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. 16, 2018
Filed:
Oct. 31, 2013
Applicant:
Mitsubishi Electric Engineering Company, Limited, Chiyoda-ku, JP;
Inventors:
Yoshiyuki Akuzawa, Chiyoda-ku, JP;
Kiyohide Sakai, Chiyoda-ku, JP;
Toshihiro Ezoe, Chiyoda-ku, JP;
Yuki Ito, Chiyoda-ku, JP;
Assignee:
Mitsubishi Electric Engineering Company, Limited, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02J 50/12 (2016.01); H02M 7/48 (2007.01); H02J 50/20 (2016.01);
U.S. Cl.
CPC ...
H02J 50/12 (2016.02); H02M 7/48 (2013.01); H02J 50/20 (2016.02); H02M 2007/4815 (2013.01); H02M 2007/4818 (2013.01); Y02B 70/1441 (2013.01);
Abstract
A resonant type high frequency power supply device provided with a power semiconductor element that performs a switching operation at a high frequency exceeding 2 MHz, the resonant type high frequency power supply device including a variable inductor that makes an adjustment to the amplitude of a device output voltage.