| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 08/10/2011 | CN102149037A Digital loudspeaker |
| 08/09/2011 | US7992271 Process of manufacturing a piezoelectric actuator for tunable electronic components on a carrier substrate |
| 08/04/2011 | WO2011093028A1 Piezoelectric excitor |
| 08/03/2011 | CN1929700B Piezoelectric device for generating acoustic signals |
| 08/03/2011 | CN1926917B Piezoelectric acoustic element, acoustic device and portable terminal device |
| 08/03/2011 | CN102144409A Electromagnetic interference shields with piezos |
| 08/03/2011 | CN102143423A Ultrasonic impedance matching layer of ultrasonic transducer, manufacturing method thereof and ultrasonic transducer |
| 08/03/2011 | CN102143422A Circular membrane piezoelectric ultrasonic transducer |
| 08/02/2011 | US7988744 Method of producing capacitor structure in a semiconductor device |
| 07/28/2011 | WO2011090484A1 Hidden ultrasonic transducer |
| 07/28/2011 | WO2011090201A1 Ultrasonic vibration device |
| 07/28/2011 | DE102011008327A1 Ultrasonic sensor for presence detection device and for distance measurement device for solids, powders or fluids, has ultrasonic transducer and sensor electronic which is arranged in block-shaped sensor housing |
| 07/27/2011 | EP1962552B1 Ultrasonic transducer |
| 07/27/2011 | CN1949937B Sensor attachment structure and ultrasonic sensing device |
| 07/27/2011 | CN102138338A Piezoelectric MEMS microphone |
| 07/27/2011 | CN101258771B Ultrasonic sensor |
| 07/26/2011 | US7984536 Method of manufacturing a piezoelectric resonator |
| 07/21/2011 | US20110176695 Piezoelectric panel speaker and optimal method of designing the same |
| 07/21/2011 | DE102010005654A1 Signalgebeeinrichtung mit einem elektrischen akustischen Signalgeber Signal generating device with an electric sounder |
| 07/21/2011 | DE102006035607B4 Sensorbefestigungsstruktur und Ultraschallfühler Sensor mounting structure and ultrasonic sensors |
| 07/20/2011 | EP2346269A1 Acoustic oscillator and image generation device |
| 07/20/2011 | EP2345066A1 Methods for manufacturing ultrasound transducers and other components |
| 07/20/2011 | CN1874615B Ultrasonic probe and ultrasonic probe manufacturing method |
| 07/20/2011 | CN102132586A 超声波探头 Ultrasonic probe |
| 07/20/2011 | CN102132584A Ultrasonic transducer, electronic device, and ultrasonic endoscope |
| 07/19/2011 | CA2728239A1 Signal transmitter device comprising an electrical acoustic signal transmitter |
| 07/14/2011 | WO2011083239A1 Sound wave detection device and sound wave source location system |
| 07/13/2011 | EP1673963B1 A microphone component and a method for its manufacture |
| 07/13/2011 | CN1813487B Piezoelectric actuator |
| 07/12/2011 | US7978869 Wireless microphone |
| 07/12/2011 | US7976752 EAS marker and method of manufacturing same |
| 07/07/2011 | WO2011082408A2 Low-profile ultrasound transducer |
| 07/07/2011 | US20110162181 Device for polling piezoelectric element and polling method using the same |
| 07/05/2011 | US7974430 Microphone with dust-proof section |
| 07/05/2011 | US7974429 Wireless microphone |
| 06/30/2011 | WO2011078594A2 Piezoresistive pressure microphone using nanowires, and method for manufacturing same |
| 06/30/2011 | WO2011078218A1 Ultrasonic vibration device |
| 06/30/2011 | WO2011077683A1 Electroacoustic transducer, electronic device, method for converting electronic sound, and method for outputting acoustic wave from electronic device |
| 06/30/2011 | DE202011002840U1 Piezoelektrischer Flächenlautsprecher Piezoelectric panel loudspeaker |
| 06/29/2011 | EP2339869A1 Ferroelectric dual and multiple layer compound and method for its manufacture |
| 06/29/2011 | CN102112060A Ultrasonic probe |
| 06/29/2011 | CN102111703A Diaphragm perforating type piezoelectric flat speaker |
| 06/29/2011 | CN102111702A Piezoelectric flat panel loudspeaker with distributed ceramic wafers |
| 06/28/2011 | US7969068 Ultrasonic transducer with a retracted portion on a side surface of the piezoelectric layer |
| 06/23/2011 | WO2011074579A1 Actuator, piezoelectric actuator, electronic device, and method for attenuating vibration and converting vibration direction |
| 06/23/2011 | US20110150260 Miniature non-directional microphone |
| 06/22/2011 | EP1524881B1 Microphone |
| 06/22/2011 | EP1501331B1 Ultrasonic probe |
| 06/22/2011 | DE102010010099A1 Schwingfähiges System für einen Ultraschallwandler und Verfahren zur Herstellung des schwingfähigen Systems Oscillatory system for an ultrasonic transducer and method for producing the oscillatory system |
| 06/22/2011 | DE102009060109A1 Anordnung zur Untersuchung und/oder Behandlung eines menschlichen oder tierischen Körpers Arrangement for the examination and / or treatment of a human or animal body |
