Apparatus of generating control signals for controlling an opera

Details Apparatus of generating control signals for controlling an opera Apparatus of generating control signals for controlling an opera

1976-08-26

1978-02-07

Shoop, William M.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

250233, G03G 1500

Patent

active

040724158

ABSTRACT:
An apparatus of generating control signals for an electrophotographic copying machine which is provided with a disk fixed to a rotary shaft of a photosensitive drum and having through-holes formed therein, a light emitting device arranged to be opposed to a photosensitive device through the disk to form binary coded light signals and a decoder connected to the photosensitive device to decode the light signals therefrom. As the disk rotates together with the photosensitive drum, the photosensitive device sequentially senses a plurality of binary coded light signals to operate desired devices of the electrophotographic copying machine.

REFERENCES:
patent: 3307041 (1967-02-01), Kling
patent: 3510659 (1970-05-01), Trehn
patent: 3659109 (1972-04-01), Hickey et al.
patent: 3734608 (1973-05-01), Hickey et al.
patent: 3746443 (1973-07-01), Hickey
patent: 3907424 (1975-09-01), Komori et al.
patent: 3912390 (1975-10-01), Van Herten
patent: 3914047 (1975-10-01), Hunt, Jr. et al.
patent: 3948586 (1976-04-01), Komori et al.

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