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:
Apr. 23, 2019
Filed:
Nov. 07, 2014
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Arunim Kumar, Auckland, NZ;
Nigel Gray, Auckland, NZ;
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 50/12 (2016.01); H02J 7/02 (2016.01); H02J 7/04 (2006.01); H04B 5/00 (2006.01); H02J 50/60 (2016.01); H02J 17/00 (2006.01); H02J 50/80 (2016.01); H02J 50/90 (2016.01); H02J 7/00 (2006.01); H02J 7/34 (2006.01);
U.S. Cl.
CPC ...
H02J 7/041 (2013.01); H02J 7/025 (2013.01); H02J 17/00 (2013.01); H02J 50/12 (2016.02); H02J 50/60 (2016.02); H02J 50/80 (2016.02); H04B 5/0037 (2013.01); H02J 7/345 (2013.01); H02J 50/90 (2016.02); H02J 2007/0001 (2013.01);
Abstract
There is provided a contactless power system, power receiver and method of operating such, in which the power receiver of the system is configured to receive power transmitted by a power transmitter of the system via contactless electromagnetic coupling of respective receiving and transmitting coils. The power receiver further has circuitry for reflecting a unique magnetic signal to the transmitting coil of the power transmitter upon receipt of a power pulse by the receiver coil of the power receiver.