To provide a mobile object approach prevention system which clearly indicates a path of an overhead transmission line without being attached to the overhead transmission line, emits light when an alert needs to be given thereby achieving alerting effects without affecting scenery of surrounding areas.
A mobile object collision prevention system includes: linear light emitting means 20 stretched between multiple supporting objects 101 and having multiple light sources 23 in a longitudinal direction; signal reception means 41 placed in each supporting object and receiving a radio signal from transmission means 30 mounted on a mobile object 103; light emitting control means 40 placed in each supporting object and controlling light emission of the light emitting means when the signal reception means receives the radio signal; power sources 47, 49 operating the signal reception means, the light emitting means, and the light emitting control means.
| JPS60134711 | DETACHABLE BUOY STRUCTURE |
| WO/2020/108321 | LASER INSTRUMENT FOR REMOVING FOREIGN MATTER FOR TRANSMISSION LINE |
MIYAKE YUKIO
NAGAYAMA KOICHI
ISHIGA KAZUHIRO
Ogawa Yayoi
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