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  • Other Sources  (1,154)
  • GENERAL  (1,154)
  • 1970-1974  (1,154)
Collection
  • Other Sources  (1,154)
Source
Keywords
Years
Year
  • 1
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    Who owns the moon? (1974)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: It is stipulated that all of mankind owns the moon and that lunar exploration must be exclusively for peaceful purposes. In addition to the right to build stations on the moon, every country has the right to utilize the moon's natural resources. This includes: exploration, extraction, and processing of minerals and other natural resources, and their utilization and processing for local needs and possible also for export to earth.
    Keywords: GENERAL
    Type: Inhabited Space, Pt. 2 (NASA-TT-F-820); p 177-184
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    NASA TECHNICAL REPORTS
  • 2
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    Mariner Venus/Mercury '73 - A strategy of cost control (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: The Mariner Venus/Mercury '73 project kept within its originally established goals for schedule, performance, and cost. Underlying this development success was the availability of the Mariner technology. But meeting the goals demanded management determination, planning, and discipline to make optimum use of state-of-the-art technology. The present work points out management approaches and techniques that kept schedules and controlled costs, the intent being to stimulate thought about how to do the same with future spacecraft and payloads.
    Keywords: GENERAL
    Type: Astronautics and Aeronautics; 12; June 197
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  • 3
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    Specialist conference: Propellant pressing (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Keywords: GENERAL
    Type: APL Bull. of the 20th Interagency Solid Propulsion Meeting, Vol. 4; p 427-437
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  • 4
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    Multitopic load chart for the design office subdivison (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: The methods of development, designation and application of the charts under multitopic conditions are considered.
    Keywords: GENERAL
    Type: Technol. for the Production of Space Equipment (NASA-TT-F-15766); p 15-20
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  • 5
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    Organization of operations with respect to checking drawings (drawing checking procedure) (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: One of the basic conditions of high quality manufacture of instruments is the error free developed design documentation. A procedure is described for organizing the design check of the drawings.
    Keywords: GENERAL
    Type: Technol. for the Production of Space Equipment (NASA-TT-F-15766); p 21-24
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  • 6
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    PERT simulation of experimental design work (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: The basic principles of constructing the models and rules for their application in the development of PERT charts are discussed.
    Keywords: GENERAL
    Type: Technol. for the Production of Space Equipment (NASA-TT-F-15766); p 11-14
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  • 7
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    Characteristic features of determining the labor input and estimated cost of the development and manufacture of equipment (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: The difficulties in obtaining exact calculation data for the labor input and estimated cost are noted. The method of calculating the labor cost of the design work using the provisional normative indexes with respect to individual forms of operations is proposed. Values of certain coefficients recommended for use in the practical calculations of the labor input for the development of new scientific equipment for space research are presented.
    Keywords: GENERAL
    Type: Technol. for the Production of Space Equipment (NASA-TT-F-15766); p 3-10
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  • 8
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    Government-Industry Data Exchange Program (GIDEP) (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: The Government-Industry Data Exchange Program (GIDEP) was originated in 1959 by the Army, Navy, and Air Force Ballistic Missile Agencies. Known at that time as IDEP--Interservice Data Exchange Program--its intent was to eliminate duplicate testing of parts and components by disseminating pertinent test data among Department of Defense contractors and various government agencies. In 1966 both the National Aeronautics and Space Administration and the Canadian Military Electronics Standards Agency (CAMESA) recognized the value of the data provided by the program and became participants. Today, GIDEP provides the interchange of specialized technical data to all the military services, participating government contractors and numerous government agencies such as the Atomic Energy Commission, Federal Aviation Administration, Defense Supply Agency, and the Small Business Administration.
    Keywords: GENERAL
    Type: NBS The Role of Cavitation in Mech. Failures; p 166-170
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  • 9
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    Application of describing functions for evaluation of space shuttle landing aid display concepts (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Keywords: GENERAL
    Type: AF Inst. of Technol. Proc. of the 10th Ann. Conf. on Manual Control; p 677-703
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  • 10
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    Future terminal air traffic management concepts (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Keywords: GENERAL
    Type: AF Inst. of Technol. Proc. of the 10th Ann. Conf. on Manual Control; p 477-501
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  • 11
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    Simulator evaluation of three situation and guidance displays for V/STOL zero-zero landings (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Keywords: GENERAL
    Type: AF Inst. of Technol. Proc. of the 10th Ann. Conf. on Manual Control; p 439-465
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  • 12
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    Decision behavior with changing signal strength (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Keywords: GENERAL
    Type: AF Inst. of Technol. Proc. of the 10th Ann. Conf. on Manual Control; p 1-38
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  • 13
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    An evaluation of a predictor used with two different aircraft map display orientations (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Keywords: GENERAL
    Type: AF Inst. of Technol. Proc. of the 10th Ann. Conf. on Manual Control; p 397-426
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  • 14
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    Digitally controlled transient waveform testing: Alternative method to slow sine sweep (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Keywords: GENERAL
    Type: Shock and Vibration Inform. Center The Shock and Vibration Bull. No. 44, Part 3; p 1-5
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  • 15
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    Determining an optimal set of research experiments (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Description of a procedure for optimal selection of research experiments to be performed aboard the Space Shuttle. The procedure is designed to provide the study team with a credible approach to their task. The procedure is characterized as methodologically sound and based on assumptions which reasonably approximate the real conditions. The data-gathering techniques proposed are accepted by scientifically trained personnel.
    Keywords: GENERAL
    Type: IEEE Transactions on Engineering Management; EM-21; Feb. 197
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  • 16
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    Teleoperator equations of motion (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: NASA-CR-150043 , SR-S-30
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  • 17
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    Modification of one man life raft (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A one man inflatable life raft is described. The raft has an inflatable tube perimetrically bounding the occupant receiving space with a flexible floor member. A zippered opening in the floor allows entry and facilitates the use of a constant diameter tube. An airtight fabric bulkhead divides the peripheral tube longitudinally into inflatable tube sections, where if either tube section were punctured, the bulkhead would move into the punctured section to substitute for the punctured wall portion and maintain the inflatable volume of the tube. The floor member is attached to the central portion of the tube wall so that either side of the raft can be the up side.
