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  • 1
    facet.materialart.
    Unknown
    Aircraft-mounted crash-activated transmitter device (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An aircraft crash location transmitter tuned to transmit on standard emergency frequencies is reported that is shock mounted in a sealed circular case atop the tail of an aircraft by means of a shear pin designed to fail under a G loading associated with a crash situation. The antenna for the transmitter is a metallic spring blade coiled like a spiral spring around the outside of the circular case. A battery within the case for powering the transmitter is kept trickle charged from the electrical system of the aircraft through a break away connector on the case. When a crash occurs, the resultant ejection of the case from the tail due to a failure of the shear pin releases the free end of the antenna which automatically uncoils. The accompanying separation of the connector effects closing of the transmitter key and results in commencement of transmission.
    Keywords: AIR TRANSPORTATION AND SAFETY
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Single-fill-point battery reservoir (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Device is clear plastic manifold, which is filled with one pint of distilled water from single point and then is sealed with plastic cap. When snapped onto an existing storage battery, device provides steady source of water for uniform distribution to all cells.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: MFS-16801 , NASA Tech Briefs (ISSN 0145-319X); 2; 1; P. 3
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 3
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    Unknown
    Small size transformer provides high power regulation with low ripple and maximum control (1971)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Single, variable, transformer/choke device does work of several. Technique reduces drawer assembly physical size and design and manufacturing cost. Device provides power, voltage current and impedance regulation while maintaining maximum control of linearity and ensuring extremely low ripple. Nulling is controlled to very fine degree.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: MFS-16709
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 4
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    Unknown
    Aircraft-crash-locating transmitter features design improvements (1971)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Crash locater is automatically ejected from aircraft at time of crash and begins transmitting at emergency radio frequencies monitored by all airports and airport control towers. Advantages are smaller size, simpler design and installation, extended transmitting range and life, greater deployment reliability and increased crash resistance.
    Keywords: ELECTRONIC SYSTEMS
    Type: MFS-16609
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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