Variable magnification reproducing apparatus

Details Variable magnification reproducing apparatus Variable magnification reproducing apparatus

1975-10-30

1977-07-05

Tomsky, Stephen J.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 8, 355 51, 355 57, G03G 1500

Patent

active

040336913

ABSTRACT:
A reproducing apparatus for producing copies of a document selectively at one of a plurality of copy image magnifications. A photosensitive surface is arranged for movement at a given velocity. A plurality of document viewing positions corresponding to different desired copy image magnifications are provided. The document is viewed in stripwise fashion selectively at one of the viewing positions, and an image thereof projected onto the photosensitive surface selectively at one of the plurality of magnifications corresponding to the viewing position selected.

REFERENCES:
patent: 3521950 (1970-07-01), Gardner et al.
patent: 3542467 (1970-11-01), Ferguson et al.
patent: 3614222 (1971-10-01), Post et al.
patent: 3689145 (1972-09-01), Kawakubo et al.
patent: 3709602 (1973-01-01), Satomi
patent: 3764208 (1973-10-01), Takahashi et al.
patent: 3778147 (1973-12-01), Reehil et al.
patent: 3778153 (1973-12-01), Oki
patent: 3837743 (1974-09-01), Amemiya
patent: 3884574 (1975-05-01), Doi et al.
patent: 3914044 (1975-10-01), Ogawa

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