Multiple-background device for a scanner and calibration...

Details Multiple-background device for a scanner and calibration... Multiple-background device for a scanner and calibration...

2005-03-21

2008-08-12

Lee, Cheukfan (Department: 2625)

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

C358S496000, C358S408000, C358S474000

Reexamination Certificate

active

07411704

ABSTRACT:
A multiple-background device for a scanner and a calibration device utilizing the same principle are disclosed. The multiple-background device includes a shaft, a low-reflectance portion and a high-reflectance portion are formed along the length of the shaft. Thereby the shaft can provide various background colors, and the optical module can acquire a plurality of scan lines by means of rotating the shaft for image calibration.

REFERENCES:
patent: 5101284 (1992-03-01), Tanabe
patent: 6839155 (2005-01-01), Spencer
patent: 6891648 (2005-05-01), Inoue et al.
patent: 6947187 (2005-09-01), Mui et al.
patent: 7236274 (2007-06-01), Sheng et al.
patent: 2003/0090742 (2003-05-01), Fukuda et al.

Affiliated with

Also associated with

Rating

Multiple-background device for a scanner and calibration... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multiple-background device for a scanner and calibration..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multiple-background device for a scanner and calibration... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4010951