| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 05/23/2000 | US6067016 EAS marker and method of manufacturing same |
| 05/23/2000 | US6065349 Prestressed annular acoustic transducer |
| 05/17/2000 | EP1001653A2 Piezoelectric loudspeaker |
| 05/16/2000 | US6064746 Piezoelectric speaker |
| 05/11/2000 | WO2000026971A1 Multilayer electronic part, its manufacturing method, two-dimensionally arrayed element packaging structure, and its manufacturing method |
| 05/10/2000 | EP0999723A2 Piezoelectric speaker, method for producing the same, and speaker system including the same |
| 05/09/2000 | US6060818 SBAR structures and method of fabrication of SBAR.FBAR film processing techniques for the manufacturing of SBAR/BAR filters |
| 05/04/2000 | WO2000025297A2 Ultrasonic transducer having a tilted support, and method of manufacture |
| 05/04/2000 | WO2000006309A3 Off-aperture electrical connection for ultrasonic transducer |
| 05/04/2000 | CA2347212A1 Ultrasonic transducer having a tilted support, and method of manufacture |
| 04/26/2000 | EP0783670B1 Electromechanical transducer |
| 04/26/2000 | CN2376155Y 麦克风 Microphone |
| 04/19/2000 | EP0993344A2 Ultrasonic transducer |
| 04/19/2000 | EP0705527B1 Folded dielectric film element and method for manufacturing the same |
| 04/18/2000 | US6049958 High resolution intravascular ultrasound transducer assembly having a flexible substrate and method for manufacture thereof |
| 04/12/2000 | EP0993231A2 Sound generating device |
| 04/12/2000 | EP0992977A2 Acoustic vibration generator |
| 04/11/2000 | US6049158 Piezoelectric/electrostrictive film element having convex diaphragm portions and method of producing the same |
| 04/11/2000 | US6047603 Ultrasonic sensor |
| 04/06/2000 | WO2000019184A1 System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels |
| 04/05/2000 | EP0990271A1 Loudspeaker assembly |
| 03/30/2000 | WO2000018182A1 Parametric loudspeaker with electro-acoustical diaphragm transducer |
| 03/30/2000 | CA2345339A1 Parametric loudspeaker with electro-acoustical diaphragm transducer |
| 03/28/2000 | US6043590 Composite transducer with connective backing block |
| 03/28/2000 | CA2056586C Moment bender transducer drive |
| 03/21/2000 | US6038752 Method for manufacturing an ultrasonic transducer incorporating an array of slotted transducer elements |
| 03/15/2000 | CN2369441Y Telecom for telecommunication equipment |
| 03/15/2000 | CN2369440Y Large power ultrasonic transducer |
| 03/15/2000 | CN2369412Y Curved piezoelectric vibrator |
| 03/14/2000 | US6036648 Machine tilt transducer and methods of making |
| 03/09/2000 | WO2000013464A1 Loudspeakers comprising a resonant panel-form member |
| 03/09/2000 | CA2341867A1 Loudspeakers comprising a resonant panel-form member |
| 03/08/2000 | CN1050247C Vibrator, resonator and resonance component utilizing width expansion vibration type |
| 03/08/2000 | CN1050229C Piezoelectric/electrostrictive film element and method of producing the same |
| 03/02/2000 | WO2000010462A1 Thin film piezoelectric polymer sensor |
| 03/01/2000 | EP0981764A1 Multifrequency ultrasound probe |
| 03/01/2000 | CN2367043Y Piezoelectricity broadband loudspeaker |
| 03/01/2000 | CN1050008C Piezoelectric/electrostrictive film element and method of producing the same |
| 02/22/2000 | US6028389 Micromachined piezoelectric transducer |
| 02/17/2000 | WO1998058519A3 Ultrasonic transducer for high transduction in gases and method for non-contact ultrasound transmission into solid materials |
| 02/15/2000 | US6025670 Miniature, high efficiency dual frequency ultrasonic transducer with selectable beamwidth |
| 02/10/2000 | WO2000006309A2 Off-aperture electrical connection for ultrasonic transducer |
| 02/10/2000 | WO2000006025A1 Ultrasonic transducer off-aperature connection |
| 02/10/2000 | CA2339130A1 Off-aperture electrical connection for ultrasonic transducer |
| 02/10/2000 | CA2339126A1 Ultrasonic transducer off-aperature connection |
| 02/09/2000 | EP0978822A2 A multi-dimensional transducer array apparatus |
| 02/08/2000 | US6023123 Acoustic vibration generator |
