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:
Sep. 30, 2014
Filed:
Mar. 08, 2011
Wei Zhang, Hitachi, JP;
Masashi Kawamata, Hitachi, JP;
Tatsushi Yamaguchi, Saitama, JP;
Daigorou Shiozawa, Kitakatushika, JP;
Wei Zhang, Hitachi, JP;
Masashi Kawamata, Hitachi, JP;
Tatsushi Yamaguchi, Saitama, JP;
Daigorou Shiozawa, Kitakatushika, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Insulating spacerhas insulating molded membermolded as a single body with insulating material such as epoxy resin, in which at least one electric conductora grounding shield surrounding the electric conductor(s), and Optical fiberof Faraday-effect element are embedded to form a build-in configuration. The grounding shield can be formed of cylindrical shielding membermade of metal wires, metal strips, or a cylindrical metallic member having a perforation of a plurality of small holes thereon. The aforementioned optical fiberwhich is to be used as a component of an optical current transformer, is put in a certain place in cylindrical shielding member
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile