Patent Issued for Access control method and device in wireless power transmission system (USPTO 12081289).

A patent has been issued to LG Electronics Inc. for an access control method and device in a wireless power transmission system. The patent describes a method for controlling access and communication between a wireless power transmitter and multiple wireless power receivers. The wireless power transfer technology allows for the wireless charging of devices such as smartphones and tablets, providing convenience and mobility. The patent aims to improve the efficiency and effectiveness of wireless power transmission by incorporating out-band communication, such as Bluetooth, to exchange information between the transmitter and receivers. The invention also addresses the need for notifying the receiver of the maximum number of supported devices and reducing the handover time from in-band to out-band communication. [Extracted from the article]