| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 05/12/2011 | US20110107570 Duplexer using an embedded pcb and method of fabricating the same |
| 05/12/2011 | DE102009051057A1 Implantable sensor-actuator transducer device for hearing rehabilitation in middle ear for treatment of hearing loss, has decoupling unit decoupling reactions of actuator on sensor and generating effect opposite to effect of actuator |
| 05/12/2011 | DE102009046149A1 Method for manufacturing ultrasonic flowmeter utilized for e.g. volume flow measurement of air in intake system of internal combustion engine of motor vehicle, involves utilizing adjusting body with porous body of polymer |
| 05/12/2011 | DE102009046146A1 Ultraschallwandler zum Einsatz in einem fluiden Medium An ultrasonic transducer for use in a fluid medium |
| 05/12/2011 | DE102009046145A1 Ultraschallwandler zum Einsatz in einem fluiden Medium An ultrasonic transducer for use in a fluid medium |
| 05/12/2011 | DE102009046143A1 Method for manufacturing ultrasonic converter utilized in e.g. ultrasonic flow meter in exhaust gas system of internal combustion engine of commercial vehicle, involves connecting housing part with sealing element during molding process |
| 05/12/2011 | DE102007047274B4 Ultraschallsensor Ultrasonic sensor |
| 05/11/2011 | CN201830439U Contact sliding sensing device on surface of manipulator |
| 05/11/2011 | CN102056060A Piezoelectric speaker and drive amplifying system adopting same |
| 05/05/2011 | WO2011052521A1 Speaker device |
| 05/05/2011 | US20110102516 Printhead unit |
| 05/05/2011 | US20110102108 Surface acoustic wave device and method for manufacturing the same |
| 05/05/2011 | DE102009051713A1 Elektomechanischer Wandler Elektomechanischer converter |
| 05/05/2011 | DE102009046148A1 Ultraschallwandler zum Einsatz in einem fluiden Medium An ultrasonic transducer for use in a fluid medium |
| 05/05/2011 | DE102009046147A1 Ultraschallwandler zum Einsatz in einem fluiden Medium An ultrasonic transducer for use in a fluid medium |
| 05/04/2011 | EP1337351B1 Surface with varying electrical properties |
| 05/04/2011 | CN1839659B Transducer |
| 05/04/2011 | CN102047459A Sheet-type vibrating body and acoustic equipment |
| 05/04/2011 | CN102047081A System and method of an acoustic flow meter with dual flow measurements |
| 05/04/2011 | CN102045628A Teleconference device |
| 05/04/2011 | CN102045627A Radio device and electronic device using same |
| 05/03/2011 | US7934814 Droplet ejection head and method of manufacturing the same |
| 04/28/2011 | DE102009040028A1 Ultrasonic transducer for use in distance warning device of motor vehicle, has electromechanical oscillation generator for vibration excitation of membrane and connected with membrane by mechanical connection in form-fit manner |
| 04/27/2011 | CN102037740A Piezoelectric speaker, speaker device and tactile feedback device |
| 04/27/2011 | CN102036153A Double-film type piezoelectric ceramic loudspeaker |
| 04/27/2011 | CN101509942B Ultrasonic transducer frequency response characteristic detecting method |
| 04/26/2011 | CA2520912C Ultrasonic energy system and method including a ceramic horn |
| 04/21/2011 | DE102009049487A1 Elektroakustischer Wandler Electro-acoustic transducer |
| 04/20/2011 | EP2310809A2 System and method of an acoustic flow meter with dual flow measurements |
| 04/20/2011 | CN201805546U Piezoelectric loudspeaker |
| 04/20/2011 | CN1578537B Piezoelectric vibrator |
| 04/20/2011 | CN1575028B Exciting device |
| 04/20/2011 | CN102027609A Piezoelectric element and audio equipment |
| 04/19/2011 | US7926153 Method for production of liquid ejecting head unit |
| 04/14/2011 | WO2011041951A1 Piezoelectric film ultrasonic sensor electrode |
| 04/14/2011 | DE202011001757U1 Mehrteiliger Ultraschall-Kugeltransmitter Multi-part ultrasonic transmitter ball |
| 04/14/2011 | DE112009001424T5 Asymmetrischer Komposit-Schallwellensensor Asymmetric composite acoustic wave sensor |
| 04/14/2011 | DE102009048779A1 Ultraschallwandler Ultrasonic transducer |
| 04/13/2011 | EP1206856B1 Sound communication system between a portable unit and a communication terminal |
| 04/12/2011 | US7923970 Charge controlling circuit |
| 04/06/2011 | CN102006540A Piezoelectric micro speaker having piston diaphragm and method of manufacturing the same |
| 03/31/2011 | WO2011035746A1 Electroacoustic transducer |
| 03/31/2011 | US20110075521 Acoustic transducer |
| 03/31/2011 | US20110075520 Seismic source which incorporates earth coupling as part of the transmitter resonance |
| 03/30/2011 | EP2302950A2 Acoustic transducer |
| 03/30/2011 | EP2301442A1 Ultrasonic probe |
| 03/29/2011 | US7916886 Microphone with low frequency noise shunt |
| 03/29/2011 | US7916880 Transducer |
| 03/29/2011 | US7916879 Electrostatic acoustic transducer based on rolling contact micro actuator |
| 03/29/2011 | US7913388 Ink jet print head and manufacturing method thereof |
