Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1995-09-21
1997-01-21
Chin, Wellington
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359111, 359145, 359180, 359189, 375200, H04B 1000, H04B 1500, H04K 100
Patent
active
055964389
ABSTRACT:
A photoconductive spread-spectrum communications system that includes a tsmitter and a receiver. The transmitter includes an oscillating laser, a Pockels' cell, a delay cell, a photoconductive switch, and an antenna for transmitting an electromagnetic spread-spectrum signal. The receiver includes an oscillating laser, a Pockels' cell, an antenna for receiving a spread-spectrum signal, a photoconductive switch, a filter, and a threshold detector for regenerating the signal contained within the spread-spectrum transmission.
REFERENCES:
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patent: 4441186 (1984-04-01), Erickson
patent: 5157542 (1992-10-01), Fitzmartin et al.
patent: 5264960 (1993-11-01), Glance
patent: 5301206 (1994-04-01), Ishigaki et al.
patent: 5499265 (1996-03-01), Dixon et al.
patent: 5499267 (1996-03-01), Ohe et al.
Withington et al., "An Impulse Radio Communications System", pp. 13-120.
Funk Eric
Jasper Louis J.
Lee Chi H.
Saddow Stephen E.
Chin Wellington
Dynda Frank J.
Krosnick Freda L.
Negash Kinfe-Michael
The United States of America as represented by the Secretary of
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