Digital poster system, has display screen controlled by electronic control device by using local area network type Ethernet, and single center distributing local networks e.g. Intranet, through communication channel

摘要

The system has a display screen controlled by an electronic control device by using a local area network (LAN) type Ethernetfor receiving and displaying messages. A single center distributes local networks such as Intranet, Internet, satellite, cable through communication channel or by a local system.