DISTANCE ESTIMATION USING SPLIT BEAM LUMINAIRE

The invention relates to a method for determining a distance from a sensor to a luminaire. The luminaire includes at least a first light source configured to emit a first light beam adapted to illuminate a predefined area and a second light source configured to emit a second light beam adapted to il...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PASVEER, Willem Franke, DINGEMANS, Antonius Petrus Marinus, VISSENBERG, Michel Cornelis Josephus Marie
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The invention relates to a method for determining a distance from a sensor to a luminaire. The luminaire includes at least a first light source configured to emit a first light beam adapted to illuminate a predefined area and a second light source configured to emit a second light beam adapted to illuminate a background area surrounding the predefined area. The sensor, which could e.g. be included within another luminaire, is configured to detect a back-reflected first light beam and a back-reflected second light beam. The method includes determining the distance from the sensor to the luminaire based, at least partially, on a comparison of information indicative of a signal strength of the detected back-reflected first light beam and information indicative of a signal strength of the detected back-reflected second light beam.