Patents Assigned to ConvenientPower, Ltd.
  • Methods and systems for detecting foreign objects in a wireless charging system
    Patent number: 9178361
    Abstract: Methods and systems are described for using detection coils to detect metallic or conductive foreign objects that can interfere with the wireless transfer of power from a power transmitter to a power receiver. In particular, the detection coils are targeted to foreign objects that are smaller than a power transmitter coil in the power transmitter.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: November 3, 2015
    Assignee: ConvenientPower, Ltd.
    Inventors: Xun Liu, Laurens Henricus Swaans, Ka Wai Paul Chan, Ho Kan Low, Wing Kwong Chan
  • Power transfer device and method
    Patent number: 8294418
    Abstract: The present invention provides a power transfer device for charging a wireless communication device having a communication bandwidth, and an associated method of transferring power. The device and method of the invention use a spread-spectrum technique to reduce or minimize interference signals within the communication bandwidth and within the power transfer device.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: October 23, 2012
    Assignee: ConvenientPower, Ltd.
    Inventors: Shu Yuen Ron Hui, Quan Xue, Kwun Chiu Wan