Patents for H04R 15 - Magnetostrictive transducers (423)
03/2015
03/04/2015EP2843970A1 Speaker
02/2015
02/05/2015US20150036869 Electronic apparatus, and method of providing of sound
01/2015
01/22/2015US20150023545 Speaker Magnetic Circuit
01/13/2015US8934657 Speaker magnet assembly with included spider
01/08/2015US20150010196 Three-Magnet Type Microspeaker
01/01/2015US20150003661 Energy conversion apparatus
12/2014
12/30/2014US8923538 Method and device for frequency compression
12/30/2014US8923535 Magnetostrictive auditory system
12/25/2014US20140376766 Miniature moving-coil speaker
12/25/2014US20140376751 Moving magnet transducer
12/24/2014CN104247455A 扬声器 Speaker
12/11/2014US20140363019 Sounding body and audio reproduction device using same, and mobile device
12/09/2014US8908891 Hearing aid apparatus and method
11/2014
11/27/2014US20140348374 Magnetic circuit for loudspeaker, and loudspeaker using same
11/27/2014US20140348369 Decoupled drive unit for a loudspeaker enclosure
11/27/2014US20140348348 Personal media playing system
10/2014
10/23/2014US20140314267 Speaker device with a magnetic gap filled with magnetic fluid and changing magnetic flux density in axial and circumferential directions
10/21/2014US8867759 System and method for utilizing inter-microphone level differences for speech enhancement
10/07/2014US8855338 Transducers employing bowed lamina
10/02/2014US20140294228 Loudspeaker magnetic circuit and loudspeaker using same
09/2014
09/25/2014US20140286524 Loud speakers
09/04/2014US20140247960 Electromagnetic transducer
08/2014
08/07/2014US20140219479 Speaker magnet assembly with included spider
06/2014
06/19/2014US20140169594 Mems component for generating pressure pulses
06/04/2014CN102026075B Vibration speaker
02/2014
02/26/2014CN101803401B Digital speaker driving device, digital speaker device, digital actuator, plane display device and portable electronic device
11/2013
11/20/2013CN103401559A Digital loudspeaker driving device, digital loudspeaker device, digital actuator, planar display device, and mobile electronic apparatus
11/13/2013CN101821871B Magnetostrictive actuator
10/2013
10/31/2013WO2013160975A1 Speaker
10/03/2013US20130259271 Earphone and ear-worn bone conduction device
09/2013
09/04/2013CN203181216U Tuning fork resonant giant magnetostriction speaker
09/04/2013CN203181215U Resonant giant magnetostrictive loudspeaker
08/2013
08/21/2013CN103260121A Resonant-mode ultra magnetostriction loudspeaker
08/21/2013CN103260120A Tuning fork resonant type ultra-magnetostriction loudspeaker
08/21/2013CN101014214B 扬声器 Speaker
08/07/2013EP2622878A1 Microphone using a magneto-elastic effect
07/2013
07/16/2013US8488824 Audio encoding and decoding method and associated audio encoder, audio decoder and computer programs
07/03/2013CN203039901U Novel sound box high frequency unit
07/03/2013CN203039900U Novel sound box full frequency unit
07/03/2013CN103188593A Securing apparatus for a vibration speaker
06/2013
06/25/2013US8471432 Magnetostrictive actuator
05/2013
05/22/2013EP2594086A1 Inflatable ear mold with protected inflation air inlet
05/22/2013EP2594085A1 Inflatable ear piece with pressure relief valve
04/2013
04/18/2013US20130094680 Portable Electronic Device with Magnetic Audio Interface and Audio Reproduction Accessory Therefor
04/11/2013US20130089226 Auditory comprehension and audibility device
04/03/2013CN103024650A Giant magnetostrictive rare-earth transducer for parametric loudspeaker
03/2013
03/28/2013WO2012007508A3 Inflatable ear mold connection system
03/13/2013CN102972044A Inflatable ear mold with protected inflation air inlet
01/2013
01/23/2013CN1980491B Speaker and method of outputting acoustic sound
