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:
Apr. 16, 2013
Filed:
May. 06, 2010
Naoki Itoi, Chiyoda-ku, JP;
Masayoshi Maeda, Aioi, JP;
Nobuhiro Kihara, Chiyoda-ku, JP;
Kenji Ishi, Chiyoda-ku, JP;
Hiroshi Okuda, Chiyoda-ku, JP;
Fumito Uemura, Chiyoda-ku, JP;
Naoki Itoi, Chiyoda-ku, JP;
Masayoshi Maeda, Aioi, JP;
Nobuhiro Kihara, Chiyoda-ku, JP;
Kenji Ishi, Chiyoda-ku, JP;
Hiroshi Okuda, Chiyoda-ku, JP;
Fumito Uemura, Chiyoda-ku, JP;
Mitsubishi Eletric Corporation, Tokyo, JP;
Abstract
A power supply device comprising: a magneto generator including a rotor including a magnet forming a magnetic field; a rectifying unit rectifying an alternating current of the generator to a direct current and supplying to an electrical load; a voltage detection unit detecting a voltage of the electrical load; an opening unit interrupting electrical conduction of an output of the generator; short-circuiting units electrically short-circuiting the output; a torque supplying device supplying torque to the rotor; a voltage control unit selectively performing one of opening-control of controlling on/off switching of the opening unit and short-circuit-control of controlling on/off switching of the short-circuiting units to control the voltage of the electrical load to a predetermined value in accordance with the voltage detected by the voltage detection unit; a switching control unit switching and controlling between the above two controls in accordance with an operating state regarding rotation of the rotor.