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. 17, 2012
Filed:
Jul. 30, 2007
Kazuo Yamazaki, Atsugi, JP;
Yukihiro Terada, Atsugi, JP;
Hidenori Tanaka, Atsugi, JP;
Tamiji Nagai, Kawasaki, JP;
Toshio Nagai, Legal Representative, Tokyo, JP;
Kazuo Yamazaki, Atsugi, JP;
Yukihiro Terada, Atsugi, JP;
Hidenori Tanaka, Atsugi, JP;
Tamiji Nagai, Kawasaki, JP;
Toshio Nagai, legal representative, Tokyo, JP;
Mitsumi Electric Co., Ltd., Tama-shi, JP;
Abstract
Provided is a bidirectional converter which has flexibility to be applicable in various conditions and performs stable switching of operation mode at high efficiency. An electronic device which supplies power in various conditions and operates with excellent efficiency is also provided. An electronic device is provided with a bidirectional converter, which has a reactor and four switches between power supply input terminals and a secondary battery, and a system circuit is supplied with an operation voltage through the bidirectional converter. A status signal indicating the operation status of the system circuit is transmitted to a microcomputer of the bidirectional converter, and based on the status signal, switching of operation mode of the bidirectional converter is controlled.