Ambient temperature compensating device for power source apparat

Details Ambient temperature compensating device for power source apparat Ambient temperature compensating device for power source apparat

1977-01-03

1978-04-18

Stein, Mervin

Coating apparatus

With vacuum or fluid pressure chamber

118647, G03G 1506

Patent

active

040845389

ABSTRACT:
A developing electrode device for a copying machine using a photosensitive material relying on temperature can set values despite variations in and deterioration of the initial characteristic of the photosensitive material to always produce stabilized copy images. The device includes a power source having a detector for detecting the temperature of a photosensitive body, a linear amplification circuit for amplifying signals of the detector, a clamping circuit for clamping output voltages of the linear amplification circuit in excess of normal temperature, an addition circuit for permitting the output voltages of the linear amplification circuit to move in parallel within a range of ambient temperatures and means for supplying the output of said addition circuit to a developing electrode.

REFERENCES:
patent: 3599605 (1969-08-01), Ralston
patent: 3779204 (1973-12-01), Altmann
patent: 3889637 (1975-06-01), North et al.
patent: 3898001 (1975-08-01), Hardenbrook et al.
patent: 3926516 (1975-12-01), Whited
patent: 3981268 (1976-09-01), Tsukamoto

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