Focal point shifter for scanning applications

Details Focal point shifter for scanning applications Focal point shifter for scanning applications

2003-08-25

2009-08-04

Williams, Kimberly A (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S474000, C359S721000, C399S377000, C399S378000

Reexamination Certificate

active

07570399

ABSTRACT:
A method, system, and apparatus for the shifting of a scanning device's focal point is described herein. The method, system, and apparatus comprise a focal point shifter interposed between a scanner surface and a target surface of a medium.

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patent: 6637897 (2003-10-01), Tsai et al.
patent: 6678075 (2004-01-01), Tsai et al.
patent: 2000236422 (2000-08-01), None

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