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:
Dec. 09, 2003
Filed:
Jun. 08, 2001
Applicant:
Inventors:
Toshiaki Rokunohe, Hitachinaka, JP;
Hirohiko Yatsuzuka, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 3/102 ; H01H 3/112 ; H04B 3/46 ;
U.S. Cl.
CPC ...
H01H 3/102 ; H01H 3/112 ; H04B 3/46 ;
Abstract
The present invention provides a method and device for detecting a discharge in an electrical device comprising, providing a bushing having a bottom lower flange and a top upper flange, providing a shield inside the bushing extending from the bottom lower flange to a position at least below the top upper flange and providing an antenna outside the bushing at least above the position for measuring an output signal from the device for detecting the discharge.
Rokunohe, Toshiaki. (2003). Method and device for detecting a partial discharge in an electrical device (U.S. Patent No. 6661235). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6661235
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile