Measuring and testing – Vibration – By mechanical waves
Patent
1982-09-03
1984-02-07
Birmiel, Howard A.
Measuring and testing
Vibration
By mechanical waves
310336, G01N 2900
Patent
active
044295774
ABSTRACT:
An ultrasonic transducer system for scanning a body including an ultrasonic transducer mounted in a transducer shoe and means for applying acoustic coupling fluid to the transducer/body interface as the shoe moves along the interface. The means for applying the coupling fluid includes a fluid reservoir and a fluid dispensing channel in the transducer shoe, a position transducer for producing a signal proportional to the movement of the dispensing means along the transducer/body interface, a microprocessor responsive to the signal, and a stepping motor driven pump controlled by the microprocessor to pump fluid from the fluid reservoir to the dispensing channel in an amount determined by the movement of the dispensing means along the ultrasonic transducer/body interface.
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Dickson Dale A.
Sorenson Paul D.
Birmiel Howard A.
Breimayer Joseph F.
Klepinski Robert J.
Medtronic Inc.
Rooney John L.
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