Document scanner

Details Document scanner Document scanner

1980-10-20

1982-08-31

Braun, Fred L.

Photocopying

Including fiber optics

355 58, G03G 1528, G03B 2738

Patent

active

043469841

ABSTRACT:
A lead screw is provided to move two or more document scanning elements at separate and differing rates of speed. In a preferred embodiment the lead screw consists of two threaded segments, each segment having a length and pitch which provides a 2:1 ratio of travel to a scan element threadingly engaged therein.

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Theory of Operation of the 4000 Service Manual Xerox Corporation, Rochester, NY.

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