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:
Jul. 31, 1990
Filed:
Mar. 28, 1988
Koji Suzuki, Yokohama, JP;
George Nagahira, Yokohama, JP;
Kazuyoshi Takahashi, Kawasaki, JP;
Kunio Yoshihara, Tokyo, JP;
Toshiro Matsui, Kawasaki, JP;
Tadashi Ishikawa, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A power source device including a lower voltage inverter transformer having plural secondary windings and a higher voltage inverter transformer having a primary winding connected directly to one of the secondary windings of the lower voltage inverter transformer without any rectifying circuit or inverter circuit interposed therebetween. The lower voltage and higher voltage transformers are contained in the same casing, the internal space of which is filled with an electrically insulative material to provide a unit device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile