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:
Aug. 18, 2009
Filed:
Mar. 13, 2007
Applicant:
Motoki Komiya, Kobe, JP;
Inventor:
Motoki Komiya, Kobe, JP;
Assignee:
Fujitsu Ten Limited, Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/59 (2006.01);
U.S. Cl.
CPC ...
Abstract
A switching regulator, has first and second switching regulator units, and first and second PLL circuit units that are provided in the first and second switching regulator units respectively, input first and second control pulse signals (PIN, PIN) respectively, phases of which are shifted from each other, and control the first timing (T) of performing non-conduction control on the first switching element (LMOS). The first and second control pulse signals each is controlled to have a frequency corresponding to a voltage-boosted level of the output terminal to maintain the output voltage at predetermined voltage.