There are some significant differences between the capacitor touch screen and the resistance touch screen, which are mainly reflected in the following aspects:
Working principle: The capacitor touch screen is a layer of transparent special metal conductive substance on the glass surface. When the fingers are touched on the metal layer, the capacitor of the contact point changes, so that the frequency of the connected oscillator changes, and the contact position can be determined by the measuring frequency change. The resistance touch screen (also known as the resistance panel) is based on the principle of pressure sensing. By touching the graphic button on the screen, the touch feedback system on the screen can drive various link devices according to the pre -programmed program.
Accuracy: The theoretical accuracy of the capacitor touch screen can reach several pixels, but it will actually be limited by the contact area of the finger. The accuracy of the resistance touch screen is at least a single display pixel, which is convenient for handwriting recognition, and helps operate under the interface of small control elements.
Sensitivity: Capacitor touch screens can also activate the capacitive induction system at the bottom of the screen on the surface layer of the fingers with electricity, but non -life objects, nails, gloves, etc. are invalid. The resistance touch screen needs to be exposed to each layer of the screen with pressure. You can use your fingers (even with gloves), nails, touch pens, etc. to operate.
Resistance: The outer layer of the capacitor touch screen can be used to use glass to deal with daily rubbing and stains. The top of the resistance touch screen is soft and prone to scratches.
Multi -touch feasibility: Capacity touch screen supports multi -touch human -computer interaction methods, such as Apple iPhone, Nokia N8, Nokia E7 and other mobile phones, all use the capacitor touch screen. You can use both hands to contact the screen at the same time. The resistance touch screen does not support multi -touch, such as Nokia 5800, N97; HTC D600 S90, 5230 and other mobile phones use resistance touch screens, and only a single touch can be performed.
In summary, the capacitor touch screen and resistance touch screen each have their own characteristics and application scenarios. Users need to weigh them according to specific needs when choosing.
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