| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 12/06/2011 | US8072843 Stepped multiply resonant wideband transducer apparatus |
| 12/06/2011 | US8069543 Method of manufacturing piezoelectric vibrator, piezoelectric vibrator, oscillator, electronic device, and radio clock |
| 12/06/2011 | US8069542 Interleaved interdigitated transducers |
| 12/01/2011 | WO2011149304A2 Piezoelectric speaker |
| 12/01/2011 | WO2011148618A1 Ultrasonic probe and method of manufacturing thereof |
| 12/01/2011 | US20110291525 Vibration element, manufacturing method thereof, and vibration wave actuator |
| 11/30/2011 | CN102265646A 压电扬声器、使用其的压电音响装置以及带警报器的传感器 Piezoelectric speaker, using its piezoelectric acoustic devices and sensors with alarms |
| 11/30/2011 | CN102260409A 一种硅发泡胶组合物及其制备方法、一种硅发泡胶和一种超声波传感器 A silicone foam rubber composition and preparation method, a silicone foam rubber and an ultrasonic sensor |
| 11/30/2011 | CN101112119B 压电型扬声器及其制造方法 Piezoelectric speaker and its manufacturing method |
| 11/29/2011 | US8068632 Microphone and microphone hanger-hook |
| 11/24/2011 | WO2011143810A1 Vibration transducer and somatosensory vibration apparatus with the vibration transducer |
| 11/24/2011 | CA2799760A1 Ultrasonic transducer assembly |
| 11/23/2011 | CN101360456B Ultrasound probe |
| 11/23/2011 | CN101090583B Piezoelectric loudspeaker |
| 11/22/2011 | US8063540 High frequency ultrasound transducers based on ceramic films |
| 11/17/2011 | WO2011082408A3 Low-profile ultrasound transducer |
| 11/17/2011 | US20110280420 Acoustic transducer |
| 11/15/2011 | US8058774 Vibrating plate piezoelectric generator |
| 11/15/2011 | US8057018 Method of manufacturing a liquid jet head and a liquid jet apparatus |
| 11/15/2011 | US8056198 Method of manufacturing electronic device |
| 11/08/2011 | US8055005 Bluetooth earphone and lanyard structure thereof |
| 11/08/2011 | CA2533212C Method for making a spiral array ultrasound transducer |
| 11/03/2011 | WO2011078594A3 Piezoresistive pressure microphone using nanowires, and method for manufacturing same |
| 11/03/2011 | DE102010018993A1 Ultrasonic sensor for use in environment recognition system of motor car for recognizing environmental influence e.g. temperature, has damping material with liquid component that changes into solid state according to introduction into pot |
| 11/02/2011 | EP2382801A1 Acoustic energy transducer |
| 11/02/2011 | CN1913726B Ultrasonic device and assembling method thereof |
| 11/01/2011 | US8050443 Microphone and microphone mounting structure |
| 10/26/2011 | EP2380361A1 Acoustic pressure transducer |
| 10/26/2011 | CN102227919A Ultrasonic wave transmitter/receiver |
| 10/26/2011 | CN101636112B Ultrasonic probe and method for manufacturing the same and ultrasonic diagnostic device |
| 10/25/2011 | US8045735 Ultrasonic transducer and ultrasonic speaker using the same |
| 10/25/2011 | US8042239 Piezoelectric/electrostrictive element and method of manufacturing the same |
| 10/20/2011 | WO2011129116A1 Piezoelectric speaker |
| 10/20/2011 | DE102011007549A1 Gehäustes akustisches Wandlergerät mit Abschirmung von elektromagnetischer Interferenz A housed acoustic transducer device with shielding electromagnetic interference |
| 10/19/2011 | CN102224540A Acoustic baffle members and methods for applying acoustic baffles in cavities |
| 10/18/2011 | US8037604 Method of manufacturing ink jet recording head |
| 10/13/2011 | WO2011126034A1 Speaker apparatus and audio output method |
| 10/13/2011 | US20110249852 Wireless microphone |
| 10/12/2011 | EP2375774A2 Speaker device |
| 10/11/2011 | US8032997 Manufacturing method for a piezoelectric vibrator |
| 10/06/2011 | WO2011123071A1 An air conduction sensor and a system and a method for monitoring a health condition |
| 10/06/2011 | WO2011121985A1 Piezoelectric sound converter |
| 10/06/2011 | WO2011121882A1 Laminated piezoelectric body and manufacturing method of same, ultrasonic transducer using same and ultrasonic diagnostic device |
| 10/05/2011 | EP2373057A1 Piezoelectric speaker, piezoelectric audio device employing piezoelectric speaker, and sensor with alert device attached |
| 10/05/2011 | EP1703571B1 Piezoelectric device |
| 10/05/2011 | CN1988736B Ultrasonic sensor |
| 10/04/2011 | US8028389 Method for fabricating a surface acoustic wave device |
| 09/29/2011 | WO2011119730A2 Apparatus and method for generating broad bandwidth acoustic energy |
| 09/29/2011 | US20110235831 Drive device |
| 09/28/2011 | CN1613273B Sleeved ultrasonic transducer |
