18706317. METHOD AND DEVICE FOR AUTHENTICATION IN WIRELESS POWER TRANSFER SYSTEM (LG ELECTRONICS INC.)
METHOD AND DEVICE FOR AUTHENTICATION IN WIRELESS POWER TRANSFER SYSTEM
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METHOD AND DEVICE FOR AUTHENTICATION IN WIRELESS POWER TRANSFER SYSTEM
This abstract first appeared for US patent application 18706317 titled 'METHOD AND DEVICE FOR AUTHENTICATION IN WIRELESS POWER TRANSFER SYSTEM
Original Abstract Submitted
Provided are: a wireless power transfer method performed in a wireless power transfer system by a wireless power transmitter; and a device using same. The method: performs first authentication with a wireless power receiver in a power transfer phase related to transferring the wireless power; receives authentication token information in the power transfer phase from the wireless power receiver after or during the first authentication; and performs second authentication with the wireless power receiver in a new negotiation phase on the basis of the authentication token information after leaving the power transfer phase.