Title:
Active and adaptive field elimination for wireless power systems
Document Type and Number:
Japanese Patent JP6345706
Kind Code:
B2
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.
Inventors:
William Henry Von Novak
Application Number:
JP2015560227A
Publication Date:
June 20, 2018
Filing Date:
February 21, 2014
Export Citation:
Assignee:
Qualcomm, Inc.
International Classes:
H02J50/12; H02J7/00; H02J50/70
Domestic Patent References:
| JP2001144696A | ||||
| JP2012249449A |
Foreign References:
| US20100172168 |
Attorney, Agent or Firm:
Yasuhiko Murayama
Kuroda Shinpei
Kuroda Shinpei
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