    Keywords: GENERAL
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  • 18
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    Method of making rolling element bearings (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A method is described of making rolling elements by forming low mass cores having either hollow centers or being of a low mass material. The low mass cores are plated and heat treated to provide hard surfaces on the rolling elements. After grinding to the proper diameter the rolling elements are assembled between races to form a hearing.
    Keywords: GENERAL
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  • 19
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    Temperature compensated digital inertial sensor (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A circuit which maintains the inertial element of a gyroscope or accelerometer at a constant position by delivering pulses to a rebalancing motor is discussed. The circuit compensates for temperature changes by using a temperature sensor that varies the threshold of inertial element movement required to generate a rebalance pulse which reacts to changes in viscosity of the flotation fluid. The output of the temperature sensor also varies the output level of the current source to compensate for changes in the strength of the magnets of the rebalancing motor. The sensor also provides a small signal to the rebalance motor to provide a temperature dependent compensation for fixed drift or fixed bias.
    Keywords: GENERAL
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  • 20
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    A guide for performing system safety analysis (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A general guide is presented for performing system safety analyses of hardware, software, operations and human elements of an aerospace program. The guide describes a progression of activities that can be effectively applied to identify hazards to personnel and equipment during all periods of system development. The general process of performing safety analyses is described; setting forth in a logical order the information and data requirements, the analytical steps, and the results. These analyses are the technical basis of a system safety program. Although the guidance established by this document cannot replace human experience and judgement, it does provide a methodical approach to the identification of hazards and evaluation of risks to the system.
    Keywords: GENERAL
    Type: NASA-TM-X-64799
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  • 21
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    Adaptive voting computer system (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A computer system is reported that uses adaptive voting to tolerate failures and operates in a fail-operational, fail-safe manner. Each of four computers is individually connected to one of four external input/output (I/O) busses which interface with external subsystems. Each computer is connected to receive input data and commands from the other three computers and to furnish output data commands to the other three computers. An adaptive control apparatus including a voter-comparator-switch (VCS) is provided for each computer to receive signals from each of the computers and permits adaptive voting among the computers to permit the fail-operational, fail-safe operation.
    Keywords: GENERAL
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  • 22
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    An overview of the National Space Science data Center Standard Information Retrieval System (SIRS) (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A general overview is given of the National Space Science Data Center (NSSDC) Standard Information Retrieval System. A description, in general terms, the information system that contains the data files and the software system that processes and manipulates the files maintained at the Data Center. Emphasis is placed on providing users with an overview of the capabilities and uses of the NSSDC Standard Information Retrieval System (SIRS). Examples given are taken from the files at the Data Center. Detailed information about NSSDC data files is documented in a set of File Users Guides, with one user's guide prepared for each file processed by SIRS. Detailed information about SIRS is presented in the SIRS Users Guide.
    Keywords: GENERAL
    Type: NASA-TM-X-69903 , NSSDC-74-09
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  • 23
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    Comparative evaluation of solar, fission, fusion, and fossil energy resources, part 3 (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The role of nuclear fission reactors in becoming an important power source in the world is discussed. The supply of fissile nuclear fuel will be severely depleted by the year 2000. With breeder reactors the world supply of uranium could last thousands of years. However, breeder reactors have problems of a large radioactive inventory and an accident potential which could present an unacceptable hazard. Although breeder reactors afford a possible solution to the energy shortage, their ultimate role will depend on demonstrated safety and acceptable risks and environmental effects. Fusion power would also be a long range, essentially permanent, solution to the world's energy problem. Fusion appears to compare favorably with breeders in safety and environmental effects. Research comparing a controlled fusion reactor with the breeder reactor in solving our long range energy needs is discussed.
    Keywords: GENERAL
    Type: NASA-CR-138117
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  • 24
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    Publications of the Jet Propulsion Laboratory, January - December 1973 (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Five classes of publications are included in this bibliography: (1) Technical Reports in which the information is complete for a specific accomplishment and is intended for a wide audience. (2) Articles from the bimonthly Deep Space Network Progress Report. Each volume's collection of articles presents a periodical survey of current accomplishments by the Deep Space Network. (3) Technical Memorandums, in which the information is complete for a specific accomplishment but is intended for a limited audience to satisfy unique requirements. (4) Articles from the JPL Quarterly Technical Review. Each article summarizes a recent important development, interim or final results, or an advancement in the state of the art in a scientific or engineering endeavor, This publication has been discontinued, and the issues indexed in this bibliography are the last to be published. (5) Articles published in the open literature. The publications are indexed by: (1) author, (2) subject, and (3) publication type and number. A descriptive entry appears under the name of each author of each publication; an abstract is included with the entry for the primary (first-listed) author.
    Keywords: GENERAL
    Type: NASA-CR-138171 , JPL-BIBL-39-15
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  • 25
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    NSSDC and WDC-A-R and S document availability and distribution services (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The documents available from the National Space Science Data Center and the World Data Center A for Rockets and Satellites are described. The availability, costs, ordering procedures for documents presently available, and the procedures for obtaining future documents are given.
    Keywords: GENERAL
    Type: NASA-TM-X-69904 , NSSDC/WDC-A-R/S-74-10
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  • 26
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    Comparative evaluation of solar, fission, fusion, and fossil energy resources. Part 5: Conclusions and recomendations (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Air pollution resulting from the use of fossil fuels is discussed. Phenomena relating to the emission of CO2 such as the greenhouse effect and multiplier effect are explored. Particulate release is also discussed. The following recommendations are made for the elimination of fossil fuel combustion products in the United States: development of nuclear breeder reactors, use of solar energy systems, exploration of energy alternatives such as geothermal and fusion, and the substitution of coal for gas and oil use.
    Keywords: GENERAL
    Type: NASA-CR-138183
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  • 27
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    Comparative evaluation of solar, fission, fusion, and fossil energy resources. Part 4: Energy from fossil fuels (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The conversion of fossil-fired power plants now burning oil or gas to burn coal is discussed along with the relaxation of air quality standards and the development of coal gasification processes to insure a continued supply of gas from coal. The location of oil fields, refining areas, natural gas fields, and pipelines in the U.S. is shown. The technologies of modern fossil-fired boilers and gas turbines are defined along with the new technologies of fluid-bed boilers and MHD generators.
    Keywords: GENERAL
    Type: NASA-CR-138188
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  • 28
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    Skylab-2 handheld photography alphabetized geographical features list (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: This publication represents a relisting of the Skylab-2, PTD Handheld Photography Catalog. The purpose of this publication is to provide imagery researchers a supplement to the PTD Catalog by alphabetically sorting together all similar major and minor features. Some cross-referencing of feature names was accomplished where the authors deemed necessary; however, no attempt was made to exhaust all possible means of cross-referencing. An example of the cross-referencing which was done: Kuril Islands may be found under the major feature column and also as a minor feature of Islands.
    Keywords: GENERAL
    Type: NASA-CR-134245 , LEC-2059
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  • 29
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    Dispensing targets for ion beam particle generators (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A target for dispensing high energy protons or neutrons or ionized atoms or ionized molecules is provided which comprises a container for the target gas, which is at atmospheric or higher pressure. The container material can release the target gas in the spot where the container is heated above a predetermined temperature by the impact of an ion beam where protons or neutrons are desired, or by electrons where ionized atoms or molecules are desired. On the outside of the container, except for the region where the beam is to impact, there is deposited a layer of a metal which is imperious to gaseous diffusion. A further protective coating of a material is placed over the layer of metal, except at the region of the ion impact area in order to adsorb any unreacted gas in the vacuum in which the target is placed, to thereby prevent reduction of the high vacuum, as well as contamination of the interior of the vacuum chamber.
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  • 30
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    Method and apparatus for optically monitoring the angular position of a rotating mirror (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An optical system monitors the angular position of a rotating scanning mirror to indicate the effective start and end of each scan. At a certain angular position, a ray of energy transmitted to the mirror is reflected a plurality of times between the reflectors associated with the optical system and the line on the mirror parallel to the axis, and then to a detector to sense that angular position. A single optical system may be arranged to sense a plurality of different angular positions for each revolution of the mirror.
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  • 31
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    Trends in State and Federal land use law relating to inventories, monitoring and evaluation (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A description and analysis of selected State and Federal laws relating to land use inventories, monitoring, and evaluation is presented. Legal requirements and information systems for land use in the following states are reviewed: Colorado, Delaware, Florida, Hawaii, Indiana, Kansas, Maine, Mississippi, Missouri, Oklahoma, Pennsylvania, Tennessee, Utah, Vermont, and West Virginia.
    Keywords: GENERAL
    Type: NASA-CR-137332
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  • 32
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    Airline return-on-investment model for technology evaluation (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: This report presents the derivation, description, and operating instructions for a computer program (TEKVAL) which measures the economic value of advanced technology features applied to long range commercial passenger aircraft. The program consists of three modules; and airplane sizing routine, a direct operating cost routine, and an airline return-on-investment routine. These modules are linked such that they may be operated sequentially or individually, with one routine generating the input for the next or with the option of externally specifying the input for either of the economic routines. A very simple airplane sizing technique was previously developed, based on the Brequet range equation. For this program, that sizing technique has been greatly expanded and combined with the formerly separate DOC and ROI programs to produce TEKVAL.
    Keywords: GENERAL
    Type: NASA-CR-132382
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  • 33
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    High speed shutter (1974)
    In:  CASI
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    Publication Date: 2019-06-27
    Description: A shutter element is described which is formed by a loop of an electrically conductive ribbon disposed adjacent to the end of a passageway to be shuttered. The shuttered end of the passageway is cut at an acute angle. The two leg portions of the ribbon loop are closely spaced to each other and disposed in a plane parallel to the axis of the passageway. A pulse of high current is switched through the loop to cause the current flowing in opposite directions through adjacent leg portions of the ribbon. This produces a magnetically induced pressure on one of the legs of the ribbon forcing the leg over the end of the passageway in gas tight sealing engagement, and thereby blocking passageway.
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  • 34
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    Heat transfer device (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A heat transfer device is characterized by an hermetically sealed tubular housing including a tubular shell terminating in spaced end plates, and a tubular mesh wick concentrically arranged and operatively supported within said housing. The invention provides an improved wicking restraint formed as an elongated and radially expanded tubular helix concentrically related to the wick and adapted to be axially foreshortened and radially expanded into engagement with the wick in response to an axially applied compressive load. The wick is continuously supported in a contiguous relationship with the internal surfaces of the shell.
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  • 35
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    Reinforced polyquinoxaline gasket and method of preparing the same (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A gasket or seal resistant to ionizing radiation and liquid hydrogen temperatures is made up of a laminated polyquinoxaline resin-fiberglass cloth body portion and a molded polyquinoxaline encapsulating film. The laminated body is prepared by stacking thin sheets of the resin alternately with fiberglass cloth and heating the assembly under pressure with the temperature, pressure and resin film thickness being controlled so that only partial impregnation of the fiberglass cloth is produced. The encapsulating resin film is preheated at about 300 f and applied to the laminate body by molding at a temperature of about 625 F. The molded gasket is then deflashed and post-cured by heating at 675 to 700 F.
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  • 36
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    High field CdS detector for infrared radiation (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An infrared radiation detector including a cadmium sulfide platelet having a cathode formed on one of its ends and an anode formed on its other end is presented. The platelet is suitably doped such that stationary high-field domains are formed adjacent the cathode when based in the negative differential conductivity region. A negative potential is applied to the cathode such that a high-field domain is formed adjacent to the cathode. A potential measuring probe is located between the cathode and the anode at the edge of the high-field domain and means are provided for measuring the potential at the probe whereby this measurement is indicative of the infrared radiation striking the platelet.
