| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 06/12/2012 | US8199961 Speaker device, installation body for speaker device, and mobile body having speaker device mounted thereon |
| 06/12/2012 | US8199931 Parametric loudspeaker with improved phase characteristics |
| 06/12/2012 | US8198787 Ultrasonic probe with adhesive protrusion preventive structure |
| 06/07/2012 | US20120140969 Piezoelectric speaker and piezoelectric speaker array |
| 06/06/2012 | CN102487476A Double-faced piezoelectric loudspeaker |
| 06/05/2012 | US8194504 Hydrophone unit |
| 06/05/2012 | US8191228 Package structure for surface acoustic wave device, and surface acoustic wave device |
| 06/05/2012 | US8191216 Vibrating piece manufacturing method and vibrator manufacturing method |
| 05/31/2012 | WO2012070613A1 Ultrasound probe |
| 05/31/2012 | WO2012069722A2 System for detecting and locating a disturbance in a medium, and corresponding method and computer program |
| 05/30/2012 | CN102484756A 致动器 Actuator |
| 05/30/2012 | CN102484200A Method for manufacturing a piezoelectric ceramic body |
| 05/30/2012 | CN102483665A Mount structure of touch panel with vibrating function |
| 05/30/2012 | CN101646115B Silicon micro piezoelectric microphone based on inn-plane polarization of ferroelectric PZT film and manufacture method thereof |
| 05/29/2012 | US8186030 Method for manufacturing elastic wave device |
| 05/29/2012 | US8186029 Method for producing piezoelectric actuator and method for producing liquid discharge head |
| 05/29/2012 | US8186028 Method of manufacturing a piezoelectric resonator having improved temperature compensation |
| 05/29/2012 | US8186027 Method of fabricating a piezoelectric vibrator |
| 05/24/2012 | WO2012066983A1 Ultrasound transducer, ultrasound treatment tool, ultrasound treatment device, and method for assembling ultrasound transducer |
| 05/24/2012 | US20120128115 Traffic detector |
| 05/23/2012 | CN102474692A 超声波探头及其制造方法 The method of manufacturing the ultrasonic probe and |
| 05/23/2012 | CN102474691A 压电式扬声器 Piezo speaker |
| 05/23/2012 | CN102469388A Speaker apparatus |
| 05/23/2012 | CN101577850B Implanted piezoelectric ceramic microphone and manufacturing method thereof |
| 05/22/2012 | US8182719 Pyroelectric compound and method of its preparation |
| 05/18/2012 | WO2012064283A1 Cross-reference to related application |
| 05/16/2012 | CN102460938A 压电致动器和音频部件 The piezoelectric actuator and an audio component |
| 05/15/2012 | US8176607 Method of fabricating quartz resonators |
| 05/15/2012 | US8176606 Method of fabricating a piezoelectric vibrating piece |
| 05/10/2012 | WO2012060235A1 Piezoelectric vibration device |
| 05/10/2012 | WO2012060046A1 Electronic equipment |
| 05/10/2012 | WO2012060045A1 Oscillator and electronic equipment |
| 05/10/2012 | WO2012060043A1 Electronic device |
| 05/10/2012 | WO2012060042A1 Electronic equipment |
| 05/10/2012 | WO2012060041A1 Oscillator and portable device |
| 05/10/2012 | US20120114150 Speaker apparatus |
| 05/09/2012 | EP2449794A1 Actuator |
| 05/09/2012 | CN102450035A Piezoelectric sound converter |
| 05/09/2012 | CN102450034A Piezoelectric sound generating body |
| 05/08/2012 | US8175314 Tactical microphone support systems |
| 05/08/2012 | US8175313 Electronic anti-sabotage microphone grommet |
| 05/03/2012 | WO2012055915A1 Piezoelectric partial-surface acoustic wave transducer |
| 05/03/2012 | DE102010043108A1 Piezoelektrischer Teilflächen-Schallwandler Piezoelectric patches transducers |
| 05/02/2012 | EP0843952B1 Ultrasonic transducer |
| 05/02/2012 | CN102438198A Ultrasonic transducer |
| 05/01/2012 | US8170260 System for determining the position of sound sources |
| 05/01/2012 | US8166621 Method of stabilizing a frequency of a piezoelectric vibration element |
| 04/26/2012 | WO2012054280A1 Compliant couplant with liquid reservoir for transducer |
| 04/26/2012 | US20120099746 Piezoelectric acoustic transducer |
| 04/26/2012 | DE102004009902B4 Ausstattungsteil für ein Fahrzeug, insbesondere ein Kraftfahrzeug und Verwendung eines Ausstattungsteils als Lautsprecher Piece of equipment for a vehicle, especially a motor vehicle and use an equipment part as a speaker |
| 04/26/2012 | CA2815369A1 Compliant couplant with liquid reservoir for transducer |
| 04/25/2012 | CN101258772B 超声波传感器 Ultrasonic sensors |
| 04/24/2012 | US8161608 Method of manufacturing quartz-crystal resonator |
| 04/19/2012 | WO2012049970A1 Piezoelectric speaker device |
| 04/19/2012 | US20120095399 Medical device and related assembly having an offset element for a piezoelectric speaker |
