×

A PRESENCE DETECTION SYSTEM AND A LIGHTING SYSTEM

  • US 20130200254A1
  • Filed: 10/20/2011
  • Published: 08/08/2013
  • Est. Priority Date: 10/27/2010
  • Status: Abandoned Application
First Claim
Patent Images

1. A presence detection system for detecting a living being within an area comprising at least two zones, the system comprising:

  • at least two light sources each of them having a different predefined spectrum, a first spectrum and a second spectrum, and each of them radiating light in a different zone, andat least two sensing means sensitive to light of the first predefined spectrum and the second predefined spectrum respectively, wherein each of the sensing means is arranged for detecting light reflected from the living being if present in the zone of the area and for generating a presence signal based on detected light,a processor device for concluding the presence of the living being within the area based on the presence signals.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×