Photocopying – Projection printing and copying cameras – Original moves continuously
Patent
1978-10-12
1980-02-12
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Original moves continuously
350 68, 355 8, 358206, 358293, G03B 2748, G03B 2750, G03B 2770
Patent
active
041881133
ABSTRACT:
A copy machine having a plane stationary platen for holding an original and having also capability in facsimile transmitter and receiver is disclosed. A first scanning mirror is driven in parallel with the platen surface at the same speed as a photosensitive medium. A second scanning mirror is driven synchronously at half the speed of the first scanning mirror and in the same direction. An in-mirror lens comprises a reflex mirror and a spherical lens system and a fourth fixed reflex mirror is located on the same side of both scanning mirrors vis-a-vis the in-mirror lens. It serves to reflect an image forming beam from the in-mirror lens forwards the photosensitive medium. The facsimile function uses a beam deflector comprising an in-mirror lens, a rotary polygonal mirror and a polygonal mirror driving mechanism. This additional system is disposed at a position optically equivalent to the nodal point of half of the in-mirror lens. An incident optical system directs a laser beam from a source toward the beam deflector. The beam deflected by the beam deflector is selectively directed toward either the platen surface or the photosensitive medium surface.
REFERENCES:
patent: 3475760 (1969-10-01), Carlson
patent: 3970359 (1976-07-01), Starkweather
patent: 3973825 (1976-08-01), Starkweather
Fuji 'Xerox Co., Ltd.
Wintercorn Richard A.
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