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. 09, 1982
Filed:
Apr. 05, 1979
Applicant:
Inventors:
Tsuneo Nakahara, Osaka, JP;
Kenichi Yoshida, Osaka, JP;
Koichi Tsuno, Osaka, JP;
Isao Isshiki, Osaka, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
3401 / ; 235455 ; 235472 ; 250205 ; 250568 ;
Abstract
An optical information reading device for character recognition and processing having an array of luminous diodes to illuminate the material to be read. A sensor transmits received data signals to a pattern indentification circuit. The signals are also transmitted to a light control circuit to vary the illumination to the array to provide uniform lighting of the characters to be read.