Multi-mode optical scanning system

Details Multi-mode optical scanning system Multi-mode optical scanning system

1975-06-20

1977-06-14

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Original moves continuously

355 8, 355 11, 355 66, G03B 2748, G03B 2750, G03B 2770

Patent

active

040294099

ABSTRACT:
A folded optical system for scanning an object and projecting its image in four modes of operation. In one mode, a stationary object is scanned by moving mirrors and its conjugate image projected at unity magnification onto a moving image surface. In a second mode, conjugate distances are varied to project an image at other than unity magnification. In a third mode, the optical system remains stationary and the object is moved relative to it to enable imaging of objects larger than the scan travel of the optics. In a fourth mode, the optics again remain stationary and an add-reflector is introduced to create a reflection cavity to increase the object conjugate for minified imaging of large moving objects. Mirrors and lens are movable to effect magnification changes.

REFERENCES:
patent: 3740137 (1973-06-01), Sato
patent: 3778153 (1973-12-01), Iki
patent: 3837743 (1974-09-01), Amemiya

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