| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a marker lamp system capable of easily securing a power supply route to an electric appliance separate from that to a light source of the system, and performing independent driving control of the appliance. <P>SOLUTION: The marker lamp system 11 is provided with marker lamps 12, and an insulating transformer 14 as well as a power supply device 15 arranged in a hand hole 18. Each marker lamp 12 is equipped with a light source 30 and a lighting circuit 32 for lighting up the light source 30 as well as an electric appliance 33. The insulating transformer 14 converts a primary-side power source from a constant current control device 13 into a secondary-side power source to supply to the lighting circuit 32 of the marker lamp 12. The power supply device 15 supplies power to the electric appliance 33 of the marker lamp 12. <P>COPYRIGHT: (C)2013,JPO&INPIT |
