System and method for bar code detection

Details System and method for bar code detection System and method for bar code detection

2008-04-29

2008-04-29

Stcyr, Daniel (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S462080, C235S462160

Reexamination Certificate

active

07364080

ABSTRACT:
Described is a system and method for bar code detection. The method comprises generating a digitized bar pattern (DBP) including a series of elements corresponding to elements of a scanned bar code, and identifying a first set of margins around a first portion of the series of elements. When an attempt to decode the first portion is unsuccessful, the first portion is analyzed to determine a second set of margins around a second portion of the series of elements, the second set of margins being within the first set of margins, and the second portion is input to a decoding algorithm.

REFERENCES:
patent: 4782220 (1988-11-01), Shuren
patent: 5821520 (1998-10-01), Mulla et al.
patent: 2004/0164155 (2004-08-01), Iwaguchi et al.
patent: 2006/0180669 (2006-08-01), Hara
patent: 0 262 924 (1988-04-01), None

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