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SECURITY AND ENERGY CONTROL SYSTEM

  • US 20030227220A1
  • Filed: 11/01/2002
  • Published: 12/11/2003
  • Est. Priority Date: 08/04/2000
  • Status: Active Grant
First Claim
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1. A presence detection and control system comprising:

  • a card reader for generating an identification (ID) code in response to detecting an ID card;

    a motion sensor for generating a motion signal in response to detecting motion in a field of view of the motion sensor;

    a temperature sensor for generating a temperature signal based on a temperature detected thereby;

    a radio transmitter for generating at least one radio control signal based on the ID code, the motion signal and/or the temperature signal;

    a first relay connected between an energy source and an energy consumption device;

    a first radio receiver responsive to a first radio control signal from the radio transmitter for causing the first relay to connect the energy source to the power consumption device;

    means for conveying a message on a communication line; and

    a second radio receiver responsive to a second radio control signal from the radio transmitter for causing the conveying means to convey the message on the communication line.

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