Copying machine

Details Copying machine Copying machine

1981-04-08

1982-08-17

Moses, Richard L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

G03G 1500

Patent

active

043446973

ABSTRACT:
The copying machine according to the invention comprises a control section including a microprocessor constituted by a one-chip semiconductor high density integrated element, a random access memory for storing data and a read only memory in which a program for controlling the sequence of the copying machine is stored. The control section includes a timer. When the multiple copy mode is switched over to the interrupt copy mode, information of the suspended multiple copying run state is stored in the RAM, and the interrupt copy run is permitted. When no operation is made for a predetermined period of time after the end of the interrupt copy run, the remaining multiple copy run is permitted by reading out the suspended multiple copy run state stored in the RAM. When no operation is made for a predetermined period of time in the multiple copy mode, the machine set back to the normal mode that is brought about by system initialization after the closure of the power supply. The above control is effected according to the control program mentioned above.

REFERENCES:
patent: 4099860 (1978-07-01), Connin
patent: 4162848 (1979-07-01), Platt
patent: 4202622 (1980-05-01), Kawatsura et al.
patent: 4273439 (1981-06-01), Markham et al.

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