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. 21, 2017
Filed:
Apr. 06, 2010
Applicant:
Kazuhiro Sato, Tokyo, JP;
Inventor:
Kazuhiro Sato, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/42 (2006.01); H01F 37/00 (2006.01); H01F 38/00 (2006.01); H02J 17/00 (2006.01); H02J 7/02 (2016.01);
U.S. Cl.
CPC ...
H02J 17/00 (2013.01); H02J 7/025 (2013.01);
Abstract
A power transmission device includes: a transmission means including at least an oscillation means and a resonant means and for transmitting power to a power reception device by using a magnetic resonance-type power transmission technique; and a control means for controlling the reception power of the power reception device so as to be at a maximum by changing at least one of an oscillation frequency of the oscillation means and a resonant frequency of the resonant means.