| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 05/21/2013 | US8447057 Packages and methods for packaging MEMS microphone devices |
| 05/16/2013 | US20130121514 Flexible piezoelectric sound-generating devices |
| 05/16/2013 | US20130121509 Sound Transducer with Interdigitated First and Second Sets of Comb Fingers |
| 05/16/2013 | DE102011118644A1 Ultraschallwandler und korrespondierende Vorrichtung zur Umfelderfassung in einem Fahrzeug Ultrasonic transducers and corresponding apparatus for detecting the surroundings in a vehicle |
| 05/16/2013 | DE102011086208A1 Stimulation electrode for ear implant for deaf patient, has electromechanical transducer comprising two electrode units that are arranged on two respective sides of elongate strip-shaped piezoelectric element |
| 05/14/2013 | US8442256 Boundary microphone and desktop electro-acoustic transducer |
| 05/14/2013 | US8442243 Ribbon microphone |
| 05/14/2013 | US8438709 Method of fabricating a piezoelectric vibrator |
| 05/10/2013 | WO2013065657A1 Stacked piezoelectric element, ultrasound transducer, and method of manufacturing stacked piezoelectric element |
| 05/10/2013 | WO2013065359A1 Ultrasonic sensor |
| 05/10/2013 | WO2013065310A1 Ultrasound probe |
| 05/10/2013 | WO2013065231A1 Ultrasonic sensor and ultrasonic flowmeter using same |
| 05/09/2013 | US20130114378 Widebeam Acoustic Transducer |
| 05/08/2013 | EP2590435A1 Vibration device |
| 05/08/2013 | DE10354026B4 Piezoelektrische Membran und deren Verwendung in einem elektroakustischen Wandler Piezoelectric diaphragm and its use in an electro-acoustic transducer |
| 05/08/2013 | DE10261033B4 Ultraschall-Transceiver und diesen verwendendes Ultraschall-Abstandssonar Ultrasonic transceiver ultrasonic distance-use and these Sonar |
| 05/08/2013 | DE102011114471B4 Membrananordnung zur Schallerzeugung Diaphragm assembly for generating sound |
| 05/08/2013 | CN103096226A Piezoelectric loudspeaker |
| 05/08/2013 | CN103096225A Bone conduction microphone |
| 05/02/2013 | WO2013061384A1 Acoustic wave sensor |
| 05/02/2013 | DE102011121006A1 Elektroakustischer Wandler Electro-acoustic transducer |
| 05/01/2013 | EP2587837A1 Acoustic generator |
| 04/30/2013 | US8429800 Methods for manufacturing piezoelectric vibrating pieces |
| 04/25/2013 | WO2013058297A1 Ultrasonic transducer |
| 04/25/2013 | WO2013058237A1 Dielectric film and transducer using same |
| 04/25/2013 | US20130100779 Acoustic sensor and fabrication method thereof |
| 04/24/2013 | CN103067839A 压电扬声器 Piezoelectric speaker |
| 04/24/2013 | CN103067838A High sensitivity piezoelectric silicon microphone and preparation method thereof |
| 04/24/2013 | CN103067837A Transducer module |
| 04/23/2013 | US8424175 Process for fabricating piezoelectrically actuated ultrananocrystalline diamond tip array integrated with ferroelectric or phase change media for high-density memory |
| 04/18/2013 | US20130094681 Acoustic Generator |
| 04/18/2013 | US20130091953 Air in line detector with loading enhancements |
| 04/18/2013 | DE102011084541A1 Mikro-elektromechanisches Lautsprecherarray und Verfahren zum Betreiben eines mikro-elektromechanischen Lautsprecherarrays Micro-electro-mechanical speaker array, and method for operating a micro-electro-mechanical speaker array |
| 04/18/2013 | DE102011084537A1 Ultraschallsensorarray Ultrasonic sensor array |
| 04/17/2013 | EP2581219A2 Voice film having multi-layer structure for plate-type speaker |
| 04/17/2013 | CN202889620U Multifunctional piezoelectric osophone and touch force feedback system integrated with glasses |
| 04/17/2013 | CN202889619U Piezoelectric ceramic flat plate vibration loudspeaker oscillator |
| 04/17/2013 | CN202889618U Novel skin contact piezoelectric type microphone |
| 04/17/2013 | CN103053147A Transmitter/receiver Unit And Receiver Unit |
| 04/16/2013 | US8418331 Method of fabricating a duplexer using an embedded PCB |
| 04/16/2013 | CA2475692C Surface acoustic antenna for submarines |
| 04/11/2013 | WO2013051525A1 Ultrasonic sensor |
| 04/11/2013 | WO2013051524A1 Ultrasonic sensor and manufacturing method therefor |
| 04/11/2013 | WO2013051400A1 Ultrasonic-wave generation device |
| 04/11/2013 | WO2013051328A1 Piezoelectric vibration device and portable terminal using same |
| 04/10/2013 | EP2579615A1 Ultrasonic probe and method of manufacturing thereof |
| 04/10/2013 | CN103039061A 便携式终端设备 The portable terminal device |
