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. 09, 2019
Filed:
Apr. 22, 2015
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Takayuki Hirabayashi, Tokyo, JP;
Hiroyuki Shigei, Tokyo, JP;
Rikiya Ishikawa, Kanagawa, JP;
Yu Togasaki, Kanagawa, JP;
Osamu Kozakai, Kanagawa, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/12 (2006.01); H01Q 1/22 (2006.01); H01Q 1/27 (2006.01); H01Q 1/32 (2006.01); H01Q 1/36 (2006.01); H01Q 1/44 (2006.01); H01Q 9/14 (2006.01); H04B 1/3827 (2015.01); H01Q 1/48 (2006.01); H01Q 21/28 (2006.01);
U.S. Cl.
CPC ...
H01Q 1/362 (2013.01); H01Q 1/2291 (2013.01); H01Q 1/273 (2013.01); H01Q 1/48 (2013.01); H01Q 9/14 (2013.01); H01Q 21/28 (2013.01);
Abstract
An antenna device includes at least one antenna that transmits and receives communication signals, and a helix ground plate connected to the at least one antenna. The helix ground plate includes an overlapping part, and has a length of at least one-quarter of a wavelength of a lowest-frequency in the communication signals.