| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 06/08/2004 | US6747395 Piezoelectric loudspeaker |
| 06/03/2004 | WO2004047482A2 A high intensity directional electroacoustic sound generating system for communications targeting |
| 06/03/2004 | WO2004047192A2 Electro-active actuator |
| 06/03/2004 | US20040106870 Method for monitoring of medical treatment using pulse-echo ultrasound |
| 06/03/2004 | US20040105560 Piezoelectric transducer adapted to bridge of stringed instrument |
| 06/02/2004 | EP1423990A2 Electromagnetic piezoelectric acoustic sensor |
| 06/02/2004 | EP1423051A1 Cylindrical ultrasound receivers and transceivers formed from piezoelectric film |
| 06/01/2004 | US6744180 Piezoelectric electroacoustic transducer |
| 05/27/2004 | WO2004010592A3 Handheld device having ultrasonic transducer for axial transmission of acoustic signals |
| 05/27/2004 | US20040101150 Piezoelectric driver device with integral sensing layer |
| 05/27/2004 | US20040100163 Method for making electrical connection to ultrasonic transducer through acoustic backing material |
| 05/27/2004 | DE19832072B4 Piezoelektrischer elektroakustischer Konverter A piezoelectric electroacoustic converter |
| 05/26/2004 | EP1422970A2 Transducer of the piezo-electric type |
| 05/26/2004 | EP1421821A1 Directional sensors for head-mounted contact microphones |
| 05/26/2004 | EP1421642A1 Arrangement for integrating a radio phone structure |
| 05/26/2004 | CN2618400Y Piezoelectric loudspeaker for broadcasting weak client signals stably |
| 05/25/2004 | US6741710 Piezoelectric electroacoustic transducer |
| 05/25/2004 | US6741709 Condenser microphone assembly |
| 05/25/2004 | US6740035 Ultrasonic receiving apparatus and ultrasonic diagnosing apparatus using the same |
| 05/25/2004 | US6739424 Speaker system |
| 05/20/2004 | US20040096072 Microphone equipped with a range finder |
| 05/19/2004 | EP1324702B1 Intravascular ultrasonic catheter |
| 05/18/2004 | US6737941 Interface acoustic waves filter, especially for wireless connections |
| 05/13/2004 | WO2002096506A9 Tissue-retaining system for ultrasound medical treatment |
| 05/13/2004 | US20040090148 Multi-frequency transmission/reception apparatus |
| 05/13/2004 | DE10350090A1 Ultrasound transmitter, receiver or transmitter/receiver has elastic holder with elastic wall with pressure side at one end, elastic holding part for external end wall of sensor pressed into holder |
| 05/12/2004 | EP1418003A1 Microfluidic pumping system |
| 05/12/2004 | EP1417730A1 Integrated radio telephone structure |
| 05/12/2004 | CN1494875A Multipicture converter displaying and using method |
| 05/12/2004 | CN1149395C Cladding block for supersonic array energy-converter |
| 05/11/2004 | US6734604 Multimode synthesized beam transduction apparatus |
| 05/11/2004 | US6733456 Off-aperture electrical connection for ultrasonic transducer |
| 05/06/2004 | WO2003013181A3 System for attaching an acoustic element to an integrated circuit |
| 05/06/2004 | US20040086400 Fluidic pumping system |
| 05/06/2004 | US20040085001 Piezoelectric type electric acoustic converter |
| 05/06/2004 | EP1415299A1 Acoustic imaging system with non-focusing lens |
| 05/06/2004 | EP1415298A1 Ultrasonic probe using ribbon cable attachment system |
| 05/06/2004 | EP1414739A2 Micro-machined ultrasonic transducer (MUT) array |
| 04/30/2004 | CA2444525A1 Fluidic pumping system |
| 04/29/2004 | WO2004036152A1 Ultrasonic flow meter and wave transmission/reception device |
| 04/29/2004 | WO2002096504A9 Treatment of lung lesions using ultrasound |
| 04/29/2004 | WO2002096304A8 Method for aiming ultrasound for medical treatment |
| 04/29/2004 | WO2002045073A8 Systems and methods for controlling a phased array focused ultrasound system |
| 04/29/2004 | US20040081326 Transducer |
| 04/28/2004 | EP1414266A2 Active acoustic devices |
| 04/28/2004 | CN1148105C Louds speaker device |
| 04/27/2004 | US6726631 Frequency and amplitude apodization of transducers |
| 04/22/2004 | WO2002096502A9 Ultrasound-based occlusive procedure for medical treatment |
| 04/22/2004 | DE10197068T5 Multidimensionales Feld und dessen Herstellung Multidimensional array and its preparation |
| 04/20/2004 | US6724129 Laminated piezoelectric element, method for manufacturing the same, and piezoelectric actuator |
| 04/15/2004 | US20040072432 Manufacturing method of ceramic device using mixture with photosensitive resin |
