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)
09/2005
09/29/2005US20050215894 Ultrasound system
09/29/2005US20050213788 Acoustically active element formed in a multi-layer circuit-board structure, a method for forming acoustically active element in a multi-layer circuit-board structure, and a multi-layer circuit-board structure
09/29/2005US20050213787 Microphone assembly with preamplifier and manufacturing method thereof
09/29/2005US20050213785 Piezoelectric speaker, speaker system employing it, and electronic apparatus employing piezoelectric speaker
09/29/2005US20050210645 Method of manufacturing actuator device, and liquid jet device
09/28/2005CN1220864C Dynamic change detecting method and apparatus, and ultrasonic diagnosing apparatus
09/27/2005US6950373 Multiply resonant wideband transducer apparatus
09/21/2005EP1576851A2 Acoustic actuators
09/21/2005EP1299940A4 Mechanical-to-acoustical transformer and multi-media flat film speaker
09/20/2005US6946779 Electromechanical transducer
09/20/2005US6946777 Polymer film composite transducer
09/15/2005WO2005086528A1 Method of manufacturing film-speaker using piezoelectric film and sound equipment with the same
09/15/2005US20050203403 Pulse detecting device and ultrasound diagnostic apparatus
09/15/2005US20050200243 Method and device for vibration control
09/14/2005EP1575334A1 Ultrasonic transmitter/receiver, process for producing the same, and ultrasonic flowmeter
09/14/2005EP1198301B1 Impedance matching transducers
09/14/2005CN1666870A Method of manufacturing actuator device, and liquid jet device
09/09/2005WO2005082059A2 Focused parametric array
09/09/2005WO2005009219A3 Method for making a spiral array ultrasound transducer
09/08/2005US20050197574 Ultrasound transducer array having a flexible substrate
09/08/2005US20050196008 Method and apparatus for tooth bone conduction microphone
09/08/2005US20050196007 Adhesive microphone
09/08/2005US20050195985 Focused parametric array
09/07/2005CN1666568A Wideband transducer
09/07/2005CN1218610C Electromechanical transducer
09/07/2005CN1218550C Piezoelectric electroacoustic transducer and its manufacturing method
09/06/2005US6940564 Display substrate and display device
09/06/2005US6939300 Multiple level transmitter and method of transmitting
09/01/2005WO2005079187A2 Surface deformation electroactive polymer transducers
09/01/2005CA2537244A1 Surface deformation electroactive polymer transducers
08/2005
08/31/2005CN1663154A Data transmission system and method using sound waves
08/25/2005US20050185800 Parametric sound system with lower sideband
08/24/2005CN1659925A An acoustically active element formed in a multi-layer circuit-board structure, a method for forming acoustically active element in a multi-layer circuit-board structure, and a multi-layer circuit-boa
08/24/2005CN1659791A Portable electronic apparatus
08/24/2005CN1658061A Camera and electronic apparatus
08/23/2005US6934521 System for automatically setting a portable object with a clock function
08/23/2005US6933663 Cell driving type actuator and method for manufacturing the same
08/23/2005US6931698 Method for fabricating piezoelectric/electrostrictive device
08/23/2005CA2194605C Wideband multifrequency acoustic transducer
08/18/2005WO2005074798A1 Integrated microphone array
08/18/2005US20050180581 Integrated microphone array
08/18/2005US20050179813 Camera and electronic apparatus
08/17/2005EP1563706A2 A high intensity directional electroacoustic sound generating system for communications targeting
08/17/2005EP1563550A2 Electro-active actuator
08/17/2005EP1206729B1 System for automatically setting a portable object with a clock function
08/17/2005CN1655645A Loudspeaker and apparatus using loudspeaker
08/11/2005WO2005072084A2 Medical treatment monitoring using pulse-echo ultrasound
08/11/2005US20050177204 Implantable acoustic sensor
