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First Claim
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1. A NAVIGATION SYSTEM, COMPRISING, AN ARTIFICIAL EARTH SATELLITE TRAVELLING IN AN ORBIT OF KNOWN PARAMETERS, A RADIO TRANSMITTER LOCATED ABOARD SAID SATELLITE FOR BROADCASTING DOPPLER SIGNALS, MEANS AT AN UNKNOWN LOCATION FOR RECEIVING AT PREDETERMINED TIMES SAID DOPPLER SIGNALS, A COMPUTING DEVICE AT SAID UNKNOWN LOCATION, AND MEANS FOR INSERTING INTO SAID COMPUTING DEVICE SAID DOPPLER SIGNALS, SAID ORBITAL PARAMETERS AND THE TIME OF RECEPTION OF SAID SIGNALS, FIG-01 SAID COMPUTING DEVICE BEING PROGRAMMED TO COMPUTE THE GEOGRAPHIC COORDINATES OF THE UNKNOWN LOCATION BY AN ANALYSIS OF SAID RECEIVED DOPPLER SIGNALS, THE ORBITAL PARAMETERS OF THE SATELLITE AND THE TIME OF RECEPTION OF SAID DOPPLER SIGNALS.
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1 Claim
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1. A NAVIGATION SYSTEM, COMPRISING, AN ARTIFICIAL EARTH SATELLITE TRAVELLING IN AN ORBIT OF KNOWN PARAMETERS, A RADIO TRANSMITTER LOCATED ABOARD SAID SATELLITE FOR BROADCASTING DOPPLER SIGNALS, MEANS AT AN UNKNOWN LOCATION FOR RECEIVING AT PREDETERMINED TIMES SAID DOPPLER SIGNALS, A COMPUTING DEVICE AT SAID UNKNOWN LOCATION, AND MEANS FOR INSERTING INTO SAID COMPUTING DEVICE SAID DOPPLER SIGNALS, SAID ORBITAL PARAMETERS AND THE TIME OF RECEPTION OF SAID SIGNALS, FIG-01 SAID COMPUTING DEVICE BEING PROGRAMMED TO COMPUTE THE GEOGRAPHIC COORDINATES OF THE UNKNOWN LOCATION BY AN ANALYSIS OF SAID RECEIVED DOPPLER SIGNALS, THE ORBITAL PARAMETERS OF THE SATELLITE AND THE TIME OF RECEPTION OF SAID DOPPLER SIGNALS.
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Current AssigneeFrank T. Mcclure
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Original AssigneeFrank T. Mcclure
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InventorsMcclure, Frank T.
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Application NumberUS04/379,058Time in Patent Office246 DaysField of SearchUS Class Current342/451CPC Class CodesG01S 11/10 using Doppler effectG01S 19/00 Satellite radio beacon posi...
