An improved platen cover for a copying machine

Details An improved platen cover for a copying machine An improved platen cover for a copying machine

1981-09-15

1983-11-15

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355 3R, G03B 2762

Patent

active

044152612

ABSTRACT:
An improved platen cover for overlying original documents disposed atop a transparent plate for optical scanning in a copying machine includes marks or patterns on its surface facing the transparent plate. The marks or patterns are placed on the platen cover surface utilizing a fluorescent paint so that the marks or patterns do not reproduce on or degrade the quality of the copy of the original document operatively produced by the machine.

REFERENCES:
patent: 3713861 (1973-01-01), Sharp
patent: 3788737 (1974-01-01), Kidd
patent: 3799666 (1974-03-01), Furushima et al.
patent: 4338020 (1982-07-01), Yukawa et al.

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