Mstar Semiconductor, Inc.

Chien Chuan Chen

Chi Kang Liu

Guo-Kiang Hung

A touch sensing method of an electronic apparatus is provided. The electronic device includes a touch sensor and a motion sensor. The touch sensing method includes: performing touch detection with the touch sensor to generate a touch signal having a first amplitude; performing motion detection with the motion sensor to generate a motion signal having a second amplitude; determining whether the first amplitude is smaller than a first predetermined value, and determining whether the second amplitude is greater than a second predetermined value; and when the first amplitude is smaller than the first predetermined value and the second amplitude is greater than the second predetermined value, increasing a signal gain corresponding to the touch signal.

Electronic apparatus and mode control method and touch sensing method thereof

A control system for a touch screen is provided. The control system includes a voltage-level shifter between a screen controller and a touch controller. The voltage-level shifter level-shifts a common voltage for driving the screen to a corresponding timing signal with an input signal range acceptable by the touch controller.

Growing community of inventors

Chupei, Taiwan

Chien Chuan Chen