MEMS Sound Transducer Element

A MEMS sound transducer element is operable in an audio and an ultrasonic range. The MEMS sound transducer element includes a first electrode structure, wherein a conductive material of the first electrode structure includes a plurality of electrically isolated electrode segments, and a second elect...

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Bibliographische Detailangaben
Hauptverfasser:	Bretthauer, Christian, Anzinger, Sebastian, Fueldner, Marc
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY PERFORMING OPERATIONS PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS PUBLIC ADDRESS SYSTEMS TRANSPORTING
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Beschreibung
Zusammenfassung:	A MEMS sound transducer element is operable in an audio and an ultrasonic range. The MEMS sound transducer element includes a first electrode structure, wherein a conductive material of the first electrode structure includes a plurality of electrically isolated electrode segments, and a second electrode structure spaced apart from the first electrode structure, wherein the first electrode structure and the second electrode structure are operable as an audio sound transducer. A first subset of the plurality of electrically isolated electrode segments of the first electrode structure is, in conjunction with the second electrode structure, operable as an ultrasonic or audio emitter, and a second subset of the plurality of the electrically isolated electrode segments of the first electrode structure is, in conjunction with the second electrode structure, operable as an ultrasonic or audio receiver.