PROBLEM TO BE SOLVED: To solve the problem that snow accretion occurs at a lens in a signal device or the like using an LED as a light source.SOLUTION: Snow accretion is prevented by a lens comprising an aluminum substrate composed of an LED and a radiation fin.
【課題】LEDを光源に用いた信号機などは、レンズに着雪が生じる問題が生じた。【解決手段】 アルミ基板にLEDと放熱フィンを構成したレンズにて、着雪を防ぐ。【選択図】図3
SIGNAL DEVICE STRUCTURE WITH SNOW ACCRETION PREVENTION
着雪防止を備えた信号機構造
08.10.2015
Patent
Elektronische Ressource
Japanisch
IPC: | F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
SNOW ACCRETION PREVENTION DEVICE, AND STRUCTURE FOR PREVENTING SNOW ACCRETION ON TRAFFIC LIGHT
Europäisches Patentamt | 2017
|LED TYPE TRAFFIC SIGNAL SNOW ACCRETION PREVENTION COVER
Europäisches Patentamt | 2019
|SNOW ACCRETION PREVENTION SYSTEM FOR RAILROAD VEHICLE
Europäisches Patentamt | 2021
|