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:
Oct. 04, 2016
Filed:
Aug. 18, 2015
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventor:
Ryan Tseng, Coronado, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 17/00 (2006.01); H02J 5/00 (2016.01); H04B 5/00 (2006.01);
U.S. Cl.
CPC ...
H02J 5/005 (2013.01); H02J 17/00 (2013.01); H04B 5/0037 (2013.01); H04B 5/0081 (2013.01);
Abstract
Systems and methods for feedback control of output power in a wireless power transmitter are disclosed. According to one aspect, one of a voltage level at an input of a wireless power transmit coil and a level of current passing through the wireless power transmit coil are sensed. The wireless power transmitter includes a controller configured to adjust an electrical characteristic of the wireless power transmitter to maintain at least one of the level of current and the voltage level at a constant level.