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Signalling device and communications system

  • US 20030034881A1
  • Filed: 09/16/2002
  • Published: 02/20/2003
  • Est. Priority Date: 04/06/2000
  • Status: Active Grant
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1. An emergency signalling device comprising a transmitter adapted to transmit a time setting signal to a remote monitoring station, and setting means for selectively setting a time for a timer to initiate communication of an emergency signal for reception by an emergency authority.

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