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:
Apr. 29, 1986
Filed:
Jun. 20, 1983
Applicant:
Inventors:
Yasuyuki Takahara, Nakajomachi, JP;
Hirofumi Kubo, Nakajomachi, JP;
Shigeo Hosaka, Hitachishi, JP;
Tomomi Izuna, Nakajomachi, JP;
Toshiyuki Fujimori, Nakajomachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
336 / ; 336 69 ;
Abstract
A transformer having a molded coil which can stably sustain an electric-shock free function for a long period of time. The transformer has a grounded conductive shield layer on the surface of the molded coil. The shield layer is composed of a plurality of segments so that a stable bonding of the shield layer to resin is kept for a long period of time, with the respective segments being grounded by a conductor.