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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Fletcher; James C. Administrator of the National Aeronautics and Space
Address:
N/A), N/A (La Canada, CA
No. of patents:
7
Patents:




Patent Number Title Of Patent Date Issued
4139839 Digital data reformatter/deserializer February 13, 1979
Disclosed is a method and apparatus for reformatting and de-serializing a serially-received sequence of data words, each consisting of a fixed number of binary data bits. A block of nm bits is serially fed into a shift register or serially-connected group of shift registers. In lieu of
4112497 Digital demodulator-correlator September 5, 1978
Apparatus for demodulation and correlation of a code modulated 10 MHz signal is comprised of a sample and hold analog-to-digital (A/D) converter synchronized by a frequency coherent 40 MHz pulse to obtain four evenly spaced samples A1,B1,A2 and B2 of each cycle of the signal, and means f
4091798 Non-tracking solar energy collector system May 30, 1978
A solar energy collector system characterized by an improved concentrator for directing incident rays of solar energy on parallel vacuum-jacketed receivers or absorbers including a plurality of individually mounted reflector modules of a common asymmetrical triangular cross-sectional
4053918 High voltage, high current Schottky barrier solar cell October 11, 1977
A Schottky barrier solar cell is disclosed, consisting of a layer of wide band gap semiconductor material such as AlGaAs on which a very thin film of semi-transparent metal is deposited to form a Schottky barrier. The layer of the wide band gap semiconductor material is on top of a layer
4045315 Solar photolysis of water August 30, 1977
Hydrogen is produced by the solar photolysis of water in a first photo-oxidation vessel with a transparent wall in the presence of a water soluble photo-oxidizable reagent and an insoluble hydrogen recombination catalyst. Simultaneously oxygen is produced in a second photo-reduction
4044753 Solar energy collection system August 30, 1977
A solar energy collection system including a plurality of energy receivers supported in suspension by an array of radially extending booms above a field of heliostats which serves to reflect a plurality of beams of solar energy toward said receivers. Each of said receivers is characteriz
4039489 Oil and fat absorbing polymers August 2, 1977
A polymer system and resulting method useful for absorbing fats or oils which comprises forming a solid, network polymer having a minimal amount of cross-linking. The polymer that remains solid at a swelling ratio in oil or fat of at least ten and thus provides an oil absorption greater


 
 
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