| 摘要 |
PURPOSE: A system for expressing the letters for a vehicle using the Internet is provided to mutually share the diverse information with the occupants of each vehicle by transmitting a DB to a wireless terminal of the vehicle through the wireless Internet and expressing the DB through a letters electric signboard. CONSTITUTION: An Internet main server(2) is programmed to control the DB transmitting to a main computer. A receiving part of a mobile communication network base station receives the DB transmitted from the main server. A transmitting part(6) of the base station transmits the received DB through the wireless mode by comparing the target vehicle and a transmission method. A vehicle wireless terminal is installed to each vehicle in order to receive the DB transmitted through the wireless mode. An electric sign board controller compares the DB received from the vehicle wireless terminal and sends the expressing method to the electric signboard after converting the received DB into a fixed electronic signal. The electric signboard expresses the letters by operating each LED according to the sent electronic signal. |
