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:
Jan. 01, 1985
Filed:
Oct. 25, 1982
Applicant:
Inventor:
Masahiko Akamatsu, Amagasaki, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ; H03K / ;
U.S. Cl.
CPC ...
3072 / ; 3072 / ; 307305 ; 307353 ; 357 38 ; 357 46 ;
Abstract
A self-turn-off type semiconductor switch comprising a gate-reverse biasing thyristor and a transistor connected in parallel to each other wherein the load current is shunted to the transistor, thus causing the thyristor to be turned off.