Temperature stabilization circuit for charge coupled photodiode

Details Temperature stabilization circuit for charge coupled photodiode Temperature stabilization circuit for charge coupled photodiode

1980-04-17

1981-12-22

Murray, Richard

Facsimile and static presentation processing

Facsimile

Recording apparatus

358163, 358167, H04N 314

Patent

active

043074235

ABSTRACT:
A temperature compensating circuit for a Charge Coupled Photodiode array ch monitors a composite video output signal from a video processor and generates an error signal proportional to the square wave resulting from an unbalanced condition. The error signal is used to generate bias voltages which are applied to the Charge Coupled Photodiode array and a degenerative feedback loop is formed which nulls the error signal and automatically balances the array odd and even video outputs.

REFERENCES:
patent: 3790705 (1974-02-01), Kamin
patent: 3856989 (1974-12-01), Weimer
patent: 3904818 (1975-09-01), Kovac
patent: 3937874 (1976-02-01), Carbone
patent: 3949162 (1976-04-01), Malueg
patent: 4001501 (1977-01-01), Weimer
patent: 4045816 (1977-08-01), Cave
patent: 4145721 (1979-03-01), Beaudouin et al.

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