Method and system for substantially eliminating a shadow effect

Details Method and system for substantially eliminating a shadow effect Method and system for substantially eliminating a shadow effect

1995-12-22

1997-08-19

Grimley, Arthur T.

Electrophotography

Control of electrophotography process

Responsive to copy media characteristic

355 75, 399 52, 399377, G03G 1504

Patent

active

056598386

ABSTRACT:
The current invention discloses photocopying methods and systems for substantially eliminating shadows caused by uneven surfaces of an original by the use of a light diffusing element or a carrier sheet which automatically triggers the associated photocopying parameters. The light diffusing element has a marker or an identification code which is detected by a sensor placed along a paper path, and the marker contains various type of information used for adjusting the photocopying conditions associated with the use of the light diffusing element. The light diffusing element is also designed to be used with an automatic document feeder.

REFERENCES:
patent: 4118119 (1978-10-01), Maiorano
patent: 4975735 (1990-12-01), Bright et al.
patent: 5422737 (1995-06-01), Atoji et al.
patent: 5521692 (1996-05-01), Bares

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