Shenzhen Goodix Technology Co., Ltd.

Haolei Wang

Jinchun Ye

Xiaoxiang Chen

Lei Dai

Zhenyu Zhong

Bo Pi

Hai Li

Xiaohong Yang

Xing Huang

Xianpeng Chen

Yejia Feng

Bin Ruan

The present application provides a synchronization method and a synchronization device, which may effectively realize synchronization between a touch screen and the active pen. The synchronization method is configured for time synchronization between a first detection chip of a first device and a second detection chip of a second device, and the method includes: a first wireless communication chip connected to the first detection chip, receiving the first synchronization signal sent by the first detection chip at a first moment; the first wireless communication chip sending time information associated with the first moment to a second wireless communication chip connected to the second detection chip; and the time information being configured to determine a second moment for the first detection chip to send the synchronization signal next time, so that the second detection chip is synchronized with the first detection chip at the second moment.

Synchronization method, wireless communication chip, synchronization device, electronic device and active pen

A method for adjusting a touch screen, a touch chip, and an electronic terminal are provided. The method for adjusting a touch screen includes: receiving a characteristic signal corresponding to a usage scenario type of a terminal device that includes the touch screen; acquiring a touch screen adjustment parameter corresponding to the characteristic signal, where the touch screen adjustment parameter includes: at least one of a chip simulation parameter for controlling a touch chip of the touch screen and a firmware algorithm parameter; and adjusting an operating state of the touch screen based on the touch screen adjustment parameter. Through the embodiments of the present disclosure, a user can get excellent experience when using the touch screen in various usage scenarios.

Method for adjustment touch screen, touch chip, and electronic terminal

The present disclosure relates to a touch technology field, provides a touch detecting method for a touch sensor, the method comprises the following steps: putting the touch sensor into a mutual capacitance mode and a self capacitance mode alternatively, and scanning and detecting the rows and columns of a capacitance array of the touch sensor; when a touch state is preliminarily judged as no touch according to a scanning and detecting result in the mutual capacitance mode, implementing envelopment analysis for data obtained by sampling in the self capacitance mode and determining whether the touch exists in the mutual capacitance mode, updating no reference in the mutual capacitance mode if the touch exists, and updating the reference in the mutual capacitance mode if no touch exists.

Touch detecting method, touch detecting system and touch terminal for touch sensor

The present invention is applicable to the technical field of touch control. Provided are a touch detection system and a noise suppression method therefor. The method includes the steps of: sequentially driving a touch detection system with all driving frequencies that the touch detection system supports, and detecting a currently existing interference strength value when driving with each driving frequency; and frequency-hopping to the driving frequency corresponding to the minimum interference strength value, and driving the touch detection system with the driving frequency corresponding to the minimum interference strength value to perform a normal operation. By detecting an interference strength value at each driving frequency and then using the driving frequency corresponding to the minimum interference strength value as an operating frequency of a touch terminal, the present invention minimizes the signal interference of a touch detection system.

Noise suppression method and system for touch detection and touch terminal

The present invention relates to a touch technology field, provides a touch detecting method for a touch sensor, the method comprises the following steps: putting the touch sensor into a mutual capacitance mode and a self capacitance mode alternatively, and scanning and detecting the rows and columns of a capacitance array of the touch sensor; when a touch state is preliminarily judged as a multi-touch according to a scanning and detecting result in the mutual capacitance mode, implementing envelopment analysis for data obtained by sampling in the self capacitance mode, determining whether the touch state in the mutual capacitance mode is a single touch or the multi-touch, outputting one touch coordinate if the touch state is the single touch; and outputting a plurality of touch coordinates if the touch state is the multi-touch. The present invention also provides a touch detecting system and a touch terminal for the touch sensor. The present invention improves the accuracy of a touch detection result of the touch sensor, particularly the accuracy of the detection result for distinguishing whether the touch is the single touch or the multi-touch in the case that the touch control terminal is subjected to a large area touch in a floating state.

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Shenzhen, China

Haolei Wang