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Count three touch-screen human-computer interaction who is the most
Date:13/11/26 Hist:4468

Touch screen appears , narrowing the distance between people and digital products , through the fingers or a " pen" can be handwritten input, run the application , such as the operation of the terminal on the screen , people become computer interaction more direct and convenient. As people on the deepening of the digital product applications , the demand for touch screen operation also deepen from portable to pursue the original handwriting of the "real" handwriting . And as the current mainstream capacitive , resistive touch screen, and a new electromagnetic touch screen , in the realization of human-computer interaction in this process who is the most "real" ?
 
As currently used in digital products in the three touch screen, resistive touch screen is the first to appear . The main by a film , glass, and are coated on one surface adjacent to some of the ITO coating composition . When the touch operation , the film will be exposed to the lower ITO glass upper ITO, a corresponding electrical signal via the outgoing sensor, converted to the processor circuit , through the operation on the screen into the X , Y values ??to complete text input , tap and other operations. Resistive screen with a high accuracy , high sensitivity , support for stylus , etc., but because they do not support multi-touch, and can not be a true record of the original handwriting handwritten application , so the application is currently decreasing . As a rising star and has remained the mainstream capacitive touch screen , the principle is affixed a layer of transparent conductive material in a special metal glass surface. When the fingers touch the metal layer , the contact will change the capacitance so that the frequency of the oscillator connected thereto is changed , the frequency change can be determined by measuring the touch position information obtained . Capacitive screen supports multi-touch, high transmittance , light, environmental adaptability , but the accuracy is limited, the sensitivity can not meet the needs of the original handwriting handwriting , so the best choice is not the same original handwriting "real" handwriting . Although capacitors, resistors is the current mainstream market , and many hardware and software vendors are also a variety of ways , so that the capacitance , resistance screen to achieve the original handwriting of the "real" handwriting input, but two kinds of touch screen technical flaws , can not percentile hundred perfect realization of each person
 
 

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