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There are 3 mainstream touch screen technologies

Author:admin Time:2017-07-01

The European Union briefly describes touch screen technology in its quest to change the complex control actions of users into intuitive, convenient and productive experiences.

Figure FOG machine Golden League
Let the visual and tactile completely consistent it sounds simple, but it is tantamount to a profound technological breakthrough, it will completely change the user and the electronic products in an interactive way, so some people refer to this as the user interface of the revolution. The transparent nature of touch screens allows users to directly touch different content on the display screen, and people sigh about such user interface design. Because users no longer have to find electronic equipment around this or that button, such as a computer mouse or keyboard or on the mobile phone keypad, but directly with the curing equipment in "brain" (i.e. the operating system) application interaction. This is a revolutionary change that allows users to directly control powerful operating systems and applications, all at the fingertips of the user. Of course, we can access the application on the computer screen using the mouse and the tracking board, but this manipulation is not directly touching the screen, and can not integrate the user with the screen and the embedded applications. In fact, we can use the touch screen with all kinds of gestures or gestures we can imagine to make the screen vivid and interactive simply by touching the eyes. At present, there are three main types of touch screen: single touch, multi touch, finger direction, multi touch, finger position.
First, single touch screen
The development of touch screen is simple and complex. The initial product only supports the simplest manipulation. It is a finger touching the screen to realize the manipulation. For example, we operate at the POS terminal of the attached supermarket every day or at the check-in terminal at the airport. Previously, we had to operate only through mechanical buttons around the screen, and a single touch screen made a major progress in the user interface. Of course, the mechanical model and capacitive touch sensing button is omnipresent in our homes, offices and other places: mobile phone, fixed telephone, remote control, TV, computer and peripheral equipment, game machine, refrigerator, microwave oven, oven, and radio and air conditioning vehicle electronic control equipment etc..
This screen user interface to bring two benefits, one is equipment design space has been optimized, especially for small devices, because it can be in the same area at the same time the "Install" button and the screen; two is due to the application of any button can bind to the operating system, so the equipment using the "button" can achieve unlimited multiple. The above functions are mainly built on the basis of resistive touch screen technology. It has been widely used in consumer electronics products, airports, kiosks, grocery stores, POS terminals and vehicle GPS systems.
Second, multi touch identification of finger direction
Although the single point touch screen and resistive touch screen technology is amazing and revolutionary, but it still has two disadvantages, one is physical movement depends on the resistive touch screen technology, although the impact is not big, but after the aging of normal wear, the performance will drop; two is this technology supports only a single point touch is one can only use one finger to do a single action in a certain area of the screen. Why is the interaction between the user and the device confined to one finger? The Apple Corp has made an invaluable contribution to the user interface revolution, with its introduction of the iPhone using an inductive capacitive touch screen. Even in small devices such as smart phones, multiple fingers are needed to achieve the best availability in order to give full play to the capabilities of the application and operating system. Because of the Apple Corp, the user has now it is hard to imagine the past is how gestures do not support the two fingers in the case, such as the following picture zoom is shown in Figure 2, and the album, "in view of the range changes related to the operation of the.
The other is a variety of devices and systems technology innovators continue to use this multi touch technology, including Google G-1 and Blackberry Storm smart phones, MacBook Pro and HP TouchSmart desktop and notebook computer, portable media player and a variety of other applications. Now, users have new expectations, and hope to further improve the interaction of users and their electronic products, all kinds of electronic products are also scrambling to achieve this new user requirements.
Third, multi touch screen - identify finger positions
As with a single touch screen, one of the limitations of the multi touch screen that identifies the direction of the finger is the limited number of points at the same time that the technique can be recognized on the screen. Why do you only recognize two operating points at a time? The user's two hands have ten fingers, and when the user interact with each other, more fingers appear on the screen. This is the origin of the multi touch concept for finger position, which allows manipulation of more than two fingers.
Cypress calls this technology "multi touch touch zone input", which further enhances the reliable availability of touch screens and meets the needs of a wide variety of features. Reliability refers to the ability to accurately capture the raw data of all the contacts on the screen at the highest possible granularity, and to minimize the confusion caused by the inaccurate positioning of the screen contacts. Availability refers to many powerful applications that benefit from the ability to manipulate screens with hands or two fingers above the screen of different sizes. 3D interactive games, keyboard input and map manipulation are all used

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