| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 11/19/2009 | US20090285418 Acoustic-electric transducer, electronic device, method, and computer program product |
| 11/19/2009 | US20090284818 Piezoelectric mirror device, optical device using the piezoelectric mirror device and method for manufacturing piezoelectric mirror device |
| 11/18/2009 | EP0912146B1 Biocompatible, implantable hearing aid microactuator |
| 11/18/2009 | CN101583069A Multimedia bone conduction device |
| 11/18/2009 | CN101583062A Array micro audio directional transducer |
| 11/17/2009 | US7620193 Acoustic actuators |
| 11/12/2009 | WO2009136513A1 Organic piezoelectric film, ultrasonic transducer using the organic piezoelectric film, process for producing the organic piezoelectric film, ultrasonic probe, and ultrasonic medical image diagnosis device |
| 11/11/2009 | EP1489972B1 Multiple scan-plane ultrasound imaging of objects |
| 11/11/2009 | CN101578890A Microphone array with electromagnetic interference shielding means |
| 11/11/2009 | CN101577850A Implanted piezoelectric ceramic microphone and manufacturing method thereof |
| 11/10/2009 | US7615009 System and method for optical data transmission in ultrasound imaging |
| 11/05/2009 | WO2009121116A9 A piezoelectric bone conduction device having enhanced transducer stroke |
| 11/05/2009 | WO2009121104A9 A mechanically amplified piezoelectric transducer |
| 11/05/2009 | DE102009017507A1 Ultraschallsensor Ultrasonic sensor |
| 10/29/2009 | US20090265903 Coupled Resonator Device and Method for Manufacturing a Coupled Resonator Device |
| 10/28/2009 | CN101568053A Voice acquisition device |
| 10/28/2009 | CN100556202C Transducer for bioacoustic signals |
| 10/28/2009 | CN100555695C Reconfiguratable linear senser array of reducing channel number |
| 10/28/2009 | CN100553566C Ultrasonic probe, and ultrasonographic device |
| 10/27/2009 | US7609844 Noise attenuating headset |
| 10/27/2009 | US7609843 Sound collector |
| 10/27/2009 | US7609586 Acoustic projector having minimized mechanical stresses |
| 10/22/2009 | WO2009128322A1 Sound damping member and method for producing sound damping member, ultrasonic probe, and ultrasonic diagnosis device |
| 10/22/2009 | US20090262968 Electrical connector and method for manufacturing the same and condenser microphone |
| 10/22/2009 | DE102008009284B4 Wasserresistentes Hörgerät Water resistant hearing aid |
| 10/21/2009 | EP1182971B1 Ultrasonic transducer with improved compressive loading |
| 10/20/2009 | US7603756 Method of forming piezoelectric actuator of inkjet head |
| 10/15/2009 | US20090257606 Ultrasonic speaker and projector |
| 10/15/2009 | US20090257317 Macrosonic Generator for the Air-Based Industrial Defoaming of Liquids |
| 10/15/2009 | DE102008017067A1 Electro-acoustic transducer for transducer arrangement, has aluminum housing, where layer is provided for overlaying transducer on surface, and projecting area surrounds inner space according to layer |
| 10/15/2009 | DE102005016018B4 Verfahren zum Betreiben einer Hörhilfevorrichtung Method for operating a hearing aid device |
| 10/13/2009 | US7602931 Gasket for reducing electromagnetic interference in a boundary microphone |
| 10/13/2009 | US7600303 BAW resonator bi-layer top electrode with zero etch undercut |
| 10/13/2009 | CA2491546C Integrated acoustic transducer assembly |
| 10/08/2009 | WO2009124290A1 Methods and systems for ultrasonic coupling using ultrasonic radiation pressure |
| 10/08/2009 | WO2009121116A1 A piezoelectric bone conduction device having enhanced transducer stroke |
| 10/08/2009 | WO2009121104A1 A mechanically amplified piezoelectric transducer |
| 10/08/2009 | US20090249599 Gas sensor manufacturing process |
| 10/08/2009 | DE112007002645T5 Ultraschallsonde Ultrasound probe |
| 10/08/2009 | DE102008016558A1 Assembly for motor vehicle, has bumper and ultrasonic sensor, where ultrasonic sensor has membrane which is connected with inner side of bumper |
| 10/06/2009 | US7596840 Method for manufacturing piezoelectric thin film resonator |
| 10/01/2009 | US20090245546 Medium/Low Band Sound Reinforcement Film-Type Audio-Speaker Using Piezoelectric Film as Vibration Element |
| 10/01/2009 | US20090245027 Slotted cylinder acoustic transducer |
| 09/30/2009 | CN201319667Y Multilayer piezoelectric loudspeaker |
| 09/29/2009 | US7596235 Transducer |
| 09/29/2009 | US7594308 Method for producing a piezoelectric actuator and a liquid transporting apparatus |
| 09/24/2009 | WO2009116356A1 Organic piezoelectric material, organic piezoelectric film, ultrasonic vibrator, ultrasonic probe, and ultrasonic image diagnosis apparatus for medical application |
| 09/24/2009 | DE102009000379A1 Ultraschalltransducer für einen Näherungssensor Ultrasonic transducer for a proximity sensor |
