Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213)
01/2011
01/27/2011WO2011010413A1 Ultrasonic transducer and ultrasonic diagnostic apparatus using same
01/27/2011US20110018389 Acoustic Wave Device and Method for Production of Same
01/27/2011DE102009034418A1 Membran und Verfahren zur Herstellung einer Membran für einen Ultraschallwandler Membrane and method for producing a membrane for an ultrasonic transducer
01/27/2011DE102008049544B4 Ultraschallwandler mit mindestens einem vollaktiven, monolithischen Piezoelement, Verfahren zum Kontaktieren des Ultraschallwandlers mittels Auflaminieren einer Isolationsfolie und Verwendung des Ultraschallwandlers Ultrasonic transducer with at least one fully active, monolithic piezo element method for contacting the ultrasonic transducer means of laminating an insulating film and use of the ultrasonic transducer
01/26/2011CN201726528U Chip piezoelectric squealer
01/26/2011CN101960869A Acoustic matching body, ultrasonic transceiver and ultrasonic flowmeter
01/25/2011US7876916 Card-type sound apparatus and electronic appliance provided therewith
01/25/2011US7874648 Manufacturing method for piezoelectric body, piezoelectric element, and liquid discharge head
01/20/2011WO2011006277A1 Piezoelectric speaker adopting interdigital or spiral electrode
01/19/2011EP2274924A2 Methods and systems to form high efficiency and uniform fresnel lens arrays for ultrasonic liquid manipulation
01/19/2011CN201718027U Flexible counterweight structure for piezoelectric flat-panel speaker
01/19/2011CN201717918U Mobile terminal
01/13/2011US20110007925 Condenser microphone
01/06/2011WO2011001775A1 Sensor and sensing method
01/06/2011WO2011001158A1 Actuator
01/06/2011US20110004102 Organic piezoelectric material, ultrasonic oscillator using the same, method for producing the ultrasonic oscillator, ultrasonic probe and ultrasonic medical diagnostic imaging device
01/06/2011US20110002486 Capacitive load driving circuit and method, liquid droplet ejection device, and piezoelectric speaker driving device
01/06/2011US20110002485 Piezoelectric actuator and electronic device
01/06/2011CA2766938A1 Actuator
01/05/2011EP2271132A2 Acoustic transducer
01/05/2011EP2269241A1 A mechanically amplified piezoelectric transducer
01/05/2011EP1397074B1 Tissue-retaining system for ultrasound medical treatment
01/05/2011DE102010000651A1 Mehrschicht-Impedanzanpassungsstruktur für eine Ultraschallsonde Multi-layer impedance matching structure for an ultrasonic probe
01/05/2011CN201699976U High-efficiency piezoelectric sheet cartridge horn
01/04/2011US7861389 AT cut quartz crystal resonator element and method for manufacturing the same
01/04/2011US7861388 Method of manufacturing a cell driving type piezoelectric/electrostrictive actuator
12/2010
12/30/2010US20100327700 Vibrating element apparatus
12/30/2010US20100325855 Composite passive materials for ultrasound transducers
12/30/2010US20100325854 Method for polarizing a piezoceramic material
12/29/2010EP2267807A2 Piezoelectric macro-fiber composite actuator and manufacturing method
12/29/2010CN1906969B Ultrasonic sensor
12/29/2010CN101931850A Micro-speaker and manufacturing method thereof
12/28/2010US7860259 Piezoelectric acoustic element, acoustic device, and portable terminal device
12/28/2010US7857762 Method of generating a predetermined wave field
12/23/2010WO2010147675A1 Method for manufacturing a piezoelectric ceramic body
12/23/2010US20100322451 MEMS Microphone
12/23/2010DE102006015493B4 Elektroakustischer Wandler Electro-acoustic transducer
12/21/2010US7854050 Method of manufacturing a surface acoustic wave device
12/21/2010US7854049 Method of manufacturing a piezoelectric thin film device
12/16/2010WO2010143387A1 Ultrasonic probe
12/16/2010US20100316236 Home Theater
12/16/2010US20100313659 Seismic streamer
12/15/2010CN201674661U Piezoelectric ceramic loudspeaker
12/15/2010CN1729715B Acoustic actuators
12/15/2010CN101919263A Ultrasonic transmitting/receiving device
12/15/2010CN101917657A 压电扬声器 Piezoelectric speaker
12/14/2010US7849572 Method of manufacturing a piezoelectric device
12/09/2010US20100312151 Tissue-retaining system for ultrasound medical treatment
12/09/2010DE102009024065A1 Ultraschallwandler mit einem Entkopplungsring und Montageverfahren Ultrasonic transducer with a decoupling ring and mounting method
12/08/2010CN201667714U Piezoelectric type loudspeaker
12/08/2010CN1847879B Structure for mounting ultrasonic sensor on mounting member
12/08/2010CN101911728A Acoustic transducer
12/07/2010US7846101 High resolution intravascular ultrasound transducer assembly having a flexible substrate
