Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213)
07/2009
07/29/2009EP2082612A1 Sound transducer device
07/29/2009CN201282553Y Composite piezoelectric speaker
07/29/2009CN100521819C Polarized zone control of silicon-base ferroelectric micro acoustic sensor and method of connecting electrode
07/28/2009US7567681 Surface deformation electroactive polymer transducers
07/28/2009US7565724 forming a layer of NiO2 above Si substrate; forming a lanthanum nickelate layer over nickel oxide; diffusing nickel from the nickel oxide containing layer to the lanthanum nickelate layer the lanthanum nickelate layer was oriented to (100).
07/23/2009US20090185701 Flexible piezoelectric sound-generating devices
07/23/2009US20090185045 Dual-purpose hardware aperture
07/23/2009US20090184606 Rolled electroactive polymers
07/23/2009DE202009004108U1 Gerichteter Monitorlautsprecher Directional monitor speakers
07/22/2009CN100517726C Thin film circuit substrate, piezoelectric speaker device, display device, and sound source built-in type display device
07/22/2009CN100515342C Multipicture converter array and using method
07/21/2009US7564986 Ultrasonic speaker and projector
07/21/2009US7562428 Manufacturing an ink jet head
07/16/2009WO2009088001A1 Ultrasonic probe, process for producing ultrasonic probe, and ultrasonic diagnosis apparatus
07/16/2009US20090178716 System and Method for Acoustic Focusing Hardware and Implementations
07/16/2009DE19601656B4 Bedämpfter Ultraschallwandler Damped ultrasonic transducer
07/16/2009DE112007001957T5 Schallwandleranordnung mit geringem Profil Transducer array with low profile
07/14/2009US7561705 Reduction of flux leakage in a dynamic microphone
07/14/2009US7559128 Method of manufacturing a piezoelectric/electrostrictive device
07/14/2009CA2619954A1 Ceramic polymer dielectric fabrication
07/09/2009DE102008054533A1 Ultraschallsensor Ultrasonic sensor
07/08/2009CN201270585Y 复合压电扬声器 Composite piezoelectric speaker
07/08/2009CN201270584Y 复合压电扬声器 Composite piezoelectric speaker
07/08/2009CN101478709A Ultrasonic sensor and loudspeaker
07/07/2009US7557489 Embedded circuits on an ultrasound transducer and method of manufacture
07/02/2009WO2009081691A1 Organic piezoelectric material, process for producing the organic piezoelectric material, and ultrasonic vibrator and ultrasonic probe using the organic piezoelectric material
07/02/2009US20090169034 Condenser microphone mountable on main pcb
07/02/2009US20090167109 Piezoelectric pump, cooling device, and electronic apparatus
07/01/2009EP2076062A1 Ultrasonic sensor
07/01/2009EP2076061A1 Ultrasonic transducer
07/01/2009CN201267014Y Piezoelectric loudspeaker
07/01/2009CN201267013Y Percussion instrument acoustic pick-up and percussion instrument
06/2009
06/30/2009US7555118 Microphone coupler for a communication device
06/25/2009WO2009078208A1 Ultrasonic probe, its manufacturing method, and ultrasonic diagnostic device
06/25/2009WO2009078184A1 Piezoelectric sound transducer
06/25/2009DE102007061727A1 Mikromechanisches Bauelement Micromechanical component
06/23/2009US7551417 Thin film circuit substrate, piezoelectric speaker device, display device, and sound-generating display device
06/23/2009US7549962 Diagnostic medical ultrasound systems and transducers utilizing micro-mechanical components
06/23/2009CA2482141C Sound or ultrasound sensor
06/18/2009US20090154735 Piezoelectric microphone, speaker, microphone-speaker integrated device and manufacturing method thereof
06/18/2009US20090154734 Method for fabricating micro speaker and micro speaker fabricated by the same
06/18/2009US20090152999 Piezoelectric actuator and method for manufacturing piezoelectric actuator
06/17/2009CN100502560C Condenser microphone assembly
06/11/2009WO2009071934A1 Acoustic transducer
06/11/2009WO2009036090A3 Wireless resonating surface speaker and method of using the same
06/11/2009US20090147973 Apparatus including two housings and a piezoelectric transducer
06/11/2009US20090146531 Manufacturing Process For Thin Film Bulk Acoustic Resonator (FBAR) Filters
06/11/2009US20090144955 Ultrasound radiating members for catheter
06/11/2009CA2707672A1 Acoustic transducer
06/10/2009EP2066457A1 Low-profile acoustic transducer assembly
06/09/2009US7545082 Ultrasonic sensor device and ultrasonic transducer
06/09/2009US7545012 Capacitive micromachined ultrasound transducer fabricated with epitaxial silicon membrane
