| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 08/06/2008 | CN101237718A Voltage current porcelain voice driving device |
| 08/05/2008 | US7408283 Micromachined ultrasonic transducer cells having compliant support structure |
| 08/05/2008 | US7406757 Method of manufacturing liquid ejection head |
| 08/05/2008 | US7406756 Method for manufacturing a piezoelectric resonator |
| 07/31/2008 | DE102008006554A1 Ultrasonic sensor for receiving ultrasonic waves, has piezoelectric element arranged between two electrodes and acoustic adjusting part which has receiving surface for receiving ultrasonic waves |
| 07/30/2008 | EP1949754A1 Medium/low band sound reinforcement film-type audio-speaker using piezoelectric film as vibration element |
| 07/29/2008 | CA2318378C Multielement ultrasonic contact transducer |
| 07/24/2008 | DE102007003164A1 Akustische Wiedergabevorrichtung und Verfahren zur Wiedergabe eines akustischen Signals Acoustic reproducing apparatus and method for reproducing an acoustic signal |
| 07/24/2008 | DE102007003163A1 Akustische Wiedergabevorrichtung sowie Verfahren zur Erzeugung von Schall Acoustic reproducing apparatus and method for generating sound |
| 07/23/2008 | EP1947901A1 Speaker, image element protective screen, case of terminal, and terminal |
| 07/23/2008 | EP1346604A4 Condenser microphone assembly |
| 07/17/2008 | WO2008084685A1 Piezoelectric speaker and its manufacturing method |
| 07/16/2008 | EP1943952A1 Medical wave sensor and diagnosis method for diagnosing heart and/or lung diseases |
| 07/16/2008 | CN100403852C Static microphone |
| 07/15/2008 | US7400079 Ultrasonic probe |
| 07/09/2008 | CN100401374C Systems and methods for controlling a phased array focused ultrasound system |
| 07/08/2008 | US7397167 Ultrasonic wave generating device |
| 07/08/2008 | CA2429940C Miniature ultrasound transducer |
| 07/03/2008 | WO2008079467A2 Microphone array with electromagnetic interference shielding means |
| 07/03/2008 | US20080159574 Ring Transducers for Sonic, Ultrasonic Hearing |
| 07/03/2008 | US20080159571 Miniature Surround-Sound Loudspeaker |
| 07/02/2008 | CN100399596C Phased array probe for scanning imager |
| 07/02/2008 | CN100399595C Wheeled scanning proe for scanning imager |
| 07/02/2008 | CN100398224C Frequency and amplitude apodization of transducers |
| 06/25/2008 | EP1230689B1 Piezoelectric macro-fiber composite actuator and manufacturing method |
| 06/25/2008 | CN100397673C Piezoelectric element and oscillating converter with piezoelectric element |
| 06/24/2008 | US7391879 Loudspeaker |
| 06/19/2008 | US20080144874 Microphone array with electromagnetic interference shielding means |
| 06/19/2008 | US20080144863 Microcap packaging of micromachined acoustic devices |
| 06/19/2008 | US20080143457 FBAR band pass filter, duplexer having the filter and methods for manufacturing the same |
| 06/19/2008 | DE102007045809A1 Detektorvorrichtung für ein Hindernis Detector device for an obstacle |
| 06/17/2008 | US7388317 Ultrasonic transmitting/receiving device and method for fabricating the same |
| 06/12/2008 | WO2008068932A1 Ultrasonic probe |
| 06/11/2008 | EP1929835A2 Ultrasonic sensor |
| 06/11/2008 | EP1929834A1 Contact structure of a film-type audio-speaker |
| 06/11/2008 | EP1274483B1 System for creating longer necrosed volumes using a phased array focused ultrasound system |
| 06/05/2008 | WO2008065959A1 Ultrasonic transducer |
| 06/05/2008 | US20080130921 Piezoelectric electroacoustic transducer |
| 06/04/2008 | EP1926678A2 A method of manufacturing a microsystem, such a microsystem, a stack of foils comprising such a microsystem, an electronic device comprising such a microsystem and use of the electronic device |
| 06/04/2008 | CN100392394C Method for manufacturing backing material for ultrasonic detection probe |
| 06/03/2008 | US7380318 Method of manufacturing liquid discharge head |
| 05/29/2008 | US20080123878 Backplateless silicon microphone |
| 05/28/2008 | CN101188875A 压电麦克风 The piezoelectric microphone |
| 05/27/2008 | US7379392 Flexible cymbal array |
| 05/27/2008 | US7378776 Piezoelectric ceramic composition and piezoelectric elements using the same |
| 05/21/2008 | EP1924122A1 Ultrasonic sensor |
| 05/21/2008 | EP1924121A1 Ultrasonic sensor |
| 05/21/2008 | EP1923987A2 Piezoelectric actuator, and timepiece as well as portable apparatus equipped with the same |
| 05/21/2008 | EP1444863B1 Sleeved ultrasonic transducer |
| 05/21/2008 | EP1247421A4 Piezoelectric film sonic emitter |
| 05/21/2008 | DE102006054095A1 Ultrasonic sensor for e.g. monitoring surrounding of industrial and automobile areas, has damping unit i.e. induction coil, provided for reducing reverberation time of ultrasonic source after production of ultrasonic pulses |
| 05/21/2008 | CN201063848Y Piezoelectric bone conduction voice collector |
| 05/21/2008 | CN201063847Y Superaudio generator |
| 05/21/2008 | CN201063346Y Sensing vibration diaphragm for dual polarization partitioning electrode |
| 05/15/2008 | WO2008056800A1 Piezoelectric speaker and electronic apparatus with piezoelectric speaker |
