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:
Feb. 06, 2018
Filed:
Feb. 20, 2014
Applicant:
Nec Corporation, Minato-ku, Tokyo, JP;
Inventors:
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 38/14 (2006.01); H03H 7/40 (2006.01); H04B 5/00 (2006.01); H02J 50/12 (2016.01); H02J 50/80 (2016.01);
U.S. Cl.
CPC ...
H03H 7/40 (2013.01); H01F 38/14 (2013.01); H02J 50/12 (2016.02); H02J 50/80 (2016.02); H04B 5/0037 (2013.01); H04B 5/0075 (2013.01);
Abstract
A transmission apparatus transmits electric power via a medium that is present between the transmission apparatus and a receiving apparatus. The transmission apparatus includes: an antenna; and a power transmission circuit that outputs electric power via the antenna of the transmission apparatus, the electric power having a first resonance frequency determined by an impedance of the medium, an impedance of the antenna of the transmission apparatus, and an impedance of an antenna of the receiving apparatus.