12/07/2010US7846096 Method for monitoring of medical treatment using pulse-echo ultrasound
12/02/2010WO2010137366A1 Organic piezoelectric material, ultrasonic transducer, ultrasound probe, and medical ultrasound image diagnosis system
12/02/2010WO2010137242A1 Piezoelectric acoustic transducer
11/2010
11/30/2010US7844069 Microphone mounting system for acoustic stringed instruments
11/30/2010US7841984 Ultrasonic treatment and imaging of adipose tissue
11/30/2010US7841056 Method of manufacturing a piezoelectric element
11/25/2010WO2010134243A1 Method of producing piezoelectric element array, piezoelectric element array, and ultrasonic probe
11/25/2010US20100296677 Flat panel piezoelectric loudspeaker
11/25/2010US20100293770 Method for manufacturing acoustic wave device
11/25/2010DE102009022187A1 Ultrasound sensor and/or ultrasound converter for use in surrounding field recognition system in motor vehicle, has housing provided with piezo-ceramics for production of ultrasound vibrations in membrane pot and filled with granulates
11/25/2010DE102009021986A1 Testvorrichtung für eine Ultraschallsonde, Ultraschallmessvorrichtung und Verfahren zum Testen einer Ultraschallsonde Test device for an ultrasonic probe, ultrasonic measurement apparatus and method for testing an ultrasound probe
11/25/2010DE102009020676A1 Vorrichtung und Verfahren zur Positionsbestimmung Method and apparatus for determining the position
11/25/2010DE102005061343B4 Ultraschallwandler mit selbsttragender Anpassschicht sowie Verfahren zur Herstellung Ultrasonic converter with self-supporting matching layer and processes for preparing
11/25/2010DE102004038078B4 Implantierbarer Hörgeräteteil Implantable hearing aid component
11/24/2010EP2254353A2 Hearing device with a sound transducer and method for manufacturing a sound transducer
11/24/2010CN201657307U Piezoelectric speaker
11/24/2010CN201657306U Piezoelectric loudspeaker
11/24/2010CN201654506U Oil production optimization controller and intelligent oil production control system
11/24/2010CN101895807A Flat panel loudspeaker
11/23/2010US7840020 Low acceleration sensitivity microphone
11/23/2010US7836599 Ink jet head and method of manufacturing thereof
11/23/2010US7836566 Microfabricated bulk wave acoustic bandgap device
11/18/2010WO2010131540A1 Piezoelectric actuator and audio components
11/18/2010WO2010131394A1 Ultrasound probe and ultrasound diagnostic device
11/18/2010US20100289378 Information processor and method for the production thereof
11/18/2010DE102009021680A1 Matching layer for adjusting acoustic impedance in ultrasonic transducer, is arranged on surface of transducer and embedded with polymer resin in particle-like ceramic, where ceramic is provided in form of powder and granulate
11/18/2010DE102009002983A1 Membrantopf für einen Ultraschallwandler und Sensor damit Diaphragm cup for an ultrasonic transducer and sensor so that
11/17/2010EP2252076A1 Acoustic matching body, ultrasonic transceiver and ultrasonic flowmeter
11/17/2010CN201638549U Electroacoustic urheen sound source production device
11/16/2010US7834520 Ultrasonic probe and ultrasonic diagnosis apparatus
11/11/2010US20100281978 Inertial sensor and producing method thereof
11/10/2010EP2248349A1 Piezo speaker pressure sensor
11/10/2010CN101360459B Ultrasonic probe
11/09/2010US7827660 Bimorphic structures, sensor structures formed therewith, and methods therefor
11/09/2010US7827659 Method of manufacturing an ink jet recording head having piezoelectric element
11/09/2010US7827658 Method for manufacturing actuator device and liquid ejecting head including actuator device prepared by the method
11/04/2010US20100277040 Thin film detector for presence detection
11/04/2010US20100276510 Multi-Layer Piezoelectric Element, Ejection Apparatus Using the Same and Fuel Ejection System
11/04/2010DE202010011113U1 Ultraschallsensor Ultrasonic sensor
11/03/2010EP1429870B1 Frequency and amplitude apodization of transducers
11/03/2010CN201623850U Matrix form piezoelectricity panel speaker with a weighting structure and a damping structure
11/03/2010CN101877810A Piezoelectric loudspeaker adopting interdigital electrodes or spiral electrodes
10/2010
10/28/2010WO2010121720A1 Method for producing an electromechanical transducer
10/27/2010EP2244489A1 Method for producing an electromechanical converter
10/26/2010US7820249 Ultrasonic energy system and method including a ceramic horn
10/26/2010US7818854 Ultrasound radiating members for catheter
10/21/2010WO2010119729A1 Method of manufacturing acoustic lens, ultrasound probe, and ultrasound diagnostic apparatus
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