| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 03/25/2010 | DE102008038225A1 Ultrasound producing device for use in parking assistance system of motor vehicle, has ultrasound transducer inserted into opening provided at inner side of bumper and coupled with rear side of foil in vibration transmitting manner |
| 03/23/2010 | US7684576 Resonant element transducer |
| 03/23/2010 | US7682000 Piezoelectric actuator, liquid transporting apparatus and method of producing piezoelectric actuator |
| 03/23/2010 | US7681291 Piezoelectric resonator and method for manufacturing thereof |
| 03/23/2010 | US7681290 Piezoelectric bimorph beam manufacturing method |
| 03/18/2010 | WO2010030740A1 Piezoelectric transducers and intertial sensors using piezoelectric transducers |
| 03/18/2010 | WO2010029783A1 Organic piezoelectric material, organic piezoelectric film, ultrasound transducer, method for manufacturing ultrasound transducer, ultrasound probe and ultrasound medical imaging device |
| 03/18/2010 | US20100068460 Method for manufacturing polymeric piezoelectric film and polymeric piezoelectric film |
| 03/16/2010 | US7679263 Apparatus for two-dimensional transducers used in three-dimensional ultrasonic imaging |
| 03/16/2010 | US7678055 Ultrasonic probe with a conductive substrate connected to a transducer |
| 03/11/2010 | WO2010027615A2 Asymmetric composite acoustic wave sensor |
| 03/11/2010 | WO2010027601A1 Electromagnetic interference shields with piezos |
| 03/11/2010 | WO2010026871A1 Organic piezoelectric material, ultrasonic oscillator, and ultrasonic probe |
| 03/11/2010 | WO2010005669A3 System and method of an acoustic flow meter with dual flow measurements |
| 03/11/2010 | US20100061573 Piezoelectric acoustic transducer |
| 03/11/2010 | DE102007044490B4 Ultraschallsensor zur Verwendung in einem Kraftfahrzeug Ultrasonic sensor for use in a motor vehicle |
| 03/10/2010 | CN201422160Y Ultrathin piezoelectric patch |
| 03/10/2010 | CN101669375A Ultrasonic transducer and ultrasonic imaging apparatus |
| 03/04/2010 | WO2010024017A1 Ultrasonic transmitting/receiving device |
| 03/04/2010 | US20100054506 Piezoelectric speaker and electronic apparatus with piezoelectric speaker |
| 03/04/2010 | US20100054505 Film speaker |
| 03/03/2010 | EP2158790A1 Audio apparatus |
| 03/03/2010 | EP2158586A1 Piezoelectric transducer device |
| 03/03/2010 | EP1397075B1 Deployable ultrasound medical transducers |
| 03/03/2010 | CN101662718A Film loudspeaker |
| 03/02/2010 | US7671517 Piezoelectric electroacoustic transducer |
| 02/24/2010 | CN101656905A Piezoelectric vibrator |
| 02/24/2010 | CN100592384C Variable multi-dimensional apodization control for ultrasonic transducers |
| 02/23/2010 | US7667370 Generating device for generating a useful stream of a medium, in particular for generating sound |
| 02/18/2010 | WO2010018694A1 Organic piezoelectric material film, method for production of organic piezoelectric material film, method for production of ultrasonic oscillator, and ultrasonic medical imaging instrument |
| 02/18/2010 | US20100038998 Piezoelectric actuator and electronic apparatus |
| 02/17/2010 | EP1520446B1 Method for forming acoustically active element in a multi-layer circuit-board structure and a multi-layer circuit-board structure |
| 02/17/2010 | CN201409221Y Signal converter and microphone comprising same |
| 02/17/2010 | CN100591168C Loud speaker system |
| 02/16/2010 | US7661180 Method of manufacturing a piezoelectric actuator and liquid ejection head |
| 02/11/2010 | WO2010016291A1 Organic piezoelectric material, method for production of the same, and ultrasonic oscillator, ultrasonic probe and ultrasonic image detection device each comprising the same |
| 02/10/2010 | EP2152024A1 Ultrasonic transducer and ultrasonic imaging apparatus |
| 02/10/2010 | CN101646117A Soft support bridge type silicon micro-piezoelectric microphone chip and prepration method thereof |
| 02/10/2010 | CN101646116A Silicon micro piezoelectric microphone of series electrode type |
| 02/10/2010 | CN101646115A Silicon micro piezoelectric microphone based on inn-plane polarization of ferroelectric PZT film and manufacture method thereof |
| 02/04/2010 | DE102008040905A1 Ultraschallsensor Ultrasonic sensor |
| 02/04/2010 | DE102005061528B4 Piezokeramisches Bauteil mit Bleizirkonattitanat mit Eisen-Wolfram-Dotierung, Verfahren zum Herstellen des piezokeramischen Bauteils und seine Verwendung Piezoceramic component having a lead zirconate titanate with iron-tungsten doping, method for manufacturing the piezoceramic component and its use |
| 02/03/2010 | CN101641966A Piezoelectric sound transducer |
| 02/02/2010 | US7657043 Electro-optical device and electronic apparatus |
| 02/02/2010 | US7657042 Liquid crystal display device having sound |
| 01/28/2010 | WO2010010727A1 Organic piezoelectric material film, method for production of the same, method for production of ultrasonic oscillator using the same, and ultrasonic medical imaging instrument |