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  • 37
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    Apparatus for remote handling of materials (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Apparatus for remote handling of materials are described. A closed housing is provided with first and second containers and first and second reservoirs for holding materials to be mixed. The materials are transferable from the reservoirs to the first container where they are mixed. The mixed materials are then conveyed from the first container to the second container preferably by dumping the mixed materials into a funnel positioned over the second container. The second container is then moved to a second position for analysis of the mixed materials. For example, the materials may be ignited and the flame analyzed. Access, such as a sight port, is provided in the housing at the analysis position. The device provides a simple and inexpensive apparatus for safely mixing a pyrophoric material and an oxidizer which together form a thermite type mixture that burns to produce a large quantity of heat and light.
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  • 38
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    Inverter ratio failure detector (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A failure detector which detects the failure of a dc to ac inverter is disclosed. The inverter under failureless conditions is characterized by a known linear relationship of its input and output voltages and by a known linear relationship of its input and output currents. The detector includes circuitry which is responsive to the detector's input and output voltages and which provides a failure-indicating signal only when the monitored output voltage is less by a selected factor, than the expected output voltage for the monitored input voltage, based on the known voltages' relationship. Similarly, the detector includes circuitry which is responsive to the input and output currents and provides a failure-indicating signal only when the input current exceeds by a selected factor the expected input current for the monitored output current based on the known currents' relationship.
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  • 39
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    A contemporary view of systems engineering (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The concept of a 'system' is defined, and the 'systems approach' is discussed. Four contemporary examples of the systems approach are presented: an operations research project, the planning-programming-budgeting system, an information processing system, and aerospace programs.
    Keywords: GENERAL
    Type: NASA-CR-136833 , JPL-TM-33-667
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  • 40
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    Multifunction audio digitizer (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An illustrative embodiment of the invention includes apparatus which simultaneously produces both direct delta modulation and pulse code modulation. An input signal, after amplification, is supplied to a window comparator which supplies a polarity control signal to gate the output of a clock to the appropriate input of a binary up-down counter. The control signals provide direct delta modulation while the up-down counter output provides pulse code modulation.
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  • 41
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    Diffusion welding in air (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Solid state welding a butt joint by fusion welding the peripheral surfaces to form a seal is described along with, autogenetically cleaning the faying or mating surfaces of the joint by heating the abutting surfaces to 1,200 C and heating to the diffusion welding temperature in air.
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  • 42
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    Automatic real-time pair-feeding system for animals (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A pair feeding method and apparatus are provided for experimental animals wherein the amount of food consumed is immediately delivered to a normal or control animal so that there is a qualitative, quantitative and chronological correctness in the pair feeding of the two animals. This feeding mechanism delivers precisely measured amounts of food to a feeder. Circuitry is provided between master and slave feeders so that there is virtually no chance of a malfunction of the feeding apparatus, causing erratic results. Recording equipment is also provided so that an hourly record is kept of food delivery.
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  • 43
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    Dual measurement ablation sensor (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A dual measurement ablation sensor for measuring both char-interface and surface recession at a point in an ablating material is described. The sensor permits measurement of the thickness of the char layer. Char-interface recession is indicated by a drop in the resistance to a current passed through the ablation material. Surface recession is indicated by the closing of an electrical circuit when melting causes the release of a spring switch.
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  • 44
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    Center for development technology and program in technology and human affairs (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The role of technology in nontraditional higher education with particular emphasis on technology-based networks is analyzed nontraditional programs, institutions, and consortia are briefly reviewed. Nontraditional programs which utilize technology are studied. Technology-based networks are surveyed and analyzed with regard to kinds of students, learning locations, technology utilization, interinstitutional relationships, cost aspects, problems, and future outlook.
    Keywords: GENERAL
    Type: NASA-CR-140016 , R(T)-74/3 , THA-74/5
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  • 45
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    Operations planning simulation: Model study (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The use of simulation modeling for the identification of system sensitivities to internal and external forces and variables is discussed. The technique provides a means of exploring alternate system procedures and processes, so that these alternatives may be considered on a mutually comparative basis permitting the selection of a mode or modes of operation which have potential advantages to the system user and the operator. These advantages are measurements is system efficiency are: (1) the ability to meet specific schedules for operations, mission or mission readiness requirements or performance standards and (2) to accomplish the objectives within cost effective limits.
    Keywords: GENERAL
    Type: NASA-CR-120429 , SU-OPS-RP-74-0001
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  • 46
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    Nonlinear models for estimating GSFC travel requirements (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A methodology is presented for estimating travel requirements for a particular period of time. Travel models were generated using nonlinear regression analysis techniques on a data base of FY-72 and FY-73 information from 79 GSFC projects. Although the subject matter relates to GSFX activities, the type of analysis used and the manner of selecting the relevant variables would be of interest to other NASA centers, government agencies, private corporations and, in general, any organization with a significant travel budget. Models were developed for each of six types of activity: flight projects (in-house and out-of-house), experiments on non-GSFC projects, international projects, ART/SRT, data analysis, advanced studies, tracking and data, and indirects.
    Keywords: GENERAL
    Type: NASA-TN-D-7642 , G-7415 , D-7642
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  • 47
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    Technology utilization in a non-urban region: Further impact and technique of the Technology Use Studies Center (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Updated information pertaining to clients who receive and use information disseminated by the Technology Use Studies Center (TUSC) is reported. Charts are provided which indicate TUSC's performance in information dissemination and technical assistance in terms of quantities of searches accomplished during several contract years. The faculty information service is described, along with details of cooperation with other agencies. Specific searches are listed according to subject, client, and client location, and a measure of client response to services provided is indicated by the included selection of transfer and impact reports. The impetus behind the formation of the general aviation news letter is also described.
    Keywords: GENERAL
    Type: NASA-CR-139565
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  • 48
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    Digital servo control of random sound test excitation (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A digital servocontrol system for random noise excitation of a test object in a reverberant acoustic chamber employs a plurality of sensors spaced in the sound field to produce signals in separate channels which are decorrelated and averaged. The average signal is divided into a plurality of adjacent frequency bands cyclically sampled by a time division multiplex system, converted into digital form, and compared to a predetermined spectrum value stored in digital form. The results of the comparisons are used to control a time-shared up-down counter to develop gain control signals for the respective frequency bands in the spectrum of random sound energy picked up by the microphones.
