Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2006-04-18
2006-04-18
Frech, Karl D. (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S462060, C235S462110
Reexamination Certificate
active
07028901
ABSTRACT:
An optical code reading system and method are provided for reading and decoding an optical code. The system includes a plurality of light sources, a color image sensor, a processor and a decoder. Each light source produces a unique wavelength/color of light to illuminate the optical code, such as a direct mark optical code. The image sensor detects the reflected light from the optical code and generates an integrated multi-colored image. The processor separates the integrated image into individual color channels, where each color channel includes data representative of the imaged optical code in one color. The processor analyzes the contrast for each color channel and determines which color channel has the optimum contrast. The data corresponding to the color channel having the optimum contrast is then decoded by a decoder.
REFERENCES:
patent: 5361158 (1994-11-01), Tang
patent: 5773808 (1998-06-01), Laser
patent: 2003/0062413 (2003-04-01), Gardiner et al.
patent: 0516927 (1992-03-01), None
Carter, DeLuca Ferrell & Schmidt, LLP
Frech Karl D.
Symbol Technologies Inc.
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