Optical element positioning apparatus for use in electrophotogra

Details Optical element positioning apparatus for use in electrophotogra Optical element positioning apparatus for use in electrophotogra

1984-04-03

1986-02-18

Moses, R. L.

Photocopying

Including fiber optics

355 57, 355 58, G03G 1500

Patent

active

045710643

ABSTRACT:
The invention is concerned with an apparatus for positioning optical elements of a lens for projecting an image of an original and a mirror for directing the image of the original from the lens toward a photosensitive medium. And the lens and mirror cooperate with movable optical members for scanning the original. The position of the optical elements are changed continuously or steplessly to a position corresponding to the newly selected magnification. For changing the magnification continuously, the lens in supported continuously shiftably along an optical path, and the mirror is supported continuously shiftably along the optical path from the lens and pivotally movable relative to the optical path. The lens and mirror are driven by a force of a single drive source via drive force transmitting mechanism.

REFERENCES:
patent: 3884574 (1975-05-01), Doi et al.
patent: 3897148 (1975-07-01), Ritchie et al.
patent: 3947188 (1976-03-01), Simpson
patent: 4118118 (1978-10-01), Barto, Jr.
patent: 4139298 (1979-02-01), Tani

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