| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 02/28/2013 | US20130051586 Piezoelectric microphone fabricated on glass |
| 02/28/2013 | DE102011052900A1 Method of automatically detecting and classifying high frequency signals in air, involves examining two-dimensional allocation pattern to find for possible indicator wrong assignment, and output electromagnetic emission classification |
| 02/27/2013 | CN102946581A Loudspeaker device |
| 02/27/2013 | CN101877810B Piezoelectric loudspeaker adopting interdigital electrodes or spiral electrodes |
| 02/26/2013 | US8382453 Piezoelectric pump, cooling device, and electronic apparatus |
| 02/26/2013 | US8381387 Method of fabricating an ultrasonic transducer |
| 02/26/2013 | US8381378 Methods of forming micromechanical resonators having high density trench arrays therein that provide passive temperature compensation |
| 02/21/2013 | US20130044565 Piezoelectric sensors for geophysical streamers |
| 02/20/2013 | CN202750226U Point constraint piezoelectric loudspeaker |
| 02/19/2013 | US8375538 Method for manufacturing piezoelectric actuator |
| 02/14/2013 | WO2013022287A2 Sound conversion device using piezoelectric driving body |
| 02/14/2013 | WO2013022286A2 Device for converting sound using piezoelectric driving body |
| 02/14/2013 | WO2013021906A1 Piezoelectric sound element |
| 02/14/2013 | WO2013021597A1 Ultrasound probe and flexible substrate used in ultrasound probe |
| 02/14/2013 | US20130039516 Sound Production Component |
| 02/13/2013 | EP2557811A1 Speaker apparatus and audio output method |
| 02/13/2013 | CN102933388A Voice film having multi-layer structure for plate-type speaker |
| 02/13/2013 | CN102932717A 能量转换模块 Energy conversion module |
| 02/12/2013 | US8371005 Stacked piezoelectric element, manufacturing method thereof and vibration wave driving apparatus |
| 02/07/2013 | WO2013019893A1 Eyewear with detachable adjustable electronics module |
| 02/07/2013 | WO2013018905A1 Ultrasound probe and ultrasound diagnostic device |
| 02/07/2013 | WO2013018579A1 Ultrasound transducer |
| 02/07/2013 | US20130034252 Transducer module |
| 02/07/2013 | DE102011079646A1 Ultraschallsensorvorrichtung zum Erfassen und/oder Senden von Ultraschall Ultrasonic sensor device for detecting and / or transmitting ultrasonic |
| 02/06/2013 | CN102112060B Ultrasonic probe |
| 02/06/2013 | CN101536545B Ultrasound probe |
| 02/06/2013 | CN101494810B Sound play device and method |
| 02/05/2013 | US8369556 Microphone pop filter |
| 02/05/2013 | US8369544 Microphone component and a method for its manufacture |
| 02/05/2013 | US8365373 Agile tunable piezoelectric solidly-mounted resonator |
| 02/05/2013 | US8365372 Piezoelectric oscillating circuit, method for manufacturing the same and filter arrangement |
| 02/05/2013 | US8365371 Methods for manufacturing piezoelectric vibrating devices |
| 01/31/2013 | WO2013015107A1 Piezoelectric excitor |
| 01/31/2013 | US20130028459 Monolithic Silicon Microphone |
| 01/31/2013 | DE102008028200B4 Ultraschallwandler mit variabler Fokuseinstellung Ultrasonic transducer with variable focusing |
| 01/31/2013 | DE102007050410B4 Elektronische Vorrichtung und Mikrofonvorrichtung Electronic device and microphone device |
| 01/30/2013 | CN102907117A Low-profile ultrasound transducer |
| 01/29/2013 | US8363863 Piezoelectric speaker, speaker apparatus, and tactile feedback apparatus |
| 01/29/2013 | US8359748 Method of forming micromachined fluid ejectors using piezoelectric actuation |
| 01/29/2013 | US8359747 Method for manufacturing liquid ejecting head |
| 01/24/2013 | DE102011108444A1 Ultrasonic sensor arrangement for ultrasonic transducer installed and hidden on road vehicle, has target oscillation region of body portion, where volume above target oscillation region of surface optionally encloses side of body portion |
| 01/24/2013 | DE102011108403A1 Montageverbund eines Kraftfahrzeugs Mounting shroud collar of a motor vehicle |
| 01/24/2013 | DE102007016068B4 Ultraschallsensor Ultrasonic sensor |
| 01/23/2013 | EP2549557A2 Electric energy generating device |
| 01/22/2013 | US8356393 Method for manufacturing a polymeric piezoelectric film |
| 01/22/2013 | CA2721971C System and method of an acoustic flow meter with dual flow measurements |
| 01/22/2013 | CA2307364C Piezoelectric accelerometer with laterally stabilizing element |
| 01/17/2013 | WO2013008470A1 Method for manufacturing acoustic matching body, acoustic matching body, ultrasonic transducer using acoustic matching body, and ultrasonic flowmeter |
| 01/17/2013 | WO2013008418A1 Lead-free piezoelectric ceramic composition, method for producing same, piezoelectric element using lead-free piezoelectric ceramic composition, ultrasonic processing machine, ultrasonic drive device, and sensing device |
| 01/17/2013 | US20130016860 Thin-film speaker system and methods for making and using the same |
