H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 33/08 (2006.01) G01R 31/28 (2006.01) G09G 3/00 (2006.01) H05B 37/03 (2006.01)
Patent
CA 2457620
An illuminated sign for traffic control, in particular for road traffic, which comprises light sources for generation of the sign and a monitoring device for functional monitoring of the light source, whereby the light sources are embodied as light diodes (LED) and the monitoring device is embodied as a device for the limited current loading of the light diodes (LED). The functional monitoring of said sign can be achieved with reasonable technical requirements in both the deactivated and activated state thereof.
L'invention concerne un signal lumineux destiné à la commande du trafic, notamment du trafic routier, comportant des sources lumineuses destinées à produire un signal, et un dispositif de contrôle destiné à contrôler le fonctionnement des sources lumineuses. Selon l'invention, les sources lumineuses sont conçues sous forme de diodes électroluminescentes (LED) et le dispositif de contrôle est destiné à délivrer un courant électrique réduit aux diodes électroluminescentes (LED). Le fonctionnement dudit signal lumineux peut être contrôlé à l'état de marche ou d'arrêt avec des moyens techniques raisonnables.
Hering Bernhard
Schierjott Rudolf
Treffer Gerhard
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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