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What is the difference between infrared touch screen and capacitive touch screen?

by:Toponetech     2021-10-25
The difference between an infrared touch screen and a capacitive touch screen is that the infrared touch screen has a groove, which is afraid of glare. This machine is thick and heavy, but it is cheap. The capacitive screen all-in-one machine is more beautiful, lighter and thinner. It is a pure flat surface and is easy to implement. 1. Infrared touch screen: Infrared technology touch screen consists of infrared transmitting and receiving sensing elements installed on the outer frame of the touch screen. An infrared detection network is formed on the surface of the screen. Any touch object can change the infrared on the contact to realize touch screen operation. The working principle of the infrared touch screen is similar to the surface acoustic touch screen. It uses infrared transmitting and receiving sensing elements. These elements form an infrared detection network on the surface of the screen. The infrared of the electric shock can be changed by touching the operated object (such as a finger), and then converted into the coordinate position of the touch to realize the response of the operation. On the infrared touch screen, the circuit board components arranged on the four sides of the screen are infrared emitting tubes and infrared receiving tubes, corresponding to form a crisscrossed infrared matrix. 2. Capacitive touch screen: The capacitive touch screen is a special transparent metal conductive material. When a finger touches the metal layer, the capacitance of the contact changes, so the frequency of the oscillator connected to it also changes. By measuring the change in frequency, the touch position can be determined to obtain information. Since the capacitance changes with changes in temperature, humidity or grounding conditions, it has good stability and will not cause drift. The capacitive touch screen is wear-resistant, has a long life, and has low maintenance costs when used by users. Capacitive touch screens can support multi-touch technology, and unlike resistive touch screens, the response is slow and not easy to wear. Rongguan touch screen professional manufacturer customized, has a wealth of industry experience, meticulous workmanship, high quality, strict quality management system, perfect after-sales service. Welcome to inquire:.
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