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:
Nov. 14, 2017
Filed:
Mar. 01, 2013
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventor:
William H. Von Novak, San Diego, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 17/00 (2006.01); H02J 5/00 (2016.01);
U.S. Cl.
CPC ...
H02J 17/00 (2013.01); H02J 5/005 (2013.01);
Abstract
This disclosure provides methods and apparatus, including computer-readable media, for wireless power transfer and particularly active cancellation of undesirable electric or magnetic field emissions from a wireless power transmitter. In one aspect, the disclosure provides for an apparatus including a sensor, controller, and emitter, wherein the sensor is used to sense the electric or magnetic field emissions from a transmit antenna, the controller configured to determine the undesirable components of the field, and the emitter to generate a field to destructively interfere with the undesirable components.