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. 01, 2003
Filed:
Oct. 18, 2001
Fujio Matsui, Tokyo, JP;
Mitsunori Ishii, Tokyo, JP;
Seiichi Anzawa, Nagano, JP;
Hiroshi Nishizawa, Nagano, JP;
Other;
Abstract
In such a voltage equalizer circuit in which each of plural windings P to Pn electromagnetically coupled to each other, each of plural storage elements E to En series-connected to each other, and each of plural first switching elements S to Sn are connected to each other in a series connecting manner so as to constitute a plurality of closed circuits, this voltage equalizer apparatus is featured by that a reference voltage winding Pp electromagnetically coupled to the plurality of windings is provided; both a DC power supply Ep and a second switching element Sp are series-connected to the second winding; and all of the plural first switching elements and the second switching element are turned ON/OFF in a synchronous manner.