Compact full frame illumination and imaging system for a photoco

Details Compact full frame illumination and imaging system for a photoco Compact full frame illumination and imaging system for a photoco

1983-09-26

1984-08-21

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 67, G03B 2736, G03B 2738

Patent

active

044667345

ABSTRACT:
A compact, full-frame flash illumination system is disclosed. In a unity mode of operation, a lens, mounted within a light housing, projects an image of a document onto a photoreceptor belt. In a reduction mode of operation, the lens is translated towards the photoreceptor along a non-linear path which maintains document registration at the image plane. Simultaneously, the platen is translated upward by a mechanical drive arrangement to maintain conjugate requirements.

REFERENCES:
patent: 3897148 (1975-07-01), Ritchie et al.
patent: 4116554 (1978-09-01), Libby et al.
patent: 4196986 (1980-04-01), Moyroud
patent: 4241392 (1980-12-01), Boone
patent: 4250538 (1981-02-01), Durbin et al.
patent: 4260250 (1981-04-01), McCormick-Goodhart
patent: 4329045 (1982-05-01), Rees et al.
patent: 4348105 (1982-09-01), Caprari

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