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. 31, 2012
Filed:
Mar. 22, 2007
Tetsuo Inoue, Yokohama, JP;
Takao Kusaka, Yokohama, JP;
Tetsuo Inoue, Yokohama, JP;
Takao Kusaka, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Materials Co., Ltd., Yokohama-shi, JP;
Abstract
An electronic apparatus () includes a power receiving device () and an electronic apparatus main body (). The power receiving device () includes a power receiving coil () having a spiral coil, a rectifier (), and a secondary battery (). The electronic apparatus main body () includes an electronic device () and a circuit board (). A magnetic foil () is arranged in at least one position between the spiral coil () and the secondary battery (), the rectifier (), the electronic device (), or the circuit board (). The magnetic foil () has a μr'·t value expressed as the product of the real component μr′ of relative permeability and the plate thickness t of 30000 or larger.