| 01/17/2013 | US20130015744 Saw filter having planar barrier layer and method of making |
| 01/17/2013 | DE102010025857B4 Ultraschallsensor, Kardiotokograph und System zur Bildgebung eines Herzens Ultrasonic sensor, cardiotocograph and system for imaging of a heart |
| 01/17/2013 | DE102008017067B4 Elektroakustische Wandleranordnung Electroacoustic transducer assembly |
| 01/16/2013 | CN102883253A 压电陶瓷骨传导振子 Piezoelectric ceramic bone conduction vibrator |
| 01/16/2013 | CN102883252A Cone-shaped ultra-waveguide vibrator of ultrasonic transducer |
| 01/09/2013 | CN202663537U Diaphragm-type loudspeaking device |
| 01/09/2013 | CN102870010A Apparatus and method for generating broad bandwidth acoustic energy |
| 01/09/2013 | CN101820569B Formula of multilayer piezoelectric ceramic for loudspeaker drive and production method thereof |
| 01/09/2013 | CN101742387B Low background sound bone and skin vibration type microphone and spectacles containing same |
| 01/08/2013 | US8351633 Noise cancelling microphone with wind shield |
| 01/08/2013 | US8347719 Piezoelectric frame and piezoelectric device incorporating same |
| 01/08/2013 | US8347469 Crystal oscillator piece and method for manufacturing the same |
| 01/03/2013 | WO2013002384A1 Acoustic generator and acoustic generation device using same |
| 01/03/2013 | WO2013002042A1 Piezoelectric vibration element |
| 01/02/2013 | EP2541972A1 Piezoelectric acoustic transducer |
| 01/02/2013 | CN102860040A Lens for ultrasonic diagnosis apparatus and probe for ultrasonic diagnosis apparatus |
| 01/02/2013 | CN101641966B Piezoelectric sound transducer |
| 01/01/2013 | US8344596 Transducer arrangements for ultrasonic surgical instruments |
| 01/01/2013 | US8341814 Methods for manufacturing piezoelectric devices |
| 12/27/2012 | US20120328132 Perforated Miniature Silicon Microphone |
| 12/27/2012 | US20120327747 Reflected acoustic wave modulation |
| 12/26/2012 | CN1894999B Piezoelectric electro-acoustic converter |
| 12/26/2012 | CN102843637A Cylindrical transducer with stacked piezoelectric circular tubes with different internal diameters |
| 12/20/2012 | WO2012172775A1 Ultrasonic sensor device |
| 12/20/2012 | WO2012172733A1 Method for producing porous silica body |
| 12/20/2012 | WO2012172136A1 Torsion wave transducer |
| 12/20/2012 | WO2012112540A3 Piezoelectric transducers using micro-dome arrays |
| 12/20/2012 | DE102011105047A1 Ultrasonic sensor device for e.g. parking assistance system of vehicle, has transmission directivity element that is integrated with holder used for holding ultrasonic sensor to covering component of vehicle |
| 12/20/2012 | DE102011105046A1 Ultraschallsensorvorrichtung für ein Fahrzeug sowie Anordnung mit einer derartigen Ultraschallsensorvorrichtung Transducer apparatus for a vehicle, and arrangement with such a transducer device |
| 12/20/2012 | DE102011105017A1 Ultraschallsensorvorrichtung für ein Fahrzeug sowie Anordnung mit einer derartigen Ultraschallsensorvorrichtung Transducer apparatus for a vehicle, and arrangement with such a transducer device |
| 12/20/2012 | DE102011105013A1 Ultraschallsensorvorrichtung für ein Fahrzeug sowie Anordnung mit einer Ultraschallsensorvorrichtung Transducer apparatus for a vehicle and assembly comprising a transducer device |
| 12/20/2012 | DE102011077558A1 Vorrichtung zum Senden und/oder Empfangen von Schallsignalen An apparatus for transmitting and / or receiving sound signals |
| 12/20/2012 | DE102011077553A1 Ultraschallwandler mit Piezoelement und Abstandssensor Ultrasonic transducer piezo element and distance sensor |
| 12/19/2012 | CN202617344U Piezoelectric ceramic transducer |
| 12/19/2012 | CN202617341U Flat sounder |
| 12/19/2012 | CN1860823B A microphone component and a method for its manufacture |
| 12/19/2012 | CN102835130A Speaker apparatus and audio output method |
| 12/19/2012 | CN102833658A Ultrasonic transducer with piezoelectric element and distance sensor |
| 12/19/2012 | CN102833657A Energy conversion module |
| 12/19/2012 | CN102260409B Silicon foaming adhesive composition and preparation method, silicon foaming adhesive and ultrasonic sensor |
| 12/18/2012 | US8333721 Tissue-retaining system for ultrasound medical treatment |
| 12/18/2012 | US8332995 Method of manufacturing a piezoelectric component |
| 12/13/2012 | WO2012169568A1 Ultrasound probe |
| 12/13/2012 | DE112009005416T5 In der luft befindlicher ultraschallsensor Of airborne ultrasound sensor |
| 12/13/2012 | DE102011077352A1 Sensoranordnung eines Sensorsystems einer fahrbaren Plattform sowie Sensorsystem Sensor assembly of a sensor system of a mobile platform and sensor system |
| 12/12/2012 | CN202602886U Piezoelectric ceramic loudspeaker with improved bass performance |
| 12/12/2012 | CN202602885U Piezoelectric transducer |
| 12/12/2012 | CN102823275A Sound producing component |
| 12/12/2012 | CN102036153B Double-film type piezoelectric ceramic loudspeaker |
| 12/06/2012 | WO2012165573A1 Ultrasound probe |