| 04/19/2012 | US20120090837 Acoustic Transducers With Dynamic Frequency Range |
| 04/18/2012 | EP2442588A1 Ultrasonic probe |
| 04/18/2012 | EP1653772B1 Case with insert terminal and piezoelectric electroacoustic transducer using this case, process for manufacturing case with insert terminal |
| 04/17/2012 | US8156620 Process of making an ultrasonic probe |
| 04/12/2012 | US20120087522 Piezoelectric microspeaker and method of fabricating the same |
| 04/11/2012 | EP1050079B1 High-sensitivity piezocomposite material and ultrasonic transducer made therefrom |
| 04/11/2012 | CN102415106A Method for producing electromechanical transducer |
| 04/11/2012 | CN102413407A 一种中耳植入式微型压电传声器及其制备方法 An implantable miniature piezoelectric microphone and preparation method of the middle ear |
| 04/11/2012 | CN101310561B 用于压电扬声器的不对称动作系统和不对称扬声器 Asymmetric action for piezoelectric speaker system and asymmetric speakers |
| 04/10/2012 | US8155345 Wearable terminal, mobile imaging sound collecting device, and device, method, and program for implementing them |
| 04/05/2012 | WO2012042766A1 Transducer and measurement device |
| 04/05/2012 | US20120082326 Piezoelectric speaker |
| 04/05/2012 | US20120079692 Array of baw resonators with mask controlled resonant frequencies |
| 04/05/2012 | US20120079690 Method of piezoelectric vibrating piece, wafer, piezoelectric vibrator, oscillator, electronic apparatus, and radio-controlled timepiece |
| 04/05/2012 | DE102010047176A1 Vehicle has ultrasonic sensor device with ultrasonic sensor having main axis, where sound lobe of sensor extends to its main axis in asymmetric manner |
| 04/04/2012 | CN102405652A 压电型音响转换器 Piezoelectric sound transducer |
| 03/28/2012 | EP1552718B1 A transducer for bioacoustic signals |
| 03/28/2012 | CN202178868U 一种双换能方式组合同轴全频扬声器 A dual transducer combinations coaxial full range speakers |
| 03/28/2012 | CN1886006B Sound-electricity conversion device, array-type ultrasonic transducer, and ultrasonic diagnostic apparatus |
| 03/28/2012 | CN102395092A Piezoelectric speaker based on piezoelectric cantilever beam |
| 03/28/2012 | CN101356850B Ultrasonic receiver |
| 03/27/2012 | US8141216 Method of manufacturing ultrasound probe |
| 03/22/2012 | US20120069715 Ultrasound diagnostic apparatus |
| 03/22/2012 | DE10043913B4 Helm mit eingebautem Lautsprechersystem Helmet with built-in speaker system |
| 03/21/2012 | CN101111100B Piezoelectric electroacoustic transducing device |
| 03/20/2012 | US8136212 Method of fabricating structure having out-of-plane angular segment |
| 03/15/2012 | WO2012032447A1 Local light extraction with dielectric polymer actuator |
| 03/15/2012 | DE102010044995A1 Ultrasonic transducer for e.g. park assistance system, arranged in bumper of motor car, has membrane comprising hollow body connected with bottom by splice, where bottom and hollow body are made from different materials |
| 03/15/2012 | DE102010044994A1 Ultrasonic transducer installed in bumper of vehicle, for driver assistance device, has membrane in which anti-vibration soft paint coating is formed on outer side |
| 03/14/2012 | CN101646117B Soft support bridge type silicon micro-piezoelectric microphone chip and prepration method thereof |
| 03/14/2012 | CN101365263B Sound membrane and piezoelectric piece bonding apparatus |
| 03/13/2012 | US8132304 Method of manufacturing a piezoelectric actuator |
| 03/08/2012 | US20120057730 Piezoelectric acoustic transducer |
| 03/08/2012 | US20120057728 Piezoelectric acoustic transducer |
| 03/08/2012 | US20120056946 Piezoelectric element, liquid ejecting head, liquid ejecting apparatus, and methods for the manufacture thereof |
| 03/07/2012 | EP1170978B1 Acoustic matching material, method of manufacture thereof, and ultrasonic transmitter using acoustic matching material |
| 03/06/2012 | US8129885 Electric generating unit as substitute for vehicle battery |
| 03/01/2012 | WO2012026521A1 Piezoelectric device |
| 03/01/2012 | WO2012026319A1 Ultrasonic wave-generating device |
| 03/01/2012 | WO2011155750A3 Voice film having multi-layer structure for plate-type speaker |
| 03/01/2012 | US20120053393 Sound transducer for insertion in an ear |
| 03/01/2012 | US20120051575 Condenser Microphone Unit and Condenser Microphone |
| 03/01/2012 | US20120049694 Micromachined Piezoelectric Energy Harvester with Polymer Beam |
| 03/01/2012 | US20120048538 Apparatus and methods for providing information about one or more subterranean variables |
| 02/29/2012 | EP2422530A1 Method for producing an electromechanical transducer |