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.

Date of Patent:
Aug. 08, 2017

Filed:

Feb. 19, 2014
Applicant:

Kabushiki Kaisha Toshiba, Minato-Ku, Tokyo, JP;

Inventors:

Tetsu Shijo, Tokyo, JP;

Akiko Yamada, Yokohama-Shi, JP;

Shuichi Obayashi, Yokohama-Shi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/42 (2006.01); H05K 9/00 (2006.01); B60L 11/18 (2006.01); H01Q 1/52 (2006.01); H02J 17/00 (2006.01); H01F 38/14 (2006.01); H01F 27/36 (2006.01);
U.S. Cl.
CPC ...
H05K 9/0075 (2013.01); B60L 11/182 (2013.01); B60L 11/1829 (2013.01); H01F 27/367 (2013.01); H01F 38/14 (2013.01); H01Q 1/52 (2013.01); H02J 17/00 (2013.01); B60L 2270/147 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/7072 (2013.01); Y02T 90/12 (2013.01); Y02T 90/121 (2013.01); Y02T 90/122 (2013.01); Y02T 90/125 (2013.01); Y02T 90/14 (2013.01);
Abstract

According to an embodiment, there is provided a leak preventing device of electromagnetic wave, including a metal pipe and a magnetic material part. The metal pipe is arranged to surround a periphery of a first electric power transmission device. The first electric power transmission device wirelessly transmits electric power to a second electric power transmission device via an electromagnetic wave. The second electric power transmission device is opposed to the first electric power transmission device. An opening is formed on the metal pipe along a circumferential direction of the metal pipe. The magnetic material part is arranged within the metal pipe along the circumferential direction the metal pipe.


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