Light signaling device related to the operating state of a...

Electric lamp and discharge devices: systems – Automatic substitution of the load device or electrode – Plural load devices with selective substitution of load...

Reexamination Certificate

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Details

C315S129000, C315S130000, C315S131000, C315S18500S, C315S291000, C315S307000, C315S308000

Reexamination Certificate

active

06917164

ABSTRACT:
A light signaling device related to the operating state of a system has at least one light and circuits of detection of a failure of this or these lights, in which each light comprises m branches in parallel each composed of n light emitting diodes in series, and a branch selector; where m and n are integers such that m≧2 and n≧1. This invention also relates to a process for management of such device.

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