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:
Mar. 17, 2009
Filed:
Jun. 08, 2006
Applicants:
Kentaro Takahashi, Saitama Pref., JP;
Hiroshi Hayakawa, Saitama Pref., JP;
Inventors:
Kentaro Takahashi, Saitama Pref., JP;
Hiroshi Hayakawa, Saitama Pref., JP;
Assignees:
Optoelectronics Co., Ltd., Warabi-shi, Saitama Pref., JP;
Opticon, Inc., Orangeburg, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method of extracting data from a barcode or similar symbol in relatively large ambient light is disclosed. The system uses a slice signal that follows the upper part of a negative offset signal, or the lower part of a positive offset signal, depending upon the value of the input signal. The system may be implemented in digital or analog hardware.