| 09/27/2011 | US8027224 Broadband underwater acoustic transducer |
| 09/27/2011 | CA2409534C Hydrophone with adjustable automatic disabling mechanism in case of immersion treshhold overshoot |
| 09/22/2011 | US20110227671 Temperature compensated thin film acoustic wave resonator |
| 09/21/2011 | CN201986143U 单膜式压电陶瓷扬声器 Single-film piezoelectric ceramic speaker |
| 09/21/2011 | CN201986142U 双膜式压电陶瓷扬声器 Double membrane piezoelectric ceramic speaker |
| 09/21/2011 | CN102197660A Acoustic oscillator and image generation device |
| 09/21/2011 | CN102196344A Pickup device and electronic device using same |
| 09/21/2011 | CN101111098B Sandwich type radial direction vibrating piezoelectric ceramic ultrasonic transducer |
| 09/20/2011 | US8023679 Wireless earphone with an indicating light |
| 09/20/2011 | US8020967 Liquid discharge apparatus and method for producing liquid discharge apparatus |
| 09/20/2011 | US8020265 Method of manufacturing a piezoelectric vibrator |
| 09/20/2011 | US8020264 Method of manufacturing a piezoelectric vibrator |
| 09/15/2011 | US20110223652 Piezoelectric-based nanopore device for the active control of the motion of polymers through the same |
| 09/15/2011 | US20110222369 Acoustic Transducer with a Liquid-Filled Porous Medium Backing and Methods of Making and Using Same |
| 09/13/2011 | US8019109 Microphone boom with adjustable wind noise suppression |
| 09/13/2011 | US8019101 Condenser microphone |
| 09/09/2011 | WO2011108441A1 Piezoelectric speaker and alarm apparatus using this piezoelectric speaker |
| 09/08/2011 | US20110216446 Head suspension and method of manufacturing head suspension |
| 09/07/2011 | CN101297591B Ultrasonic transducer |
| 09/06/2011 | US8014546 EMI shielding for a microphone |
| 09/06/2011 | US8011075 Method of manufacturing a piezoelectric actuator |
| 09/06/2011 | US8011074 Method for manufacture of piezoelectric substrate for a saw device |
| 09/01/2011 | WO2011105046A1 Piezoelectric acoustic transducer |
| 09/01/2011 | DE102010009453A1 Schallwandler zum Einsetzen in ein Ohr Transducer for insertion into an ear |
| 08/31/2011 | EP2362686A2 Sound converter for installation in an ear |
| 08/31/2011 | CN102172043A Acoustic reproduction device |
| 08/30/2011 | US8009846 Ultrasonic speaker and projector |
| 08/30/2011 | US8009518 Ultrasonic sensor with piezoelectric elements and vibration isolator |
| 08/30/2011 | US8006358 Method for manufacturing a piezoelectric actuator |
| 08/30/2011 | US8006357 Process for fabricating piezoelectric element |
| 08/30/2011 | US8006356 Method of forming an array of drop generators |
| 08/25/2011 | WO2011103324A2 Smart material actuator capable of operating in three dimensions |
| 08/25/2011 | WO2011101924A1 Pressure wave generating component and device equipped with same |
| 08/25/2011 | US20110206222 Membrane for an acoustic transducer |
| 08/25/2011 | US20110203084 Method of manufacturing package, piezoelectric vibrator, oscillator, electronic apparatus, and radio-controlled timepiece |
| 08/25/2011 | DE102011004550A1 Gehäuste Vorrichtung mit einem akustischen Transducer und Verstärker Packaged device with an acoustic transducer and amplifier |
| 08/25/2011 | DE102006033693B4 Hindernisdetektor mit Ultraschallsensor The obstacle detection with ultrasonic sensor |
| 08/24/2011 | CN102165791A Dual-mode loudspeaker |
| 08/23/2011 | US8005207 Microphone coupler system for a communication device |
| 08/23/2011 | US8001666 Method for forming ceramic thick film element arrays with fine feature size, high-precision definition, and/or high aspect ratios |
| 08/18/2011 | WO2011100315A1 Piezoelectric actuator for downhole applications |
| 08/17/2011 | CN201937820U 振动扬声器 Vibration Speaker |
| 08/17/2011 | CN201937819U 叉分驱动超薄多层压电扬声器 Fork min drive ultrathin multilayer piezoelectric speaker |
| 08/17/2011 | CN102160399A Sound reproducing apparatus |
| 08/17/2011 | CN102158784A Elastic supporting-type round piezoelectric vibrator bone conduction hearing device |
| 08/17/2011 | CN101095283B Switching circuitry for reconfigurable arrays of sensor elements |
| 08/16/2011 | US7996984 Process for making a FBAR bandpass filter |
| 08/11/2011 | DE102010008223A1 Signalgebereinrichtung mit einem elektrischen akustischen Signalgeber Signal generation means with an electric acoustic signal generator |
| 08/10/2011 | EP2355546A1 Piezo driver with sound pressure level control |
| 08/10/2011 | EP2355545A1 Electrode connector and film speaker |