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:
Feb. 05, 2019
Filed:
Aug. 19, 2015
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Kenichi Suga, Chiyoda-ku, JP;
Takao Tsurimoto, Chiyoda-ku, JP;
Hiroki Shiota, Chiyoda-ku, JP;
Kenichi Morokuma, Chiyoda-ku, JP;
Shoichi Orita, Chiyoda-ku, JP;
Fumitaka Tametani, Chiyoda-ku, JP;
Takahiro Inoue, Chiyoda-ku, JP;
Shiori Uota, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Abstract
A signal transmission insulating device includes: a first coil; a second coil opposing the first coil to form a transformer together with the first coil; a first insulating film provided between the opposing first coil and second coil and made of a first dielectric material; a second insulating film surrounding the first coil and made of a second dielectric material having a lower resistivity or a higher permittivity than the first dielectric material; and a third insulating film surrounding the second coil and made of a third dielectric material having a lower resistivity or a higher permittivity than the first dielectric material.