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.

Date of Patent:
Jan. 31, 2017

Filed:

Feb. 18, 2014
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Satoshi Shimokawa, Kawasaki, JP;

Akiyoshi Uchida, Akashi, JP;

Hiroyasu Kawano, Ebina, JP;

Kiyoto Matsui, Miki, JP;

Masakazu Taguchi, Kobe, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 17/00 (2006.01); H01F 38/14 (2006.01); H02J 5/00 (2016.01); H02J 7/02 (2016.01);
U.S. Cl.
CPC ...
H01F 38/14 (2013.01); H02J 5/005 (2013.01); H02J 7/025 (2013.01); H02J 17/00 (2013.01); H02J 50/12 (2016.02); H02J 50/50 (2016.02); H02J 50/80 (2016.02);
Abstract

A power transmission apparatus includes a cover part attached to one of a power transmitter and an electronic apparatus, the power transmitter including a primary-side coil connected to an alternating-current power supply and a primary-side resonant coil configured to receive power from the primary-side coil by electromagnetic induction, the electronic apparatus including a secondary-side coil; and a secondary-side resonant coil disposed in the cover part, and configured to transmit to the secondary-side coil the power received from the primary-side resonant coil by magnetic field resonance generated between the primary-side resonant coil and the secondary-side resonant coil.


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