Illuminated sign for traffic control and method for...

Communications: electrical – Traffic control indicator

Reexamination Certificate

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Details

C340S931000, C340S331000, C340S641000, C340S691800, C340S815450, C315S20000A, C315S307000, C315S309000

Reexamination Certificate

active

07129856

ABSTRACT:
An illuminated sign is for traffic control, in particular for road traffic, and includes light sources for generation of the sign and a monitoring device for functional monitoring of the light source. The light sources are embodied as light diodes and the monitoring device is embodied as a device for the limited current loading of the light diodes. The functional monitoring of said sign can be achieved with reasonable technical requirements in both the deactivated and activated state thereof.

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