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:
Mar. 01, 2016
Filed:
Mar. 15, 2013
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Charles Edward Wheatley, III, Del Mar, CA (US);
Zhen Ning Low, San Diego, CA (US);
Meng Li, San Diego, CA (US);
Assignee:
QUALCOMM INCORPORATED, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 38/14 (2006.01); H02J 5/00 (2006.01); H04B 5/00 (2006.01); H02J 17/00 (2006.01); H01F 27/42 (2006.01);
U.S. Cl.
CPC ...
H01F 38/14 (2013.01); H02J 5/005 (2013.01); H02J 17/00 (2013.01); H04B 5/0037 (2013.01);
Abstract
This disclosure provides systems, methods and apparatus for decoupling multiple wireless charging transmitters. In one aspect, a device is configured to transmit wireless power to a first receiver. The device includes a first driver coil and a second driver coil. The device further includes a common reactance element connected to the first driver coil and the second driver coil. The reactance element is configured to at least partially cancel mutual inductance between the first driver coil and the second driver coil.