Automatic control system of lights in a series circuit...

G - Physics – 08 – B

Patent

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G08B 5/00 (2006.01) G08G 5/06 (2006.01) H05B 37/02 (2006.01) H05B 37/03 (2006.01) H05B 39/04 (2006.01)

Patent

CA 2140759

2140759 9402919 PCTABS00030 This invention concerns an automatic control system for lights in a series circuit illumination plant, in particular lights for airport signalling or lamps for road lighting, motorway lighting or for private areas (large industrial areas). It is characterised in that it is physically distinct from the work circuit feeding the lights and galvanically separate from the latter. This system allows the lights to be switched on and off, and more importantly allows them to be switched on and off individually and not all together. This system permits one to have an always up-to-date picture of the state of operation of all the lights and is predisposed for activating alarms if necessary, or indication of breakdown for the human operator. Since all devices able to recognise and distinguish the type of vehicules which move on various airport runways and taxiways may also be connected to it, this system is proposed as a complete system for running airport ground traffic.

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