| 03/29/2011 | US7913367 Method of manufacturing a piezoelectric component |
| 03/29/2011 | US7913366 Ultrasonic probe and manufacturing process thereof |
| 03/24/2011 | WO2011033666A1 Medical array ultrasonic probe and medical ultrasonic diagnostic device |
| 03/23/2011 | EP2297976A2 Piezoelectric mems microphone |
| 03/23/2011 | CN1929699B Electro-acoustic transducer device |
| 03/22/2011 | US7910046 Method of laminating articles |
| 03/22/2011 | US7908924 Sound focusing mechanism and method of estimating acoustic leakage of an object and method of estimating transmission loss of an object |
| 03/22/2011 | US7908721 Method of manufacturing an ultrasound probe transducer assembly |
| 03/17/2011 | US20110064341 Disk drive device capable of being improved in anti-vibration characteristic |
| 03/17/2011 | US20110064250 Piezoelectric micro speaker including annular ring-shaped vibrating membranes and method of manufacturing the piezoelectric micro speaker |
| 03/17/2011 | DE202011001188U1 Piezoelektrischer Keramikschallwandler A piezoelectric ceramic transducer |
| 03/17/2011 | DE102009040374A1 Ultrasonic transducer for vehicle body, is provided with decoupling ring for damping vibrations between shielded conductive housing and vibration-generating membrane |
| 03/15/2011 | US7905000 Piezoceramic multilayer actuator and method for the production thereof |
| 03/10/2011 | WO2011027200A1 Siren |
| 03/10/2011 | DE102009040264A1 Ultrasonic waves producing method for e.g. aircraft, involves causing thickness mode of vibrations between converter and component during activation of converter, and producing ultrasonic waves by thickness mode of vibrations |
| 03/09/2011 | CN201758436U Piezoelectric speaker |
| 03/08/2011 | US7902722 Transducer apparatus for intravascular blood flow measurement |
| 03/08/2011 | US7900355 Ink-jet head and method for manufacturing the same |
| 03/08/2011 | US7900328 Method for manufacturing fluid ejecting head and method for manufacturing fluid ejecting apparatus |
| 03/08/2011 | CA2463412C Hybrid piezoelectric and magnetostrictive actuator |
| 03/03/2011 | WO2011024713A1 Mount structure of touch panel with vibrating function |
| 03/03/2011 | WO2011006277A8 Piezoelectric speaker adopting interdigital or spiral electrode |
| 03/02/2011 | EP2290719A1 Piezoelectric element and audio equipment |
| 03/02/2011 | EP2289443A2 Faceted ultrasound medical transducer assembly |
| 03/02/2011 | EP2289392A1 Implantable medical device with integrated acoustic transducer |
| 03/02/2011 | CN1839660B Sound matching body, process for producing the same, ultrasonic sensor and ultrasonic wave transmitting/receiving system |
| 03/01/2011 | US7898905 Reconfigurable array with locally determined switch configuration |
| 03/01/2011 | US7898154 Ultrasound probe and method for manufacturing the same |
| 03/01/2011 | US7895720 Methods of fabricating a membrane with improved mechanical integrity |
| 02/24/2011 | WO2011021086A1 Ultrasonic sensor |
| 02/24/2011 | US20110044476 System to generate electrical signals for a loudspeaker |
| 02/24/2011 | DE102004040474B4 Elektrisch leitfähige Anpassschichten und Verfahren Electrically conductive matching layers and methods |
| 02/24/2011 | DE102004007247B4 Piezoelektrischer, elektroakustischer Wandler Piezoelectric, electro-acoustic transducer |
| 02/23/2011 | EP2288179A1 Piezoelectric speaker, speaker device and tactile feedback device |
| 02/23/2011 | EP2286988A1 Ferroelectric dual and multiple layer compound and method for its manufacture |
| 02/22/2011 | US7894307 Acoustic projector having minimized mechanical stresses |
| 02/22/2011 | US7891065 Method of manufacturing of a liquid jet head, method of manufacturing of a piezoelectric element and a liquid jet apparatus |
| 02/17/2011 | US20110040184 Method for monitoring of medical treatment using pulse-echo ultrasound |
| 02/17/2011 | US20110035916 Method For Manufacturing Package, Method of Manufacturing Piezoelectric Vibrator, Piezoelectric Vibrator, Oscillator, Electronic Device, and Radio-Controlled Timepiece |
| 02/16/2011 | CN201750546U Ceramic piezoelectric speaker |
| 02/15/2011 | US7889601 Lightweight acoustic array |
| 02/10/2011 | US20110034809 High Resolution Intravascular Ultrasound Transducer Assembly Having A Flexible Substrate |
| 02/10/2011 | US20110032309 Inkjet head, method of manufacturing the same, and electrical connection device therefor |
| 02/09/2011 | CN1965609B Ultrasonic transducer and ultrasonic speaker using the same |
| 02/09/2011 | CN1829395B Ultrasonic sensor having transmission device and reception device of ultrasonic wave |
| 02/03/2011 | WO2011013225A1 Speaker device |
| 02/03/2011 | WO2011012152A1 Panel with piezoelectric devices |
| 02/03/2011 | US20110026366 Water Inflatable Volumetric Hydrophone Array |
| 02/01/2011 | US7881484 Capacitor microphone |
| 02/01/2011 | US7877875 Method for connecting a flexible printed circuit board (PCB) to a printhead assembly |