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:
Sep. 16, 2014
Filed:
Apr. 01, 2010
Applicants:
Masahiro Hanazawa, Aichi-ken, JP;
Nobuhiro Ide, Toyota, JP;
Inventors:
Masahiro Hanazawa, Aichi-ken, JP;
Nobuhiro Ide, Toyota, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 21/00 (2006.01); H01Q 11/12 (2006.01); H01Q 9/46 (2006.01); H01Q 7/00 (2006.01); H01Q 21/29 (2006.01); H01Q 3/24 (2006.01);
U.S. Cl.
CPC ...
H01Q 3/24 (2013.01); H01Q 9/46 (2013.01); H01Q 7/005 (2013.01); H01Q 21/29 (2013.01);
Abstract
An antenna device includes: a plurality of loop metal wires that form loops out of metal wires and that are radially arranged around a center line; a power feeding portion that feeds power to the loop metal wires or a power receiving portion that receives power from the loop metal wires and that is provided on the center line; and a variable impedance element that is inserted in each of the loop metal wires.