How to choose a self-service terminal screen?
When you need a self-service terminals, for the screen is a choice is not open around the topic. An appropriate touch screen can not only make users get a better experience, can greatly reduce the operators to maintain pressure. The self-service terminal market of touch-screen is multifarious, how to select the most appropriate touch screen, for many people who want to purchase self-service terminals of a big puzzle. Today, information technology to bring us information about self-service terminals. Until today in development of touch screen technology has spawned many kinds, with its principle, the mainstream of the touch screen can be divided into three categories: capacitive touch screen, resistive touch screen, infrared touch screen, and surface acoustic wave touch screen, touch screen, optical imaging type electromagnetic induction type touch screen and so on. The following information is for you to explain the principle and characteristics of several kinds of touch screen. 1 resistive touch screen, resistive touch screen is composed of multilayer composite films, when one finger on the screen, the membrane deformation makes the circuit connected to the four corners of the screen to produce current, system depending on the size of the four current determine the person's contact, so as to give feedback. 2, the structure of the capacitive touch screen capacitive touch screen is coated with a layer of transparent film on the glass screen conductor layer, and then in the conductor layer and a protective glass, double glass design can completely protect the conductor layer and the sensor. When the fingers on the metal layer, the electric field due to the human body, the user and the touch screen surface formed by a coupling capacitance, for high frequency current, capacitance is directly conductor, so the fingers from the point of contact suck a small current. The current points out don't touch screen in the four corners of the electrode, the four electrodes and the current is proportional to the finger to the four corners, the controller based on the four current ratio of precise calculation, it is concluded that the location of the touch point. 3, infrared touchscreen infrared touch screen is the use of X, Y direction with infrared matrix to detect and locate the user's touch. Infrared touch screen in front of the display to install a circuit board frame, circuit boards and around the screen configuration infrared transmitting tube and infrared receiving tube, one to one correspondence into bearing cross infrared matrix. Users in the touch screen, the finger will block after the location of the relation of two infrared, accordingly can determine the location of the touch point on the screen. The above is the working principle of the three kinds of common touch screen when you select the self-service terminals, can choose according to their own need to go to the terminal screen configuration. When you don't know whether their needs what kind of screen, might as well call the company, our salesman will according to your actual situation, choose the optimal configuration for you. If you have any other questions about self-service terminals of choose and buy, also please call consulting company.
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