Focaltech Systems, Ltd.

Gree Electric Appliances, Inc. of Zhuhai

Haier Smart Home Co., Ltd.

Qingdao Economic and Technological Development Zone Haier Water Heater Co., Ltd.

Qingdao Haier New Energy Appliance Co.ltd

Jincheng Tian

Hua Li

Lianghua Mo

Xinxi Jiang

Lei Yang

Bo Li

Huaiyi Xu

Huadong Dai

Qingfeng Guo

Juan Huang

Qiang Qian

The embodiments of the present invention disclose a touch stylus, a touch detection method and a touch detection system, which are suitable to be used for writing on a capacitive touch screen and can increase the success rate of touch. A method according to an embodiment of the present invention includes: receiving, by a sensing electrode, a square wave signal sent from a stylus tip of a touch stylus; performing a detection process on the square wave signal, by a sensing detection unit, the sensing detection unit having a clock synchronized with a clock of the touch stylus; determining, by a signal processing unit, whether a touch event occurs according to the square wave signal processed with the detection process; and calculating position coordinates of the touch event and reporting the position coordinates to a system control unit, by the signal processing unit, if a touch event occurs.

Touch stylus, touch detection method and touch detection system

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Shenzhen, China

Jincheng Tian