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. 09, 1989
Filed:
Oct. 03, 1988
Applicant:
Inventor:
Yasuhumi Yatsuzuka, Yamatokoriyama, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 19 ; 363 49 ;
Abstract
A converter circuit with an oscillation transistor is provided with a circuit for changing starting resistance for the oscillation transistor to develop a fixed A.C. output voltage on the secondary side of the transformer from input voltages on the primary side thereof.
Yatsuzuka, Yasuhumi. (1989). Converter circuit (U.S. Patent No. 4829413). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4829413
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile