| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 04/03/2008 | DE102006046251A1 Oscillating device e.g. fill lever measuring device, has tensioning unit mounted in diaphragm in contact region, in which drive device is tensioned against diaphragm, and another tensioning unit partially formed in drive device |
| 04/02/2008 | CN201044507Y Piezo-electricity electroacoustic device |
| 04/01/2008 | US7353056 Optimized switching configurations for reconfigurable arrays of sensor elements |
| 03/27/2008 | US20080075313 Electronic device amd process for mounting microphone therein |
| 03/27/2008 | US20080075312 Electronic device and process for mounting microphone therein |
| 03/27/2008 | US20080075308 Silicon condenser microphone |
| 03/27/2008 | US20080073318 Method of manufacturing piezoelectric resonator |
| 03/27/2008 | DE102006041975A1 Ultraschallsensor und Verfahren zur Herstellung eines Ultraschallsensors Ultrasonic sensor and method of fabricating an ultrasonic sensor |
| 03/26/2008 | EP1496553B1 Composite piezoelectric body |
| 03/26/2008 | EP1132978B1 Manufacturing method for a multilayer piezoelectric device and a two-dimensionnally arrayed element packaging structure |
| 03/26/2008 | CN201042075Y Piezoelectric speaker |
| 03/26/2008 | CN100376214C Compound piezoelectrics |
| 03/25/2008 | US7348712 Ultrasonic probe and ultrasonic diagnostic apparatus |
| 03/20/2008 | WO2008033638A2 Microphone array in housing |
| 03/20/2008 | US20080069389 Microphone array in housing |
| 03/19/2008 | EP1901280A2 Ultrasonic probe |
| 03/19/2008 | EP1337698A4 Single crystals of lead magnesium niobate-lead titanate |
| 03/19/2008 | CN100375855C Power transmission device and lockup control method for torque converter |
| 03/18/2008 | US7344501 Multi-layered transducer array and method for bonding and isolating |
| 03/18/2008 | US7343654 Method of manufacturing a piezoelectric element and a liquid ink jet head |
| 03/13/2008 | US20080062229 Liquid discharge head and method for manufacturing the liquid discharge head |
| 03/13/2008 | US20080061635 Magnetic circuit and method and apparatus for the manufacture thereof |
| 03/13/2008 | US20080060181 Acoustic resonator performance enhancement using filled recess region |
| 03/13/2008 | DE102005001673B9 System und Verfahren zum aktiven Kühlen der Elektronik einer Wandleranordnung System and method for actively cooling the electronics of a transducer assembly |
| 03/12/2008 | CN101141919A Ultrasonic monitor for measuring blood flow and pulse rates |
| 03/12/2008 | CN100375307C Electro-active device |
| 03/11/2008 | US7343017 System for playback of pre-encoded signals through a parametric loudspeaker system |
| 03/11/2008 | US7342350 Handheld device having ultrasonic transducer for axial transmission of acoustic signals |
| 03/06/2008 | WO2008027673A1 Low-profile acoustic transducer assembly |
| 03/06/2008 | WO2008026332A1 Ultrasonic probe |
| 03/06/2008 | DE102006040344A1 Haltevorrichtung für einen Ultraschallwandler Holding device for an ultrasonic transducer |
| 03/05/2008 | EP1895812A2 Electro-acoustic transducer |
| 03/05/2008 | EP1005628B1 Ultrasonic transducer for high transduction in gases and method for non-contact ultrasound transmission into solid materials |
| 03/05/2008 | CN100373692C Arrangement for integrating a radio phone structure |
| 03/05/2008 | CN100373223C Electric light device and electronic apparatus |
| 02/28/2008 | WO2007115992A3 Piezoelectric loudspeaker |
| 02/28/2008 | US20080049955 Piezoelectric electroacoustic transducing device |
| 02/28/2008 | US20080048525 Piezoelectric electroacoustic transducing device |
| 02/27/2008 | EP1892998A2 Piezoelectric electroacoustic transducing device |
| 02/27/2008 | CN101132651A Piezoelectric electroacoustic transducing device |
| 02/27/2008 | CN100371735C Ultrasonic sensor |
| 02/26/2008 | US7336795 Card sound device and electronic apparatus having same |
| 02/21/2008 | WO2008019747A1 Sound transducer device |
| 02/21/2008 | US20080044042 Sonic transducer |
| 02/20/2008 | CN100369587C Ultrasound transmit pulser with receive interconnection and method of use |
| 02/19/2008 | US7333621 Conductive stub of sound exciter |
| 02/19/2008 | US7331092 Method and manufacturing surface acoustic wave device |
