Electrostatic copying apparatus including a switch checking syst

Details Electrostatic copying apparatus including a switch checking syst Electrostatic copying apparatus including a switch checking syst

1981-05-04

1984-04-10

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 8, 371 15, G03G 1500

Patent

active

044418043

ABSTRACT:
A copying apparatus includes a switch checking system for examining whether or not a switch to be operated through the operation of the copying apparatus is normally operated. The copying apparatus is provided with a switch to be operated through the operation of a movable member and a controlling apparatus having a program set to output a given controlling signal through judgement of the operating condition of the switch. The controlling apparatus has a controlling mode for switch checking operation and a program for displaying the switching condition when the switch has been operated in the controlling mode and the switch checking is adapted to be performed through the mode switching of the controlling apparatus.

REFERENCES:
patent: 3599179 (1971-08-01), Arnold
patent: 3633016 (1972-01-01), Walker et al.
patent: 4009437 (1977-02-01), Lacher
patent: 4162396 (1979-07-01), Howard et al.
patent: 4183660 (1980-01-01), Bujese
patent: 4315685 (1982-02-01), Inuzuka et al.

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