Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 17 - Piezo-electric transducers; Electrostrictive transducers
Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213)
12/2000
12/19/2000US6161270 Making printheads using tapecasting
12/14/2000WO2000076007A1 Sheet-shaped piezoelectric device, method for making same, and piezoelectric vibrator and piezoelectric sound generator using same
12/14/2000WO2000054549A3 Vibration exciters for driving bending wave panels
12/05/2000US6155979 Ultrasonic measurement apparatus, system and use of the same
11/2000
11/30/2000WO2000072627A2 Transducer driver
11/28/2000US6153967 Ultrasonic probe and ultrasonic diagnostic apparatus
11/28/2000US6153966 Biocompatible, implantable hearing aid microactuator
11/21/2000US6151402 Vibration transducers
11/15/2000EP1051700A1 Multielement ultrasonic contact transducer
11/15/2000CN1058575C Method for manufacturing array of electrodisplacive actuated mirror and optical projection system using manufactured array of electrodisplacive actuated mirror thereof
11/09/2000WO2000067525A2 Piezoelectric vibration exciter
11/08/2000EP1051058A2 Piezoelectric audio device and method for sound production
11/08/2000EP1050321A2 System and method for directing and monitoring radiation therapy
11/08/2000EP1050264A1 Implantable acoustic bio-sensing system and method
11/08/2000EP1050191A1 Thin loudspeaker
11/08/2000EP1050190A1 Active acoustic devices comprising panel members
11/08/2000EP1050079A1 High-sensitivity piezocomposite material and ultrasonic transducer made therefrom
11/07/2000US6142823 Electronic component connector
11/06/2000CA2306200A1 System and method for directing and monitoring radiation
11/03/2000CA2306196A1 Implantable acoustic biosensing system and method
10/2000
10/31/2000US6141429 Speaker
10/31/2000US6140740 Piezoelectric transducer
10/26/2000WO2000062688A1 Apparatus and method for tuning ultrasonic transducers
10/26/2000WO2000062678A1 Ultrasonic transducer with improved compressive loading
10/24/2000US6137890 Lumped parameter resonator of a piezoelectric speaker
10/24/2000US6137209 High power ultrasonic transducer
10/24/2000US6135339 Ultrasonic transducer with a flange for mounting on an ultrasonic welding device, in particular on a wire bonder
10/18/2000CN1270152A Piazoelectric ceramic composition, buzzer thereof and controller
10/12/2000WO2000060900A2 Hearing aid compatible piezoelectric speaker
10/11/2000EP1042822A1 Piezoelectric transducer
10/11/2000CN1269912A Aerogels, Piezoelectric device and uses thereof
10/10/2000CA2143293C Electronic component
10/05/2000WO2000059049A1 Surface-laminated piezoelectric film sound transducer
10/04/2000CN1268861A Piezo-electric element and piezo-electric type acoustic device, and mfg. method therefor
10/03/2000USH1875 Electroacoustic transducer
09/2000
09/28/2000WO2000057496A1 Broadband elecro-acoustic transducer
09/27/2000EP1038290A1 Ultrasonic transducer with a cup-shaped support
09/27/2000CN1268016A Electroacoustical converter
09/26/2000US6124664 Transducer backing material
09/26/2000US6123671 Method and apparatus for distributed, agile calculation of beamforming time delays and apodization values
09/21/2000WO2000054897A2 Low profile acoustic sensor array and sensors with pleated transmission lines and related methods
09/20/2000EP0860095B1 Method for making a sound transducer integrated into an acoustic signal generating card
09/19/2000US6122387 Piezoelectric loudspeaker
09/14/2000WO2000054549A2 Vibration exciters for driving bending wave panels
09/13/2000EP0763233B1 Impedance-matching composite material for an ultrasonic phased array and a method of making
09/13/2000CN1266604A Sound radiating devices
09/12/2000US6117083 Ultrasound imaging probe assembly
09/12/2000CA2214961C Ultrasonic apparatus
09/07/2000DE10007455A1 Piezoelectric acoustic device e.g. for buzzer has insulator cap held with adhesive to diaphragm
09/06/2000EP1032926A1 Eas marker and method of manufacturing same
09/05/2000US6113546 Off-aperture electrical connection for ultrasonic transducer
09/05/2000CA2179212C Piezoelectric acoustic device
