Custom 7 or 15 Inch Resistive Touch Screen Wholesalers Factory

2019-08-10

7 or 15 Inch Resistive Touch Screen

With the development of mobile Internet and mobile payment, offline stores and online stores gradually integrate to form a closed-loop business ecology, forcing merchants to upgrade store management. As the key entrance of online and offline integration, intelligent cash register is one of the necessary hardware for stores. At present, smart cash registers on the market are trying their best to be close to mobile phones in operation experience, and can be directly operated by touching the screen.


The commonly used screen of cash register is divided into 5 types: resistive type, capacitive type, surface acoustic type, optical type and infrared type. Currently, resistive screen and capacitive touch screen are mainly used in the market.


15 Inch Resistive Touch Screen Wholesalers

The structure and working principle of the resistance touch screen: simply speaking, the resistance screen is divided into two layers, which are separated by isolators. When the two layers collide, the current affects them, and the chip reacts by calculating the data between the forces and the current to determine where the screen is pressurized.


7 Inch Resistive Touch Screen Factory

Because resistive screens require two layers to collide before they react. Therefore, when two points are pressed at the same time, the pressure on the screen becomes unbalanced, which can easily lead to errors in touch control. This also results that the resistance screen is difficult to achieve multi-touch, even if the multi-touch is achieved through technical means, the sensitivity is not easy to adjust, often A point is sensitive, while B point brings dull phenomenon. In addition, since the resistance touch screen needs a certain amount of pressure, which will easily cause the surface material wear after a long time, or the two layers lose elasticity to cause poor contact problems, which will also affect the normal service life of the product.


Custom Resistive Touch Screen

In fact, the capacitor screen and the resistor screen have two layers, but the difference is that the capacitor screen uses the lower layer to send signals to the upper layer. When the upper layer is contacted by the conductor, the lower layer can receive messages and make calculations. Therefore, the two layers of screens do not need to contact directly, and only through the information received by the lower layer can determine the position of finger contact.


Because of this, capacitive screens can not only support multi-touch at the same time, but also greatly improve the sensitivity of touch. Since the human body is a conductor itself , capacitive screens react instantly when a finger touches them. In contrast, as a cash register with high frequency, capacitor screen can better meet the needs of efficient cashier in stores.


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