| 04/04/2013 | WO2013047875A1 Electroacoustic converter film, flexible display, vocal cord microphone, and musical instrument sensor |
| 04/04/2013 | WO2013047872A1 Electroacoustic converter and display device |
| 04/04/2013 | WO2013047544A1 Ultrasonic sensor |
| 04/04/2013 | WO2013046909A1 Piezoelectric vibration device and mobile terminal using same |
| 04/04/2013 | WO2013044909A1 Diaphragm arrangement for generating sound |
| 04/04/2013 | US20130081470 Ultrasonic sensor and method for manufacturing the same |
| 04/04/2013 | US20130081239 Method of manufacturing actuator for micro ejector |
| 04/04/2013 | DE102008027970B4 Ultraschallsensor Ultrasonic sensor |
| 04/03/2013 | CN202856970U Piezoelectric type low-energy wideband attention device for automobiles |
| 03/28/2013 | WO2013042317A1 Sound reproduction device |
| 03/28/2013 | WO2013042316A1 Directional loudspeaker |
| 03/28/2013 | US20130077444 Device and method to determine the position of a component that is moveable in a linear manner along an assigned axis |
| 03/28/2013 | US20130077443 Oscillation device and electronic apparatus |
| 03/28/2013 | US20130076207 Transducer structure for a transducer probe and methods of fabricating same |
| 03/28/2013 | DE102011114471A1 Membrananordnung zur Schallerzeugung Diaphragm assembly for generating sound |
| 03/28/2013 | DE102010055836B4 Piezoelektrische Stoßwellenquelle Piezoelectric shock wave source |
| 03/27/2013 | CN202841517U 防水压电陶瓷喇叭 Waterproof piezoelectric ceramic speakers |
| 03/27/2013 | CN103004236A Acoustic apparatus and oscillating unit |
| 03/27/2013 | CN103003673A Ultrasonic flow measurement unit and ultrasonic flowmeter using same |
| 03/27/2013 | CN103002388A Multifunctional piezoelectric bone conduction earphone and touch force feedback system integrated with glasses |
| 03/27/2013 | CN103002387A Laminated piezoelectric type loudspeaker device |
| 03/26/2013 | US8402622 Method for producing liquid transport apparatus including piezoelectric actuator and method for producing piezoelectric actuator |
| 03/21/2013 | WO2013039033A1 Communication device |
| 03/20/2013 | CN202818594U Piezoelectric squealer structure for raising sound pressure value |
| 03/20/2013 | CN102986249A Vibration device and electronic device |
| 03/20/2013 | CN102111703B Diaphragm perforating type piezoelectric flat speaker |
| 03/20/2013 | CN101911728B Acoustic transducer |
| 03/19/2013 | US8397358 Method of manufacturing a liquid ejecting head |
| 03/14/2013 | DE102011082615A1 Ultraschallwandler eines Ultraschall-Durchflussmessgeräts Ultrasonic transducer of an ultrasonic flowmeter |
| 03/13/2013 | EP2568720A1 Vibration device and electronic device |
| 03/13/2013 | CN102972046A Oscillation device and electronic component |
| 03/13/2013 | CN101588528B Novel acoustical-electrical converter and microphone |
| 03/07/2013 | WO2013033066A1 Ultrasound device and therapeutic methods |
| 03/07/2013 | WO2013032821A1 Piezoelectric microphone fabricated on glass |
| 03/07/2013 | WO2013032820A1 Piezoelectric microphone fabricated on glass |
| 03/07/2013 | WO2013031715A1 Layered piezoelectric element |
| 03/07/2013 | WO2013031580A1 Ultrasonic probe and ultrasonic diagnostic apparatus |
| 03/07/2013 | WO2013031312A1 Ultrasonic vibrator and ultrasonic observation device |
| 03/07/2013 | WO2013031168A1 Ultrasound probe and ultrasound diagnosis apparatus |
| 03/06/2013 | CN102959993A Ultrasonic probe and ultrasonic diagnostic device |
| 03/06/2013 | CN102959992A Vibration device and electronic device |
| 03/06/2013 | CN102959991A Vibration device |
| 03/06/2013 | CN102959990A 压电器件 Piezoelectric devices |
| 03/06/2013 | CN102959989A Ultrasonic wave-generating device |
| 03/06/2013 | CN102959988A Acoustic generator |
| 03/06/2013 | CN102959987A Vibration device |
| 03/06/2013 | CN102959930A Mobile telephone |
| 03/06/2013 | CN102957994A Graphene film speaker and preparation method thereof |
| 03/06/2013 | CN101785047B Piezoelectric transducer device |
| 03/05/2013 | US8387220 Method of manufacturing a piezoelectric element |
| 02/28/2013 | WO2013027614A1 Method of manufacturing ultrasonic wave-generating device, method of manufacturing ultrasonic wave-processing device, ultrasonic wave-generating device and ultrasonic wave-processing device |
| 02/28/2013 | US20130051588 Electroacoustic Transducer having Reduced Losses due to Transverse Emission and Improved Performance due to Suppression of Transverse Modes |
| 02/28/2013 | US20130051587 Piezoelectric microphone fabricated on glass |