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.:

US 8779982 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 15, 2014

Filed:

Mar. 28, 2008
Applicants:

Kenji Waku, Kanagawa, JP;

Kunihiko Watanabe, Kanagawa, JP;

Shin Takahashi, Kanagawa, JP;

Tadashi Koyama, Kanagawa, JP;

Inventors:

Kenji Waku, Kanagawa, JP;

Kunihiko Watanabe, Kanagawa, JP;

Shin Takahashi, Kanagawa, JP;

Tadashi Koyama, Kanagawa, JP;

Assignee:

KYOCERA Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A portable wireless device which effectively uses a space in a case while maintaining communication qualities by reducing antenna gain deterioration even when a plurality of antennas of different frequency bands are arranged adjacent to each other. The portable wireless device is provided with patterns for adding a band disturbing element, which is composed of beads and a parallel resonance circuit, to a part where one side of an antenna pattern of a magnetic field antenna is closed to between the main antenna and the magnetic field antenna is more easily generated. The band disturbing element may be composed of ferrite core or the like.


Find Patent Forward Citations

Waku, Kenji. (2014). System for reducing antenna gain deterioration (U.S. Patent No. 8779982). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8779982

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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