Displacement measuring device
First Claim
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2. A DISPLACEMENT MEASURING DEVICE COMPRISING TWO RELATIVELY MOVABLE MEMBERS, CONDUCTING MEANS MOUNTED ON ONE OF SAID MEMBERS AND COMPRISING A TRANSMISSION LINE HAVING PARALLEL SEGMENTS CONNECTED IN SERIES, SIGNAL INPUT MEANS FOR DRIVING SAID CONDUCTING MEANS, AND CIRCUIT MEANS MOVABLE WITH THE OTHER OF SAID MEMBERS TRANSVERSELY OF SAID SEGMENTS AND ELECTRICALLY COUPLED TO SAID SEGMENTS TO OBTAIN AN OUTPUT SIGNAL CHANGING IN PHASE WITH RESPECT TO SAID INPUT SIGNAL IN PROPORTION TO THE MECHANICAL DISPLACEMENT BETWEEN SAID MEMBERS, THE FREQUENCY OF SAID SIGNAL INPUT MEANS BEING SUCH THAT ONE WAVE LENGTH ALONG SAID TRANSMISSION LINE WILL EFFECTIVELY BE JUST EQUAL TO, OR A SUBMULTIPLE OF, THE LENGTH OF SAID CIRCUIT MEANS.
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2 Claims
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2. A DISPLACEMENT MEASURING DEVICE COMPRISING TWO RELATIVELY MOVABLE MEMBERS, CONDUCTING MEANS MOUNTED ON ONE OF SAID MEMBERS AND COMPRISING A TRANSMISSION LINE HAVING PARALLEL SEGMENTS CONNECTED IN SERIES, SIGNAL INPUT MEANS FOR DRIVING SAID CONDUCTING MEANS, AND CIRCUIT MEANS MOVABLE WITH THE OTHER OF SAID MEMBERS TRANSVERSELY OF SAID SEGMENTS AND ELECTRICALLY COUPLED TO SAID SEGMENTS TO OBTAIN AN OUTPUT SIGNAL CHANGING IN PHASE WITH RESPECT TO SAID INPUT SIGNAL IN PROPORTION TO THE MECHANICAL DISPLACEMENT BETWEEN SAID MEMBERS, THE FREQUENCY OF SAID SIGNAL INPUT MEANS BEING SUCH THAT ONE WAVE LENGTH ALONG SAID TRANSMISSION LINE WILL EFFECTIVELY BE JUST EQUAL TO, OR A SUBMULTIPLE OF, THE LENGTH OF SAID CIRCUIT MEANS.
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Current AssigneeSearle G. Nevius
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Original AssigneeSearle G. Nevius
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InventorsNevius, Searle G.
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Application NumberUS04/220,586Time in Patent Office1,387 DaysField of SearchUS Class Current340/870.32CPC Class CodesG01D 5/22 differentially influencing ...
