| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
|---|
| 04/07/2009 | US7513022 Method for manufacturing surface acoustic wave device |
| 04/07/2009 | CA2359225C Method and device for vibration control |
| 04/02/2009 | US20090084182 Micromechanical sensor element |
| 04/02/2009 | DE102008049081A1 Ultraschallsensor Ultrasonic sensor |
| 04/02/2009 | DE102007047013A1 Reaktionsharz und Zweikomponentensystem zur Herstellung desselben The same reaction resin and two-component system for manufacturing |
| 04/01/2009 | CN201216023Y Bone conduction type earphone |
| 04/01/2009 | CN101400011A Skull conducting apparatus |
| 04/01/2009 | CN100474942C Transducer |
| 04/01/2009 | CN100474647C Large range continuous driving microelectromechanical component and driving method thereof |
| 04/01/2009 | CN100474000C Ultrasonic sensor assembly |
| 03/31/2009 | US7509715 Method of manufacturing ultrasound radiating members for a catheter |
| 03/25/2009 | EP2039214A2 Acoustic device and method of manufacturing same |
| 03/24/2009 | US7508113 Apparatus for two-dimensional transducers used in three-dimensional ultrasonic imaging |
| 03/24/2009 | US7506443 Beveled charge structure |
| 03/19/2009 | WO2009036090A2 Wireless resonating surface speaker and method of using the same |
| 03/19/2009 | US20090072669 Flextensional vibration-free pressure oscillator |
| 03/12/2009 | US20090069486 Acoustic lens composition, ultrasonic probe, and ultrasonic diagnostic apparatus |
| 03/11/2009 | CN201207728Y Piezoelectric ceramics electroacoustic transducer |
| 03/11/2009 | CN201207727Y Voice driving device using piezoelectric ceramics |
| 03/11/2009 | CN101385391A Ultrasonic sensor and fabrication method thereof |
| 03/11/2009 | CN101385390A Piezoelectric speaker |
| 03/11/2009 | CN101383394A Novel piezoelectric sensor and preparation thereof |
| 03/11/2009 | CN100469157C Hydrophone with automatic supression function |
| 03/05/2009 | US20090062114 Perovskite type oxide, ferroelectric film, process for producing same, ferroelectric device, and liquid discharge apparatus |
| 03/04/2009 | CN101379871A 超声波探针 Ultrasound probe |
| 02/26/2009 | US20090052715 Electronic device with an internal microphone array |
| 02/26/2009 | US20090052699 Microphone component and a method for its manufacture |
| 02/26/2009 | DE102008038336A1 Ultraschallsensor Ultrasonic sensor |
| 02/25/2009 | CN101375628A Electronic device and sound reproducing method |
| 02/24/2009 | US7493899 Microphone adaptor for a respirator |
| 02/19/2009 | WO2009022130A1 Acoustic transducer assembly |
| 02/19/2009 | WO2008157616A3 Acoustic transducer |
| 02/19/2009 | US20090046883 Surface micromachined differential microphone |
| 02/19/2009 | DE102007037561A1 Schallwandler zur Übertragung von Audiosignalen Transducer for transmitting audio signals |
| 02/18/2009 | EP2026596A1 Sound transducer for transmitting audio signals |
| 02/18/2009 | CN201197186Y Ultra-thin piezoelectric microphone |
| 02/18/2009 | CN101371616A Ultrasonic sensor |
| 02/17/2009 | US7490390 Method of manufacturing a voltage controlled oscillator |
| 02/12/2009 | WO2008143463A3 A sound converting apparatus |
| 02/12/2009 | US20090041269 Sound transducer for the transmission of audio signals |
| 02/12/2009 | US20090039737 Method of fabricating case, piezoelectric oscillator, oscillator, electronic appliance, and radio clock |
| 02/12/2009 | US20090038131 Method for manufacturing quartz crystal resonator, quartz crystal unit and quartz crystal oscillator |
| 02/11/2009 | EP1466500B1 Silicon microphone |
| 02/11/2009 | CN101365263A Sound membrane and piezoelectric piece bonding apparatus |
| 02/10/2009 | US7489066 Biometric sensing device with isolated piezo ceramic elements |
| 02/09/2009 | CA2638431A1 Sound transducer for the transmission of audio signals |
| 02/05/2009 | WO2009018283A1 Pressure sensor |
| 02/05/2009 | US20090034370 Diagnostic ultrasound transducer |
| 02/04/2009 | CN101360459A Ultrasonic probe |
| 02/04/2009 | CN101360456A Ultrasound probe |
| 02/04/2009 | CN100459617C Sound reproducing apparatus |
| 02/04/2009 | CN100459204C Electro-active actuator |
