| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 02/23/2012 | WO2011149304A3 Piezoelectric speaker |
| 02/23/2012 | WO2011146846A3 Micromechanical membranes and related structures and methods |
| 02/23/2012 | DE102011052767A1 Ultrasonic transducer assembly used in sensor for sensing location of object, has coupler that is connected to surface of resonator plate adjacent to end of major dimension of elongated element |
| 02/22/2012 | CN202150935U 一种压电陶瓷扬声器 A piezoelectric ceramic speakers |
| 02/22/2012 | CN1678133B 发射装置及声波传感器 Emitting devices and acoustic sensors |
| 02/21/2012 | US8118742 Intravascular ultrasonic catheter arrangements |
| 02/21/2012 | US8117751 Method of forming printhead by removing sacrificial material through nozzle apertures |
| 02/16/2012 | WO2012021424A1 Personal listening device |
| 02/16/2012 | WO2011146139A3 Ultrasonic transducer assembly |
| 02/16/2012 | US20120039152 Sensor Array |
| 02/16/2012 | US20120038244 Piezoelectric vibration device, method of manufacturing the same, and method of adjusting resonant frequency |
| 02/16/2012 | CA2807808A1 Personal listening device |
| 02/09/2012 | US20120033834 Apparatus With Directivity Pattern |
| 02/09/2012 | DE102010039017A1 Verfahren und Vorrichtung zur aktiven Dämpfung eines akustischen Wandlers Method and device for the active damping of an acoustic transducer |
| 02/09/2012 | CA2806540A1 Implantable piezoelectric polymer film microphone |
| 02/08/2012 | EP2415277A1 Acoustic panel for receiving, emitting or absorbing sounds |
| 02/07/2012 | DE202004021873U1 Membrantopf für einen Ultraschallwandler Diaphragm cup for an ultrasonic transducer |
| 02/02/2012 | WO2012014411A1 Portable terminal device |
| 02/02/2012 | US20120027236 Acoustic pressure transducer |
| 02/02/2012 | DE19983754B3 Diagnostische medizinische Ultraschallsysteme und Wandler, unter Verwendung mikromechanischer Komponenten Diagnostic medical ultrasound systems and transducers, micromechanical components using |
| 02/01/2012 | CN202135308U 压电式骨导传声器 Piezoelectric bone conduction microphone |
| 02/01/2012 | CN202135307U 圆形压电式声响器 Round piezo sounder |
| 02/01/2012 | CN101646116B 一种电极串联式硅微压电传声器 An electrode tandem silicon micro piezoelectric microphone |
| 01/31/2012 | US8107646 Acoustic vibration generating element |
| 01/31/2012 | US8104155 Method of manufacturing a piezoelectric actuator |
| 01/31/2012 | US8104154 Method of manufacturing a piezoelectric vibrating piece |
| 01/26/2012 | WO2012011517A1 Surface acoustic wave atomizer |
| 01/26/2012 | WO2012011257A1 Vibration device and electronic device |
| 01/26/2012 | WO2012011256A1 Vibration device and electronic device |
| 01/26/2012 | WO2012011255A1 Acoustic apparatus and oscillating unit |
| 01/26/2012 | WO2012011238A1 Vibration device |
| 01/26/2012 | US20120019106 Ultrasonic array transducer, associated circuit and method of making the same |
| 01/26/2012 | DE10229845B4 Piezoelektrischer Elektroakustischer Transducer A piezoelectric electroacoustic transducer |
| 01/25/2012 | EP2410768A1 MEMS type acoustic pressure impulse generator |
| 01/25/2012 | CN102333271A Method for manufacturing an ultrasonic transducer for use in a fluid medium |
| 01/24/2012 | US8099842 Method of manufacturing a piezoelectric transistor |
| 01/19/2012 | WO2012008151A1 Ultrasonic flow measurement unit and ultrasonic flowmeter using same |
| 01/19/2012 | WO2011119730A3 Apparatus and method for generating broad bandwidth acoustic energy |
| 01/19/2012 | DE102010013565A1 Elektromechanischer Wandler und Verfahren zur Herstellung des elektromechanischen Wandlers An electromechanical transducer and method of manufacturing the electromechanical transducer |
| 01/18/2012 | EP2407957A2 Electronic keyboard musical instrument |
| 01/18/2012 | CN202121776U Piezoelectric loudspeaker |
| 01/18/2012 | CN202121775U Piezoelectric loudspeaker |
| 01/18/2012 | CN202121774U Piezoelectric loudspeaker |
| 01/18/2012 | CN202121773U Piezoelectric sounding system integrated with electronic product housing |
| 01/18/2012 | CN202121772U Macle piezoelectric ceramic loudspeaker |
| 01/11/2012 | EP2405671A1 Ultrasonic transducer, ultrasonic probe, and ultrasonic diagnostic device |
| 01/11/2012 | EP1475988B1 Card-type sound apparatus and electronic appliance provided therewith |
| 01/11/2012 | CN1802036B 超声波探头 Ultrasonic probe |
| 01/11/2012 | CN102318369A Semiconductor device |
| 01/11/2012 | CN102317066A Ferroelectret double and multilayer composite and method for production thereof |
| 01/11/2012 | CN102316179A Handheld mobile terminal |
| 01/10/2012 | US8094857 Sing-along stand with performance interface configured to display a music storage/playback device |
