| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 10/31/2002 | US20020157472 Method and apparatus for ultrasonic imaging |
| 10/29/2002 | US6472798 Piezoelectric acoustic components |
| 10/29/2002 | US6472797 Piezoelectric electro-acoustic transducer |
| 10/24/2002 | US20020156379 Wide or multiple frequency band ultrasound transducer and transducer arrays |
| 10/24/2002 | US20020153809 Single crystal thickness and width cuts for enhanced ultrasonic transducer |
| 10/23/2002 | EP1250827A2 Transducer |
| 10/22/2002 | US6469422 Hex packed two dimensional ultrasonic transducer arrays |
| 10/22/2002 | US6469418 Vibration monitoring system and method |
| 10/22/2002 | US6467140 Method of making composite piezoelectric transducer arrays |
| 10/17/2002 | WO2002082857A2 Actuator assembly |
| 10/15/2002 | US6465937 Single crystal thickness and width cuts for enhanced ultrasonic transducer |
| 10/15/2002 | US6465935 Ultrasonic transducer |
| 10/10/2002 | WO2002054379A3 Annular array |
| 10/10/2002 | US20020146138 Ultrasound based parametric multi-path loudspeaker system |
| 10/09/2002 | EP1248492A2 Ultrasonic parametric multiway speaker system |
| 10/09/2002 | EP1248491A2 Ultrasonic parametric speaker system |
| 10/09/2002 | EP1247421A1 Piezoelectric film sonic emitter |
| 10/09/2002 | CN1373864A System for autoamtically setting portable object with clock function |
| 10/09/2002 | CN1373348A Ultrasonic sensor, method for mfg. same and ultrasonic flowmeter |
| 10/03/2002 | WO2002077702A1 Display substrate with an integrated acoustic transducer |
| 10/03/2002 | WO2002047433A3 Loudspeaker systems |
| 10/03/2002 | US20020139193 Multi pre-focused annular array for high resolution ultrasound imaging |
| 10/02/2002 | CN2514607Y Superaudio generator |
| 10/02/2002 | CN1372431A Electroacoustic telephone transmitter |
| 10/01/2002 | US6457365 Method and apparatus for ultrasonic imaging |
| 10/01/2002 | US6457221 Manufacturing method of actuator for ink jet printer head |
| 09/26/2002 | WO2002040184A3 Multidimensional ultrasonic transducer arrays |
| 09/26/2002 | US20020135708 Display substrate and display device |
| 09/26/2002 | US20020134613 Speaker system |
| 09/26/2002 | US20020133948 Method for manufacturing printer device |
| 09/26/2002 | DE10207330A1 Verfahren zum Herstellen akustischer Dünnfilmvolumenresonatoren (FBARs) mit unterschiedlichen Frequenzen auf dem gleichen Substrat durch eine 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 |
| 09/25/2002 | EP1242991A1 Ultrasonic diagnostic imaging system transducer array with multiline patches |
| 09/25/2002 | EP1241994A2 Ultrasound transducers for imaging and therapy |
| 09/25/2002 | CN1371532A Piezoelectric bending transducer |
| 09/19/2002 | WO2002074010A1 Microphone equipped with a range finder |
| 09/19/2002 | WO2002073318A2 Method and device for vibration control |
| 09/19/2002 | US20020130591 Hex packed two dimensional ultrasonic transducer arrays |
| 09/19/2002 | US20020130590 Piezocomposite,ultrasonic probe for ultrasonic diagnostic equipment, ultrasonic diagnostic equipment, and method for producing piezocomposite |
| 09/19/2002 | US20020130589 Piezoelectric vibrator, piezoelectric vibration apparatus for using the same and manufacturing method therefor |
| 09/19/2002 | US20020129478 Method for manufacturing printer device |
| 09/19/2002 | CA2439087A1 Microphone equipped with a range finder |
| 09/18/2002 | EP1240676A2 Electro-active devices |
| 09/17/2002 | US6453050 Piezoelectric speaker, method for producing the same, and speaker system including the same |
| 09/12/2002 | WO2002071798A1 Bone conduction hearing aid |
| 09/12/2002 | US20020125793 Multilayered piezoelectric/electrostrictive ceramic actuator |
| 09/12/2002 | US20020124662 Ultrasonic transducer, method for manufacturing ultrasonic transducer, and ultra sonic flowmeter |
| 09/12/2002 | US20020124369 Method of manufacturing an ultrasound transducer and ultrasound transducer obtained by means of the method |
| 09/12/2002 | DE10155894A1 Ultrasound converter array comprises a number of elements consisting of piezoelectric ceramic layers and electrodes |
| 09/11/2002 | EP1238290A1 Ultrasonic horn assembly |
| 09/11/2002 | EP0670051B1 Diffractive display utilizing reflective or transmissive light yielding single pixel full color capability |
