As a new human-computer interaction device, touch screen is attracting more and more users and developers. It is currently the simplest and most convenient input device.
In the field of public information inquiry, in order to facilitate the operation, people use a touch screen instead of a mouse and a keyboard. The designer can design a software interface suitable for various users. The user does not need special operation knowledge, and only needs to light according to the function icon. By touching the response position on the display screen, the required operation can be realized, and the use is simple and fast, which greatly facilitates ordinary users who do not understand computer operation. This emerging approach to human-computer interaction has enabled multimedia applications to present a new look and bring a better experience to users.
In portable devices, especially mobile phone applications, by using touch screen technology, designers can completely abandon the space occupied by the digital keyboard and increase the display space of the mobile phone screen. As a result, the entertainment function of the mobile phone has been greatly improved, the developer It is able to freely play with their own ideas and bring more novel features and applications to users. The biggest feature of the touch screen mobile phone is its large screen, which can bring visual enjoyment to the user, and it reflects the characteristics of the big screen in both text and image.
This article provides a brief introduction to the basic principles of touch screens, hoping to give some help to the majority of users.
The classification and principle of touch screen
Generally, a touch screen system is composed of a touch detection sensing part and a touch screen controller. The former collects the user's touch information and transmits it to the controller. The latter processes the received information to obtain the user's touch location, and sends the location information to the host of the upper layer, and receives the control command sent by the host and carried out.
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