12/2012
12/20/2012WO2012073262A3 "a device for sound reproduction with coaxial acoustic actuators"
11/2012
11/28/2012CN101253804B Speaker, image element protective screen, case of terminal, and terminal
10/2012
10/18/2012DE102008010617B4 Hochleistungs-Ultraschallwandler und Verfahren zu dessen Herstellung High-power ultrasound transducer and process for its preparation
09/2012
09/26/2012CN101188874B Magnetism driven telescopic driver
08/2012
08/07/2012CA2696180C Acoustic transducer components
07/2012
07/04/2012CN202310089U 一种基于超磁致伸缩双叠片扬声器 Based on giant magnetostrictive double laminated speaker
07/03/2012US8213634 Modular and scalable directional audio array with novel filtering
05/2012
05/30/2012EP2458892A1 Speaker device and method for forming speaker device
05/30/2012CN1893737B Driving device and method
05/23/2012CN102474690A Contact sh-guided-wave magnetostrictive transducer
05/23/2012CN102474685A Speaker device and method for forming speaker device
05/18/2012WO2012062514A1 Microphone using a magneto-elastic effect
05/10/2012US20120114150 Speaker apparatus
04/2012
04/26/2012US20120099747 Audio Signal System
04/12/2012US20120087523 Speaker having center pleat
03/2012
03/22/2012DE102007030744B4 Akustischer Aktor und Verfahren zu dessen Herstellung Acoustic actuator and process for its preparation
03/21/2012CN101400010B Novel audio converter
03/14/2012EP2172060B1 Magnetostrictive microloudspeaker
03/13/2012US8134432 Magnetically biased magnetopropant and pump
02/2012
02/28/2012US8126169 Super magnetostriction speaker
01/2012
01/19/2012WO2012007193A1 Inflatable ear mold with protected inflation air inlet
01/19/2012WO2012007187A2 Inflatable ear mold interface connection system
01/19/2012WO2012007067A1 Inflatable ear piece with pressure relief valve
01/19/2012WO2012007066A1 Ear piece and hearing device with ear piece
01/17/2012US8098841 Sound field controlling apparatus
12/2011
12/28/2011CN101389153B 一种大地耦合拾音器装置 Geodetic pickups coupled device
11/2011
11/24/2011US20110286613 Speaker System
11/22/2011US8064626 Loudspeaker apparatus
11/16/2011CN102244831A Super sound conductor
09/2011
09/21/2011CN101056477B Radio attached audio energy converter
09/14/2011CN1926916B Driver for an ultrasonic transducer and an ultrasonic transducer
08/2011
08/10/2011CN102150290A Magnetorestrictive actuator and speaker and device using said magnetorestrictive actuator
08/09/2011US7995780 Hearing aid with feedback cancellation
07/2011
07/06/2011CN201893925U Audio oscillator with adsorption structure
06/2011
06/09/2011WO2011067595A1 Audio device
06/08/2011EP2329802A1 Embedded audiphone
05/2011
05/19/2011US20110116664 Magnetostrictive actuator and speaker and device using said magnetostrictive actuator
05/19/2011US20110116663 Magnetostrictive microloudspeaker
04/2011
04/28/2011WO2011048957A1 Sound generating device for warning of approach of vehicle
04/20/2011CN102026075A Vibration speaker
04/06/2011CN201789626U Super energy sound transmitter
03/2011
03/30/2011CN201781614U Dynamic music synchronous vibrator
03/23/2011CN201774672U Resonant audio converter
03/08/2011CA2463412C Hybrid piezoelectric and magnetostrictive actuator
02/2011
02/22/2011US7893801 Magnetically biased magnetopropant and pump
02/09/2011CN201742549U Super-power sound conduction device for business windows
02/03/2011WO2011013225A1 Speaker device
01/2011
01/27/2011WO2011010743A1 Speaker device and method for forming speaker device
01/26/2011CN1874614B Electromechanical transformation device
01/12/2011CN101945318A Dynamic music synchronous vibrator
01/06/2011WO2011002139A1 Contact sh-guided-wave magnetostrictive transducer
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