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.:

US 8937821 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 20, 2015

Filed:

Feb. 04, 2011
Applicants:

Katsuyuki Amano, Tokyo, JP;

Daisuke Suzuki, Tokyo, JP;

Katsuhiko Saito, Tokyo, JP;

Inventors:

Katsuyuki Amano, Tokyo, JP;

Daisuke Suzuki, Tokyo, JP;

Katsuhiko Saito, Tokyo, JP;

Assignee:

Mitsubishi Electric Corporation, Chiyoda-Ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A DC power supply apparatus comprising: a rectifying circuit including, a first rectifying portion, a second rectifying portion, a third rectifying portion and a fourth rectifying portion; a current detection portion; a first switching portion; and a second switching portion; wherein each of the first rectifying portion cooperatively operating with the first switching portion and the second rectifying portion cooperatively operating with the second switching portion is a semiconductor element which is formed by using a Schottky junction formed between silicon carbide or gallium nitride and metal and has a withstanding voltage property with respect to a voltage of an AC power supply.


Find Patent Forward Citations

Amano, Katsuyuki. (2015). Dc power supply apparatus (U.S. Patent No. 8937821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8937821

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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