| 05/15/2008 | WO2008056611A1 Ultrasound probe |
| 05/15/2008 | DE102006038598A1 Ultrasound producing device e.g. ultrasonic sensor such as distance sensor, for motor vehicle i.e. passenger car, has ultrasonic transducer mechanically coupled to thin-walled inner side of bumper |
| 05/13/2008 | US7372777 Sonic instrumentation apparatus and method for cement bond logging |
| 05/13/2008 | CA2370128C Apparatus and method for tuning ultrasonic transducers |
| 05/08/2008 | US20080107290 Acoustic vibration generating element |
| 05/08/2008 | US20080106976 Redistribution Interconnect for Microbeamforming(S) and a Medical Ultrasound System |
| 05/08/2008 | US20080104813 Polymer bulk acoustic resonator |
| 05/06/2008 | US7368855 Piezoelectric vibration sensor |
| 05/06/2008 | US7368852 Electrically conductive matching layers and methods |
| 05/06/2008 | US7367945 Ultrasound system |
| 05/06/2008 | US7367095 Method of making an acoustically coupled transformer |
| 05/02/2008 | WO2008050123A1 Loudspeakers |
| 05/01/2008 | US20080101643 Method and device for noise control in a headset |
| 05/01/2008 | US20080101641 Miniature non-directional microphone |
| 05/01/2008 | US20080100674 Liquid dispenser head, liquid dispensing unit using same, image forming apparatus using same, and method of manufacturing liquid dispenser head |
| 05/01/2008 | US20080098582 Piezoelectric/electrostriction element manufacturing method |
| 04/30/2008 | DE19960325B4 Schwingungsaufnehmer mit einer Druckhülse Vibration sensor with a pressure sleeve |
| 04/30/2008 | DE102007050410A1 Electronic device e.g. mobile phone, has microphones for receiving audio signals, and controller for selectively adjusting one microphone to receive surrounding noises, where microphones comprise film bulk acoustic structures |
| 04/30/2008 | DE102007045494A1 Ultraschallsensor Ultrasonic sensor |
| 04/30/2008 | DE102006050037A1 Ultrasonic transducer for motor vehicle, has damping unit for damping vibrations of wall, arranged in diaphragm pot in edge section of diaphragm and connected with edge section and inner side of wall in force-fitting manner |
| 04/30/2008 | CN201054787Y An improved piezoelectric sound maker |
| 04/30/2008 | CN201054786Y An improved piezoelectric sound maker |
| 04/30/2008 | CN100385999C Surface mounting elemctronic element encapsulation |
| 04/30/2008 | CN100385701C Domain controlled piezoelectric monocrystal component and its mfg. method |
| 04/30/2008 | CN100385699C Piezoelectric devices and manufacturing method thereof |
| 04/29/2008 | US7364007 Integrated acoustic transducer assembly |
| 04/24/2008 | WO2008048850A2 Miniature non-directional microphone |
| 04/24/2008 | WO2008047743A1 Ultrasonic sensor |
| 04/24/2008 | US20080093952 Hypersonic transducer |
| 04/24/2008 | US20080092354 Piezoelectric bimorph beam manufacturing method |
| 04/24/2008 | DE102007044490A1 Ultraschallsensor zur Verwendung in einem Kraftfahrzeug Ultrasonic sensor for use in a motor vehicle |
| 04/17/2008 | US20080090024 Connecting an ultrasonic energy source to a horn, at least a leading 1/8 wavelength of which is ceramic;immersing a leading portion of the horn in a metal melt and delivering vibrations to the fluid; durability; continuous process of infiltrating fiber tow with aluminum to make composite wire |
| 04/17/2008 | US20080090023 Connecting an ultrasonic energy source to a horn, at least a leading 1/8 wavelength of which is ceramic;immersing a leading portion of the horn in a metal melt and delivering vibrations to the fluid; durability; continuous process of infiltrating fiber tow with aluminum to make composite wire |
| 04/17/2008 | US20080089179 Ultrasonic transducer, manufacturing method of ultrasonic transducer, and ultrasonic endoscope |
| 04/17/2008 | DE10328840B4 Mehrdimensionale Transduceranordnungen und Verfahren zu deren Herstellung Multi-dimensional transducer assemblies, and methods for their preparation |
| 04/17/2008 | DE102005061529B4 Bleizirkonattitanat mit Nickel-Molybdän-Dotierung, Verfahren zum Herstellen eines piezokeramischen Bauteils unter Verwendung des Bleizirkonattitanats und Verwendung des piezokeramischen Bauteils Lead zirconate titanate with a nickel-molybdenum-doping method of manufacturing a piezoceramic component using the lead zirconate titanate and use of the piezoceramic component |
| 04/16/2008 | CN100382351C Method of producing piezoelectric ceramic device |
| 04/15/2008 | US7358650 Ultrasound probe |
| 04/10/2008 | US20080085020 Vibration unit |
| 04/10/2008 | DE102007047274A1 Ultraschallsensor Ultrasonic sensor |
| 04/09/2008 | EP1909079A1 Oscillatory wave detecting apparatus |
| 04/09/2008 | EP1673961B1 Valve and dispensing device comprising one such valve |
| 04/08/2008 | US7355926 Portable low frequency projector |
| 04/03/2008 | DE102007046031A1 Ultraschallsensor Ultrasonic sensor |
| 04/03/2008 | DE102007039598A1 Ultrasonic sensor for use in obstacle detection device e.g. vehicle, has waveguides guiding ultrasonic wave between outer side and outer layers, where opening edges of openings of waveguides are smaller than surface of layers |