| CPC G06F 3/04162 (2019.05) [G06F 3/03545 (2013.01); G06F 3/0383 (2013.01); G06F 2203/0384 (2013.01)] | 17 Claims |
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1. A method for wireless communication, the method comprising:
at an active pen that communicates with a plurality of touch screens through a plurality of wireless channels, the plurality of wireless channels respectively corresponding to the active pen and the plurality of touch screens:
sending, by the active pen, a coding signal to a first touch screen of the plurality of touchscreens, 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, and wherein the first touch screen is configured to receive the coding signal in response to the active pen being within a preset distance from the first touch screen, the preset distance being less than or equal to 10 mm;
receiving, by the active pen, a first wireless signal sent by the first touch screen, 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;
identifying, by the active pen, among the plurality of touch screens, the first touch screen as a touch screen that is currently close to or in contact with the active pen according to the identification information of the first touch screen; and
sending, by the active pen, a wireless message to the first touch screen through a wireless channel corresponding to the first touch screen.
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