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:
May. 31, 1977
Filed:
Oct. 21, 1975
Applicant:
Inventor:
Rudolf A Heinecke, Harlow, EN;
Assignee:
ITT Industries, Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 38 ; 357 37 ; 357 68 ; 357 49 ; 357 55 ; 357 76 ; 357 17 ; 307305 ;
Abstract
A conventional construction thyristor is modified to remove the short from the shorted emitter which is then led out to a separate pin for external connection. This enables the use of a simpler zero voltage switching control circuit.