Calibration system for a scanner for recording images from...

Details Calibration system for a scanner for recording images from... Calibration system for a scanner for recording images from...

2005-06-08

2008-11-25

Lee, Cheukfan (Department: 2625)

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

C358S496000, C358S498000, C358S497000, C358S408000, C358S474000, C399S374000, C399S364000, C399S367000, C355S023000, C355S024000

Reexamination Certificate

active

07457006

ABSTRACT:
An image input scanner having two scan heads for simultaneous scanning of both sides of a sheet includes two calibration surfaces. A first calibration surface is disposed on the carriage on which a first scan head is mounted. A second calibration surface is disposed on the document handler.

REFERENCES:
patent: 4429333 (1984-01-01), Davis et al.
patent: 5280368 (1994-01-01), Fullerton
patent: 6323933 (2001-11-01), Anzai
patent: 6967749 (2005-11-01), Chen

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