| 摘要 |
PURPOSE: An LED advertising board for vehicle is provided to maximize advertising effects by differently setting advertising pictures by regional groups. CONSTITUTION: An LED screen(10) outputs an image. A sub control board(11) transmits an image signal to the LED screen. A main control board(13) transmits image data and a control signal to the sub control board. A wireless access point device(15) transceives an electrical signal with the main control board. The wireless access point device transmits the data to the outside. An illumination detecting sensor(17) senses external illumination. An interface(19) receives the electrical signal from the illumination detecting sensor. A control power unit(14) distributes power to the sub control board and main control board. [Reference numerals] (10) LED screen; (11) Sub control board; (12) Display power unit; (13) Main control board; (14) Control power unit; (15) Wireless access point device; (19) Interface; (AA) Inside; (BB) Outside; (CC) Illuminance detecting sensor; (DD) DC 24V power supply
|
