The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 2004
Filed:
Feb. 27, 2001
Applicant:
Inventor:
Michele Benedetti, Lippo di Calderara di Reno, IT;
Assignee:
Datalogic S.p.A., Bologna, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 7/10 ; G06K 1/906 ; G06K 9/22 ; G02B 2/610 ;
U.S. Cl.
CPC ...
G06K 7/10 ; G06K 1/906 ; G06K 9/22 ; G02B 2/610 ;
Abstract
For reading bar and stacked codes, transitions between code elements are determined by crossing points between a sampled video signal, representative of the intensity of light diffused by a code along a scan line thereof, and a low-pass filtered version thereof, or between two low-pass filtered versions thereof. The method is suitable to be implemented through analog or digital hardware, and via software.