Charging device for automatic copying apparatus

Details Charging device for automatic copying apparatus Charging device for automatic copying apparatus

1976-03-31

1977-07-05

Church, Craig E.

Radiant energy

Corona irradiation

250325, G03G 1500

Patent

active

040342212

ABSTRACT:
The charging device for automatic copying apparatus comprises charging wires supplied with a charge voltage at all times and a plurality of lamps disposed in the rearward position of the charging device. As turning on of the lamps can prevent the photoconductor from charging by the charging wires, a charged zone corresponding to the effective image region can be produced on the photoconductor by controlling turning on and off of the lamps.

REFERENCES:
patent: 3307034 (1967-02-01), Bean
patent: 3749927 (1973-07-01), Sato
patent: 3778623 (1973-12-01), Sato
patent: 3816749 (1974-06-01), North

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