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:
Nov. 10, 2015
Filed:
Jan. 26, 2012
Applicants:
Junnei Baba, Fukuoka, JP;
Tetsuya Ashizuka, Fukuoka, JP;
Ichiro Komaki, Fukuoka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 21/00 (2006.01); H01Q 1/24 (2006.01); H01Q 3/30 (2006.01); H04B 1/3827 (2015.01);
U.S. Cl.
CPC ...
H01Q 21/0006 (2013.01); H01Q 1/245 (2013.01); H01Q 3/30 (2013.01); H04B 1/3838 (2013.01);
Abstract
The antenna device includes a first antennathat includes a first ground terminal; a second antennathat includes a second ground terminal; a ground conductorto which the first antennais connected through the first ground terminaland the second antennais connected through the second ground terminal; and a phase shifterthat controls a phase difference between a first current ieand a second current ie. The phase shiftercontrols the phase difference between the first current ieand the second current ieso that the first current ieand the second current iehave components to cancel each other.