RADAR SENSING ROAD SIGNAL

摘要

PURPOSE: A radar sensing road sign is provided to detect objects with a radar and differentiate the information display according to time and situations through automatic flickering or programmed lighting functions of a lighting device. CONSTITUTION: A radar sensing road sign(3) has an accommodating space in which a detecting unit of an infrared sensor or radar module, a control unit of an electronic circuit, and lamps or LEDs are installed. The lamps or LEDs are automatically controlled according to detection signals of the detecting unit. The road sign comprises a solar battery(10) and a battery charger for operating without external power supply.