Measuring and testing – Vibration – By mechanical waves
Patent
1977-02-10
1978-06-06
Queisser, Richard C.
Measuring and testing
Vibration
By mechanical waves
73614, 73619, 73621, 73633, 73642, 128 2V, G01N 2904
Patent
active
040928675
ABSTRACT:
An ultrasonic scanner having a housing, an ultrasonic transducer disposed within the housing and mounted for movement in a predetermined path therewithin. Magnetic means are provided for effecting movement of the transducer in a predetermined path, and electrical means are provided for energizing the transducer and receiving signals therefrom.
The scanner may be servo-controlled and be provided with position sensing means for determining the position of the transducer within the predetermined path, and signal processing means for receiving feedback signals from said position sensing means and adjusting said transducer position responsive to said feedback signals indicating the existence of a departure from the desired transducer position.
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patent: 3990300 (1976-11-01), Kossoff
Beauchamp John P.
Queisser Richard C.
Silverman Arnold B.
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