Patents for H04R 15 - Magnetostrictive transducers (423) |
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06/13/2007 | CN1980491A Speaker and method of outputting acoustic sound |
06/05/2007 | US7225686 Torque sensing apparatus |
05/24/2007 | US20070114855 Actuator |
05/10/2007 | WO2007052835A1 Speaker, image element protective screen, case of terminal, and terminal |
05/09/2007 | CN1960577A Portable audio drive unit |
04/18/2007 | EP1774310A2 Flexible electromagnetic acoustic transducer sensor |
04/12/2007 | WO2007015853A3 Audio signal system |
04/11/2007 | EP1773097A2 Acoustic actuators |
04/11/2007 | EP1773096A2 Portable audio drive unit |
04/04/2007 | CN2886965Y Magnetic circuit structure of loudspeaker |
03/07/2007 | CN1926916A Driver for an ultrasonic transducer and an ultrasonic transducer |
03/01/2007 | WO2006094251A3 Magnetostrictive fega alloys |
02/08/2007 | WO2007015853A2 Audio signal system |
02/08/2007 | CA2616335A1 Audio signal system |
01/23/2007 | US7165453 Flexible electromagnetic acoustic transducer sensor |
01/10/2007 | CN1893737A Driving device and method |
01/04/2007 | WO2006055354A3 Adaptive time-based noise suppression |
12/27/2006 | EP1576851B1 Acoustic actuator |
12/06/2006 | CN1874614A Electromechanical transformation device |
11/09/2006 | WO2006119179A2 Acoustic and magnetostrictive actuation |
11/09/2006 | WO2006118205A1 Giant-magnetostrictive speaker |
09/20/2006 | CN2819692Y Convex rib U-shaped iron of loundspeaker |
09/19/2006 | US7110564 Multi-function actuator |
09/14/2006 | US20060204029 Speaker unit and sound output device |
08/16/2006 | CN1819718A Magnetostrictive actuator |
08/10/2006 | WO2006014714A3 Flexible electromagnetic acoustic transducer sensor |
06/01/2006 | US20060113932 Vibrator unit and portable telephone employing it |
05/09/2006 | US7043313 Clock system capable of synchronizing clock frequencies of power processing devices and digital signal processing devices |
05/03/2006 | EP1653771A1 Detection apparatus and method of physical variable |
05/03/2006 | EP1245133A4 Active housing broadband tonpilz transducer |
03/09/2006 | US20060050904 Acoustic actuators |
03/08/2006 | EP1632107A1 Improved telephone handset |
02/01/2006 | CN1729715A Acoustic actuators |
02/01/2006 | CN1728412A Magnetostrictive device and its usage method, actuator, sensor |
01/18/2006 | CN1723738A Vibrator unit and portable telephone employing it |
11/23/2005 | CN1701632A Speaker unit and voice output device |
11/16/2005 | CN1698094A Apparatus for focusing ultrasonic acoustical energy within a liquid stream |
09/28/2005 | CN1674719A 扬声器 Speaker |
09/28/2005 | CN1673700A Torque sensor |
09/22/2005 | US20050207600 Speaker |
09/22/2005 | US20050204831 Torque sensor |
09/21/2005 | EP1576851A2 Acoustic actuators |
09/15/2005 | US20050201584 Helmet with a magnetostrictive actuator |
08/25/2005 | WO2005079111A1 Magnetostriction underwater transmitter/receiver |
07/21/2005 | WO2005067345A1 Driver for an ultrasonic transducer and an ultrasonic transducer |
07/20/2005 | EP0991913B1 Element comprising a layer structure and a current-directing means |
07/07/2005 | WO2005062665A1 Magnetostrictive acoustic apparatus |
07/07/2005 | WO2005062397A1 Actuator |
07/07/2005 | US20050146231 Driver for an ultrasonic transducer and an ultrasonic transducer |
05/10/2005 | US6891286 Magnetostrictive actuator |
03/03/2005 | DE10156816B4 Mehrfachfunktions-Signalgeber Multi-function signal generator |
02/24/2005 | WO2004105176A3 Underwater antenna with electroacoustic transducers embedded in a casting compound |
02/10/2005 | US20050029878 Magnetostrictive actuator |