08/2000
08/30/2000EP1032244A2 Electroacoustic transducer
08/30/2000EP1031229A1 Method for transmitting acoustic signals from a memory or chip card, and card for implementing said method
08/30/2000CN1265001A Electrosonic energy transducer
08/29/2000US6111967 Multi-segmented high deformation piezoelectric array
08/29/2000US6111818 Low voltage piezoelectric actuator
08/29/2000US6108880 Method of producing a piezoelectric/electrostrictive film element having convex diaphragm portions
08/24/2000WO2000049598A1 Arrays of quasi-randomly distributed ultrasound transducers
08/24/2000WO2000025297A3 Ultrasonic transducer having a tilted support, and method of manufacture
08/23/2000CN1264104A Piezoelectric acoustic assembly
08/17/2000DE19906109A1 Schaltungsanordnung mit einem selbstschwingenden Oszillator-Schaltkreis A circuit arrangement with a self-oscillating oscillator circuit
08/16/2000EP1028603A1 Circuit with self-resonant oscillator
08/15/2000US6104126 Composite transducer with connective backing block
08/15/2000US6103400 Electrode for dielectric-thin film device, and ultrasonic wave oscillator using the electrode
08/09/2000EP1026663A2 Multiplexed array transducers with improved far-field performance
08/03/2000WO2000045445A1 Multi-piezoelectric layer ultrasonic transducer for medical imaging
08/03/2000WO2000045067A1 Method and device for vibration control
08/03/2000DE10004062A1 Ultrasonic cutters for cutting complex shaped objects, is moved by cross slide against workups which is rotated slowly into position
08/02/2000EP1023780A1 Vehicular loudspeaker system
08/01/2000US6095978 Method of manufacturing an ultrasonic probe and the ultrasonic probe and an ultrasonic imaging apparatus
07/2000
07/20/2000WO2000042813A1 Passive microphone with wireless transmission
07/20/2000DE19902875C1 Piezoelectric sound transducer for stimulating bathtub wall to radiate sound has housing with thin-walled base that is liable to vibrate, carries piezoelectric element and faces bathtub wall
07/18/2000US6091181 Piezoelectric acoustic device
07/18/2000US6088893 Method for producing a piezoelectric/electrostrictive film-type element
07/13/2000WO2000041439A1 Piezoelectric transducer
07/13/2000WO2000041162A1 Method and apparatus for distributed, agile calculation of beamforming time delays and apodization values
07/13/2000WO2000040997A1 Method and apparatus for coherence imaging
07/11/2000US6088464 Acoustic piezoelectric vibrator and loudspeaker using the same
07/11/2000US6087760 Ultrasonic transmitter-receiver
07/11/2000US6085592 Ultrasonic sensor and obstruction detector having accurate obstruction detection capabilities
07/05/2000CN2386590Y Longitudinal composite piezoelectric ceramic detector
06/2000
06/28/2000EP1012891A2 Aerogels, piezoelectric devices, and uses therefor
06/22/2000WO2000035348A1 Sound pickup sensor
06/21/2000CN1257399A Piezoelectric loudspeaker
06/20/2000US6076244 Heat treatment method of actuators for an ink jet printer head and method for manufacturing an ink jet printer head
06/15/2000WO2000035244A1 High noise suppression microphone
06/14/2000EP0932523B1 Vehicle loudspeakers
06/08/2000WO2000033292A1 Multielement ultrasonic contact transducer
06/07/2000EP1005691A1 Acoustic transducer
06/07/2000EP1005628A2 Ultrasonic transducer for high transduction in gases and method for non-contact ultrasound transmission into solid materials
06/07/2000EP0874589A4 Modular transducer system
06/06/2000US6071240 Method and apparatus for coherence imaging
06/02/2000WO2000031808A1 High-sensitivity piezocomposite material and ultrasonic transducer made therefrom
06/02/2000WO2000030543A1 Diagnostic medical ultrasound systems and transducers utilizing micro-mechanical components
06/02/2000WO2000006025A9 Ultrasonic transducer off-aperature connection
05/2000
05/31/2000EP1004364A2 Power ultrasonic transducer
05/30/2000US6069433 Packaged strain actuator
05/30/2000US6068589 Biocompatible fully implantable hearing aid transducers
05/24/2000EP1002445A1 Sound radiating devices/systems
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