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:
Mar. 09, 2010

Filed:

Dec. 10, 2007
Applicants:

Isao Ohba, Tokyo, JP;

Satoshi Mizoguchi, Tokyo, JP;

Hiromichi Suzuki, Tokyo, JP;

Koichi Sato, Tokyo, JP;

Inventors:

Isao Ohba, Tokyo, JP;

Satoshi Mizoguchi, Tokyo, JP;

Hiromichi Suzuki, Tokyo, JP;

Koichi Sato, Tokyo, JP;

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

An antenna device configured to be fed at a feed portion included in a printed board of a radio apparatus is provided. The antenna device has a feed element connected to the feed portion. The antenna device has a first parasitic element at least a portion of which is arranged close and electrically coupled to at least a portion of the feed element. The first parasitic element is loaded with a first frequency shifter. The antenna device has a second parasitic element at least a portion of which is arranged close and electrically coupled to at least a portion of the feed element. The second parasitic element is loaded with a second frequency shifter.


Find Patent Forward Citations

Loading…