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. 21, 2003
Filed:
Oct. 03, 2001
Applicant:
Inventors:
Nobuhiro Kobayashi, Tokyo, JP;
Naoki Morishima, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/12 ;
U.S. Cl.
CPC ...
H02M 1/12 ;
Abstract
Power conversion units using pulse width modulation for elimination of harmonics of specific orders are connected in parallel with an ac power system so that the power conversion units supply voltages of mutually different waveforms to the ac power system.