Wavelength discriminable optical signal detector insensitive to

Details Wavelength discriminable optical signal detector insensitive to Wavelength discriminable optical signal detector insensitive to

1993-01-22

1994-06-07

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250226, G01J 314, G01J 516

Patent

active

053191927

ABSTRACT:
An optical signal detector insensitive to variations in optical signal intensity and operably discriminable with respect to signal wavelength is provided. An incident optical signal comprised of wavelength dependent information is detected to provide electronic current information substantially insensitive to variations in incoming optical signal intensity.

REFERENCES:
patent: 1822061 (1931-09-01), Roberts
patent: 1963185 (1934-06-01), Wilson
patent: 1996233 (1935-04-01), Darrah
patent: 2177259 (1939-10-01), Keck
patent: 2742550 (1956-04-01), Jenness, Jr.
patent: 2764692 (1956-09-01), Miller
patent: 2936373 (1960-10-01), Welker et al.
patent: 2965867 (1960-12-01), Greig

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