Signal responsive coding arrangement
First Claim
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1. A SIGNALLING SYSTEM FOR UNIQUELY IDENTIFYING AN OBJECT MOVABLE WITH RESPECT TO A REFERENCE POINT, COMPRISING MEANS FOR TRANSMITTING A FIRST SIGNAL FROM SAID OBJECT TO SAID POINT, SAID FIRST SIGNAL HAVING A MAGNITUDE INVERSELY PROPORTIONAL TO THE DISTANCE BETWEEN SAID OBJECT AND SAID POINT, THRESHOLD GATING MEANS LOCATED AT SAID POINT AND RESPONSIVE TO SAID FIRST SIGNAL FOR PRODUCING A SECOND SIGNAL WHEN SAID FIRST SIGNAL EXCEEDS THE THRESHOLD
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1 Claim
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1. A SIGNALLING SYSTEM FOR UNIQUELY IDENTIFYING AN OBJECT MOVABLE WITH RESPECT TO A REFERENCE POINT, COMPRISING MEANS FOR TRANSMITTING A FIRST SIGNAL FROM SAID OBJECT TO SAID POINT, SAID FIRST SIGNAL HAVING A MAGNITUDE INVERSELY PROPORTIONAL TO THE DISTANCE BETWEEN SAID OBJECT AND SAID POINT, THRESHOLD GATING MEANS LOCATED AT SAID POINT AND RESPONSIVE TO SAID FIRST SIGNAL FOR PRODUCING A SECOND SIGNAL WHEN SAID FIRST SIGNAL EXCEEDS THE THRESHOLD
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