Smart Capacitor Large Size Multi-touch Screen

Smart Capacitor Large Size Multi-touch Screen

The capacitive touch screen is constructed by plating a transparent film layer on the glass screen and adding a protective glass to the conductor layer. The double glass design completely protects the conductor layer and the inductor. The capacitive touch screen is plated with narrow electrodes...

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The capacitive touch screen is constructed by plating a transparent film layer on the glass screen and adding a protective glass to the conductor layer. The double glass design completely protects the conductor layer and the inductor.
The capacitive touch screen is plated with narrow electrodes on all four sides of the touch screen to form a low voltage alternating electric field in the conductive body. When the screen is touched, due to the electric field of the human body, a coupling capacitor is formed between the finger and the conductor layer, and the current from the four electrodes flows to the contact, and the current intensity is proportional to the distance from the finger to the electrode, and the controller located behind the touch screen is The ratio and strength of the current are calculated to accurately calculate the position of the touch point. The dual glass of the capacitive touch screen not only protects the conductors and sensors, but also effectively prevents external environmental factors from affecting the touch screen. Even if the screen is stained with dirt, dust or oil, the capacitive touch screen can accurately calculate the touch position.

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