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Emergency call system using wireless, direct connect and telephone subsystems

  • US 20020145514A1
  • Filed: 04/02/2002
  • Published: 10/10/2002
  • Est. Priority Date: 04/04/2001
  • Status: Active Grant
First Claim
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1. An emergency call system comprising:

  • a data bus;

    a bus controller operatively connected to said data bus for controlling data access on the data bus and at least one of;

    a wireless device module operatively connected to said data bus for receiving and passing alarm signals onto the data bus from a premises based wireless subsystem having at least one wireless receiver operatively connected to said wireless device module that receives wireless alarm signals from wireless devices;

    a direct connect module operatively connected to said data bus for receiving and passing alarm signals onto the data bus from a premises based direct connect subsystem having wired stations and/or sensors wired to said direct connect module, said wired stations and/or sensors generating alarm signals thereto; and

    a telephone module operatively connected to said data bus and a telephone network for receiving and passing alarm signals onto said data bus and/or to a wireless staff phone from a premises based telephone that is operatively connected to said telephone network such as to forward alarm signals from said telephone through said telephone network and to said telephone module.

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