Patent ID: 11928279
Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A method for wireless communication, comprising:
at a first touch screen of a plurality of touch screens that communicates with an active pen through a wireless channel of the plurality of wireless channels, the plurality of wireless channels respectively corresponding to the active pen and the plurality of touch screens:
detecting, by the first touch screen, a coding signal sent by the active pen, wherein the coding signal is configured for the first touch screen to determine information on a position of the active pen on the first touch screen;
in response to the coding signal being detected by the first touch screen, sending, by the first touch screen, a first wireless signal to the active pen, wherein the first wireless signal is transmitted through a wireless channel corresponding to the active pen and carries identification information of the first touch screen, the identification information of the first touch screen is configured for the active pen to identify, among the plurality of touch screens, the first touch screen that is currently close to or in contact with the active pen; and
receiving, by the first touch screen, a wireless message sent by the active pen through a wireless channel corresponding to the first touch screen;
wherein detecting, by the first touch screen, the coding signal sent by the active pen comprises:
in response to the active pen being within a preset distance from the first touch screen, receiving, by the first touch screen, the coding signal sent by the active pen;
wherein the preset distance is less than or equal to 10 mm.