| 06/22/2011 | DE102009020676B4 Vorrichtung und Verfahren zur Positionsbestimmung Method and apparatus for determining the position |
| 06/22/2011 | CN1964581B A silicon micro piezoelectric sensor chip with split series electrode and its manufacture method |
| 06/22/2011 | CN1897764B Electroacoustic transducer using diaphragm and method for producing diaphragm |
| 06/22/2011 | CN102106160A Piezoelectric acoustic transducer |
| 06/22/2011 | CN102104820A Piezoelectric loudspeaker with weight block |
| 06/16/2011 | US20110141854 Acoustic sensor and method of fabricating the same |
| 06/16/2011 | US20110141205 Method of Removing Thermoset Polymer From Piezoelectric Transducers in a Print Head |
| 06/16/2011 | US20110141204 Print Head Having a Polymer Layer to Facilitate Assembly of the Print Head |
| 06/16/2011 | US20110140793 Piezoelectric vibrator manufacturing method, piezoelectric vibrator, oscillator, electronic device, and radio-controlled timepiece |
| 06/16/2011 | DE10341900B4 Ultraschallsensor Ultrasonic sensor |
| 06/15/2011 | EP2334098A1 Acoustic reproduction device |
| 06/15/2011 | EP2332344A1 Dual-mode loudspeaker |
| 06/15/2011 | EP1610587B1 Ultrasonic sensor |
| 06/15/2011 | CN102098612A Branched driven ultrathin multi-layer piezoelectric loudspeaker |
| 06/15/2011 | CN102098600A Piezoelectric actuator |
| 06/14/2011 | US7962231 Apparatus and method for providing data in a multi-renderer system |
| 06/14/2011 | US7958608 Process for manufacting a piezoelectric device |
| 06/09/2011 | WO2011067835A1 Airborne ultrasonic sensor |
| 06/09/2011 | US20110135123 Piezoelectric speaker and method of manufacturing the same |
| 06/09/2011 | US20110133844 Surface mount crystal oscillator and manufacturing method of the same |
| 06/08/2011 | CN201860447U Double-faced piezoelectric loudspeaker |
| 06/08/2011 | CN201860446U Open type ultrasonic sensor |
| 06/07/2011 | US7955266 Ultrasonic contact transducer with multiple emitting elements and means of bringing these elements into contact |
| 06/07/2011 | US7954215 Method for manufacturing acceleration sensing unit |
| 06/03/2011 | WO2011064934A1 Sound damping component for ultrasonic probe, ultrasonic probe, and ultrasonic probe manufacturing method |
| 06/03/2011 | WO2011041858A3 Active 3d.o.f. stiffness element |
| 06/02/2011 | US20110128245 Piezoelectric speaker, speaker apparatus, and tactile feedback apparatus |
| 06/01/2011 | EP2328360A1 Ferroelectric dual and multiple layer compound and method for its manufacture |
| 06/01/2011 | EP2328359A1 Sound reproducing apparatus |
| 06/01/2011 | EP2327233A1 Electromagnetic interference shields with piezos |
| 06/01/2011 | DE102007014246B4 Ultraschallsensor Ultrasonic sensor |
| 06/01/2011 | CN102082987A Sound equipment actuating device and sound equipment actuating device system |
| 05/31/2011 | US7950150 Method of manufacturing inkjet head |
| 05/26/2011 | US20110122731 Transducer device having coupled resonant elements |
| 05/25/2011 | EP1646309B1 Method for making a spiral array ultrasound transducer |
| 05/25/2011 | CN102077611A Piezoelectric exciter, and piezoelectric exciter unit |
| 05/25/2011 | CN102075837A High-frequency high-sensitivity ultrasonic sensor |
| 05/25/2011 | CN102075836A Single-diaphragm piezoelectric ceramic loudspeaker |
| 05/19/2011 | DE102009053535A1 Ultrasonic transducer arrangement for use in ultrasonic flow meter, has connector for connecting piezoceramic body to generator and/or evaluation unit, and resistor element provided as overvoltage protection unit |
| 05/19/2011 | DE102009052814B3 Ultrasonic transducer-arrangement for use in flow measuring device for gaseous or liquid medium, has coating extending from front and rear sides of transducer element into cavities, and connection elements engaged into cavities |
| 05/19/2011 | DE102009046144A1 Ultraschallwandler zum Einsatz in einem fluiden Medium An ultrasonic transducer for use in a fluid medium |
| 05/18/2011 | CN1969591B Piezoelectric inertial transducer |
| 05/18/2011 | CN102065361A Ultrasonic transducer used in fluid medium |
| 05/18/2011 | CN101035394B Ultrasonic sensor having vibrator mounted on substrate |
| 05/17/2011 | US7945062 Microelectromechanical microphone packaging system |
| 05/17/2011 | US7941909 Method of fabricating an ultra-small condenser microphone |
| 05/12/2011 | US20110110542 Piezoelectric exciter and piezoelectric exciter unit |
| 05/12/2011 | US20110110541 Electromagnetic transduction acoustic bridge and related methods |
| 05/12/2011 | US20110110197 Broadband Underwater Acoustic Transducer |
| 05/12/2011 | US20110109704 Liquid droplet ejecting head, method for manufacturing the same, and liquid droplet ejecting apparatus |