Optical device for copying machine with inversion of principal p

Details Optical device for copying machine with inversion of principal p Optical device for copying machine with inversion of principal p

1987-08-26

1988-12-20

Grimley, Arthur T.

Photocopying

Including fiber optics

355 57, G03G 1504, G03B 2734

Patent

active

047928263

ABSTRACT:
In a mirror scan type copying machine in which a light source and part of mirrors are movable, the optical system employs an asymmetrical lens construction for image formation. The optical system is mounted on an inverting drive mechansim for switching the optical system from a position where its principal point is located on the side of the original mount into a position where its principal point is located on the side of the sensitive material surface or vice versa.

REFERENCES:
patent: 4474462 (1984-10-01), Ogawa et al.

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