Light controller and method for controlling lights

A method of estimating the occurrence of midnight on a given day comprises the steps of determining the average night length (NLAVE) by averaging the night lengths (NL) between a night starting time (NST) as determined by a photosensor and a night ending time (NET) determined by a photosensor for ea...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	Jacobs Donald H
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING
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