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. 07, 2018

Filed:

Aug. 27, 2015
Applicant:

Renesas Electronics Corporation, Tokyo, JP;

Inventors:

Tatsuaki Tsukuda, Tokyo, JP;

Hideki Sasaki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/12 (2006.01); H02J 5/00 (2016.01); H01Q 1/52 (2006.01); H01Q 7/00 (2006.01); H01Q 1/24 (2006.01); H02J 50/70 (2016.01);
U.S. Cl.
CPC ...
H02J 5/005 (2013.01); H01Q 1/526 (2013.01); H01Q 7/00 (2013.01); H01Q 1/243 (2013.01); H02J 50/70 (2016.02);
Abstract

To achieve a reduction of noise in a wireless system of an electronic device for communication. The electronic device for communication includes: a bottom lid; a loop antenna that forms an electromagnetic field; a communication circuit coupled to the loop antenna; a battery pack that is a metallic part; a magnetic sheet arranged between the loop antenna and the metallic part, the magnetic sheet including a protruding portion that protrudes outside an outer peripheral portion of the loop antenna; a wiring substrate arranged over the battery pack and having an IC and the like mounted thereon; and a lid with a display arranged over the wiring substrate, in which, with the outer peripheral portion of the loop antenna as a base point, a protruding amount from the base point of the protruding portion of the magnetic sheet is twice or more a wiring width of the loop antenna.


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