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. 23, 1981
Filed:
Dec. 21, 1977
Applicant:
Inventors:
Nagataka Seki, Fuchu, JP;
Yukio Watanabe, Ikou, JP;
Assignee:
Tokyo Shibaura Electric Co., Ltd., Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 91 ; 361 58 ; 363 50 ; 363 54 ; 363 57 ;
Abstract
A snubber circuit is connected between the anode and cathode of a gate turn-off (GTO) thyristor. To the GTO thyristor a saturable reactor is connected in series. A gate off signal is supplied to the gate of the GTO thyristor and to the saturable reactor as backward current to reset the saturable reactor.