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The difference between capacitive touch screen and infrared touch screen of touch all-in-one machine

by:Toponetech     2021-10-24
Is the capacitive touch screen or the infrared touch screen better for the touch screen of the all-in-one machine? What is the difference between the two? Which screen to choose depends on the size of the all-in-one machine and your budget, so that the manufacturer can recommend the appropriate type for you. How do I know if the touch all-in-one has an infrared screen or a capacitive screen? It can be judged from the appearance that the entire screen of the capacitive touch all-in-one machine is flat, the same as the smart phones that everyone uses (basically all capacitive screens); while the infrared screen all-in-one machine has a border around it. The working principle of capacitive touch screen The capacitive touch screen is a transparent and relatively stable system. First of all, it must be transparent. Second, the capacitive touch screen can give the relative coordinates of our finger touch, while the mouse is a relative positioning system. The characteristic of the relative coordinate system is that the coordinates of each positioning have nothing to do with the coordinates of the last positioning. The touch screen is physically an independent coordinate positioning system, and the position of each touch is converted to the coordinates on the screen. The capacitive screen all-in-one machine is more beautiful, more beautiful, lighter and thinner. It is a pure plane, easy to achieve waterproof function, and the response speed is more sensitive. Infrared touch screen working principle The infrared touch screen is composed of infrared emitting and receiving sensing elements mounted on the outer frame of the touch screen. On the surface of the screen, an infrared detection net is formed. Any touch object can change the infrared rays on the contacts to realize the touch screen operation. There are grooves, afraid of glare, the machine is thicker and heavier, but the price is cheaper. Capacitive screens have better sensitivity and accuracy, but they are slightly more expensive and cannot be made too large. Infrared touch screen technology is mature, especially for large-size touch all-in-one machines, which are selected infrared screens and have a long life. Compared with infrared screens, capacitive screens work by human body current sensing.
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