Data collection signal processing for increased performance...

Details Data collection signal processing for increased performance... Data collection signal processing for increased performance...

2005-04-05

2005-04-05

Lee, Michael G. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S462290, C235S462270, C235S462010

Reexamination Certificate

active

06874688

ABSTRACT:
Signal processing performance in electro-optical readers is improved by changing filter characteristics and/or digitizer thresholds during successive scans.

REFERENCES:
patent: 6347741 (2002-02-01), Blanford et al.
patent: 6382511 (2002-05-01), Tang et al.
patent: 6394351 (2002-05-01), Keys et al.
patent: 6497366 (2002-12-01), Burkey et al.
patent: 6695211 (2004-02-01), Keys et al.
patent: 6781932 (2004-08-01), Beatson

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