| 02/03/2009 | US7486798 Method and apparatus for tooth bone conduction microphone |
| 02/03/2009 | US7486004 Piezolelectric devices |
| 01/29/2009 | DE102008034152A1 Ultraschallsensor Ultrasonic sensor |
| 01/29/2009 | DE102008031151A1 Auf einem Ultraschalltransducer eingebettete Schaltungen und Verfahren zur Herstellung von Selbigem On an ultrasonic transducer embedded circuits and methods for producing Selbigem |
| 01/29/2009 | DE102007034161A1 Sound reproducing and recording method for e.g. emergency telephone at highway, involves partially executing sound reproduction and/or sound recording for exchange of acoustic information by impact sound of emergency call equipment |
| 01/28/2009 | EP1232669B1 Electromechanic film and acoustic element |
| 01/28/2009 | CN101356850A Ultrasonic receiver |
| 01/27/2009 | US7483339 Acoustic projector and method of manufacture |
| 01/22/2009 | WO2009011089A1 Ultrasonic probe, ultrasonic diagnosis device using the same, and ultrasonic flaw detector |
| 01/21/2009 | EP1493302B1 Sound or ultrasound sensor |
| 01/21/2009 | CN101349152A Acoustic transducers suitable for underground |
| 01/15/2009 | US20090015108 Piezoelectric electroacoustic transducer |
| 01/15/2009 | DE102008032519A1 Ultraschallsensor und Verfahren zu dessen Fertigung Ultrasonic sensor and method for its manufacturing |
| 01/14/2009 | EP1563550B1 Electro-active actuator |
| 01/14/2009 | CN201182007Y Energy converter for ultrasound Doppler signal receiving and transmitting device |
| 01/14/2009 | CN101347042A Acoustic matching material, ultrasonic vibrator, and ultrasonic flowmeter |
| 01/14/2009 | CN100452469C Mosaic array of ultrasound transducer by micromachining |
| 01/13/2009 | US7475460 Method of producing an airtight terminal |
| 01/08/2009 | US20090008029 Method of laminating articles |
| 01/06/2009 | US7473224 Deployable ultrasound medical transducers |
| 12/31/2008 | CN101336562A 压电致动器及电子装置 The piezoelectric actuators and electronic device |
| 12/31/2008 | CN101334691A Vibration assembly, input device using the vibration assembly and electronic equipment using the input device |
| 12/31/2008 | CN101332457A Transducer array with non-uniform kerfs |
| 12/30/2008 | CA2330019C Method of isolation for acoustic resonator devices |
| 12/25/2008 | US20080317266 Contact Structure of a Film-Type Audio-Speaker |
| 12/25/2008 | US20080315719 Fuel injector having encased piezo electric actuator |
| 12/24/2008 | WO2008157616A2 Acoustic transducer |
| 12/24/2008 | DE102008001746A1 Ultraschallsensor und Selbstdiagnoseverfahren von diesem Ultrasonic sensor and self-diagnostic method of this |
| 12/23/2008 | US7468138 Flexural plate wave sensor |
| 12/23/2008 | US7467447 Method of manufacturing a SAW device |
| 12/18/2008 | DE102008027974A1 Ultraschallsensor Ultrasonic sensor |
| 12/18/2008 | DE102007027277A1 Ultraschallsensor Ultrasonic sensor |
| 12/17/2008 | CN101325824A Method of manufacturing an ultrasonic sensor |
| 12/11/2008 | WO2007120874A3 Pillow in the form of a stuffed toy or 3-d character toy having two headphone speakers mounted on the ears of the toy |
| 12/11/2008 | WO2007018877A3 Downhole uses of electroactive polymers |
| 12/11/2008 | US20080306501 Device and method for ultrasound wound debridement |
| 12/11/2008 | US20080304687 Ergonomic Support and Control Harness for Boom Pole Operation |
| 12/11/2008 | US20080303865 Ink-jet printer, ink-jet head and method of manufacturing the ink-jet head |
| 12/11/2008 | US20080303381 Ultrasonic probe, backing material for ultrasonic probe, and method of manufacturing the same |
| 12/10/2008 | EP2000097A1 Ultrasonic probe |
| 12/10/2008 | CN201163819Y Dynamic prestress energy converter |
| 12/10/2008 | CN101321411A Cylindrical stack wafer underwater transducer |
| 12/09/2008 | US7461555 Ultrasonic sensor |
| 12/04/2008 | WO2008147325A1 Piezoelectric transducer device |
| 12/04/2008 | WO2008146678A1 Piezoelectric actuator and electronic device |
| 12/04/2008 | WO2008145949A1 Audio apparatus |
| 12/04/2008 | US20080298621 Module including a micro-electro-mechanical microphone |
| 12/03/2008 | EP1691689A4 Method for monitoring of medical treatment using pulse-echo ultrasound |