Registration system for a photocopier

Details Registration system for a photocopier Registration system for a photocopier

1982-04-28

1985-03-19

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Focus or magnification control

G03B 2736, G03B 2738

Patent

active

045055815

ABSTRACT:
The document registration system disclosed is incorporated in a full-frame illumination and imaging system for a photocopier capable of copying at magnification ranging from 1.0.times. through 0.647.times.. The registration system combines a non-linear movement of the projection lens in conjunction with the vertical translation of a document platen to maintain proper lens position and document corner registration throughout the magnification range.

REFERENCES:
patent: 3778147 (1973-12-01), Reehil et al.
patent: 3897148 (1975-07-01), Ritchie et al.
patent: 4029411 (1977-06-01), Stemmle
patent: 4116554 (1978-09-01), Libby et al.
patent: 4116562 (1978-09-01), Libbey et al.
patent: 4120578 (1978-10-01), Daniels et al.
patent: 4209248 (1980-06-01), Gibson et al.
patent: 4265990 (1981-05-01), Stolka et al.
patent: 4298275 (1981-11-01), Critchlow et al.
patent: 4316668 (1982-02-01), Miller
patent: 4351606 (1982-09-01), Franko

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