Measuring and testing – Vibration – By mechanical waves
Patent
1990-07-05
1991-06-25
Myracle, Jerry W.
Measuring and testing
Vibration
By mechanical waves
310327, G01N 2900
Patent
active
050256661
ABSTRACT:
An ultransonic transducer includes a vibrator positioned within a housing. The vibrator has a vibrator casing and a vibrator element or oscillation body. The vibrator casing has a wall defining an internal space receiving an electronic transducer circuit. The vibrator casing is elastically damped for stabilizing vibration within a minimum period so that vibration for generating an ultrasonic wave may not influence detection of the ultrasonic wave reflected by an object. The electric transducer circuit is also elastically isolated from the vibration casing via an elastic cover so as to avoid influence of the vibration of the vibrator, and connected to the oscillation body for generating and receiving signals.
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Lyman, J., "Flexible Circuits Bend to Designers's Will", Electronics, Sep. 15, 1977, pp. 97-105.
Nissan Technical Report, No. 20, pp. 98-101.
National Technical Report, vol. 29, No. 3, pp. 144-147.
Itoh Toshiharu
Kobayashi Hiroshi
Myracle Jerry W.
NGK Spark Plug Co. Ltd.
Nissan Motor Company Limited
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