 Extronic at "Light+building" trade fair in Frankfurt!
15 to 20 April 2012!
More information here
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 Don't miss our movie gallery!
New movies are added frequently.
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Presence detection has been the foundation of our business for 34 years. We initially specialized in burglar alarms. In the 1980s we began to transfer our skills in presence detection into new areas,
primarily the control of lighting, fans, etc., by means of presence
detection.
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One of our patents is for the acoustic detector that
solves many problems in presence detection. This also became an
important component in our dynamic lighting concept for premises that
have frequent brief visits, such as stairways, garages, corridors,
storage areas, changing rooms, etc. This innovation can reduce energy
wastage by 80–90 percent.
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Hem 
