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:
Apr. 12, 1988
Filed:
Oct. 14, 1986
Applicant:
Inventors:
Hiroshi Nishikawa, Tokyo, JP;
Shunji Mitaka, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363144 ; 361400 ; 439 55 ;
Abstract
A power supply unit comprises a plug receptacle for receiving AC power, a power transformer for transforming the AC voltage supplied through the plug receptacle, a power switch for controlling supply and block of the AC voltage supplied through the plug receptacle, to the power transformer, and a printed circuit board for carrying and elecrically interconnecting the plug receptacle, the power transformer and the power switch.
Nishikawa, Hiroshi. (1988). Electronic apparatus (U.S. Patent No. 4737903). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4737903
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile