Printing or copying apparatus

Details Printing or copying apparatus Printing or copying apparatus

1986-04-28

1988-12-27

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14C, G03G 2100, G03G 1500

Patent

active

047944234

ABSTRACT:
A printing or copying apparatus including a rotatable member, a number of processing devices for forming an electrostatic latent image on the rotatable member, for developing the latent image and for transferring the developed image from the rotatable member to an image transfer medium, a circuit for generating a series of clock signals in response to the rotation of the rotatable member, an element for repetitively generating control pulses in each process in accordance with the clock pulses, the control pulses determining the timing with which the processing devices are operated, and a controller for controlling desired operations of the processing devices in accordance with necessary ones of the control pulses. The apparatus includes control elements for processing elements to produce a set number of repeated images on transfer mediums from a single primary image formed on the rotatable member, and for retaining the primary image during an interruption for use in producing the set number of repeated images on resumption of operation.

REFERENCES:
patent: 3944794 (1976-03-01), Reehil et al.
patent: 3964827 (1976-06-01), Tanaka et al.
patent: 4046466 (1977-09-01), Ando et al.
patent: 4329043 (1982-05-01), Kuehnle
patent: 4470692 (1984-09-01), Shimizu et al.

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