Means for positioning optical components for a variable magnific

Details Means for positioning optical components for a variable magnific Means for positioning optical components for a variable magnific

1982-06-28

1984-04-10

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 8, 355 55, 355 77, G03G 1528

Patent

active

044418051

ABSTRACT:
A continuously variable magnification/reduction scanning optical system for a document copier machine where the lens and total conjugate length adjustment are made prior to the copy operation without use of a special optics positioning motor. Optical component adjustment is achieved through use of the scan drive motor by coupling the scan carriage to the lens carriage during the set-up period and uncoupling the carriages during normal operation.

REFERENCES:
patent: 3918806 (1975-11-01), Cook
patent: 4332461 (1982-06-01), Cail et al.

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