| 09/11/2002 | CN2511082Y Improved piezoelectric neck telephone |
| 09/11/2002 | CN1368833A 扬声器系统 Speaker system |
| 09/11/2002 | CN1090887C Ultrasonic transmitter receiver |
| 09/05/2002 | US20020122563 Bone conduction hearing aid |
| 09/05/2002 | US20020122561 Elastomeric dielectric polymer film sonic actuator |
| 09/05/2002 | US20020121843 Piezoelectric/electrostrictive device and method of fabricating the same |
| 09/05/2002 | US20020121498 Method for producing thin film bulk acoustic resonators (FBARs) with different frequencies on the same substrate by subtracting method and apparatus embodying the method |
| 09/04/2002 | EP1237205A2 Piezoelectric/electrostrictive device for light reflection and method for fabricating the same |
| 09/04/2002 | EP1237148A2 Ultrasonic transducer, method of manufacture, and use in a ultrasonic flowmeter |
| 09/04/2002 | CN1367962A Sound communication system between portable unit and communication terminal |
| 09/03/2002 | US6445108 Piezoelectric acoustic component |
| 08/29/2002 | WO2002066267A2 Piezoelectric transducer for generating ultrasound |
| 08/29/2002 | WO2002045073A3 Systems and methods for controlling a phased array focused ultrasound system |
| 08/29/2002 | US20020118849 Acoustic Transducer with spiral-shaped piezoelectric shell |
| 08/22/2002 | WO2002065451A1 Floor mat with voice-responsive display |
| 08/22/2002 | US20020114476 Electroacoustic capsule |
| 08/22/2002 | US20020114217 Apparatus and method of forming electrical connections to an acoustic transducer |
| 08/22/2002 | DE10109932A1 Piezoelement zur Ultraschallerzeugung und piezoelektrischer Transducer Piezo element for generating ultrasound and piezoelectric transducer |
| 08/22/2002 | CA2437361A1 Floor mat with voice-responsive display |
| 08/21/2002 | EP1233647A2 Electroacoustic capsule |
| 08/21/2002 | EP1232669A1 Electromechanic film and acoustic element |
| 08/21/2002 | CN1365462A Acoustic touch senser |
| 08/20/2002 | US6436051 Electrical connection system for ultrasonic receiver array |
| 08/20/2002 | CA2235754C Piezoelectric transducers |
| 08/15/2002 | WO2002063606A1 Ultrasound transducer and method of manufacturing an ultrasound transducer |
| 08/15/2002 | US20020111795 System for playback of pre-encoded signals through a parametric loudspeaker system |
| 08/15/2002 | US20020109439 Piezoelectric bending transducer |
| 08/14/2002 | EP1231818A1 Anti-noise pickup |
| 08/14/2002 | EP1230689A1 Piezoelectric macro-fiber composite actuator and manufacturing method |
| 08/13/2002 | US6434244 Electroacoustic converter |
| 08/13/2002 | US6432050 Implantable acoustic bio-sensing system and method |
| 08/13/2002 | US6431175 System and method for directing and monitoring radiation |
| 08/08/2002 | WO2002062096A2 Electroacoustic conversion of audio signals, especially voice signals |
| 08/08/2002 | US20020107044 Integrated information display and piezoelectric sound generator and applied devices thereof |
| 08/08/2002 | US20020105250 Array of ultrasound transducers |
| 08/07/2002 | EP1229760A2 Speaker system |
| 08/07/2002 | EP1227763A2 Split beam transducer |
| 08/01/2002 | US20020101253 Method and device for vibration control |
| 07/31/2002 | EP1227525A2 Piezocomposite, ultrasonic probe for ultrasonic diagnostic equipment, ultrasonic diagnostic equipment and method for producing piezocomposite |
| 07/30/2002 | US6427017 Piezoelectric diaphragm and piezoelectric speaker |
| 07/25/2002 | US20020096973 Class V flextensional transducer with directional beam patterns |
| 07/24/2002 | EP1224836A2 Parametric loudspeaker with improved phase characteristics |
| 07/24/2002 | EP1075688B1 Method of applying a matching layer to a transducer |
| 07/23/2002 | US6424597 Multielements ultrasonic contact transducer |
| 07/23/2002 | US6423412 Polyvinylidine fluoride co/homopolymer layers exhibiting piezoelectricity; capacitors; annealing; radiation |
| 07/18/2002 | US20020094109 Dual bi-laminate polymer audio transducer |
| 07/17/2002 | EP1222735A1 Interface acoustic wave filter, especially for wireless connections |
| 07/16/2002 | US6420819 Packaged strain actuator |
| 07/16/2002 | US6420818 Electroacoustic transducer |
| 07/16/2002 | US6419648 Systems and methods for reducing secondary hot spots in a phased array focused ultrasound system |