Optical system for a scanning apparatus with reflector pairs at

Photocopying – Contact printing – Light boxes

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Details

355 66, 355 51, 250234, G02B 2717, G03B 2770

Patent

active

040507807

ABSTRACT:
An optical system for a scanning apparatus uses a folded optical path with certain mirrors moving, the movement of the mirrors such that the length of the optical path, and thus the magnification, is maintained constant. Either a fixed or movable lens system can be provided. With a fixed lens system there is differential movement of mirrors. With a moving lens system, the lens system and image receiver move in fixed relationship with the scanning mirror.

REFERENCES:
patent: 3346739 (1967-10-01), Jenkner
patent: 3709602 (1973-01-01), Satomi
patent: 3752558 (1973-08-01), Lloyd
patent: 3841753 (1974-10-01), Ogawa

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