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Automatic control system for security apparatus based on the presence of a user

  • US 6,331,816 B1
  • Filed: 11/06/2000
  • Issued: 12/18/2001
  • Est. Priority Date: 04/09/1998
  • Status: Expired due to Fees
First Claim
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1. An automatic control system for a security apparatus, comprising a portable transmitter unit and a receiver and control unit to be placed in a monitored space or target and provided with a processor for processing the received data and with control outputs for connecting the security apparatus in a data transmission contact with communication and/or alarm equipment, characterized in that the transmitter unit supplies the receiver and control unit with messages indicating the presence of a user, that the receiver and control unit is provided with a detector which detects the opening of a door, and that the processor has a software which uses said presence message and the indication of a door being opened to compile information about whether the user is going out or coming in, and that the receiver and control unit automatically switches on a burglar monitor placed in a monitored space, as the receiver and control unit has verified that the user has left the monitored space.

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