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:
Aug. 13, 2002
Filed:
Jul. 02, 1999
Applicant:
Inventors:
Toru Tanizaki, Nagaokakyo, JP;
Ikuo Takakuwa, Suita, JP;
Tomohiro Nagai, Santa Rosa, CA (US);
Kazutaka Higashi, Hirakata, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/32 ;
U.S. Cl.
CPC ...
H01Q 1/32 ;
Abstract
A directional coupler including a first transmission line and a second transmission line adjacent to the first transmission line, the relative positions of the first transmission line and the second transmission line being changeable, an antenna element connected to a part of the directional coupler, and a driving mechanism for driving the directional coupler and the antenna element.