08/11/2005US20050174017 Composite piezoelectric vibrator
08/11/2005US20050174016 Composite piezoelectric body
08/10/2005EP0990271A4 Loudspeaker assembly
08/10/2005CN2717155Y Piezo-electric ceramic loudspeaker
08/10/2005CN1652723A Multiple scan-plane ultrasound imaging of objects
08/10/2005CN1214691C Piezo-electric acoustical component and its making method
08/09/2005US6926671 Ultrasonic imaging apparatus and method
08/04/2005US20050169107 Switching circuitry for reconfigurable arrays of sensor elements
08/04/2005DE102004063219A1 Schallwandler zur Verwendung an einem Rohrteil und Verfahren zum Anbringen eines Schallwandlers an einem Rohrteil Transducer for use on a pipe portion and method of mounting a transducer on a pipe part
08/03/2005CN1649678A Ultrasonic membrane transducer
08/03/2005CN1648690A Integrated acoustic transducer assembly
08/02/2005US6924587 Piezoelectric transducer, manufacturing method of piezoelectric transducer and pulse wave detector
07/2005
07/28/2005WO2005069481A1 Crystal oscillators
07/28/2005WO2005069395A1 Piezoelectric transducer
07/28/2005DE10226384B4 Piezoelektrischer elektroakustischer Wandler und Herstellverfahren hierfür A piezoelectric electro-acoustic transducer and manufacturing method thereof
07/28/2005DE102004063707A1 Gekrümmte mikrobearbeitete Ultraschalltransducerarrays und zugehörige Herstellungsverfahren Curved micromachined ultrasound transducer and associated manufacturing processes
07/28/2005CA2553222A1 Crystal oscillators
07/27/2005EP0874589B1 Modular transducer system
07/27/2005EP0741914B1 Packaged strain actuator
07/21/2005WO2005067346A1 Piezoelectric actuator
07/21/2005WO2005034575A3 Module for the production of transmitter panels and sound receivers, panel thus produced
07/21/2005US20050157905 Loudspeaker
07/21/2005US20050157901 Sound collector
07/21/2005US20050157893 Surface deformation electroactive polymer transducers
07/21/2005US20050157590 Surface acoustic antenna for submarines
07/21/2005US20050156490 Piezocomposite, ultrasonic probe for ultrasonic diagnostic equipment, ultrasonic diagnostic equipment, and method for producing piezocomposite
07/21/2005US20050155202 Piezoelectric device, liquid jet head, and methods for manufacturing the same, and thin film forming apparatus
07/20/2005CN1211727C Acoustic touch detector
07/19/2005US6919669 Electro-active device using radial electric field piezo-diaphragm for sonic applications
07/14/2005WO2005064989A1 Piezoelectric electro-acoustic converter
07/14/2005WO2005064699A1 Piezoelectric device
07/14/2005US20050152222 Convex folded shell projector
07/14/2005US20050152219 Acoustic transducers for tubulars
07/14/2005US20050150713 Integrated acoustic transducer assembly
07/13/2005EP1552718A1 A transducer for bioacoustic signals
07/13/2005CN2710297Y Packaged piezoelectric laser conducting module
07/13/2005CN1638507A Actuator
07/13/2005CN1210992C Loudspeaker system
07/07/2005WO2005062667A1 Acoustic projector having minimized mechanical stresses
07/07/2005WO2005062666A1 Acoustic projector and method of manufacture
07/07/2005US20050147274 Acoustic device
07/07/2005US20050147273 Acoustic device
07/07/2005US20050147264 Piezoelectric speaker
07/07/2005US20050146834 Manufacturing method of integrated capacitor, and integrated capacitor
07/07/2005US20050146247 Curved micromachined ultrasonic transducer arrays and related methods of manufacture
07/06/2005EP1550348A1 Piezoelectric transducer systems
07/06/2005EP1550345A2 Piezoelectric loudspeaker
07/06/2005CN1636150A Ultrasound transducer
07/05/2005US6914993 Piezoelectric film loudspeaker
06/2005
06/30/2005WO2005058138A2 Method for mapping temperature rise using pulse-echo ultrasound
06/30/2005US20050139013 Ultrasonic sensor
06/29/2005CN1633825A Card sound device and electronic apparatus having same
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