Apparatus for reading a color symbol

Registers – Records – Conductive

Reexamination Certificate

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Details

C235S2010FS, C235S462010, C235S462080, C235S470000

Reexamination Certificate

active

07124957

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: 5568555 (1996-10-01), Shamir
patent: 5576528 (1996-11-01), Chew et al.
patent: 5714745 (1998-02-01), Ju et al.
patent: 5992748 (1999-11-01), Takahashi et al.
patent: 6062475 (2000-05-01), Feng
patent: 6478223 (2002-11-01), Ackley
patent: 6793138 (2004-09-01), Saito
patent: 2002/0186309 (2002-12-01), Keshet et al.
patent: 2003/0052179 (2003-03-01), Pinson
patent: 2004/0200904 (2004-10-01), Pinson
patent: 6-236452 (1994-08-01), None
patent: 9-161002 (1997-06-01), None
patent: 2004-120797 (2004-04-01), None
International Search Report + opinion, Feb. 14, 2006, Optoelectronics Co., Ltd.

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