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  • 49
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    Star scanner (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A star scanner on a spin stabilized spacecraft is described which includes a reticle with a pair of slits having different separations as a function of the spacecraft vertical plane, to form a V slit. The time between a star image crossing one of the slits relative to a reference telemetry time provides an indication of azimuth angle. The time between the image crossing the two slits provides an indication of elevation angle of the star. If a star cluster is detected such that two stars pass the slits in less time than normally required for a single star to cross the two slits, an indication of the cluster occurrence is derived. Means are provided to prevent effective detection of large celestial bodies, such as the sun or moon.
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  • 50
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    Centrifugal lyophobic separator (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A centrifugal separator is described using a lyophobic filter for removing liquid particles from a mixed stream of gas and liquid under various negative or positive external acceleration conditions as well as zero g or weightless conditions. Rotating the lyophobic filter and inclining the filter to the entering flow improves the lyophobic properties of the filter, provides gross separation of larger liquid particles, and prevents prolonged contact of liquid droplets with the spinning filter which might change the filter properties or block the filter.
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  • 51
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    Determinants of project success (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The interactions of numerous project characteristics, with particular reference to project performance, were studied. Determinants of success are identified along with the accompanying implications for client organization, parent organization, project organization, and future research. Variables are selected which are found to have the greatest impact on project outcome, and the methodology and analytic techniques to be employed in identification of those variables are discussed.
    Keywords: GENERAL
    Type: NASA-CR-139407
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  • 52
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    Automated Firearms Identification System (AFIDS), phase 1 (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Items critical to the future development of an automated firearms identification system (AFIDS) have been examined, with the following specific results: (1) Types of objective data, that can be utilized to help establish a more factual basis for determining identity and nonidentity between pairs of fired bullets, have been identified. (2) A simulation study has indicated that randomly produced lines, similar in nature to the individual striations on a fired bullet, can be modeled and that random sequences, when compared to each other, have predictable relationships. (3) A schematic diagram of the general concept for AFIDS has been developed and individual elements of this system have been briefly tested for feasibility. Future implementation of such a proposed system will depend on such factors as speed, utility, projected total cost and user requirements for growth. The success of the proposed system, when operational, would depend heavily on existing firearms examiners.
    Keywords: GENERAL
    Type: NASA-CR-139371 , JPL-SP-43-8
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  • 53
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    Measurement of plasma temperature and density using radiation absorption (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: A procedure, using a light beam of predetermined wavelength, preferably monochromatic, for measuring plasma characteristics is presented. Light absorbed by the plasma is used to obtain an absorption coefficient for the plasma. From this known coefficient and independent measurement of either the electron density or temperature of the plasma, an equation may be solved to obtain other unknown quantities. In this procedure, the absorption coefficient of the plasma is derived simultaneously for two probing light beams of substantially different predetermined wavelengths. These two coefficients are used to solve the two equations, which are in turn used to determine plasma electron density and temperature.
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  • 54
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    A Markovian model for assessment of personnel hiring plans (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: As a result of the current economic environment, many organizations are having to operate with fewer resources. In the manpower area, these constraints have forced organizations to operate within well-defined hiring plans. Exceeding personnel ceilings is in most cases an intolerable situation. A mathematical model, based on the theory of Markov processes, is presented which can be used to assess the chances of success of personnel hiring plans. The model considers a plan to be successful if the final population size, at the end of the planning period, lies within a range specified by management. Although this model was developed to assess personnel hiring plans at the Goddard Space Flight Center, it is directly applicable wherever personnel hiring plans are used.
    Keywords: GENERAL
    Type: NASA-TN-D-7640 , G-7410
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  • 55
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    Recording and cataloging hazards information, revision A (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A data collection process is described for the purpose of discerning causation factors of accidents, and the establishment of boundaries or controls aimed at mitigating and eliminating accidents. A procedure is proposed that suggests a discipline approach to hazard identification based on energy interrelationships together with an integrated control technique which takes the form of checklists.
    Keywords: GENERAL
    Type: NASA-TM-X-64782
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  • 56
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    California four cities program, 1971 - 1973 (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A pilot project in aerospace-to-urban technology application is reported. Companies assigned senior engineering professionals to serve as Science and Technology Advisors to participating city governments. Technical support was provided by the companies and JPL. The cities, Anaheim, Fresno, Pasadena, and San Hose, California, provided the working environment and general service support. Each city/company team developed and carried out one or more technical or management pilot projects together with a number of less formalized technology efforts and studies. An account and evaluation is provided of the initial two-year phase of the program.
    Keywords: GENERAL
    Type: NASA-CR-138768 , JPL-SP-43-4
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  • 57
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    Specific wavelength colorimeter (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A self contained, specific wavelength, single beam colorimeter is described for direct spectrophotometric measurement of the concentration of a given solute in a test sample. An electrical circuit employing a photoconductive cell converts the optical output into a linear, directly readable meter output. The colorimeter is simple to operate and is adapted for use in zero gravity conditions. In a specific application, the colorimeter is designed to analyze the concentration of iodine in potable water carried aboard a space vehicle such as the 4B stage of Skylab.
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  • 58
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    Magnetocaloric pump (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A vessel having inlet and outlet valves is disposed in a container with a fluid to be pumped which may be evolved from a liquid in the container below the vessel. A magnetocaloric substance is disposed in the vessel and causes fluid vapor in the vessel to expand and be expelled through the outlet valve. Vapor is drawn in through the inlet valve as the substance cools. The inlet valves may be one-way check valves or may be solenoid valves energized at appropriate times by timing circutis. A timer controlled heating element may also be disposed in the vessel to operate in conjunction with the magnetic field.
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  • 59
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    Apparatus for conducting flow electrophoresis in the substantial absence of gravity (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A zero-g, constant flow electrophoretic separating apparatus is presented. The apparatus is composed a deflecting member to spread carrier fluid across a conduit, and an end wall with a valve located in the conduit past the separation electrodes from which layers of carrier and sample may be extracted. Electrode electrolyte is separated from the carrier and continually circulated and cleaned.
