Occupancy sensor

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An occupancy sensor is a lighting control device that detects occupancy of a space by people and turns the lights on or off automatically, using infrared or ultrasonic technology. Occupancy sensors are typically used to save energy, provide automatic control, and comply with building codes.

The FP7 S4ECoB [1] project aims to develop audio sensors to detect occupancy in public buildings and control HVAC and lighting systems accordingly.


  1. ^ http://www.s4ecob.eu/

http://www.google.com/patents/US4225808?hl=it&dq=US+Patent+No:+4,225,808#v=onepage&q=US%20Patent%20No%3A%204%2C225%2C808&f=false US Patent No: 4,225,808