Airport navigation light unit and airport navigation light...

G - Physics – 08 – G

Patent

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G08G 5/06 (2006.01)

Patent

CA 2519455

An airport navigation light unit (2) wherein connection elements (8) for supply lines (3), a lighting device (9), a sensor device (10), a switching device (11) and a communication device (12) are provided in a base body (7). The switching device (11) and the communication device (12) are connected to the connection elements (8). The communication device switches the switching device (11), according to control signals which are transmitted via the supply lines (3), which switches the lighting device (9) on to the connection elements (8). The sensor device (10) detects a state prevailing outside the airport navigation light unit (2) and transmits it to the communication device (12) which determines a useful signal (N) therefrom which it feeds to the supply lines (3). The control signals (S) and the useful signal (N) are transmitted as OFDM signals via the supply lines (3). An airport navigation light system comprises a plurality of said airport navigation units (2).

Selon l'invention, un corps de base (7) d'une unité de balisage d'aéroport (2) comprend des éléments de connexion (8) destinées à des lignes d'alimentation (3), un dispositif d'éclairage (9), un dispositif de détection (10), un dispositif de commutation (11) et un dispositif de communication (12). Le dispositif de commutation (11) et le dispositif de communication (12) sont reliés au moyen des éléments de connexion (8). En fonction de signaux de commande (S) transmis par l'intermédiaire des lignes d'alimentation (3), le dispositif de communication (12) réalise la commutation du dispositif de commutation (11), et ainsi, le dispositif de commutation connecte le dispositif d'éclairage (9) aux éléments de connexion (8). Le dispositif de détection (10) détecte une condition qui règne à l'extérieur de l'unité de balisage d'aéroport (2), et la transmet au dispositif de communication (12). Celui-ci en déduit un signal utile (N) qu'il fournit aux lignes d'alimentation (3). Les signaux de commande (S) et le signal utile (N) sont transmis en tant que signaux OFDM par les lignes d'alimentation (3). Un système de balisage d'aéroport présente un certain nombre d'unités de balisage d'aéroport (2) de ce type.

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