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:
Oct. 13, 2015
Filed:
Jul. 12, 2013
Applicant:
Optoelectronics Co., Ltd., Saitama, JP;
Inventors:
Kazuto Kimura, Saitama, JP;
Zhihui Duan, Saitama, JP;
Assignee:
Optoelectronics Co., Ltd., Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/10 (2006.01); G06K 7/14 (2006.01);
U.S. Cl.
CPC ...
G06K 7/1465 (2013.01); G06K 7/10851 (2013.01);
Abstract
A code symbol reading apparatus, that reads a code symbol on an object to be read by scanning the object, repeats trial to read the code symbol until the apparatus succeeds in reading, while changing a transmission frequency of a filter that processes a signal representing a light intensity variation obtained through the scan and in which transmittance depends on a frequency of the signal.