Mstar Semiconductor, Inc.

Chao-Cheng Wen

Guo-Kiang Hung

Meng-Che Tsai

Tsung-Fu Lin

Hsuan-I Pan

Wei-Lun Kuo

Chao-Ting Cheng

Hsien-Keng Lin

Kuo-Chao Liao

A method for coordinate correction of touch control is provided. An original x-coordinate and an original y-coordinate are corrected according to a total sensing value, the original x-coordinate and the original y-coordinate provided by touch sensing of a touch panel. The method includes providing an estimated x-axis correction value according to the original x-coordinate and the total sensing value, generating a corrected x-coordinate according to the estimated x-axis correction value and the original x-coordinate, and providing a corrected y-coordinate according to the original x-coordinate, the corrected x-coordinate and the total sensing value.

Method and associated method for coordinate correction of touch control

A method for designing a pattern of sensing channels is provided. The method is applied to a touch panel including a plurality of electrodes and a plurality of sections of sensing channels. The electrodes are connected to a plurality of sensors for the touch panel via the sections of sensing channels. According to a minimum sensing channel width, a minimum sensing channel gap, a maximum distribution width and lengths of the sections of sensing channels, a set of rules are established. According to the set of rules, a programming process is utilized to determine respective widths of the sections of sensing channels.

Method for designing pattern of sensing channels in touch panel

A signal processing method for a touch panel is provided. The touch panel includes a first sensing region and a second sensing region. The first sensing region is monitored by at least one first sensor to generate a first monitoring result. The second sensing region is monitored by at least one second sensor to generate a second monitoring result. The signal processing method includes determining whether a touch point formed in the first sensing region is close to the second sensing region, and generating position information of the touch point according to the first monitoring result and the second monitoring result when the touch point is close to the second sensing region.

Touch control system and signal processing method thereof

A method for touch detection is provided for detecting a touch point on a display device. The method includes: providing a display signal, according to which the display device has two parts of a vertical blanking interval within each frame period, wherein the two parts of the vertical blanking interval are discontinuous; and performing a touch detection in the two parts of the vertical blanking interval, respectively. The touch detection method is capable of performing multiple touch detections within one frame period.

Touch detection method and associated apparatus

A signal processing method for a touch panel is provided. The touch panel includes several capacitor electrodes. The method includes the following steps. Detection values are provided according to self-capacitance changes of the capacitor electrodes. The detection values are then low-pass filtered by a filter structure to generate several filtered values. A position where a touch event occurs on the touch panel is determined according to the filtered values.

Signal processing method for touch panel and touch panel system

A hand gesture recognition method according to the present disclosure is applied to a touch panel comprising a plurality of sensors, each of which generating a sensing value according to a touch operation. The method includes providing a first reference value and a second reference value; generating a count value by counting a quantity of the sensing values that are greater than a threshold; determining the touch operation as a first hand gesture when the count value is greater than the first reference value but smaller than the second reference value; and determining the touch operation as a second hand gesture when the count value is greater than the second reference value.

Hand gesture recognition method for touch panel and associated apparatus

A method for determining a displacement of a touch point is applied to a touch panel to reduce noise interfering with determination of the displacement. The method includes obtaining a displacement according to a movement of a touch point on the touch panel; checking whether the displacement is within a predetermined range; and determining that the movement is valid when the displacement is within the predetermined range.

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Zhunan, Taiwan

Chao-Cheng Wen