Apparatus for reading a color symbol

Details Apparatus for reading a color symbol Apparatus for reading a color symbol

2008-07-22

2008-07-22

Lee, Michael G. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S492000, C235S494000, C235S470000, C235S462040, C235S462060

Reexamination Certificate

active

07401738

ABSTRACT:
The present invention provides an apparatus for reading a color symbol, which comprises a matrix of color filters arranged in front of a detector. Light received from the filters of some colors is used to locate the color symbol, while light received from all the filters is used to read and decode the located symbol. Preferably, the filters used for locating the symbol are of the colors to which the detector is most sensitive. Preferably, the filters for locating the symbol are dominant in number.

REFERENCES:
patent: 5714745 (1998-02-01), Ju et al.
patent: 6793138 (2004-09-01), Saito
patent: 2003/0201325 (2003-10-01), Saito
patent: 1994-236452 (1994-08-01), None
patent: 1997-161002 (1997-06-01), None
patent: 2004-120797 (2004-04-01), None
patent: 2005/021183 (2006-02-01), None

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