Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2005-04-12
2005-04-12
Allen, Stephone B. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S2140LS, C327S514000
Reexamination Certificate
active
06878920
ABSTRACT:
An optical receiver includes a photodiode, a variable current source, and a current mode comparator to detect a difference between current from the photodiode and current from the variable current source.
REFERENCES:
patent: 5481118 (1996-01-01), Tew
Casper Bryan K.
Jaussi James E.
Karnik Tanay
Allen Stephone B.
Lee Patrick J.
Schwegman Lundberg Woessner & Kluth P.A.
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