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There are a total of 3205 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Simple JFET oscillator
Author(s): Kleinberg, L. L.
Abstract: Device used in mixers, modulators, and function generators provides stable sine-wave signal compatible with both integrated circuits and discrete-component assemblies. Oscillator's frequency is tunable over narrow band about ...
NASA Center: Goddard Space Flight Center Publication Year: 1981
Added to NTRS: 2005-09-30
Accession Number: 80B10443; Document ID: 19800000443; Report Number: GSC-12555
Improved Optical Keyboard
Author(s): Jamieson, R. S.
Abstract: Optical keyboard surfaces used in typewriters, computer terminals, and telephone inexpensively fabricated using stack of printed-circuit cards set in laminate. Internal laminations carry all illuminating and sensing light ...
NASA Center: Jet Propulsion Laboratory Publication Year: 1985
Added to NTRS: 2005-09-30
Accession Number: 84B10254; Document ID: 19840000254; Report Number: NPO-15132
An electrical connector pin protector
Author(s): Mc Quillen, R. B.; Mitchell, G. R.
Abstract: Spring loaded insert protects electrical connector pins from being bent due to improper mating, or probing the pins with a screwdriver. This device modifies existing electrical connectors using only springs and retaining ...
NASA Center: NASA (non Center Specific) Publication Year: 1969
Added to NTRS: 2005-09-30
Accession Number: 69B10742; Document ID: 19690000643; Report Number: MSC-15660
Vibrating-membrane electrometer has high conversion gain
Author(s): Coon, G. W.; Dimeff, J.
Abstract: Vibrating-membrane transducer in a circuit can measure current below 10 to-the-minus 17 ampere. This electrometer has a high conversion gain and a minimum internal power consumption.
NASA Center: NASA (non Center Specific) Publication Year: 1965
Added to NTRS: 2005-09-30
Accession Number: 65B10056; Document ID: 19650000056; Report Number: ARC-38
FM oscillator has improved deviation linearity
Author(s): Honnell, M. A.
Abstract: Device can be obtained by driving basic circuit through nonlinear FET input stage. Frequency of VCO is linearized with FET and total variance is varactor controlled. Experimental device exhibited linearity of better than ...
NASA Center: Marshall Space Flight Center Publication Year: 1977
Added to NTRS: 2005-09-30
Accession Number: 77B10011; Document ID: 19770000011; Report Number: MFS-23562
Strain gage load measuring device - A concept
Author(s): Mickey, F. E.
Abstract: Instrumenting tape members of textile parachutes to determine load capability is accomplished by mounting strain-gage instrumented metal plates to the tape by stiff rubber pads. The pads permit gradual transfer of the load ...
NASA Center: NASA (non Center Specific) Publication Year: 1970
Added to NTRS: 2005-09-30
Accession Number: 70B10326; Document ID: 19700000314; Report Number: MSC-13385
Air sampler collects and protects minute particles
Author(s): Wood, R. C.
Abstract: Air ejector impactor sampler collects and protects samples of particles greater than 0.1 micron in diameter. In operation, it causes impaction of particle-laden air onto several collection surfaces within a collection ...
NASA Center: NASA (non Center Specific) Publication Year: 1967
Added to NTRS: 2005-09-30
Accession Number: 67B10661; Document ID: 19670000660; Report Number: HQN-10037
Electrically conductive fibers thermally isolate temperature sensor
Author(s): De Waard, R.; Norton, B.
Abstract: Mounting assembly provides thermal isolation and an electrical path for an unbacked thermal sensor. The sensor is suspended in the center of a plastic mounting ring from four plastic fibers, two of which are coated with an ...
NASA Center: NASA (non Center Specific) Publication Year: 1966
Added to NTRS: 2005-09-30
Accession Number: 66B10349; Document ID: 19660000348; Report Number: GSC-456
Eutectic fuse provides current and thermal protection under high vibration
Author(s): Ierokomos, N.
Abstract: Eutectic fuses provide current and thermal protection to an electronic system and maintain this protection under high vibration environments. The fuses are embedded within heat shrinkable sleeving which provides positive ...
NASA Center: NASA (non Center Specific) Publication Year: 1967
Added to NTRS: 2005-09-30
Accession Number: 67B10535; Document ID: 19670000534; Report Number: MFS-13664
CCD Memory
Author(s): Janesick, James R.; Elliot, Tom; Norris, Dave; Vescelus, Fred
Abstract: CCD memory device yields over 6.4 x 10 to the eighth power levels of information on single chip. Charge-coupled device (CCD) demonstrated to operate as either read-only-memory (ROM) or photon-programmable memory with ...
NASA Center: Jet Propulsion Laboratory Publication Year: 1987
Added to NTRS: 2005-09-30
Accession Number: 87B10262; Document ID: 19870000262; Report Number: NPO-16150
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