With the increasing of multimedia information inquiry, people talk about pcap capacitive touch screens more and more, because touch screens are not only suitable for China’s national conditions of multimedia information inquiry, but also touch screens have many advantages such as sturdiness, fast response, space saving, and easy communication. Using this technology, our users can operate the host as long as they lightly touch the icons or text on the computer screen with their fingers, thus making the human-computer interaction more straightforward. This technology greatly facilitates those who do not understand computer operations. User.
In order to facilitate the operation, people use a touch screen instead of a mouse or keyboard. When working, we must first touch the touch screen installed on the front of the display with a finger or other object, and then the system locates and selects information input according to the position of the icon or menu touched by the finger. The touch screen consists of a touch detection component and a touch screen controller; the touch detection component is installed in front of the display screen to detect the user’s touch position, and then send it to the touch screen controller; and the main function of the touch screen controller is to receive touches from the touch point detection device Information, and convert it into contact coordinates, and then send it to the CPU, it can also receive the command sent by the CPU and execute it.
We can know from the working principle of the touch screen that it is the latest computer input device. It is currently the most simple, convenient and natural way of human-computer interaction. And it also gives multimedia a new look, and it is a very attractive new multimedia interactive device. The application range of the touch screen in our country is very broad, mainly for the inquiry of public information. Such as the business inquiries of the telecommunications bureau, tax bureau, bank, electric power and other departments. Information query on the streets of the city. In addition, it is used in leadership office, industrial control, military command, video games, ordering songs, multimedia teaching, real estate pre-sales, etc. In the future, touch screens will also enter the home.
With the increasing use of computers as information sources. The touch screen has the advantages of being easy to use, sturdy and durable, fast response, and saving space. More and more system designers feel that the use of touch screens does have considerable advantages. It has only been a few years since touch screens appeared on the Chinese market. This new multimedia device has not been touched and understood by many people. Including some system designers who are planning to use touch screens. They also treat the touch screen as a dispensable device.
From the perspective of the popularization of touch screens in developed countries and the stage that my country’s multimedia information industry is in. This concept also has a certain universality. In fact, a touch screen is a device that reshapes multimedia information or controls. It gives a new look to the multimedia system and is a very attractive new multimedia interactive device. The system designers in developed countries and the system designers in our country who are the first to use touch screens already know this clearly. Touch screens are no longer dispensable for computers in various application fields. It is an essential equipment. It greatly simplifies the use of computers, even for people who know nothing about computers. However, it can still be easy to come by, making the computer show more charm. It solves the problems that cannot be solved by computers in the public information market.
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