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Emergency message communication method

  • US 5,678,188 A
  • Filed: 09/13/1994
  • Issued: 10/14/1997
  • Est. Priority Date: 09/14/1993
  • Status: Expired due to Fees
First Claim
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1. An emergency communication method for communicating an emergency message using a cellular system to communicate voice and data among mobile stations in one of a plurality of service areas or terminal stations, the emergency message communication method comprising the steps of:

  • transmitting said emergency message in a mobile station of said cellular system;

    saving terminal numbers of said mobile stations in said service area of a base station in a terminal register in said base station of said cellular system;

    selecting at least one mobile station in nonemergency communication when said base station of said cellular system receives said emergency message;

    restricting talking channel communication to said at least one mobile station in nonemergency communication in said base station of said cellular system by controlling suppression of a communication data rate between said at least one mobile station in nonemergency communication and said base station;

    whereby the emergency message communication is enabled regardless of an empty talking channel shortage when said emergency message is communicated.

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