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:
Mar. 20, 2001
Filed:
Apr. 20, 2000
Applicant:
Inventor:
Seiichi Anzawa, Nagano, JP;
Assignee:
Nagano Japan Radio Co., Ltd., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 ;
U.S. Cl.
CPC ...
H02M 3/335 ;
Abstract
An energy transfer unit constructed such that a plurality of series-connected circuits which are formed by series-connecting at least windings,to,and switching means Sa to Sd are provided and that the plurality of series-connected circuits are parallel-connected to a plurality of energy storage means Ca to Cd respectively, the plurality of windings,to,are magnetically coupled to each other respectively, and the plurality of switching means Sa to Sd are switching-controlled in synchronous with each other respectively.