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:
Jun. 17, 1986
Filed:
Sep. 26, 1983
Applicant:
Inventor:
Yoshiaki Matsuura, Tokyo, JP;
Assignee:
Seikosha Instruments & Electronics Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
219216 ; 346 / ;
Abstract
Metal-oxide semiconductors are used for the logic control circuit and the drive circuit of a thermal print head to eliminate defects such as breakdowns and erroneous operations caused by heat generated in the thermal head and to reduce current consumption.
Quick Actions:
Matsuura, Yoshiaki. (1986). Semiconductor device for use with a thermal print head (U.S. Patent No. 4595821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4595821
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