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:
Feb. 18, 2020
Filed:
Mar. 06, 2019
Applicant:
Optoelectronics Co., Ltd., Saitama, JP;
Inventors:
Mitsuaki Hirono, Saitama, JP;
Shuhei Itamoto, Saitama, JP;
Assignee:
OPTOELECTRONICS CO., LTD., Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/14 (2006.01);
U.S. Cl.
CPC ...
G06K 7/1473 (2013.01); G06K 7/1447 (2013.01); G06K 7/1478 (2013.01);
Abstract
An optical code reading process and a reading stability determining process are performed while suppressing an increase in the cost of a transfer system and avoiding a decrease in work efficiency. CMOS performs imaging. Processor reads an optical code contained in image data taken by CMOS and outputs a signal upon success of reading of the optical code. Further, processor calculates a first contrast at the time of teaching and a second contrast at the time of reading success, and determines reading stability based on a decrease rate of the second contrast with respect to the first contrast.