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.:

US 7649497 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 19, 2010

Filed:

Jun. 13, 2006
Applicants:

Akiko Yamada, Yokohama, JP;

Makoto Higaki, Yokohama, JP;

Shuichi Sekine, Yokohama, JP;

Inventors:

Akiko Yamada, Yokohama, JP;

Makoto Higaki, Yokohama, JP;

Shuichi Sekine, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01); H01Q 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided with an antenna device including: a first wire antenna element having a length about half a wavelength of a radio wave in use; a second wire antenna element which is in a same plane as the first wire antenna element and substantially perpendicular to the first wire antenna element, and which is connected to the first wire antenna element at one end; a third wire antenna element which is in the same plane as the first wire antenna element and substantially in parallel with the first wire antenna element, and which is connected to the second wire antenna element; and a feed point provided on the second wire antenna element.


Find Patent Forward Citations

Yamada, Akiko. (2010). Antenna device, mobile terminal and rfid tag (U.S. Patent No. 7649497). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7649497

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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