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:
Jul. 05, 2016
Filed:
Feb. 21, 2012
Applicants:
Toru Fukasawa, Tokyo, JP;
Takashi Ito, Tokyo, JP;
Hiroaki Miyashita, Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01); G01R 31/12 (2006.01); H02B 13/065 (2006.01); H01Q 9/28 (2006.01); G01R 31/14 (2006.01); G01R 31/327 (2006.01);
U.S. Cl.
CPC ...
G01R 31/1254 (2013.01); G01R 31/1272 (2013.01); G01R 31/1281 (2013.01); G01R 31/14 (2013.01); G01R 31/327 (2013.01); H01Q 9/28 (2013.01); H01Q 9/285 (2013.01); H02B 13/065 (2013.01);
Abstract
A partial discharge sensor is configured to have a metal casingdisposed outside flangeandand a bowtie antennadisposed inside the metal casingin a direction orthogonal to a circumferential direction of the flangesandto thus receive a signal caused by a partial discharge over a wide band with high sensitivity.