| 04/14/2004 | CN1145923C Piezoelectric electro-acoustic transducer |
| 04/13/2004 | US6720712 Piezoelectric identification device and applications thereof |
| 04/13/2004 | US6720709 Piezoelectric transducer |
| 04/13/2004 | US6720708 Mechanical-to-acoustical transformer and multi-media flat film speaker |
| 04/13/2004 | US6719694 Ultrasound transducers for imaging and therapy |
| 04/08/2004 | WO2004019652A3 Loudspeaker |
| 04/08/2004 | WO2003069594A3 Surface acoustic antenna for submarines |
| 04/07/2004 | EP1405301A2 Variable multi-dimensional apodization control for ultrasonic transducers |
| 04/06/2004 | US6718040 Transformer, loudspeaker device, loudspeaker network, and loudspeaker system |
| 04/06/2004 | US6717337 Piezoelectric acoustic actuator |
| 04/06/2004 | US6716173 Ultrasonic imaging method and ultrasonic imaging apparatus |
| 04/06/2004 | CA2107525C Method and apparatus for acoustic examination using time reversal |
| 04/01/2004 | WO2004028199A1 Loudspeaker |
| 04/01/2004 | US20040061543 Flexible MEMS transducer and manufacturing method thereof, and flexible MEMS wireless microphone |
| 04/01/2004 | DE10117528B4 Ultraschallbasiertes parametrisches Mehrwege-Lautsprechersystem Ultrasound-based parametric multi-way speaker system |
| 03/31/2004 | EP1403214A2 Flexible MEMS transducer manufacturing method |
| 03/31/2004 | EP1403212A2 Flexible mems transducer and manufacturing method thereof, and flexible mems wireless microphone |
| 03/31/2004 | EP1403055A1 Method of fabrication of electrostatic liquid emission device |
| 03/31/2004 | EP1401530A2 Guiding ultrasound end effector for medical treatment |
| 03/31/2004 | EP0873668A4 Implantable hearing aid |
| 03/31/2004 | EP0872157B1 Piezo speaker for improved passenger cabin audio systems |
| 03/31/2004 | CN1144501C Piezoelectric acoustic component |
| 03/31/2004 | CN1144498C Resonant panel-form loudspeaker |
| 03/25/2004 | US20040057596 Loudspeaker systems |
| 03/25/2004 | US20040055128 Manufacturing method of ceramic device using mixture with photosensitive resin |
| 03/25/2004 | US20040055127 Piezoelectric resonator and method of producing the same |
| 03/25/2004 | US20040055126 Fabrication of liquid emission device with symmetrical electrostatic mandrel |
| 03/25/2004 | DE10341730A1 Ultrasound transducer for use in imaging system, has pair of mutually opposing electrode layers having patterns defining one-dimensional and multi-dimensional array of elements |
| 03/24/2004 | CN1484821A Annular array |
| 03/24/2004 | CN1143189C System for automatically setting portable object with clock function |
| 03/23/2004 | US6710681 Thin film bulk acoustic resonator (FBAR) and inductor on a monolithic substrate and method of fabricating the same |
| 03/18/2004 | WO2004023682A1 Data transmission system and method using sound waves |
| 03/18/2004 | WO2004023199A1 Liquid crystal display device having sound output function and the like and electronic device using the same |
| 03/18/2004 | WO2002096502A3 Ultrasound-based occlusive procedure for medical treatment |
| 03/18/2004 | US20040054289 Method for manufacturing an intravascular ultrasound transducer assembly having a flexible substrate |
| 03/18/2004 | US20040052387 Piezoelectric film emitter configuration |
| 03/18/2004 | US20040049901 Method for making a multielement acoustic probe using a metallised and ablated polymer as ground plane |
| 03/18/2004 | US20040049900 Multi-layer multi-dimensional transducer and method of manufacture |
| 03/17/2004 | EP1397937A2 Loudspeaker |
| 03/17/2004 | EP1397075A2 Deployable ultrasound medical transducers |
| 03/17/2004 | EP1397074A2 Tissue-retaining system for ultrasound medical treatment |
| 03/17/2004 | EP1397073A2 Excisional and ultrasound medical treatment system |
| 03/17/2004 | EP1397070A2 Staging medical treatment using ultrasound |
| 03/17/2004 | CN1481759A Ultrasound transmit pulser with receive interconnection and method of use |
| 03/11/2004 | WO2002096501A3 Faceted ultrasound medical transducer assembly |
| 03/11/2004 | US20040049111 Ultrasonic probe for operation under microscope |
| 03/11/2004 | US20040049110 Multiple pattern transducer array and method of use |
| 03/11/2004 | US20040048470 Interconnection devices for ultrasonic matrix array transducers |
| 03/11/2004 | DE10238325A1 Lautsprecher Speaker |