LIGHTING UNIT, TRAFFIC SIGNAL LIGHT LIGHTING UNIT, TRAFFIC SIGNAL CONTROL UNIT, AND ANTENNA UNIT

摘要

PROBLEM TO BE SOLVED: To provide a signal lighting unit in which an antenna is integrated as a new technological means for dispensing with providing posts for antenna installation, and for preventing the fine sight of a road from being damaged. SOLUTION: A signal lighting unit 1 is provided with an optical unit 2 and an antenna 4. The optical unit 2 is provided with an LED 7 and a cover member 9, having visible light permeability for covering the LED 7 in front. The antenna 4 is provided with antenna elements 11a and 11b, positioned in front of the front edge of the LED 7 and arranged in parallel as well as having a face along the forward and backward directions. COPYRIGHT: (C)2009,JPO&INPIT