What is the use of QR code?

Mobile phone QR code is the application of QR code technology in mobile phones. Two-dimensional code is a new generation of bar code technology, which uses a black and white rectangular square, and specific geometric figures are distributed on a plane (two-dimensional direction) according to certain rules to record data symbol information. It consists of a two-dimensional code matrix diagram, a two-dimensional code number and the explanatory text behind it. It has the characteristics of large amount of information, strong error correction ability, fast reading speed and all-round reading. Coding the information that the mobile phone needs to access and use into a two-dimensional code, and reading it with the camera of the mobile phone is the two-dimensional code of the mobile phone.

Application of mobile phone QR code

Bar code identification: The QR code of a mobile phone can be printed on newspapers, magazines, advertisements, books, packaging, personal business cards and other carriers. Users can scan the QR code or input the numbers and keywords under the QR code through the camera of the mobile phone, so as to realize the rapid surfing of the mobile phone, browse the web page, download pictures, texts, music and videos, obtain coupons, participate in the lucky draw and learn about enterprise product information quickly and conveniently, eliminating the tedious process of inputting the website on the mobile phone and realizing one-click Internet access. At the same time, it is convenient to identify and store business cards, automatically input short messages, obtain public services (such as weather forecast), and realize electronic map query and positioning, mobile phone reading and other functions. With the advent of 3G, QR code can provide a convenient entrance for online browsing, downloading, online video, online shopping and online payment.

The application of bar code recognition provides great convenience for users to surf the Internet by using mobile phones, saves the trouble of inputting web addresses, and can quickly access the web pages they want to see with one click, greatly improving the convenience of surfing the Internet. In addition, the application of barcode recognition also provides a way for print media, value-added service providers and enterprises to communicate with users anytime and anywhere.

On-line application of bar code identification aims to further provide users with convenient and high-quality mobile Internet services, and at the same time create a mobile phone QR code industry chain with China characteristics, and open up space for enterprises and industry applications. China Mobile is pushing mobile phone manufacturers to pre-install barcode recognition software. Mobile phone QR code, mobile phone menu and search engine are also called the three entrances to mobile phone internet access, allowing users to obtain any content at any place and through any media; At the same time, through this platform service, create value for media, enterprises and brands.