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, 1988
Filed:
May. 18, 1987
Applicant:
Inventors:
Kiyoshi Ogawa, Fuchu, JP;
Yoshizo Akao, Hino, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
323222 ; 323272 ;
Abstract
A control device for a chopper apparatus derives chopper currents from preset positions of the chopper circuit, detects the deviations of the chopper currents from an average chopper current, and inputs the deviations to a chopper output voltage control system to balance the chopper currents.
Ogawa, Kiyoshi. (1988). Control device for choppers parallel between a dc power source and a (U.S. Patent No. 4748397). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4748397
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile