Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213)
04/2006
04/20/2006US20060083390 Microphone system having pressure-gradient capsules
04/20/2006US20060082618 Inkjet printhead and method of assembling the same
04/20/2006DE10136628B4 Ultraschallwandler zum Aussenden und Empfangen von Ultraschallwellen mittels einer Membran, Verfahren und Steuergerät zum Betrieb des Ultraschallwandlers, sowie Verwendung des Ultraschallwandlers An ultrasonic transducer for transmitting and receiving ultrasonic waves by means of a membrane method and control apparatus for operation of the ultrasonic transducer, and the use of the ultrasonic transducer
04/19/2006EP1646326A2 Ablation device with spiral array ultrasound transducer
04/19/2006EP1646309A2 Method for making a spiral array ultrasound transducer
04/19/2006EP1123634A4 Parametric loudspeaker with electro-acoustical diaphragm transducer
04/18/2006US7030542 Composite piezoelectric body
04/18/2006US7028377 Pressurizing chamber formed as recess by half etching of a silicon single-crystal substrate connected to nozzle opening; high density printing files with high positioning accuracy
04/13/2006WO2006038525A1 Ultrasound probe
04/13/2006US20060077761 Laminated piezoelectric transducer and method of manufacturing the same
04/13/2006US20060076854 Sound of ultrasound sensor
04/12/2006EP1644905A2 Acoustic wave ice and water detector
04/11/2006US7026943 Acoustic wave ice and water detector
04/11/2006US7024739 Method of producing a piezoelectric/electrostrictive device
04/11/2006US7024738 Method for controlling a direction of polarization of a piezoelectric thin film
04/11/2006US7024737 Using high viscosity plastics; crosslinking; controlling injection valves for internal combustion engine
04/11/2006CA2169949C Disposable acoustic pad sensors
04/06/2006US20060072772 Piezoelectric loudspeaker
04/06/2006US20060070220 Method for manufacturing electronic apparatus
04/06/2006US20060070219 Split thin film capacitor for multiple voltages
04/05/2006CN1755357A Ultrasonic probe and ultrasonic diagnostic apparatus
04/04/2006US7021144 Ultrasonic wave utilizing device
03/2006
03/30/2006US20060067554 Microphone assembly
03/30/2006DE19928618B4 Lautsprecher Speaker
03/29/2006EP1151211B1 Method and device for vibration control
03/29/2006CN2768361Y Piezo-electric transmitting transducer capable of forming vibration by underwater music
03/29/2006CN1754405A Generating device for generating a useful stream of a medium, in particular for generating sound
03/28/2006US7020295 Piezoelectric electroacoustic transducer and manufacturing method of the same
03/28/2006US7019955 MEMS digital-to-acoustic transducer with error cancellation
03/28/2006US7017245 Method for making multi-layer ceramic acoustic transducer
03/23/2006DE102004038078A1 Implantable hearing aid comprises a piezoelectric transducer mounted on the inside of a thin plate coupled to an ossicle
03/22/2006EP1637010A2 Handheld electronics devices with multiple user sensory transducers and methods
03/22/2006EP1107696B1 Thin film piezoelectric polymer sensor
03/16/2006US20060056275 Acoustic projector and method of manufacture
03/16/2006US20060053607 Productoin method for surface-mounted saw device
03/16/2006DE102005040081A1 Ultraschallsensor Ultrasonic sensor
03/14/2006US7010837 Method for manufacturing an electronic component
03/09/2006US20060052707 Intravascular ultrasonic catheter arrangements
03/09/2006US20060050904 Acoustic actuators
03/09/2006US20060048358 Method for manufacturing piezoelectric resonator
03/09/2006DE19937195B4 Ultraschallwandler Ultrasonic transducer
03/07/2006US7009326 Ultrasonic vibration apparatus use as a sensor having a piezoelectric element mounted in a cylindrical casing and grooves filled with flexible filler
03/07/2006US7007355 Method of manufacturing a piezoelectric/electrostrictive device
03/02/2006US20060043842 Lamination-type piezoelectric element and manufacturing method thereof
03/01/2006CN2762476Y Improved structure of plane piezoelectric speaker actuator
03/01/2006CN1741724A Electro-optical device and electronic apparatus
02/2006
02/28/2006US7004031 Ultrasonic sensor
02/28/2006US7003858 Method of manufacturing multilayer piezoelectric component
