Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
IMPEDANCE TUNING
Document Type and Number:
WIPO Patent Application WO/2015/023899
Kind Code:
A3
Abstract:
The disclosure features wireless power transfer systems that include a power transmitting apparatus (3101) configured to wirelessly transmit power, a power receiving apparatus (3102) connected to an electrical load (3214) and configured to receive power from the power transmitting apparatus, and a controller (3208) connected to the power transmitting apparatus and configured to receive information about a phase difference between output voltage and current waveforms in a power source of the power transmitting apparatus, and to adjust a frequency of the transmitted power based on the measured phase difference.

Inventors:
KURS ANDRE B (US)
KESLER MORRIS P (US)
KATZ NOAM (US)
DILLON MATTHEW (US)
LOU HERBERT TOBY (US)
FIORELLO RON (US)
GILCHRIST AARON (US)
SAMPSON BENJAMIN K (US)
BRONSON DANIEL (US)
PALLO NATHAN A (US)
HALL KATHERINE L (US)
Application Number:
PCT/US2014/051152
Publication Date:
June 04, 2015
Filing Date:
August 14, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
WITRICITY CORP (US)
International Classes:
H02J7/02; B60L11/18; H02J17/00
Foreign References:
US20120161530A12012-06-28
US20110018360A12011-01-27
FR2984032A12013-06-14
US20120262000A12012-10-18
JPH10225129A1998-08-21
EP2536002A12012-12-19
US20130187478A12013-07-25
Attorney, Agent or Firm:
WEFERS, Marc M. et al. (P.O. Box 1022Minneapolis, Minnesota, US)
Download PDF: