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:
Jan. 16, 2001
Filed:
Aug. 25, 1999
Applicant:
Inventors:
Noritoshi Imamura, Miyagi, JP;
Katsumi Kobori, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/10 ; G05F 1/652 ;
U.S. Cl.
CPC ...
G05F 1/10 ; G05F 1/652 ;
Abstract
A booster type converter (,) wherein a boosting inductor is constituted from a transformer (,) provided with an auxiliary winding (,), a capacitor (,) is connected to the auxiliary winding, whereby the capacitor is charged by means of resonance of a leakage inductance of the transformer (,) and the capacitor (,), and at the same time, it makes possible to conduct zero voltage switching of the booster type converter (,) on the basis of the electric charge charged in the capacitor, whereby it is intended to attain high efficiency in the booster type converter.