02/28/2006US7003857 Method of producing an ink-jet printing head
02/23/2006US20060037183 Method for manufacturing piezoelectric thin film resonator, piezoelectric thin film resonator, frequency filter; method for manufacturing oscillator, oscillator, electronic circuit, and electronic apparatus
02/23/2006DE10007455B4 Piezoelektrisches akustisches Bauteil A piezoelectric acoustic component
02/22/2006CN1739203A Electro-active actuator
02/21/2006US7003125 Micromachined piezoelectric microspeaker and fabricating method thereof
02/16/2006US20060032034 Method of manufacturing a piezoelectric/electrostrictive device
02/16/2006DE10042185B4 Piezoelektrischer elektroakustischer Wandler A piezoelectric electro-acoustic transducer
02/15/2006CN1734285A Ultrasonic sensor
02/15/2006CN1734284A Ultrasonic sensor assembly
02/15/2006CN1734283A Ultrasonic sensor assembly
02/14/2006US6996884 Method for manufacturing piezo-electric vibrator
02/14/2006US6996883 Method of manufacturing a multi-piezoelectric layer ultrasonic transducer for medical imaging
02/14/2006US6996882 Method for producing a surface acoustic wave element
02/14/2006CA2380244C Piezoelectric acoustic alarm
02/09/2006US20060029240 Loudspeakers
02/09/2006DE4431511B4 Schallschwingungswandler Acoustic vibration transducer
02/09/2006DE10047942B4 Sensorarray, Verfahren zum Herstellen eines Sensorarrays und Verwendung eines Sensorarrays Sensor array, A method for producing a sensor array and using a sensor array
02/07/2006US6996030 Apparatus and method for minimizing reception nulls in heterodyned ultrasonic signals
02/07/2006US6995501 Ultrasonic transducer and method of manufacturing the same
02/07/2006US6994674 Multi-dimensional transducer arrays and method of manufacture
02/07/2006US6994207 Driving unit for transducer
02/07/2006US6993813 Method for manufacturing a piezoelectric/electrostrictive film-type actuator
02/07/2006US6993812 Method of manufacturing the piezoelectric transducer
02/02/2006US20060023911 Combination monitor and microphone apparatus and methods therefor
02/01/2006CN1729716A Ultrasonic transmitter/receiver, process for producing the same, and ultrasonic flowmeter
02/01/2006CN1729715A Acoustic actuators
02/01/2006CN1240203C Piezoelectric electroacoustic transducer
02/01/2006CN1239273C Sound converter
01/2006
01/26/2006WO2006009279A1 Piezoelectric sound producing unit
01/26/2006WO2006009220A1 Ultrasonic transducer
01/26/2006US20060016055 Piezoelectric composite apparatus and a method for fabricating the same
01/25/2006EP1619925A1 Ultrasonic vibrator and its manufacturing method
01/24/2006US6988301 Method for manufacturing a matrix type actuator
01/24/2006US6988300 Method of producing a piezoelectric element
01/19/2006WO2006005938A1 Portable speaker system
01/19/2006US20060013425 Hands-free microphone with wind guard
01/19/2006US20060010670 Manufacturing method of piezoelectric vibrator unit, manufacturing method of liquid jet head, piezoelectric vibrator unit, and liquid jet head
01/19/2006DE69634700T2 Implantierbares hörhilfegerät The implantable hearing aid
01/19/2006DE102004031310A1 Membrantopf für einen Ultraschallwandler Diaphragm cup for an ultrasonic transducer
01/17/2006US6986189 Method of manufacturing a piezoelectric vibrator unit
01/12/2006WO2006003367A1 Piezoelectric inertial transducer
01/11/2006CN2751499Y Surface mounted piezoelectric ceramic electroacoustic element
01/11/2006CN1236307C Low-frequency sound wave stacked piezo-electric transducer
01/10/2006US6985596 Loudspeakers
01/10/2006US6985407 Multi-layer composite transducer array
01/10/2006US6984925 Low acceleration sensitivity mounting structures for crystal resonators
01/10/2006US6984922 Composite piezoelectric transducer and method of fabricating the same
01/10/2006US6984284 Piezoelectric composites and methods for manufacturing same
01/10/2006US6983521 Method of manufacturing a strain element
01/05/2006US20060002575 Microphone device
01/05/2006US20060002235 Pressure sensitive sensor for real-time reconfigurable sonar applications
01/04/2006CN1235383C Piezoelectric electroacoustic converter
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