| 01/28/2010 | US20100020646 Ultrasonic transducer with improved method of beam angle control |
| 01/28/2010 | US20100020645 Reconfigurable array with locally determined switch configuration |
| 01/28/2010 | US20100018596 Micro fluidic transportation device and method for manufacturing the same |
| 01/26/2010 | US7652410 Ultrasound transducer with non-uniform elements |
| 01/26/2010 | US7651197 Method of manufacturing an inkjet head through the anodic bonding of silicon members |
| 01/26/2010 | CA2392552C Electromechanic film and acoustic element |
| 01/21/2010 | WO2009146140A3 Methods and systems to form high efficiency and uniform fresnel lens arrays for ultrasonic liquid manipulation |
| 01/21/2010 | DE112007002441T5 Nicht-gerichtetes Miniaturmikrofon The non-directional Lavalier Microphone |
| 01/21/2010 | DE102008033098A1 Ultraschallwandler Ultrasonic transducer |
| 01/20/2010 | EP1240676B1 Electro-active devices |
| 01/20/2010 | CN201388295Y Piezoelectric trumpet |
| 01/20/2010 | CN100584108C Card sound device and electronic apparatus having same |
| 01/14/2010 | WO2010005669A2 System and method of an acoustic flow meter with dual flow measurements |
| 01/14/2010 | WO2010005045A1 Thin microphone and helmet with microphone |
| 01/14/2010 | US20100008191 Acoustic projector having minimized mechanical stresses |
| 01/14/2010 | US20100007444 GHz Surface Acoustic Resonators in RF-CMOS |
| 01/14/2010 | US20100005886 Sensor and its fabrication process |
| 01/14/2010 | CA2721971A1 System and method of an acoustic flow meter with dual flow measurements |
| 01/13/2010 | EP2143381A1 Ultrasonic transmitter/receiver, ultrasonic probe, and ultrasonic diagnostic apparatus |
| 01/13/2010 | CN201383871Y Double-side piezoelectric ceramic loudspeaker |
| 01/13/2010 | CN201379912Y Self-focusing ultrasonic transducer |
| 01/13/2010 | CN101626537A Flexible piezoelectric sound-generating devices |
| 01/13/2010 | CN100580967C Cylindrical ultrasound transceivers |
| 01/07/2010 | WO2010002887A2 Piezoelectric memes microphone |
| 01/07/2010 | WO2010001634A1 Organic piezoelectric material, ultrasonic vibrator, and ultrasonic image diagnosis apparatus for medical application |
| 01/07/2010 | WO2010001633A1 Organic piezoelectric material, process for producing the organic piezoelectric material, ultrasonic vibrator, and ultrasonic image diagnosis apparatus for medical application |
| 01/07/2010 | WO2010001520A1 Piezoelectric exciter, and piezoelectric exciter unit |
| 01/07/2010 | WO2008087630A3 A method for the fully automated production of a piezoelectric switch and a process therefor |
| 01/05/2010 | US7641321 Method of manufacturing liquid ejection head and image forming apparatus |
| 12/31/2009 | US20090320576 Piezoresistive Pressure-Measuring Plug for a Combustion Engine |
| 12/30/2009 | CN201374811Y Audio transmitter |
| 12/30/2009 | CN101617544A Film speaker |
| 12/24/2009 | DE102008027970A1 Ultrasonic sensor for distance measurement during parking of motor vehicle, has piezoelectric element arranged proximal to diaphragm, and another piezoelectric element spaced apart from diaphragm and connected with diaphragm |
| 12/22/2009 | CA2459921C Cylindrical ultrasound receivers and transceivers formed from piezoelectric film |
| 12/17/2009 | DE102008027687A1 Ultraschallwandler Ultrasonic transducer |
| 12/16/2009 | CN101605288A Ultrasonic energy transducer with continuously changed acoustic impedances |
| 12/16/2009 | CN100569186C Ultrasound imaging method and system, ultrasound transducer array and probe |
| 12/10/2009 | US20090303839 Stress-biased cymbals incorporating a shape memory alloy |
| 12/10/2009 | US20090303838 Acoustic Sensor and Method |
| 12/09/2009 | EP2130505A2 Ultrasonic vibration apparatus |
| 12/09/2009 | EP2130495A1 Ultrasonic probe and method for manufacturing the same and ultrasonic diagnostic device |
| 12/08/2009 | US7630506 Condenser microphone unit |
| 12/03/2009 | WO2009146140A2 Methods and systems to form high efficiency and uniform fresnel lens arrays for ultrasonic liquid manipulation |
| 12/03/2009 | WO2009144972A1 Sheet-type vibrating body and acoustic equipment |
| 12/03/2009 | WO2009144964A1 Piezoelectric speaker, speaker device and tactile feedback device |
| 12/02/2009 | EP2126992A1 Piezoelectric component |
| 12/02/2009 | CN100566145C Method for piezoelectric vibrator |
| 12/02/2009 | CN100565240C Ultrasonic sensor assembly |
| 12/01/2009 | US7626890 Hybrid-drive multi-mode pipe projector |
| 11/26/2009 | WO2009141912A1 Earphone apparatus |
| 11/25/2009 | CN101588528A Novel acoustical-electrical converter and microphone |
| 11/24/2009 | US7621028 Method for optimized dematching layer assembly in an ultrasound transducer |
| 11/24/2009 | CA2491558C Acoustic transducers for tubulars |
| 11/19/2009 | WO2009139237A1 Piezoelectric element and audio equipment |