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. 20, 2012
Filed:
Mar. 11, 2010
Applicants:
Takuya Nagai, Aichi, JP;
Tomohiro Sawazaki, Aichi, JP;
Inventors:
Takuya Nagai, Aichi, JP;
Tomohiro Sawazaki, Aichi, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya-Shi, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 9/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A one-wavelength loop antenna includes a looped antenna element having a length equivalent to one wavelength related to communication; and a feeding cable for feeding current to a feeding point on the antenna element, wherein an inner conductor is disposed inside an outer conductor in a section between the feeding point and an extraction position of the feeding cable distanced from the feeding point by ⅛ wavelength or more, at least one of the outer and inner conductors functioning as the feeding cable.