Signal processsing apparatus
First Claim
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4. APPARATUS FOR DETERMINING THE RELATIVE TIME DISPLACEMENT BETWEEN TWO COHERENT ELECTRICAL ALTERNATING CURRENT SIGNALS COMPRISING:
- CONTROL MEANS FOR PROVIDING A REFERENCE POTENTIAL LEVEL;
FIRST MEANS RESPONSIVE TO SAID CONTROL MEANS TO PROVIDE A PULSE-LIKE OUTPUT SIGNAL EACH TIME THE FIRST OF SAID ALTERNATING CURRENT SIGNALS PASSES THROUGH SAID REFERENCE POTENTIAL LEVEL;
SECOND MEANS RESPONSIVE TO SAID CONTROL MEANS TO PROVIDE A SECOND PULSE-LIKE OUTPUT SIGNAL EACH TIME THE SECOND OF SAID TWO ALTERNATING CURRENT SIGNALS PASSES THROUGH SAID REFERENCE POTENTIAL LEVEL;
AND THIRD MEANS COUPLED TO SAID FIRST AND SECOND MEANS FOR COMBINING SAID OUTPUT SIGNALS FOR PROVIDING A RESULTANT OUTPUT SIGNAL REPRESENTING THE FREQUENCY OF OCCURRENCE OF SAID PULSE-LIKE OUTPUT SIGNALS OF BOTH SAID FIRST AND SECOND MEANS WITHIN A PRESELECTED TIME INTERVAL, SAID FREQUENCY OF OCCURRENCE BEING AN INDICATION OF THE RELATIVE TIME DISPLACEMENT BETWEEN SAID COHERENT TWO ALTERNATING CURRENT SIGNALS.
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4. APPARATUS FOR DETERMINING THE RELATIVE TIME DISPLACEMENT BETWEEN TWO COHERENT ELECTRICAL ALTERNATING CURRENT SIGNALS COMPRISING:
- CONTROL MEANS FOR PROVIDING A REFERENCE POTENTIAL LEVEL;
FIRST MEANS RESPONSIVE TO SAID CONTROL MEANS TO PROVIDE A PULSE-LIKE OUTPUT SIGNAL EACH TIME THE FIRST OF SAID ALTERNATING CURRENT SIGNALS PASSES THROUGH SAID REFERENCE POTENTIAL LEVEL;
SECOND MEANS RESPONSIVE TO SAID CONTROL MEANS TO PROVIDE A SECOND PULSE-LIKE OUTPUT SIGNAL EACH TIME THE SECOND OF SAID TWO ALTERNATING CURRENT SIGNALS PASSES THROUGH SAID REFERENCE POTENTIAL LEVEL;
AND THIRD MEANS COUPLED TO SAID FIRST AND SECOND MEANS FOR COMBINING SAID OUTPUT SIGNALS FOR PROVIDING A RESULTANT OUTPUT SIGNAL REPRESENTING THE FREQUENCY OF OCCURRENCE OF SAID PULSE-LIKE OUTPUT SIGNALS OF BOTH SAID FIRST AND SECOND MEANS WITHIN A PRESELECTED TIME INTERVAL, SAID FREQUENCY OF OCCURRENCE BEING AN INDICATION OF THE RELATIVE TIME DISPLACEMENT BETWEEN SAID COHERENT TWO ALTERNATING CURRENT SIGNALS.
- CONTROL MEANS FOR PROVIDING A REFERENCE POTENTIAL LEVEL;
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Current AssigneeEmory Lakatos
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Original AssigneeEmory Lakatos
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InventorsLakatos, Emory
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Application NumberUS03/775,297Time in Patent Office2,154 DaysField of SearchUS Class Current342/393CPC Class CodesG01S 3/46 using antennas spaced apart...
