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:
Jun. 09, 2009
Filed:
Dec. 01, 2005
Applicants:
Yoshihito Kitayama, Akishima, JP;
Kunio Okada, Iruma, JP;
Inventors:
Yoshihito Kitayama, Akishima, JP;
Kunio Okada, Iruma, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention arranges an auxiliary antenna in the neighborhood of an antenna, and a voltage applied to the auxiliary antenna is changed based on the reception quality of a received signal received by the antenna. Thereby, the reception characteristic of the antenna is changed. Moreover, the optimum antenna is selected among a plurality of arranged antennas based on the reception quality of the received signals received by the plurality of arranged antennas.