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. 05, 1982
Filed:
Jan. 02, 1979
Applicant:
Inventor:
Hidehiko Sugimoto, Nagoya, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363138 ; 363124 ;
Abstract
Economical thyristors are used instead of expensive transistors and a transistor is used for extinction of the thyristors to reduce cost in an inverter device having an inverter function for converting DC to AC or a current type inverter device having a chopper function for controlling DC power and an inverter function for converting DC to AC.