US 12,443,313 B2
Electronic device control method and electronic device
Jiabao Mo, Dongguan (CN); Kaifeng Deng, Dongguan (CN); Yang Zou, Dongguan (CN); and Junyong Zhang, Dongguan (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Nov. 4, 2024, as Appl. No. 18/935,677.
Application 18/935,677 is a continuation of application No. PCT/CN2023/090948, filed on Apr. 26, 2023.
Claims priority of application No. 202210518501.3 (CN), filed on May 13, 2022.
Prior Publication US 2025/0060848 A1, Feb. 20, 2025
Int. Cl. G06F 3/041 (2006.01)
CPC G06F 3/04184 (2019.05) [G06F 3/04162 (2019.05); G06F 3/04166 (2019.05)] 20 Claims
OG exemplary drawing
 
1. An electronic device control method, applied to an electronic device having a touchscreen, wherein a display drive circuit and a touch sensor that match the touchscreen are configured in the electronic device, and the method comprises:
performing, by the display drive circuit, pixel scan;
collecting, by the touch sensor, touch signals, each touch signal for a set of S rows of pixels scanned by the display drive circuit, wherein S≥1, wherein each N consecutive touch signals form a group; and
transmitting an uplink synchronization signal in a slot corresponding to a Kth touch signal in each group, 1≤K≤N, and the uplink synchronization signal indicates time alignment for an external device.