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. 11, 2006
Filed:
Dec. 08, 2004
Applicants:
Naoyuki Takagi, Kyoto, JP;
Akihiko Iguchi, Osaka, JP;
Inventors:
Naoyuki Takagi, Kyoto, JP;
Akihiko Iguchi, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention can be used for mobile communication and is able to provide an antenna which can assure excellent radiation characteristic, decreasing the degree of coupling between two antenna elements without using any changeover switch. The second antenna element of this antenna is nearly half in length of the wavelength of corresponding frequency, and its tip is connected to the grounding point of a ground plane.