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:
Feb. 21, 2006
Filed:
Jul. 24, 2003
Applicants:
Masashi Hiratsuka, Kanagawa, JP;
Kunihiro Takahashi, Kanagawa, JP;
Inventors:
Masashi Hiratsuka, Kanagawa, JP;
Kunihiro Takahashi, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/537 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power supply apparatus includes first and second switching elements respectively controlled by first and second clock signals, a first parallel resonance circuit connected between the first switching element and a dc power supply, a second parallel resonance circuit connected between the second switching element and the dc power supply, and a series resonance circuit connected between the first and second parallel resonance circuits. An output voltage of the power supply circuit is obtained from a node in the series resonance circuit.