Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HIGH POWER RF FIELD EFFECT TRANSISTOR SWITCHING USING DC BIASES
Document Type and Number:
WIPO Patent Application WO/2014/085140
Kind Code:
A3
Abstract:
Systems, methods, and apparatus are provided for tuning in wireless power transfer circuits. One aspect of the disclosure provides an apparatus for tuning. The apparatus includes a field effect transistor having a gate, source, and drain, where the field effect transistor is configured to electrically engage a tuning element to an AC power path. In some embodiments, one of the source or drain contacts is at an alternating current voltage.

Inventors:
WHEELAND CODY BURTON (US)
IRISH LINDA STACEY (US)
VON NOVAK III WILLIAM HENRY (US)
MAYO GABRIEL ISSAC (US)
Application Number:
PCT/US2013/070784
Publication Date:
December 18, 2014
Filing Date:
November 19, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
QUALCOMM INC (US)
International Classes:
H02J5/00; H02J7/02
Foreign References:
US20110278945A12011-11-17
DE3916173A11990-11-22
US20070109708A12007-05-17
US20110090723A12011-04-21
US20070018699A12007-01-25
Attorney, Agent or Firm:
ABUMERI, Mark M. (2040 Main Street Fourteenth Floo, Irvine California, US)
Download PDF: