Three-dimensional multiple-point type touch screen based on thin film pressure sensors and triaxial accelerometer
A pressure sensor, film pressure technology, applied in the input/output process of instruments, calculations, data processing, etc., can solve the problem of inaccurate touch pressure perception
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[0017] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0018] Such as figure 1 Shown: A three-dimensional multi-point touch screen based on a film pressure sensor and a three-axis accelerometer, including: a capacitive touch screen body 1, a number of film pressure sensors arranged on the back of the capacitive touch screen body 1, 2, a capacitive touch screen control chip 4, pressure The sensor interface circuit 6, the main control chip 5; the capacitive touch screen body 1 is connected to the capacitive touch screen control chip 4, the thin film pressure sensor 2 is connected to the pressure sensor interface circuit 6; the capacitive touch screen control chip 4 and the pressure sensor interface circuit 6 are connected to the main The control chip 5 is connected; the film pressure sensor 2 is used to detect the touch pressure acting on the capacitive touch screen body 1, and the pressure sensor interface circuit 6 tra...
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