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Storage, transmission, communication and access to geographical positioning data linked with standard telephony numbering and encoded for use in telecommunications and related services

  • US 5,727,057 A
  • Filed: 12/27/1994
  • Issued: 03/10/1998
  • Est. Priority Date: 12/27/1994
  • Status: Expired due to Term
First Claim
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1. A telecommunication system for use with a plurality of user devices operated to receive global positioning system (GPS) location identifier signals representative of the current location of the user device and operated to periodically transmit such GPS location identifier signals to said telecommunication system and operated to transmit a querried user device directory number to said telecommunication system when operating as a querrying user device, said telecommunication system also being for use with a plurality of user devices not operated to receive GPS location identifier signals, said telecommunication system comprising:

  • data storage means operated to store a plurality of predetermined directory numbers, each associated with a particular user device, and further operated to store a GPS location identifier associated with the directory number of the user device transmitting the corresponding GPS location identifier signal, and further operated to store a predetermined location identifier associated the directory number of each of a plurality of user devices that do not transmit GPS location identifier signals;

    data processing means connected between said data storage means and said user devices;

    said data processing means being operated in response to said querried directory number to retrieve the location identifier of said querried directory number, from said storage means and transmit it to said querrying user device.

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