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. 11, 2014
Filed:
Mar. 26, 2012
Applicants:
Hiroshi Matsui, Kanagawa, JP;
Bernie Griffiths, Scotts Valley, CA (US);
Inventors:
Hiroshi Matsui, Kanagawa, JP;
Bernie Griffiths, Scotts Valley, CA (US);
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/18 (2006.01); H04B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An antenna adjustment circuit includes: a drive section that inputs an alternating drive signal to a variable capacitance connected to an antenna; and a control section that sets a capacitance value of the variable capacitance, based on a phase of an output signal derived from the variable capacitance.