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:
Mar. 05, 2019

Filed:

Mar. 21, 2016
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

William Henry Von Novak, III, San Diego, CA (US);

Edward Kenneth Kallal, San Diego, CA (US);

Cody Burton Wheeland, San Diego, CA (US);

Seong Heon Jeong, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/42 (2006.01); H01F 37/00 (2006.01); H01F 38/00 (2006.01); H02J 50/12 (2016.01); H02J 50/80 (2016.01); H02J 7/02 (2016.01); B60L 11/18 (2006.01); H02J 5/00 (2016.01);
U.S. Cl.
CPC ...
H02J 50/12 (2016.02); B60L 11/182 (2013.01); H02J 5/005 (2013.01); H02J 7/025 (2013.01); H02J 50/80 (2016.02); Y02T 10/7005 (2013.01); Y02T 10/7072 (2013.01); Y02T 90/122 (2013.01); Y02T 90/14 (2013.01);
Abstract

A wireless power transmitter includes a power transmit coil configured to generate a magnetic field for wirelessly coupling charging power to one or more receiver devices, the magnetic field having a magnetic field distribution over an area defining a charging region, a circuit configured to alter the magnetic field generated by the power transmit coil to alter the magnetic field distribution, and a controller operably coupled to the circuit, the controller configured to control the circuit to alter the magnetic field distribution responsive to a detected characteristic of the one or more receiver devices.


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