06/04/2009WO2009070758A1 Apparatus and method for selectively driving a piezo transducer
06/04/2009WO2009069379A1 Ultrasound probe, method for manufacturing the same, and ultrasound diagnostic apparatus
06/03/2009EP0985327B1 Flush mounted uni-directional microphone
06/03/2009CN100496057C Piezoelectric electroacoustic transducer
05/2009
05/28/2009US20090134235 Vibration Systems and Methods
05/27/2009CN201248133Y Piezoelectric acoustical generator
05/27/2009CN201248132Y Multilayer piezoelectric loudspeaker for mobile communication
05/27/2009CN100490755C Ultrasonic curing device
05/22/2009WO2009063905A1 Piezoelectric acoustic device and electronic apparatus
05/21/2009US20090127978 Film bulk acoustic wave resonator, its fabrication method and film bulk acoustic wave resonator filter using the resonator
05/20/2009DE10207330B4 Verfahren zum Herstellen akustischer Dünnfilmvolumenresonatoren (FBARs) mit unterschiedlichen Frequenzen auf dem gleichen Substrat durch ein Subtraktionsverfahren und Vorrichtung, die das Verfahren beinhaltet A method of manufacturing thin film bulk acoustic resonators (FBARs) with different frequencies on the same substrate by a subtraction method and apparatus incorporating the method
05/19/2009US7535801 Multiple frequency sonar transducer
05/19/2009CA2361833C Low profile acoustic sensor array and sensors with pleated transmission lines and related methods
05/13/2009EP1535350B1 Low acceleration sensitivity mounting structures for crystal resonators
05/13/2009CN201238381Y Non-magnetic voice audio transducer
05/13/2009CN201238380Y Piezo-electricity piece sounding device
05/13/2009CN201238379Y 压电扬声器 Piezoelectric speaker
05/12/2009US7530151 Vibrator array, manufacturing method thereof, and ultrasonic probe
05/07/2009US20090116669 Mems microphone package having sound hole in pcb
05/07/2009US20090116341 Hybrid-drive multi-mode pipe projector
05/07/2009US20090115285 Liquid-gap electrostatic hydraulic micro actuators
05/07/2009US20090113686 Piezoelectric Actuator, Ink-Jet Head Provided with the Same, Ink-Jet Printer, and Method for Manufacturing Piezoelectric Actuator
05/07/2009US20090113685 Methods to make piezoelectric ceramic thick film array and single elements and devices
05/07/2009DE102007014579B4 Mikrofon Microphone
05/06/2009EP1696799A4 Method for mapping temperature rise using pulse-echo ultrasound
05/06/2009CN201234342Y Magnetostrictive solid acoustic apparatus
05/06/2009CN201234334Y 耳机 Headphone
05/06/2009CN100485409C Ultrasonic sensor
04/2009
04/30/2009WO2009053116A1 Earphone and a method for providing an improved sound experience
04/29/2009EP1266346B1 Piezoelectric biometric identification device and applications thereof
04/29/2009CN100483187C Liquid crystal display device having sound output function and the like and electronic device using the same
04/23/2009WO2009050909A1 Recoilless speaker unit
04/23/2009WO2009050881A1 Ultrasonic probe
04/23/2009DE102007049212A1 Ultrasonic converter has housing made of insulated material, where metallization is formed at inner wall of housing from metallic coating
04/22/2009CN201226589Y Automatic impedance matcher for ultrasound piezoelectric transducer
04/22/2009CN100479760C Ultrasonic probe and ultrasonic diagnostic apparatus
04/21/2009US7522475 Ultrasonic sensor and obstacle detection device
04/21/2009US7520038 Piezoelectric element, method of manufacturing the same, liquid-jet head, method of manufacturing the same, and liquid-jet apparatus
04/16/2009WO2009047085A1 Reaction resin and two-component system for producing the same
04/16/2009WO2008079467A3 Microphone array with electromagnetic interference shielding means
04/16/2009US20090096326 Piezoelectric actuator, acoustic component, and electronic device
04/15/2009CN201222801Y Ear shield with communication function
04/14/2009US7518294 Manufacturing method of quartz crystal resonator, apparatus therefor, and quartz crystal resonator manufactured thereby
04/09/2009WO2009045170A1 Silicon microphone with enhanced impact proof structure using bonding wires
04/09/2009WO2009044640A1 Ultrasonic sensor
04/08/2009EP1949754A4 Medium/low band sound reinforcement film-type audio-speaker using piezoelectric film as vibration element
04/08/2009CN101404786A Ultrasonic probe and ultrasonic diagnostic apparatus
04/07/2009US7514851 Curved capacitive membrane ultrasound transducer array
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