| 01/10/2012 | US8091233 Method of manufacturing liquid discharge head |
| 01/10/2012 | US8091189 Method for manufacturing quartz crystal unit, quartz crystal oscillator and electronic apparatus |
| 01/05/2012 | WO2012001954A1 Oscillation device and electronic component |
| 01/05/2012 | WO2012001901A1 Vibration device |
| 01/05/2012 | US20120002833 Films and membranes for acoustic signal converter |
| 01/05/2012 | DE102010025857A1 Ultraschallsensor für einen Kardiotokographen Ultrasonic sensor for a cardiotochographs |
| 01/04/2012 | CN202103842U Elastic support type circular piezoelectric vibrator bone-conducting hearing device |
| 01/04/2012 | CN102308375A Methods for manufacturing ultrasound transducers and other components |
| 01/04/2012 | CN101827297B Frequency-division piezoelectric bone conduction auditory device |
| 01/03/2012 | US8087135 Method of manufacturing a piezoelectric vibrator |
| 01/03/2012 | CA2403394C Piezoelectric identification device and applications thereof |
| 12/29/2011 | WO2011162002A1 Acoustic generator |
| 12/29/2011 | WO2001067663A3 Dual bi-laminate polymer audio transducer |
| 12/29/2011 | US20110315609 Ultrasonic line sensor, and sheet handling apparatus comprising ultrasonic line sensor |
| 12/29/2011 | DE102010025194A1 Ultrasonic transducer for detecting distance between motor car and object during e.g. parking, has ultrasound unit formed by connecting planar piezoactuator with membrane, where ultrasound unit is partially enclosed by cladding |
| 12/29/2011 | DE102010017576A1 Sanitary device has toilet cabin, shower cabin, urinal stand, washstand and wall element for forming function wall |
| 12/28/2011 | CN202095088U 压电陶瓷喇叭的降低失真装置 Piezoelectric ceramic speaker reduce distortion device |
| 12/28/2011 | CN102301746A 声能换能器 Acoustic energy transducer |
| 12/28/2011 | CN102300141A 弯曲振膜扬声器 Curved diaphragm speakers |
| 12/27/2011 | US8085621 Ultrasonic transducer with improved method of beam angle control |
| 12/27/2011 | US8082794 Ultrasonic probe and piezoelectric transducer |
| 12/27/2011 | US8082641 Method of manufacturing a ductile polymer-piezoelectric material composite |
| 12/27/2011 | US8082640 Method for manufacturing a ferroelectric member element structure |
| 12/22/2011 | US20110311944 System and method for determining structural characteristics of an object |
| 12/22/2011 | US20110311082 Capacitive electro-acoustic transduction system and capacitive electro-acoustic transducer thereof |
| 12/22/2011 | US20110308324 A sensor and method for fabricating the same |
| 12/22/2011 | DE19882589B3 Wandler mit piezoelektrischem Film Transducer with a piezoelectric film |
| 12/22/2011 | DE102010030189A1 Verfahren zur Herstellung eines Ultraschallwandlers zum Einsatz in einem fluiden Medium A process for fabricating an ultrasonic transducer for use in a fluid medium |
| 12/22/2011 | DE102010024205A1 Ultraschallsensor und Fahrzeug mit einem derartigen Ultraschallsensor Ultrasonic sensor and vehicle with such ultrasonic sensor |
| 12/21/2011 | CN102291658A 一种扬声器 A speaker |
| 12/21/2011 | CN102291657A 双晶压电陶瓷扬声器 Double-crystal piezoelectric ceramic speaker |
| 12/21/2011 | CN102291656A 一种功率超声换能器静态匹配快速调试方法 A power ultrasonic transducer static matching rapid testing method |
| 12/21/2011 | CN101763120B 一种基于声音引导的机器人定位装置及其定位方法 An apparatus for locating and positioning method based on voice-guided robot |
| 12/21/2011 | CN101099410B 压电发声体 Piezo sounder body |
| 12/20/2011 | US8081789 Microphone holder and microphone device using same |
| 12/15/2011 | WO2011155750A2 Voice film having multi-layer structure for plate-type speaker |
| 12/15/2011 | WO2011155334A1 Sound producing component |
| 12/15/2011 | WO2011103324A3 Smart material actuator capable of operating in three dimensions |
| 12/15/2011 | US20110305356 Audio output drivers for piezo speakers |
| 12/15/2011 | US20110305117 Omni-directional radiator for multi-transducer array |
| 12/15/2011 | DE10049492B4 Helm mit eingebautem Piezofilm-Lautsprecher Helmet with built-in piezo-film speaker |
| 12/14/2011 | CN102282866A 声压换能器 Sound pressure transducer |
| 12/14/2011 | CN102281488A 一种双换能方式组合同轴全频扬声器 A dual transducer combinations coaxial full range speakers |
| 12/14/2011 | CN101321411B 圆柱形叠堆晶片水声换能器 Cylindrical stack wafer acoustic transducer |
| 12/13/2011 | US8077899 Electronic device and process for mounting microphone therein |
| 12/08/2011 | WO2011151994A1 Lens for ultrasonic diagnosis apparatus and probe for ultrasonic diagnosis apparatus |
| 12/08/2011 | DE102009017507B4 Ultraschallsensor Ultrasonic sensor |
| 12/07/2011 | CN102271302A 一种压电扬声器 A piezoelectric speaker |