Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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08/31/2012 | DE202012103099U1 Struktur zur Hemmung der Antiphase des piezoelektrischen Keramik-Lautsprechers Structure for inhibiting the anti-phase of the piezoelectric ceramic speaker |
08/30/2012 | DE202012007375U1 Drahtloses Piezo Tonabnahmesystem für Schuhe (zB:Flamenco, Step-Tanz) Wireless piezo Tonabnahmesystem for shoes (eg: flamenco, tap dancing) |
08/29/2012 | CN102652435A Ultrasound probe |
08/28/2012 | US8254618 Microphone |
08/28/2012 | US8254616 Microphone with a low frequency noise shunt |
08/28/2012 | US8252598 Method of sensing chemical and bio-molecular analytes and sensing system using a microcantilever |
08/23/2012 | WO2012112540A2 Piezoelectric transducers using micro-dome arrays |
08/23/2012 | US20120213388 Unidirectional Mechanical Amplification in a Microphone |
08/23/2012 | US20120213036 Electroacoustic Transducer, in Particular Transmitting Transducer |
08/23/2012 | DE102008006554B4 Ultraschallsensor mit piezoelektrischem Element und akustischem Anpassteil Ultrasonic sensor with a piezoelectric element and audible mating part |
08/22/2012 | CN1957851B Ultrasonic probe and ultrasonic diagnostic apparatus |
08/22/2012 | CN102647657A Monolithic integrated MEMS (Micro-electromechanical Systems) piezoresistive ultrasonic sensor |
08/22/2012 | CN102647656A Sound production device |
08/21/2012 | USRE43595 Noise attenuating headset |
08/16/2012 | WO2012108448A1 Piezoelectric speaker |
08/16/2012 | WO2012108447A1 Piezoelectric device and piezoelectric speaker |
08/15/2012 | EP2487934A1 Piezoelectric film ultrasonic sensor electrode |
08/15/2012 | EP2486301A2 Active 3d.o.f. stiffness element |
08/15/2012 | CN202385269U Bicrystal piezoelectric ceramic chip and bicrystal piezoelectric ceramic loudspeaker made from same |
08/15/2012 | CN101349152B Acoustic transducers suitable for underground |
08/14/2012 | US8240015 Method of manufacturing thin film resonator |
08/14/2012 | US8240014 Method of manufacturing a fuel injector having an encased piezo electric actuator |
08/02/2012 | WO2012102394A1 Ultrasonic transducer, ultrasonic probe, and method for producing ultrasonic transducer |
08/01/2012 | EP2481221A1 Electroacoustic transducer |
08/01/2012 | CN202364372U Piezoelectric ceramic loudspeaker with resonant chamber |
08/01/2012 | CN102625218A Vehicle approach warning apparatus |
07/31/2012 | US8230596 Method of manufacturing a liquid ejection head |
07/31/2012 | US8230563 Method of manufacturing a piezoelectric component |
07/31/2012 | US8230562 Method of fabricating an acoustic resonator comprising a filled recessed region |
07/30/2012 | DE202012005178U1 Montageanordnung von Piezolautsprecher-System Mounting arrangement of piezo speaker system |
07/26/2012 | WO2012099573A1 An improved focused acoustic transducer |
07/26/2012 | US20120188850 Ultrasonic sensor unit and electronic device |
07/25/2012 | CN202353806U 陶瓷喇叭 Ceramic Speaker |
07/25/2012 | CN202353805U Cone-shaped super waveguide vibrator of ultrasonic transducer |
07/25/2012 | CN102611967A Bicrystal piezoelectric ceramic wafer and bicrystal piezoelectric ceramic loudspeaker made by same |
07/24/2012 | US8225472 Methods of fabricating a membrane with improved mechanical integrity |
07/24/2012 | US8225470 Process of making series connected interdigitated transducers with center chirping |
07/19/2012 | WO2012096048A1 Piezoelectric vibration component |
07/19/2012 | US20120180276 Manufacturing method of inkjet head |
07/17/2012 | US8224012 Vehicle accessory microphone |
07/11/2012 | EP2475189A2 Acoustic transducer and method of driving the same |
07/11/2012 | EP2473830A1 A mems stress concentrating structure for mems sensors |
07/11/2012 | CN202334878U 一种发声装置 One kind of sound equipment |
07/11/2012 | CN102576073A Ultrasonic sensor |
07/11/2012 | CN102572661A Piezoelectric speaker |
07/11/2012 | CN102572660A Piezoelectric speaker |
07/10/2012 | US8214983 Process for producing piezoelectric ceramic devices |
07/10/2012 | US8214982 Method of fabricating piezoelectric vibrating pieces |
07/05/2012 | WO2012090947A1 Transmitter/receiver unit and receiver unit |
07/05/2012 | WO2012090944A1 Mobile telephone |
07/05/2012 | WO2012090433A1 Electroacoustic transducer |
07/05/2012 | WO2012090383A1 Vibration device and electronic apparatus |
07/05/2012 | WO2012090382A1 Electronic apparatus |
07/05/2012 | US20120170422 Hydrophone and pressure balacing device for using for hydrophone |
07/04/2012 | CN202310094U 一种压电悬臂梁的压电扬声器 A piezoelectric cantilever piezoelectric speaker |
07/04/2012 | CN202310093U 锯齿状阵列式压电扬声器组 Jagged array of piezoelectric speaker group |
07/04/2012 | CN202310092U 压电振动器 The piezoelectric vibrator |
07/04/2012 | CN202310091U 一种圆筒形压电发声系统 One kind of cylindrical piezo sounder system |
07/04/2012 | CN202310090U 压电式声响器 Piezo sounder |
07/04/2012 | CN1843058B Piezoelectric electroacoustic transducer |
07/04/2012 | CN102547542A High-power composite piezoelectric transducer |
07/04/2012 | CN102547541A Piezoelectric sound component |
07/04/2012 | CN102547535A Piezoelectricity ceramic piece and piezoelectricity ceramic loudspeaker adopting same |
07/04/2012 | CN102075837B High-frequency high-sensitivity ultrasonic sensor |
07/04/2012 | CN101385391B Ultrasonic sensor and fabrication method thereof |
07/03/2012 | US8213643 Sound transducer for the transmission of audio signals |
07/03/2012 | US8209828 Method for making a piezoceramic device |
07/03/2012 | US8209826 Method for manufacturing a coupled resonator device |
06/28/2012 | WO2012087074A1 Acoustic actuator and acoustic actuator system |
06/28/2012 | WO2012086180A1 Oscillator device and electronic instrument |
06/28/2012 | WO2012086125A1 Oscillator device and electronic instrument |
06/28/2012 | WO2012086124A1 Oscillator device and electronic instrument |
06/28/2012 | US20120163638 Piezoelectric Sound Component |
06/28/2012 | US20120163131 Mono-directional Ultrasound Transducer for Borehole Imaging |
06/28/2012 | US20120163130 Tape cast multilayer sonar transducer and method |
06/28/2012 | US20120163120 Passive noise cancelling piezoelectric sensor apparatus and method of use thereof |
06/28/2012 | US20120163119 Combination motion and acoustic piezoelectric sensor apparatus and method of use therefor |
06/28/2012 | US20120160030 Flexible microsphere coated piezoelectric acoustic sensor apparatus and method of use therefor |
06/28/2012 | DE102010055836A1 Piezoelektrische Stoßwellenquelle Piezoelectric shock wave source |
06/27/2012 | EP2469889A2 Piezoelectric sound component |
06/21/2012 | US20120155678 Piezoelectric speaker |
06/21/2012 | DE102010063555A1 Vorrichtung zum Senden und/oder Empfangen eines Ultraschallsignals An apparatus for transmitting and / or receiving an ultrasonic signal |
06/21/2012 | DE102010063442A1 Sound-wave-based sensor i.e. ultrasound sensor, for detecting objects in environment of motor car during parking process, has membrane for generating and/or detecting sound waves and comprising protecting layers that are made of polymer |
06/21/2012 | DE102010063438A1 Schallwellenbasierter Sensor zur Umfelddetektion und Verwendung desselben The same sound wave-based sensor for detecting environment and use |
06/21/2012 | DE102010062990A1 Schallwandler mit zumindest einem Piezoelement Sound transducer with at least one piezo element |
06/20/2012 | CN101313628B Electroacoustic transducer |
06/19/2012 | US8203912 CMUTs with a high-k dielectric |
06/19/2012 | US8201311 Process of making a BAW resonator bi-layer top electrode |
06/14/2012 | WO2012077224A1 Aerial ultrasonic sensor |
06/14/2012 | WO2012054280A4 Compliant couplant with liquid reservoir for transducer |
06/14/2012 | US20120148073 Piezoelectric speaker |
06/14/2012 | US20120147708 Proximity sensor used by an operation robot and method of operating the proximity sensor |
06/14/2012 | DE102010063050A1 Method of manufacturing piezoelectric acoustic transducer for vehicle, involves introducing solid materials having electrical insulating properties in gap between electrodes, when polarization voltage is applied in gap between electrodes |
06/14/2012 | DE102010063001A1 Schallwandler mit zumindest einem Piezoelement Sound transducer with at least one piezo element |
06/14/2012 | DE102010053713A1 Elektroakustische Wandleranordnung und Verfahren zum Betreiben einer elektroakustischen Wandleranordnung Electroacoustic transducer arrangement and method for operating an electro-acoustic transducer arrangement |
06/14/2012 | DE102009061087B3 Ultraschallsensor Ultrasonic sensor |
06/14/2012 | DE102006061886B4 Ultraschallsensor Ultrasonic sensor |
06/14/2012 | DE102005040081B4 Ultraschallsensor Ultrasonic sensor |
06/13/2012 | CN101543095B Ultrasonic transducer |
06/13/2012 | CN101371616B Ultrasonic sensor |