12/02/2004 | WO2004105176A2 Underwater antenna with electroacoustic transducers embedded in a casting compound |
12/02/2004 | CA2524018A1 High-power ultrasound generator and use in chemical reactions |
11/02/2004 | CA2238774C Vibration wave detector |
10/28/2004 | WO2004057912A3 Acoustic actuators |
09/30/2004 | WO2004084578A1 Vibrator unit and portable telephone employing it |
09/22/2004 | CN2643591Y 水下扬声器 Underwater speakers |
08/25/2004 | EP1449200A1 Apparatus for focussing ultrasonic acoustical energy within a liquid stream |
08/17/2004 | US6776352 Apparatus for controllably focusing ultrasonic acoustical energy within a liquid stream |
08/12/2004 | WO2004068900A1 Speaker unit and voice output device |
07/15/2004 | DE10323493B3 Underwater antenna for acoustic monitoring of sea region e.g. for ship, using electroacoustic transducers embedded in acoustically transparent material |
07/08/2004 | WO2004057912A2 Acoustic actuators |
07/08/2004 | WO2004057911A1 Method and device for converting energy between membranes |
07/07/2004 | EP1435190A2 Magnetostrictive actuator |
06/08/2004 | US6747852 Magnetoresistance sensors with Pt-Mn transverse and longitudinal pinning layers and a decoupling insulation layer |
04/29/2004 | US20040079160 Pressure transducer |
04/22/2004 | WO1990005910A3 Wholly microfabricated biosensors and process for the manufacture and use thereof |
03/18/2004 | WO2004023638A1 Supermagnetostrictive device and applied apparatus comprising it |
03/17/2004 | CN1142036C Ultra-magnetostrictive soic wave transmitting energy converter |
02/19/2004 | WO2003005764A3 Portable acoustic device |
02/10/2004 | US6690805 Audio signal noise reduction system |
02/10/2004 | US6690621 Active housing broadband tonpilz transducer |
12/25/2003 | US20030235115 Active housing broadband tonpilz transducer |
12/18/2003 | WO2002076141A3 Magnetostrictive actuator |
11/26/2003 | CN1458807A Magnetostriction high-fidelity planar speaker |
10/22/2003 | CN2582313Y Structure improvement for speaker voice box |
10/01/2003 | EP1250827B1 Transducer |
08/05/2003 | US6603241 Acoustic mirror materials for acoustic devices |
06/26/2003 | WO2003052736A1 Apparatus for focussing ultrasonic acoustical energy within a liquid stream |
05/29/2003 | US20030098364 Apparatus for controllably focusing ultrasonic acoustical energy within a liquid stream |
04/16/2003 | EP1301766A1 Pressure transducer |
04/09/2003 | CN2544489Y Magnetostriction high-fidelity plane loudspeaker |
03/13/2003 | US20030046807 Method for forming a MR reader with reduced shield topography and low parasitic resistance |
03/06/2003 | US20030044031 Multi-function actuator |
02/20/2003 | US20030035253 Magnetoresistance sensors with Pt-Mn transverse and longitudinal pinning layers, and their fabrication method |
01/29/2003 | CN1394457A Transducer |
01/16/2003 | WO2003005764A2 Portable acoustic device |
11/19/2002 | CA2190726C A surface element and a device for generating sound |
10/23/2002 | EP1250827A2 Transducer |
10/17/2002 | WO2001072084A3 Dual mode audio device |
10/02/2002 | EP1245133A1 Active housing broadband tonpilz transducer |
10/02/2002 | CN1372431A Electroacoustic telephone transmitter |
09/26/2002 | WO2002076141A2 Magnetostrictive actuator |
09/10/2002 | US6449131 Canted longitudinal patterned exchange biased dual-stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof |
08/22/2002 | US20020114476 Electroacoustic capsule |
08/21/2002 | EP1233647A2 Electroacoustic capsule |
08/21/2002 | EP0768013B1 A surface element and a device for generating sound |
08/20/2002 | US6438243 Vibration wave detector |