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:
Mar. 02, 2010
Filed:
May. 11, 2007
Applicants:
Akiko Yamada, Yokohama, JP;
Shuichi Sekine, Yokohama, JP;
Inventors:
Akiko Yamada, Yokohama, JP;
Shuichi Sekine, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to an aspect of the invention, there is provide an antenna apparatus including: a conductive element including one end connected to a ground plane via a terminating resistor and the other end to which a power is supplied; and at least one branch conductive element branching from the conductive element and having a tip end which is short-circuited to the ground plane, and an element length of the branch conductive element being approximately a quarter wavelength of an operation frequency.