Title:
SYSTEM AND METHOD FOR PREVENTING CROSS CONNECTION IN WIRELESS CHARGING
Document Type and Number:
WIPO Patent Application WO/2019/183805
Kind Code:
A1
Abstract:
A wireless power transmitter that supplies power to a wireless power receiver. The wireless power transmitter includes a control unit, aresonator and an amplifier. The control unit generates an identification information of the wireless power transmitter. The resonator transmits power to the wireless power receiver. The amplifier drives the resonator and is controlled by the control unit such that the power transmitted by the resonator includes a first signal that carries the identification information of the wireless power transmitter. The wireless power transmitter further includes a wireless communication unit that sends a second signal having the identification information of the wireless power transmitter. The wireless communication unit receives a third signal that is generated from the wireless receiver based on the first and second signals to determine whether to establish power connection in order to prevent cross connection between the wireless power transmitter and the wireless power receiver when the wireless power receiver is not charged by the wireless power transmitter.
Inventors:
SO IEK PO (CN)
LEE HANG SANG (CN)
CHEN JUN (CN)
LEE HANG SANG (CN)
CHEN JUN (CN)
Application Number:
PCT/CN2018/080709
Publication Date:
October 03, 2019
Filing Date:
March 27, 2018
Export Citation:
Assignee:
HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD (CN)
International Classes:
H02J7/00; H02J50/20; H02J50/60
Domestic Patent References:
WO2017219705A1 | 2017-12-28 |
Foreign References:
US20140159653A1 | 2014-06-12 | |||
CN107546803A | 2018-01-05 | |||
CN107040026A | 2017-08-11 | |||
CN206004355U | 2017-03-08 | |||
CN106230048A | 2016-12-14 |
Attorney, Agent or Firm:
CHINA TRUER IP (CN)
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