Vibrating bar transducer
First Claim
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1. IN A TRANSDUCER ELEMENT, THE COMBINATION COMPRISING:
- A PAIR OF BARS CAPABLE OF VIBRATING ABOUT THEIR LONGITUDINAL AXES AND RIGIDLY INTERCONNECTED AT A DISPLACEMENT ANODE ONLY, TO PERMIT INDEPENDENT MOVEMENT OF SAID BARS;
MEANS FOR APPLYING COMPRESSIVE AND TENSILE AXIALLY ORIENTED FORCES TO THE ENDS OF SAID BARS TO STRESS BOTH BARS SUBSTANTIALLY EQUALLY;
AND MEANS FOR SETTING SAID BARS INTO RESONANT VIBRATION, IN SUBSTANTIALLY 180* PHASE OPPOSITION, TRANSVERSE TO THEIR LONGITUDINAL AXES, THE FREQUENCY OF VIBRATION BEING REPRESENTATIVE OF THE FORCES APPLIED TO SAID BARS.
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1 Claim
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1. IN A TRANSDUCER ELEMENT, THE COMBINATION COMPRISING:
- A PAIR OF BARS CAPABLE OF VIBRATING ABOUT THEIR LONGITUDINAL AXES AND RIGIDLY INTERCONNECTED AT A DISPLACEMENT ANODE ONLY, TO PERMIT INDEPENDENT MOVEMENT OF SAID BARS;
MEANS FOR APPLYING COMPRESSIVE AND TENSILE AXIALLY ORIENTED FORCES TO THE ENDS OF SAID BARS TO STRESS BOTH BARS SUBSTANTIALLY EQUALLY;
AND MEANS FOR SETTING SAID BARS INTO RESONANT VIBRATION, IN SUBSTANTIALLY 180* PHASE OPPOSITION, TRANSVERSE TO THEIR LONGITUDINAL AXES, THE FREQUENCY OF VIBRATION BEING REPRESENTATIVE OF THE FORCES APPLIED TO SAID BARS.
- A PAIR OF BARS CAPABLE OF VIBRATING ABOUT THEIR LONGITUDINAL AXES AND RIGIDLY INTERCONNECTED AT A DISPLACEMENT ANODE ONLY, TO PERMIT INDEPENDENT MOVEMENT OF SAID BARS;
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Current AssigneeHarold F. Erdley
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Original AssigneeHarold F. Erdley
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InventorsErdley, Harold F.
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Application NumberUS04/124,173Time in Patent Office1,698 DaysField of SearchUS Class Current73/514.29CPC Class CodesG01P 15/097 by vibratory elementsG01P 15/18 in two or more dimensionsH03B 5/30 with frequency-determining ...Y10S 73/04 Piezoelectric
