Movable calibration device for a sheet-fed scanner

Details Movable calibration device for a sheet-fed scanner Movable calibration device for a sheet-fed scanner

2005-05-02

2008-09-23

Lee, Cheukfan (Department: 2625)

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

C358S496000, C358S498000, C358S406000

Reexamination Certificate

active

07428078

ABSTRACT:
A movable calibration device for a sheet-fed scanner includes a calibration sheet and a cam. A scanning module scans an image on the calibration sheet for calibrating the sheet-fed scanner. The cam, driven by a motor, moves the calibration sheet into and out of a scan window of the scanning module. The calibration sheet can be moved out of the scan window without reversing the rotational direction of the motor. The entire calibration sheet is moved in a linear path.

REFERENCES:
patent: 6989915 (2006-01-01), Honjo et al.

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