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  • 60
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    Three mirror glancing incidence system for X-ray telescope (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A telescope suitable for soft X-ray astronomical observations consists of a paraboloid section for receiving rays at a grazing angle and a hyperboloid section which receives reflections from the paraboloid at a grazing angle and directs them to a predetermined point of focus. A second hyperboloid section is centrally located from the other two surfaces and positioned to reflect from its outer surface radiation which was not first reflected by the paraboloid. A shutter is included to assist in calibration.
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  • 61
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    Apparatus for establishing flow of a fluid mass having a known velocity (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An apparatus for establishing a flow of fluid mass, such as gas, having a known velocity is introduced. The apparatus is characterized by an hermetically sealed chamber conforming to a closed-loop configuration and including a throat and a plurality of axially displaceable pistons for sweeping through the throat a stream of gas including a core and an unsheared boundary layer. Within the throat there is a cylindrical coring body concentrically related to the throat for receiving the core, and a chamber surrounding the cylindrical body for drawing off the boundary layer, whereby the velocity of the core is liberated from the effects of the velocity of the boundary layer.
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  • 62
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    Concentric differential gearing arrangement (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Two input members and two concentric rotatable output members are interconnected by a planetary gear arrangement. The first input drives directly the first output. The second input engages a carrier having the planetary gears affixed thereto. Rotation of the carriage causes rotation of the central sun gear of the planetary gear system. The sun gear is journaled to the carriage and is drivingly connected to the second output through a direction reversing set of bevel gears. The first input drive member includes a ring gear drivingly connected to the planetary gears for driving the second output member in the same direction and by the same amount as the first output member. Motion of the first input results in equal motion of the two outputs while input motion of the second input results in movement of the second output relative to the first output. This device is useful where non-interacting two-axis control of remote gimbaled systems is required.
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  • 63
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    Grinding arrangement for ball nose milling cutters (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A grinding arrangement for spiral fluted ball nose end mills and like tools includes a tool holder for positioning the tool relative to a grinding wheel. The tool is mounted in a spindle within the tool holder for rotation about its centerline and the tool holder is pivotably mounted for angular movement about an axis which intersects that centerline. A follower arm of a cam follower secured to the spindle cooperates with a specially shaped cam to provide rotation of the tool during the angular movement of the tool holder during the grinding cycle, by an amount determined by the cam profile. In this way the surface of the cutting edge in contact with the grinding wheel is maintained at the same height on the grinding wheel throughout the angular movement of the tool holder during the grinding cycle.
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  • 64
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    Conductive elastomeric extensometer (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An extensometer was used for measuring surface area changes of the human body caused by expansion and contraction of the body. A relatively thin and wide strain responsive conductive elastomeric band was adapted for application to a part of the body, such as around a limb or the trunk of the body. The elastomeric band is incorporated as a resistor in a balanced bridge circuit. Expansion or contraction of the portion of the body on which the elastomeric band is applied causes a change in the resistance of the band and a resultant imbalance of the bridge circuit. The output of the amplifier in volts is suitable for proving the desired reading through a recorder, oscilloscope or voltmeter.
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  • 65
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    Steady state thermal radiometers (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A radiometer is described operating in a vacuum under steady state conditions. The front element is an aluminum sheet painted on the outer side with black or other absorptive material of selected characteristics. A thermocouple is bonded to the inner side of the aluminum sheet. That is backed by highly insulative layers of glass fiber and crinkled, aluminized Mylar polyester. Those layers are backed with a sturdy, polyester sheet, and the entire lamination is laced together by nylon cords. The device is highly reliable in that it does not drift out of calibration, and is significantly inexpensive.
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  • 66
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    Battery testing device (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A battery testing device is described for testing the cells of a multiple-cell battery, the battery having a cover plate with access holes to provide access to the connecting straps between cells. A panel of probe assembly receiving holes is located to correspond to the location of the access holes when the panel is positioned on top of the battery. A probe assembly is positioned within each probe assembly receiving hole, with a spring biased electrically conductive plunger to make electrical contact with the connecting strap through the corresponding access hole when the panel is pushed towards the top of the battery.
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  • 67
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    Human perceptual-motor performance (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: NASA-CR-145554 , AFOSR-75-0907TR , AD-A012097 , UMICH-010588-20-B
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  • 68
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    Semi-annual progress report, 1 July - 31 December 1974 (1974)
    In:  Other Sources
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    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: NASA-CR-141989
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  • 69
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    Three axis strapdown ring laser gyro inertial measurement unit model 8300 (1974)
    In:  Other Sources
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    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: NASA-CR-150048 , SGD-4284-0742
    Format: text
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  • 70
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    The 2nd Interagency Symposium on University Research in Transportation Noise. Book of proceedings, volume 1 (1974)
    In:  Other Sources
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    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: NASA-CR-149179 , AD-A023923 , DOT-TST-74-29-VOL-1
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  • 71
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    Libraries, data bases, computers and LRC'S: Are they converging? (1974)
    In:  Other Sources
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    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: NASA-CR-140664
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  • 72
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    On the phenomenology of rubberlike behavior (1974)
    In:  Other Sources
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    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: NASA-CR-142994
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  • 73
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    A full-scale fire program to evaluate new furnishings and textile materials developed by the National Aeronautics and Space Administration (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A program of experimental fires was carried out to establish the advantages offered by new materials for improved fire safety. Four full-scale bedrooms, differing only in the materials used to furnish them, were built and burned to provide comparative data on the fire hazards produced. Cost and availability differences were not considered. The visual evidence provided by TV and photographic coverage of the four experimental room fires showed clearly that the rooms responded very differently to a common ignition condition. Resistance to the ignition and spread of fire was substantially improved in the rooms furnished completely or partially with the new materials.
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    Type: NASA-CR-2468
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  • 74
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    Urban transportation: Perspectives on mobility and choice (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A study of urban transportation systems are presented characterized by intensive scrutiny of many ideas, philosophies, and academic perspectives. This report is intended to communicate some dimensions of the urban transportation problem to the general public.
