Electrophotographic copying apparatus for the production of mult

Details Electrophotographic copying apparatus for the production of mult Electrophotographic copying apparatus for the production of mult

1979-09-04

1981-09-01

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3R, G03G 1500

Patent

active

042868653

ABSTRACT:
An improved electrophotographic copying apparatus is described, which permits, during automatic copying of a desired number of copies from the same original document, the setting of the number of repeated uses of the same latent electrostatic image, thus obviating the lowering and unevenness of image quality of the copies. In another embodiment of the improved electrophotographic copying apparatus, the timing of the formation of successive latent images of the same original document is controlled in accordance with the total number of copies to be made of the same original document so that the number of repeated uses of each respective latent image is made approximately equal. Also, in the latter embodiment, a signal indicating the timing for the exchange of successive original documents is generated at the time of formation of the last electrostatic image from the prior original document.

REFERENCES:
patent: Re29179 (1977-04-01), Davidge et al.
patent: 4142792 (1979-03-01), Satomi et al.

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