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.

Date of Patent:
Jul. 07, 2009

Filed:

Mar. 15, 2005
Applicants:

Toshinori Inagawa, Wako, JP;

Motohiro Shimizu, Wako, JP;

Kenji Kamimura, Wako, JP;

Inventors:

Toshinori Inagawa, Wako, JP;

Motohiro Shimizu, Wako, JP;

Kenji Kamimura, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a control power supply capable of stably operating to output a desired voltage as electric power, even when the input voltage thereof varies over a wide range. A power supply includes a rectification circuitfor rectifying the AC output from a power generatorand a non-insulation type DC/DC converterfor stepping down the DC output from the rectification circuit. A self-excited oscillation type converter (RCC)is provided at the following stage of the non-insulation type DC/DC converter. The input voltage which has been stepped down by the converteris input to the primary side of the RCC, and the RCCstably operates with the input voltage which varies largely to supply, from its secondary side, a power supply to an ECUor the like.


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