    Keywords: GENERAL
    Type: NASA-CR-140584
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  • 75
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    Significant NASA inventions: Available for licensing in foreign countries (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Abstracts of NASA-owned inventions, which have been made available for patent licensing in foreign countries are presented.
    Keywords: GENERAL
    Type: NASA-SP-7038(02)
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  • 76
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    Fast scan control for deflection type mass spectrometers (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A high speed scan device is reported that allows most any scanning sector mass spectrometer to measure preselected gases at a very high sampling rate. The device generates a rapidly changing staircase output which is applied to the accelerator of the spectrometer and it also generates defocusing pulses that are applied to one of the deflecting plates of the spectrometer which when shorted to ground deflects the ion beam away from the collector. A defocusing pulse occurs each time there is a change in the staircase output.
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  • 77
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    Open tube guideway for high speed air cushioned vehicles (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: This invention is a tubular shaped guideway for high-speed air-cushioned supported vehicles. The tubular guideway is split and separated such that the sides of the guideway are open. The upper portion of the tubular guideway is supported above the lower portion by truss-like structural members. The lower portion of the tubular guideway may be supported by the terrain over which the vehicle travels, on pedestals or some similar structure.
    Keywords: GENERAL
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  • 78
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    An approach to developing the market for space shuttle payloads: Business/public policy issues and international marketing considerations (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The business and public policies were assessed that were determined to be important for NASA to consider in the design of a program for stimulating use of the space transportation system (STS) among potential users in the U.S. private sector and in foreign countries, in preparation for operations of the space shuttle in the early 1980's. Salient factors related to international cooperation in space are identified for special consideration in the development of user potential of the STS.
    Keywords: GENERAL
    Type: NASA-CR-120420
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  • 79
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    Research on radiation detectors, boiling transients, and organic lubricants (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The accomplishments of a space projects research facility are presented. The subjects discussed are: (1) a study of radiation resistant semiconductor devices, (2) synthesis of high temperature organic lubricants, (3) departure from phase equilibrium during boiling transients, (4) effects of neutron irradiation on defect state in tungsten, and (5) determination of photon response function of NE-213 liquid scintillation detectors.
    Keywords: GENERAL
    Type: NASA-CR-138882
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  • 80
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    Journal Bearings (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A plurality of bearing sectors are mounted in a housing. Each sector functions as a lobed area in the bearing to obtain the required lubricant film geometry.
    Keywords: GENERAL
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  • 81
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    Tool for use in lifting pin supported objects (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A tool for use in lifting a pin-supported, electronic package mounted in juxtaposition with the surface of an electronic circuit board is described. The tool is configured to be received beneath a pin-supported package and is characterized by a manually operable linkage, including an elongated, rigid link is supported for axial reciprocation and a pivotal link pinned to the body and supported for oscillation induced in response to axial motion imparted to the rigid link. A lifting plate is pivotally coupled to the distal end of the pivotal link so that oscillatory motion imparted to the pivotal link serves to move the plate vertically for elevating the plate into lifting engagement with the electronic package positioned thereabove.
    Keywords: GENERAL
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  • 82
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    Measuring probe position recorder (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A device which enables a person to record the location of measurements made by a hand held nonconducting probe is described. The hand probe is coupled to a linear potentiometer and a sine-cosine potentiometer by means that varies the output of the linear potentiometer proportional to the distance between the hand probe and the linear potentiometer and that varies the output of the sine-cosine potentiometer proportional to the angular movement of the hand probe relative to the sine-cosine potentiometer. The output of the linear potentiometer is applied directly to one input of the sine-cosine potentiometer and is applied through an inverter to the other input or the sine-cosine potentiometer. The cosine and sine outputs of the sine-cosine potentiometer are applied to the X and Y outputs, respectively, of an X-Y recorder.
    Keywords: GENERAL
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  • 83
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    Space shuttle program: Shuttle Avionics Integration Laboratory. Volume 7: Logistics management plan (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The logistics management plan for the shuttle avionics integration laboratory defines the organization, disciplines, and methodology for managing and controlling logistics support. Those elements requiring management include maintainability and reliability, maintenance planning, support and test equipment, supply support, transportation and handling, technical data, facilities, personnel and training, funding, and management data.
    Keywords: GENERAL
    Type: NASA-CR-134363 , JSC-08663-VOL-7
    Format: application/pdf
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  • 84
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    Unknown
    Passive dual spin misalignment compensators (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A combination dual-spin gyroscopically stabilized device is described having a spinning rotor and a non-spinning platform. Two substantially lossless mechanical resonators, resonant at the spin frequency, are orthogonally positioned on the platform for compensation for the disturbing torque acting on the platform due to rotor misalignment.
    Keywords: GENERAL
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  • 85
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    Device for measuring tensile forces (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: This device is characterized by an elongated body having predetermined elastic properties. An applied tensile force of any magnitude, within a given range, imparts to the body an elongation of a predetermined length. The magnitude of applied tensile force is indicated as a function of the angular motion afforded the threaded sleeve mounted on the body.
    Keywords: GENERAL
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  • 86
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    Heat flow calorimeter (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Heat flow calorimeter devices are used to measure heat liberated from or absorbed by an object. This device is capable of measuring the thermal output of sealed nickel-cadmium batteries or cells during charge-discharge cycles. An elongated metal heat conducting rod is coupled between the calorimeter vessel and a heat sink, thus providing the only heat exchange path from the calorimeter vessel itself.
    Keywords: GENERAL
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  • 87
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    Applications of remote sensing in archaeological site identification (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: NASA-CR-149993
    Format: application/pdf
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  • 88
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    Unknown
    Design of a manual control system for a STOL aircraft on microwave landing system curved approaches (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: AF Inst. of Technol. Proc. of the 10th Ann. Conf. on Manual Control; p 641-666
    Format: text
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  • 89
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    The application of remote sensing to the identification of potential recreational sites along the Tennessee-Tombigbee waterway route, Aberdeen, Mississippi-Gainesville, Alabama (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: NASA-CR-149994
    Format: text
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  • 90
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    Unknown
    Pyrotechnic shock reduction (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Keywords: GENERAL
    Type: Shock and Vibration Infrom. Center The Shock and Vibration Bull. No. 44, Part 3; p 111-124
    Format: text
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  • 91
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    Development of methodologies and procedures for identifying STS users and uses (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A study was conducted to identify new uses and users of the new Space Transporation System (STS) within the domestic government sector. The study develops a series of analytical techniques and well-defined functions structured as an integrated planning process to assure efficient and meaningful use of the STS. The purpose of the study is to provide NASA with the following functions: (1) to realize efficient and economic use of the STS and other NASA capabilities, (2) to identify new users and uses of the STS, (3) to contribute to organized planning activities for both current and future programs, and (4) to air in analyzing uses of NASA's overall capabilities.
