Results 261 to 270 of about 32,854 (304)
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The Journal of the Acoustical Society of America, 2012
A ultrasonic transducer of the invention comprises: a transducer cell including a first electrode and a second electrode disposed separated from the first electrode by an air gap portion; and an electret for applying a potential difference between the first electrode and the second electrode.
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A ultrasonic transducer of the invention comprises: a transducer cell including a first electrode and a second electrode disposed separated from the first electrode by an air gap portion; and an electret for applying a potential difference between the first electrode and the second electrode.
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The Journal of the Acoustical Society of America, 1989
Charles C. Habeger, Willmer A. Wink
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Charles C. Habeger, Willmer A. Wink
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Electrostatic ultrasonic transducer and ultrasonic speaker
The Journal of the Acoustical Society of America, 2010A push-pull type electrostatic ultrasonic transducer includes a vibrating film having a conductive layer and a pair of fixed electrodes provided at respective surfaces of the vibrating film. The front-side fixed electrode and the rear-side fixed electrode sandwich the vibrating film.
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The Journal of the Acoustical Society of America, 1984
Masso Kodera, Shigeyuki Akita
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Masso Kodera, Shigeyuki Akita
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Ultrasonic piezoelectric transducer and ultrasonic actuator
The Journal of the Acoustical Society of America, 1999An ultrasonic piezoelectric transducer and an ultrasonic actuator for performing enhanced elliptical vibration comprise a first laminated piezoelectric element having a first fixed end, a resonator mounted to the opposite end of the first laminated piezoelectric element, a second laminated piezoelectric element having one end thereof fixedly mounted to
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Ultrasonic sensor device and ultrasonic transducer
The Journal of the Acoustical Society of America, 2010An ultrasonic sensor device includes an ultrasonic transducer and a hollow case. The ultrasonic transducer includes a tubular housing having a bottom, a piezoelectric element and a vibrating surface. The piezoelectric element is fixed to an inner surface of the bottom of the tubular housing.
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The Journal of the Acoustical Society of America, 1988
Fritz Breimesser +2 more
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Fritz Breimesser +2 more
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The Journal of the Acoustical Society of America, 1992
Dov Hazony, Richard E. Berris
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Dov Hazony, Richard E. Berris
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