Force measuring device
First Claim
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11. A DEVICE FOR MEASURING AN APPLIED FORCE COMPRISING A PAIR OF VIBRATING WIRES UNDER TENSION EACH DISPOSED IN A MAGNETIC FIELD FOR GENERATING A SIGNAL, MEANS FOR VIBRATING THE WIRES AT THE SAME FREQUENCY, MEANS FOR VARYING THE TENSION OF ONLY ONE OF THE VIBRATING WIRES IN RESPONSE TO AN APPLIED FORCE TO CHANGE THE NATURAL FREQUENCY OF THE WIRE AND THE RELATIVE SIGNALS GENERATED BY THE WIRES WITHOUT CHANGING THE RELATIVE VIBRATING FREQUENCY OF THE WIRES, AND MEANS FOR COMPARING THE SIGNALS GENERATED BY THE WIRES TO PROVIDE AN OUTPUT CORRESPONDING TO THE APPLIED FORCE.
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11 Claims
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11. A DEVICE FOR MEASURING AN APPLIED FORCE COMPRISING A PAIR OF VIBRATING WIRES UNDER TENSION EACH DISPOSED IN A MAGNETIC FIELD FOR GENERATING A SIGNAL, MEANS FOR VIBRATING THE WIRES AT THE SAME FREQUENCY, MEANS FOR VARYING THE TENSION OF ONLY ONE OF THE VIBRATING WIRES IN RESPONSE TO AN APPLIED FORCE TO CHANGE THE NATURAL FREQUENCY OF THE WIRE AND THE RELATIVE SIGNALS GENERATED BY THE WIRES WITHOUT CHANGING THE RELATIVE VIBRATING FREQUENCY OF THE WIRES, AND MEANS FOR COMPARING THE SIGNALS GENERATED BY THE WIRES TO PROVIDE AN OUTPUT CORRESPONDING TO THE APPLIED FORCE.
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Current AssigneeJoel D. Peterson
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Original AssigneeJoel D. Peterson
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InventorsPeterson, Joel D.
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Application NumberUS04/052,864Time in Patent Office861 DaysField of SearchUS Class Current73/497CPC Class CodesG01L 1/10 by measuring variations of ...G01P 15/10 by vibratory strings