    Keywords: GENERAL
    Type: NASA-CR-120258 , SRI-H-4-165
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  • 92
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    An evaluation of contractor projected and actual costs (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: GSFC contractors with cost-plus contracts provide cost estimates for each of the next four quarters on a quarterly basis. Actual expenditures over a two-year period were compared to the estimates, and the data were sorted in different ways to answer several questions and give quantification to observations, such as how much does the accuracy of estimates degrade as they are made further into the future? Are estimates made for small dollar amounts more accurate than for large dollar estimates? Other government agencies and private companies with cost-plus contracts may be interested in this analysis as potential methods of contract management for their organizations. It provides them with the different methods one organization is beginning to use to control costs.
    Keywords: GENERAL
    Type: NASA-TN-D-7644 , D-7644 , G-7407
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  • 93
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    Unknown
    Holography utilizing surface plasmon resonances (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A holographic recording medium with a substrate which has a diffraction grating composed of a number of spaced line ridges on the surface is discussed. The first layer consists of a metal with a plasma wavelength shorter than that of the selected light source. A second layer, or coating, on top of the first layer consists of a thin film of photosensitive emulsion. A diagram of the device is provided. The principles of operation are explained.
    Keywords: GENERAL
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  • 94
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    Device for monitoring a change in mass in varying gravimetric environments (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A remotely operable device for detecting changes as they occur in the mass of a selected specimen is described. The device is characterized by a balance beam including at one end a support for receiving a specimen having a changing mass and suspension means, including a flexure, supporting the beam near its center of gravity for pivotal movement proportional to changes occurring in the mass of the specimen. Strain gages coupled with the flexure provide a read-out indicative of the pivotal movement imparted to the beam.
    Keywords: GENERAL
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  • 95
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    Apparatus and method for processing Korotkov sounds (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A Korotkov sound processor, used in a noninvasive automatic blood measuring system where the brachial artery is occluded by an inflatable cuff, is disclosed. The Korotkoff sound associated with the systolic event is determined when the ratio of the absolute value of a voltage signal, representing Korotkov sounds in the range of 18 to 26 Hz to a maximum absolute peak value of the unfiltered signals, first equals or exceeds a value of 0.45. Korotkov sound associated with the diastolic event is determined when a ratio of the voltage signal of the Korotkov sounds in the range of 40 to 60 Hz to the absolute peak value of such signals within a single measurement cycle first falls below a value of 0.17. The processor signals the occurrence of the systolic and diastolic events and these signals can be used to control a recorder to record pressure values for these events.
    Keywords: GENERAL
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  • 96
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    Miniature multichannel biotelemeter system (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A miniature multichannel biotelemeter system is described. The system includes a transmitter where signals from different sources are sampled to produce a wavetrain of pulses. The transmitter also separates signals by sync pulses. The pulses amplitude modulate a radio frequency carrier which is received at a receiver unit. There the sync pulses are detected by a demultiplexer which routes the pulses from each different source to a separate output channel where the pulses are used to reconstruct the signals from the particular source.
    Keywords: GENERAL
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  • 97
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    Insert facing tool (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A manually actuated tool for facing the exposed end of an insert installed in a honeycomb panel is described. Several cutting bits are held in a round body portion that is rotated around the end of a stud to provide the cutting action. Pressure is adjusted through a spring against the body portion and the surface of the stud by a pressure nut threaded on the stud. A diagram of the components of the device is provided.
    Keywords: GENERAL
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  • 98
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    Unknown
    Air service to small communities, directions for the future (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The seminar on the problems of providing air service to low and medium density points is reported. National transport policies and programs are discussed along with the technology aspects. Recommendations for ATC, CAB, and FAA are included.
    Keywords: GENERAL
    Type: NASA-CR-137798 , FTL-R73-5 , NASA-CR-138377
    Format: application/pdf
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  • 99
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    The name-locator guide: A new resource for technology transfer (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A new transfer mechanism to facilitate technology transfer between aerospace technology and nonaerospace industries, was proposed with the following sequence of steps. First, the key technical problems in a given industry would be analyzed. The analysis will define the characteristics which relevant technology will have. Second, a limited list of subject terms will be developed using words familiar to those working in the industry. It is these which will be applied in subsequent steps to the NASA technology and used to locate technology relevant to a specific problem in the industry. Third, for each Required Technology Program, terms applicable to that program would be chosen from this list. Fourth, a name-locator guide would be provided to the Regional Dissemination Centers. This guide would be analogous to an index. The key words would be chosen from the special subject term list for the given industry.
    Keywords: GENERAL
    Type: NASA-CR-138382
    Format: application/pdf
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  • 100
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    Unknown
    Long range laser traversing system (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The relative azimuth bearing between first and second spaced terrestrial points which may be obscured from each other by intervening terrain is measured by placing at one of the points a laser source for projecting a collimated beam upwardly in the vertical plane. The collimated laser beam is detected at the second point by positioning the optical axis of a receiving instrument for the laser beam in such a manner that the beam intercepts the optical axis. In response to the optical axis intercepting the beam, the beam is deflected into two different ray paths by a beam splitter having an apex located on the optical axis. The energy in the ray paths is detected by separate photoresponsive elements that drive logic networks for proving indications of: (1) the optical axis intercepting the beam; (2) the beam being on the left of the optical axis and (3) the beam being on the right side of the optical axis.
    Keywords: GENERAL
    Format: application/pdf
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