| 02/14/2008 | WO2008018278A1 Ultrasound probe and method for producing ultrasound probe |
| 02/14/2008 | WO2007141685A3 Acoustic device and method of manufacturing same |
| 02/14/2008 | US20080037808 Ultrasonic Transducer and Method of Manufacturing the Same |
| 02/13/2008 | EP1378014B1 Electromechanical converter comprising at least one piezoelectric element |
| 02/12/2008 | US7328490 Method for manufacturing a liquid jetting head |
| 02/07/2008 | WO2008015917A1 Ultrasonic probe, and ultrasonic probe manufacturing method |
| 02/07/2008 | US20080031476 Silicon microphone with impact proof structure |
| 02/07/2008 | US20080028858 Erosion and wear resistant sonoelectrochemical probe |
| 02/07/2008 | US20080028584 Incremental tuning process for electrical resonators based on mechanical motion |
| 02/06/2008 | CN201018651Y Piezoelectric earphone equipped with audio output electrode control device |
| 02/06/2008 | CN101116623A Multi-dimensional transducer array for ultrasonic imaging and its manufacturing method |
| 01/31/2008 | WO2008013003A1 Automatic violin |
| 01/31/2008 | US20080025533 Loudspeaker |
| 01/31/2008 | US20080025148 Dynamic efficiency optimization of piezoelectric actuator |
| 01/30/2008 | CN100365842C Manufacture of laminated piezoelectric ceramic element |
| 01/24/2008 | WO2008010509A1 Ultrasound probe of multichannel array type and method for fabricating ultrasound probe of multichannel array type |
| 01/24/2008 | US20080019544 Piezoelectric Speaker and Method for Manufacturing the Same |
| 01/24/2008 | US20080018206 Ultrasonic Transducer |
| 01/24/2008 | US20080018203 Piezoelectric electroacoustic transducing device |
| 01/23/2008 | EP1881736A2 Piezoelectric electroacoustic transducing device |
| 01/23/2008 | EP1881735A1 Piezoelectric electroacoustic transducing device |
| 01/23/2008 | EP1881731A1 Screen speaker system |
| 01/23/2008 | EP1683328A4 Two-way communications device having a single transducer |
| 01/23/2008 | CN101112119A Piezoelectric speaker and method for manufacturing the same |
| 01/23/2008 | CN101111100A Piezoelectric electroacoustic transducing device |
| 01/23/2008 | CN101111099A Piezoelectric electroacoustic transducing device |
| 01/23/2008 | CN101111098A Sandwich type radial direction vibrating piezoelectric ceramic ultrasonic transducer |
| 01/23/2008 | CN100364365C Microphone |
| 01/23/2008 | CN100364127C Electroacoustic converter |
| 01/22/2008 | US7320457 Electroactive polymer devices for controlling fluid flow |
| 01/22/2008 | US7320163 Method of manufacturing an actuator device |
| 01/17/2008 | WO2008007666A1 Bone conduction receiver |
| 01/17/2008 | WO2008007665A1 Bone conduction receiver |
| 01/17/2008 | US20080015435 Ultrasonic treatment and imaging of adipose tissue |
| 01/17/2008 | US20080013775 Noise Attenuating Headset |
| 01/16/2008 | CN101106836A Micro sound frequency directional ultrasound energy converter array |
| 01/16/2008 | CN101106835A Array type sound frequency directional ultrasonic speaker |
| 01/10/2008 | DE202007015201U1 Hochton- und Ultraschalllautsprecher mit kugelförmiger Abstrahlcharakteristik Treble and ultrasonic speaker with a spherical radiation pattern |
| 01/10/2008 | DE19503623B4 Drehratensensor Rotation rate sensor |
| 01/09/2008 | EP1875525A2 Piezoelectric diaphragm assembly with conductors on flexible film |
| 01/09/2008 | CN101102621A Piezoelectric type electroacoustical transformer |
| 01/08/2008 | US7317663 Ultrasonic sensor |
| 01/03/2008 | US20080002001 Liquid ejection head, method of manufacturing liquid ejection head, and image forming apparatus |
| 01/03/2008 | US20080001679 Crystal Oscillators |
| 01/02/2008 | CN101099410A Piezoelectric sounding body |
| 01/02/2008 | CN101098585A Flexible printed circuit board, ultrasonic probe, and method of manufacturing ultrasonic probe |
| 01/02/2008 | CN100358475C Ultrasonic probe and method for fabricating the probe |
| 01/01/2008 | US7314447 System and method for actively cooling transducer assembly electronics |
| 01/01/2008 | US7313854 Method of manufacturing a tactile sensor |
| 12/27/2007 | US20070297631 Comb sense microphone |
| 12/27/2007 | US20070297630 Sound receiver |
| 12/27/2007 | US20070295832 Fuel injector having encased piezo electric actuator |
| 12/26/2007 | CN101095283A Switching circuitry for reconfigurable arrays of sensor elements |