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  • ELECTRONIC COMPONENTS AND CIRCUITS  (1)
  • ELECTRONIC SYSTEMS  (1)
  • CHEMISTRY AND MATERIALS (GENERAL)
  • 1975-1979  (2)
Collection
Keywords
  • ELECTRONIC COMPONENTS AND CIRCUITS  (1)
  • ELECTRONIC SYSTEMS  (1)
  • CHEMISTRY AND MATERIALS (GENERAL)
  • GEOPHYSICS  (6)
  • ASTROPHYSICS  (1)
Years
Year
  • 1
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    Unknown
    Inexpensive solid-state monitoring circuit (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Circuit reduces intermittent fan-flutter openings in airflow switch. Circuit ignores brief switch openings due to contact oscillations; however, if switch is open longer than selected interval, control circuit shuts down system and sounds alarm.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: LEW-12848 , NASA Tech Briefs (ISSN 0145-319X); 2; 2; P. 3
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 2
    facet.materialart.
    Unknown
    Inexpensive low-voltage solid-state alarm (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Monitor/alarm with audio and visual warning output can be used to warn when prescribed limits of temperature, liquid level, pressure, or similar properties are exceeded. Device is more compact, lighter, and less expensive to manufacture than typical alarm circuits.
    Keywords: ELECTRONIC SYSTEMS
    Type: LEW-12544 , NASA Tech Briefs (ISSN 0145-319X); 1; 3; P. 344
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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