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First Claim
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1. IN A NAVIGATION SYSTEM FOR DETERMINING THE POSITION OF A VEHICLE RELATIVE A SOURCE OF ELECTROMAGNETIC RADIATIONS MOVING ALONG A KNOWN PATH SPACED APART FROM THE EARTH AND AT A KNOWN VELOCITY;
- COMPRISING A RECEIVER CARRIED BY SAID VEHICLE FOR RECEIVING SIGNALS INCLUDING SAID RADIATIONS, MEANS TO DETECT FROM SAID RECEIVED RADIATIONS THE DOPPLER MODULATIONS PRODUCED BY THE MOVEMENT OF SAID SOURCE RELATIVE SAID VEHICLE, A FREQUENCY COUNTER COUPLED TO SAID DETECTING MEANS TO DETERMINE THE FREQUENCIES OF SAID DOPPLER MODULATIONS AND RECORDING MEANS COUPLED TO THE OUTPUT OF SAID FREQUENCY COUNTER WHEREBY SAID DOPPLER FREQUENCIES ARE RECORDED AS A FUNCTION OF TIME AND
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1 Claim
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1. IN A NAVIGATION SYSTEM FOR DETERMINING THE POSITION OF A VEHICLE RELATIVE A SOURCE OF ELECTROMAGNETIC RADIATIONS MOVING ALONG A KNOWN PATH SPACED APART FROM THE EARTH AND AT A KNOWN VELOCITY;
- COMPRISING A RECEIVER CARRIED BY SAID VEHICLE FOR RECEIVING SIGNALS INCLUDING SAID RADIATIONS, MEANS TO DETECT FROM SAID RECEIVED RADIATIONS THE DOPPLER MODULATIONS PRODUCED BY THE MOVEMENT OF SAID SOURCE RELATIVE SAID VEHICLE, A FREQUENCY COUNTER COUPLED TO SAID DETECTING MEANS TO DETERMINE THE FREQUENCIES OF SAID DOPPLER MODULATIONS AND RECORDING MEANS COUPLED TO THE OUTPUT OF SAID FREQUENCY COUNTER WHEREBY SAID DOPPLER FREQUENCIES ARE RECORDED AS A FUNCTION OF TIME AND
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Current AssigneePeter C. Sandretto
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Original AssigneePeter C. Sandretto
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InventorsSandretto, Peter C.
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Application NumberUS03/857,738Time in Patent Office1,681 DaysField of SearchUS Class Current342/464CPC Class CodesG01S 11/10 using Doppler effectG01S 19/00 Satellite radio beacon posi...
