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Stock locator system using GPS translator

  • US 5,512,902 A
  • Filed: 04/18/1994
  • Issued: 04/30/1996
  • Est. Priority Date: 04/18/1994
  • Status: Expired due to Term
First Claim
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1. In a global positioning system (GPS) including satellites orbiting the earth and transmitting positional information signals, a system for locating a lost article comprising:

  • a mobile encoder transmitter/receiver device for transmitting a coded identification signal specifically corresponding to an identification number associated with a particular lost article,a decoder transmitter/receiver device affixed to said particular lost article, said decoder transmitter/receiver device being activated in response to said coded identification signal from said mobile encoder transmitter/receiver device to receive positional information signals from said GPS and to re-transmit said positional information as alternate, frequency shifted GPS positional information signals,wherein said mobile encoder transmitter/receiver device receives said alternate, frequency shifted GPS positional information signals re-transmitted from said decoder transmitter/receiver device and said positional information signals from said GPS to determine the position of said particular lost article.

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