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. 26, 2014
Filed:
Jan. 12, 2012
Applicants:
Mikio Ueno, Tokyo, JP;
Ryuichi Taira, Tokyo, JP;
Shin Matsumoto, Tokyo, JP;
Inventors:
Assignee:
Harada Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/32 (2006.01); H01Q 1/36 (2006.01); H01Q 5/00 (2006.01); H01Q 11/08 (2006.01);
U.S. Cl.
CPC ...
H01Q 1/32 (2013.01); H01Q 5/0062 (2013.01); H01Q 11/08 (2013.01); H01Q 1/3275 (2013.01);
Abstract
A low profile antenna device for use in a vehicle comprises a base unit, and an antenna unit. The antenna unit is supported on the base unit, and is provided with a first helical unit on the side near to the base unit, and a second helical unit on the side far from the base unit. The second helical unit is configured such that the surface area is larger per unit length than that of the first helical unit.