QR code

QR code is a very popular encoding method on mobile devices. Here is a detailed introduction about QR codes:

Definition and Characteristics:

QR code, also known as Quick Response Code, was invented by Denso Corporation in Japan in 1994.
It can store more information than traditional barcodes and represent multiple data types.
QR codes use specific geometric shapes and patterns to record data information on a two-dimensional plane, which is automatically recognized by image input devices.
Application and Function:

QR codes have been widely used in scenarios such as product information inquiry, social friend interaction, and network address access.
In advertisements, QR codes become the focus because they provide a quick way to access brand websites and increase conversion rates by 4.
Users can also generate and print their own QR codes for others to scan and use, achieving fast information transmission.
The convenience and efficiency of QR codes make them an indispensable part of modern life