| 09/24/2009 | DE102008014120A1 Ultraschallwandler mit akustischer Anpassungsschicht für hohe Ultraschallfrequenzen sowie Verfahren zur Herstellung der Anpassungsschicht Ultrasonic transducer with an acoustic matching layer for high ultrasonic frequencies as well as methods for producing the matching layer |
| 09/23/2009 | CN101543095A Ultrasonic transducer |
| 09/23/2009 | CN100544500C Speaker for super-high frequency range reproduction |
| 09/23/2009 | CN100544498C Ultrasonic speaker and projector |
| 09/22/2009 | US7593534 Transducer for bioacoustic signals |
| 09/17/2009 | WO2009114053A1 Support arm with reversed elastic and inelastic ranges |
| 09/17/2009 | WO2009113433A1 Organic piezoelectric material, ultrasonic transducer using the same, method for producing the ultrasonic transducer, ultrasonic probe and ultrasonic medical diagnostic imaging system |
| 09/17/2009 | WO2009113432A1 Organic piezoelectric material, ultrasonic oscillator using the material, method for manufacturing the ultrasonic oscillator, ultrasonic probe, and ultrasonic medical diagnostic imaging device |
| 09/17/2009 | US20090231959 Composite transducer apparatus and system for processing a substrate and method of consturcting the same |
| 09/16/2009 | CN101536546A Piezoelectric speaker and electronic apparatus with piezoelectric speaker |
| 09/16/2009 | CN101536545A Ultrasound probe |
| 09/15/2009 | CA2379177C Impedance matching transducers |
| 09/11/2009 | WO2009110163A1 Acoustic matching body, ultrasonic transceiver and ultrasonic flowmeter |
| 09/09/2009 | EP1824389A4 Ultrasonic monitor for measuring blood flow and pulse rates |
| 09/09/2009 | CN101529927A Ultrasonic sensor |
| 09/09/2009 | CN100539740C Silicon microphone |
| 09/09/2009 | CN100536790C Optimized switching configurations for reconfigurable arrays of sensor elements |
| 09/03/2009 | WO2009107305A1 Electroacoustic transducer |
| 09/03/2009 | US20090219348 Piezoelectric device, its manufacturing method, liquid ejection head, and printer |
| 09/03/2009 | DE102008011399A1 Ultrasonic transducer has piezoelectric element with two electrodes, which has electrical contact with related electric connection of ultrasonic transducer, where electrode is formed by conductive film |
| 09/02/2009 | CN100536607C Sound matching part, supersonic transducer, supersonic flow meter and preparation method thereof |
| 09/01/2009 | US7583810 Fixing unit for microphone |
| 09/01/2009 | US7583563 Ultrasonic sensor |
| 09/01/2009 | US7583011 Package of surface-mountable electronic component |
| 09/01/2009 | US7581296 Acoustic stack for ultrasonic transducers and method for manufacturing same |
| 08/27/2009 | WO2009105035A1 A silicon microphone without dedicated backplate |
| 08/27/2009 | DE102008009284A1 Wasserresistentes Hörgerät Water resistant hearing aid |
| 08/26/2009 | CN100533172C Ultrasonic sensor |
| 08/25/2009 | US7580754 Implantable acoustic sensor |
| 08/25/2009 | US7580540 Apparatus and method for receiving inputs from a user |
| 08/25/2009 | US7580533 Particulate flow detection microphone |
| 08/25/2009 | US7578858 Making capacitor structure in a semiconductor device |
| 08/20/2009 | WO2009102344A1 Piezo speaker pressure sensor |
| 08/20/2009 | US20090207696 Hybrid transducer |
| 08/20/2009 | US20090205176 Method for manufacturing a liquid jet head and a method for manufacturing an actuator apparatus |
| 08/19/2009 | EP2091269A2 Water resistant hearing aid |
| 08/19/2009 | EP1397073B1 Excisional and ultrasound medical treatment system |
| 08/19/2009 | CN201294088Y Adapterization device of percussion instrument |
| 08/19/2009 | CN101509942A Ultrasonic transducer frequency response characteristic detecting method |
| 08/18/2009 | US7574787 Methods to make piezoelectric ceramic thick film array and single elements with a reusable single layer substrate structure |
| 08/13/2009 | WO2009098859A1 Piezoelectric speaker |
| 08/13/2009 | WO2009098799A1 Ultrasonic vibrator |
| 08/13/2009 | US20090202090 Piezo speaker pressure sensor |
| 08/13/2009 | US20090202083 Electro-mechanical transducer and manufacturing method of the same |
| 08/13/2009 | US20090199380 Method and mechanism of pzt micro-actuator attachment for the hard disk driver arm |
| 08/12/2009 | EP2088801A1 Piezoelectric speaker and electronic apparatus with piezoelectric speaker |
| 08/12/2009 | CN101505445A Piezoelectric ceramic loudspeaker and manufacturing method thereof |
| 08/11/2009 | US7571525 Method of manufacturing liquid-jet head and liquid-jet head |
| 08/06/2009 | WO2009097012A1 Low-profile piezoelectric speaker assembly |
| 08/05/2009 | CN201286168Y 360 degree sounding spherical loudspeaker |
| 08/05/2009 | CN100525512C Piezoelectric electroacoustic transducer |
| 07/30/2009 | WO2009093291A1 Piezoelectric vibration plate |