Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1989-12-26
1991-09-10
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
250226, H01J 4014
Patent
active
050476203
ABSTRACT:
A radiation detection system for use in the visible and near infrared reg which is capable of detecting and recording extremely weak laser pulses in the few nanoseconds range. The system receiver can be directed towards strong radiation sources, such as the sun, without changing the receiver or recording unwanted information. The detection system discriminates between various selected laser sources wavelengths and is comprised of optics, detector, electronic hardware, microcomputer, and signature analysis algorithm.
REFERENCES:
patent: 4334782 (1982-06-01), Thornton, Jr. et al.
patent: 4653925 (1987-03-01), Thornton, Jr.
patent: 4677289 (1987-06-01), Nozaki et al.
patent: 4834541 (1989-05-01), Yamaba
Durvasula L. N.
Krug William K.
Stevenson Gary P.
Lane Anthony T.
Lee Milton W.
Nelms David C.
The United States of America as represented by the Secretary of
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