What is the difference between single touch and multi touch? Principle analysis

Lead: The rise of new smart devices such as touch-screen phones and tablets, in addition to the reasons for the birth of intelligent systems like Android and iOS, an indispensable condition is the replacement of touch screens and multi-touch technology. appear. Let's take a look at single and multi-touch and the differences between them.

What is the difference between single touch and multi touch? Principle analysis

Single touch

Single touch can only recognize and support the touch and click of one finger at a time. If more than two points are touched at the same time, the correct response cannot be made. Many hospitals, libraries, and other halls have such touch-enabled computers. Mobile phones, MP3s, and digital cameras that support touch screens also use this single-touch technology. Single touch is relative to multi-touch. Multi-touch can recognize and respond to simultaneous touches of more than one point (two, three or even more). So now some electrical industries are turning to research and application of multi-touch technology.

What is the difference between single touch and multi touch? Principle analysis

Single touch advantage

This kind of screen brings two major benefits to the user interface. First, the device design space is optimized, which is especially beneficial for small devices, because it can "install" screens and buttons simultaneously in the same area; second, because buttons can be bound to operations Any application in the system, so the device can use a "button" to reach an unlimited number. The above functions are mainly based on resistive touch screen technology and have been widely promoted in various applications such as consumer electronics, airport newsstands, grocery POS terminals and car GPS systems.

What is the difference between single touch and multi touch? Principle analysis

multi touch

Multi-touch (also known as multi-touch, multi-touch, multi-inductive, English translation for MulTItouch or MulTI-Touch) is a technology that is implemented by human-computer interaction technology and hardware devices. It can be used without traditional input devices (such as: Mouse, keyboard, etc.. Under the computer human-computer interaction. Multi-touch technology can form a touch screen (screen, desktop, wall, etc.) or trackpad, and can simultaneously accept human-computer interaction from multiple points on the screen.

What is the difference between single touch and multi touch? Principle analysis

Multi-touch advantages

In the case of traditional single-touch, multi-touch means more simultaneous operation, which means increased selectivity during operation, more convenient operation and increased operability.

In some respects, multi-touch also compensates for some of the shortcomings of single-touch, and it also improves multi-touch while replacing single-touch technology. It can abandon the traditional operating equipment, enhance the ability of human-computer interaction, and create a possibility for multi-person joint operation.

Compared with single-touch, multi-touch is superior to the aesthetic level of operation and attracts people's interest. And multi-point simultaneous operation can develop more games or software than single-point operation, providing more possibilities for the future of electronic devices.

The emergence of multi-touch technology is the result of the joint promotion of electronic products and technological innovation, and multi-touch as an upgrade or replacement of single-touch technology, making multi-touch technology replace single-touch technology has become the era inevitable choice. We choose multi-touch to make our lives more convenient. Maybe multi-touch will be replaced by new technology in the future, but we don't know it yet.

What is the difference between single touch and multi touch? Principle analysis

The difference between single touch and multi touch

The resistive screen is a touch screen with high positioning accuracy. It requires a certain pressure to touch, and requires a touch to be more precise. Therefore, it is necessary to use a pen to click. Single touch means that only one relatively small touch area can be clicked at a time. Contrary to this, another type of screen is a capacitive screen, which can touch a relatively large area with a finger, and touch operations on multiple points. The positioning requirements for the touch are not so strict, also called multi-touch.

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