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