| 02/08/2000 | US6022584 Mixing ceramic particles with binder to form an intermediate product which is heat treated to produce granules, the granules containing crystallites which have piezoelectric properties; applying electrodes to sides of matrix |
| 02/03/2000 | WO2000005812A1 Piezo-oscillator and production method thereof |
| 02/03/2000 | WO2000005001A1 Method of manufacturing a capacitive ultrasound transducer |
| 02/03/2000 | DE19833213A1 Ultrasound transmitter arrangement, for therapy or diagnosis |
| 02/02/2000 | EP0976200A1 Vehicular loudspeaker system |
| 02/02/2000 | EP0767949B1 Process and device for generating spherical waves in the ultrasound range |
| 01/26/2000 | CN1242922A Piezoelectric electro electroacoustic transducer |
| 01/20/2000 | DE19928618A1 Piezoelectric speaker arranged to prevent peeling of vibrator from cushioning materials |
| 01/19/2000 | EP0973149A2 Ultrasonic transducers |
| 01/19/2000 | CN2359850Y Piezoelectric acoustoelectric transducer |
| 01/18/2000 | US6014898 Ultrasonic transducer array incorporating an array of slotted transducer elements |
| 01/13/2000 | WO2000002417A1 Resonant panel-form loudspeaker |
| 01/13/2000 | CA2336271A1 Resonant panel-form loudspeaker |
| 01/12/2000 | CN1241107A Digital electro-acoustic transducer |
| 01/11/2000 | US6013311 Blocking, slurrying, dip coating, heating, and sintering |
| 01/04/2000 | US6011855 Piezoelectric film sonic emitter |
| 12/22/1999 | EP0966178A2 Digital electro-acoustic transducer |
| 12/22/1999 | CN1239394A Piezoelectric acoustic component |
| 12/22/1999 | CN1047681C Piezoelectric buzzer |
| 12/21/1999 | US6003766 Vending machine |
| 12/16/1999 | DE19923288A1 Loudspeaker with hemispherical radiator for propagating uniform sound waves |
| 12/16/1999 | DE19922148A1 Surface mounting piezoelectric acoustic component for alarm or receiver in electronic device |
| 12/14/1999 | CA2105647C Air coupled ultrasonic transducer |
| 12/08/1999 | EP0963040A2 Acoustic resonator and method for making the same |
| 12/07/1999 | US5998908 Transducer assembly having ceramic structure |
| 11/30/1999 | US5995453 Composite ultrasonic transducer |
| 11/25/1999 | WO1999060820A1 Driver for a flat acoustic panel |
| 11/24/1999 | EP0959643A2 Acoustic wave transducer device |
| 11/23/1999 | US5987992 Ultrasonic sensor with temperature compensation capacitor |
| 11/18/1999 | WO1999059378A1 High power ultrasonic transducer |
| 11/18/1999 | DE19821860A1 Driver for flat panel loudspeaker |
| 11/18/1999 | CA2330314A1 High power ultrasonic transducer |
| 11/18/1999 | CA2271787A1 Acoustic wave transducer device |
| 11/17/1999 | EP0957659A1 Piezoelectric electroacoustic transducer |
| 11/11/1999 | WO1999057939A1 Transducer backing material and method of application |
| 11/11/1999 | WO1999057712A1 Method of applying a matching layer to a transducer |
| 11/11/1999 | CA2330920A1 Transducer backing material and method of application |
| 11/11/1999 | CA2330657A1 Method of applying a matching layer to a transducer |
| 11/10/1999 | EP0847661B1 Acoustic device |
| 11/04/1999 | WO1999056500A1 Low voltage piezoelectric actuator |
| 11/03/1999 | EP0954038A1 Method of producing functionally gradient piezoelectric transducers |
| 11/03/1999 | EP0953275A1 Electroacoustic transducers comprising vibrating panels |
| 11/02/1999 | US5977691 Element interconnections for multiple aperture transducers |
| 11/02/1999 | US5977689 Biocompatible, implantable hearing aid microactuator |
| 11/02/1999 | US5977685 Polyurethane elastomer actuator |
| 11/02/1999 | US5974890 Composite probe apparatus |
| 11/02/1999 | US5974884 Ultrasonic diagnostic apparatus and ultrasonic probe with acoustic matching layer having continuously varied acoustic impedance in the thickness direction |
| 10/27/1999 | CN1046058C 超声转换器阵列及其制造方法 Ultrasonic transducer array and manufacturing method thereof |
| 10/21/1999 | WO1999053475A1 Contact element for an ultrasound sensor |
| 10/20/1999 | CN1232180A Ultrasonic comb probe array assembly |
| 10/20/1999 | CN1045822C Diffractive display utilizing reflective or transmissive light yielding single pixel full color capability |
| 10/14/1999 | WO1999013681B1 Aerogels, piezoelectric devices, and uses therefor |
| 10/07/1999 | DE19913132A1 Loud speaker for producing high audio frequencies using piezoelectric ceramic |