Let me introduce you today.How does the interactive whiteboard realize the screen projection function with mobile phones and computers

From the appearance, we can see that the size of the smart picture frame screen in the art exhibition hall is similar to that of the advertising machine. There are two completely different commercial display products, which are very different in practical applications and functions.

Now, most of the advertising machines we usually see are single-screen. However, there are also dual-screen advertising machines on the market, that is, the two screens are set on the same plane, and the space volume of this kind of equipment is relatively large.

The elevator projection advertising machine is installed in the elevator car with a professional miniature. It works by installing a set of projection equipment in the elevator.

Wall-mounted advertising machine is a brand-new media concept, which refers to the multimedia that releases business, financial and entertainment information through large-screen terminal display devices in large shopping malls, supermarkets, hotel lobbies, restaurants, cinemas and other public places where people gather. Professional audiovisual system.

Since 2010, more and more government agencies have started to use the touch inquiry machine to facilitate private business