SOUND TRANSDUCER, HAVING A TRANSDUCER ELEMENT INTEGRATED IN A VIBRATION-CAPABLE DIAPHRAGM INCLUDING AN ELECTRICALLY ACTIVE POLYMER
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United States of America
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Issued Date -
Jan 30, 2020
app pub date -
Mar 23, 2018
filing date -
Mar 23, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
An acoustic transducer, in particular for an ultrasonic sensor, is proposed. The acoustic transducer has a functional group, the functional group encompassing a diaphragm cup and at least one electroacoustic transducer element. The acoustic transducer furthermore has a housing. The diaphragm cup encompasses a vibration-capable diaphragm and an encircling wall, as well as at least one electroacoustic transducer element, the transducer element being embodied to excite the diaphragm to vibrate and/or to convert vibrations of the diaphragm into electrical signals. The diaphragm cup is constituted from a plastic material, the at least one transducer element being integrated into the vibration-capable diaphragm, the transducer element having an electrically active polymer.
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