Device for detecting the size of the material to be copied in co

Details Device for detecting the size of the material to be copied in co Device for detecting the size of the material to be copied in co

1980-07-28

1982-07-06

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

250578, 355 61, 355 75, G03B 2752

Patent

active

043380204

ABSTRACT:
A device for determining the size of an original or material to be copied in the copying machine wherein a color sensor is used as means for detecting the size of the original. The device comprising a colored member having a certain color, a light emitting member for throwing light upon the colored member, and a light receiving member for receiving light reflected by or transmitted through the colored member.

REFERENCES:
patent: 3901606 (1975-08-01), Watanabe et al.
patent: 4244649 (1981-01-01), Rees et al.

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