Patents for H04R 11 - Transducers of moving-armature or moving-core type (1,828)
01/2014
01/29/2014CN103546857A Electric speaker and assembling method thereof, method of forming electric conductor or electric contact
01/28/2014US8638974 Electroacoustic transducer
01/21/2014US8634587 Acoustic conversion device
01/21/2014US8633064 Methods of manufacture of top port multipart surface mount silicon condenser microphone package
01/15/2014CN203399283U Novel simplified moving iron sounding device
01/14/2014US8630441 Multi-magnetic speaker
01/14/2014US8629552 Top port multi-part surface mount silicon condenser microphone package
01/14/2014US8629005 Methods of manufacture of bottom port surface mount silicon condenser microphone packages
01/08/2014CN103501480A Layout method of voice coil groups of moving-iron headset
01/07/2014US8624387 Top port multi-part surface mount silicon condenser microphone package
01/07/2014US8624386 Bottom port multi-part surface mount silicon condenser microphone package
01/07/2014US8624385 Top port surface mount silicon condenser microphone package
01/07/2014US8624384 Bottom port surface mount silicon condenser microphone package
01/07/2014US8623710 Methods of manufacture of bottom port multi-part surface mount silicon condenser microphone packages
01/07/2014US8623709 Methods of manufacture of top port surface mount silicon condenser microphone packages
12/2013
12/31/2013US8620014 Microphone
12/31/2013US8617960 Silicon microphone transducer
12/31/2013US8617934 Methods of manufacture of top port multi-part surface mount silicon condenser microphone packages
12/19/2013WO2013079930A9 Electro -acoustic transducer for mounting on a substrate
12/04/2013EP2670162A1 Earphone driver and method of manufacture
12/04/2013CN103428620A Counter weight device for movable gaugger conduction type receiver
12/04/2013CN103428619A Magnet yoke device for moving-iron type loudspeaker or receiver
12/04/2013CN103428618A Armature device used for moving-iron type loudspeaker or receiver
12/04/2013CN103428617A Vibrating wing device for moving-iron type loudspeaker or receiver
12/04/2013CN103428616A Overlaying piece type armature device for moving-iron type loudspeaker or receiver
12/04/2013CN103428590A Shielding casing for moving-iron type loudspeaker or receiver
11/2013
11/26/2013US8594363 Voice coil and SMT micro speaker using the same
11/21/2013WO2013170512A1 Laminated armature apparatus used in moving-iron speaker or telephone receiver
11/21/2013WO2013170510A1 Armature apparatus for moving-iron speaker or telephone receiver
11/21/2013WO2013170508A1 Magnetic yoke apparatus for moving-iron speaker or telephone receiver
11/21/2013WO2013170506A1 Counter-balancing apparatus for moving-iron osteophonic telephone receiver
11/19/2013US8588456 Acoustic conversion device
11/12/2013US8582800 Slim-type speaker with interconnecting damper and bobbin
11/12/2013US8582795 Robust diaphragm for an acoustic device
11/07/2013WO2013079930A3 Electro -acoustic transducer for mounting on a substrate
11/05/2013US8577076 Speaker device
11/05/2013US8577074 Vortex cooling of voice coils
10/2013
10/31/2013WO2013163115A1 Non-pressure sensitive implantable microphone
10/29/2013US8571249 Silicon microphone package
10/22/2013US8565452 Integrated acoustic transducer in MEMS technology, and manufacturing process thereof
10/15/2013US8559664 Microphone unit
10/08/2013US8553920 Arrangement comprising a microphone
09/2013
09/24/2013US8542862 Flat acoustic transducer and method for driving the same
09/24/2013US8542861 Loudspeaker, video device, and portable information processing apparatus
09/19/2013WO2013138234A1 A receiver with a non-uniform shaped housing
09/17/2013US8538061 Earphone driver and method of manufacture
09/03/2013US8526664 Capacitor microphone unit and capacitor microphone
09/03/2013US8526656 Microphone unit
08/2013
08/28/2013CN203167266U Basin-shaped horn
08/28/2013CN203167265U Basin-shaped horn
08/27/2013US8520887 Full range planar magnetic transducers and arrays thereof
08/27/2013US8520880 Boundary microphone
08/14/2013CN203136157U Armature device of moving-iron unit and moving-iron unit
07/2013
07/30/2013US8498442 Loudspeaker, video device, and portable information processing apparatus
07/30/2013US8498438 Condenser microphone
07/24/2013CN101448190B Ribbon microphone and ribbon microphone unit
07/23/2013US8494208 Inertial vibration exciter
07/18/2013WO2013105298A1 Vibration sensor and external environment detection device
07/16/2013US8488830 Condenser microphone having a flexible neck
07/16/2013US8488829 Paired gradient and pressure microphones for rejecting wind and ambient noise
07/16/2013US8488777 Microphone coupler system for a communication device
07/10/2013CN103200504A Anti-mechanical shock armature device used for moving-iron receiver/ speaker
07/10/2013CN103200503A Forming method of iron core for movable iron unit
07/09/2013US8483776 Acoustic path for a wireless communications device
07/03/2013EP2609758A1 Miniaturized variable reluctance transducer
07/02/2013US8477982 Noise-vibration microphone stand
07/02/2013US8477980 Vehicle microphone assembly in trim panel
06/2013
06/26/2013CN203027477U Moving iron unit with integrally moulded conductive rod
06/26/2013CN203027471U Integrated vibrating diaphragm and moving iron unit provided with same
06/26/2013CN203027466U Reduction vibrating diaphragm and moving iron unit provided with reduction vibrating diaphragm
06/26/2013CN203027400U Clamping type screening shell and sounding unit with same
06/20/2013US20130156254 Transducer With Variable Compliance
06/18/2013US8467565 Inductive electroacoustic transducer
06/18/2013US8467564 Loudspeaker
06/12/2013CN101877809B Electro-dynamic loudspeaker and ventilation method thereof
06/11/2013US8462977 Loudspeaker with magnetic elements fixedly provided on diaphragm
06/06/2013US20130142370 Microphone for a hearing aid
06/04/2013US8457345 Vibration plate, speaker unit and portable information terminal
05/2013
05/28/2013US8452042 Shallow speaker
05/21/2013US8447057 Packages and methods for packaging MEMS microphone devices
05/21/2013US8443934 Acoustic resistance member and method for making the same
05/15/2013EP2592847A1 Opening type bone conduction earphone
05/15/2013EP2591616A1 Drive pin forming method and assembly for a transducer
05/15/2013EP2591612A1 Earphone assembly
05/15/2013EP2591611A1 Earphone driver and method of manufacture
05/15/2013CN103108273A Armature device of moving iron unit and manufacturing method thereof
05/14/2013US8442256 Boundary microphone and desktop electro-acoustic transducer
05/14/2013US8442255 Boundary microphone
05/14/2013US8442243 Ribbon microphone
05/07/2013US8437490 Ceiling microphone assembly
04/2013
04/30/2013US8433089 Voice input apparatus
04/24/2013CN103067836A Moving-iron unit with integrate conduction rod and preparation method of integrate conduction rod
04/23/2013US8428297 Acoustic transducer
04/23/2013US8428295 Loudspeaker that is axially stabilized out of the diaphragm suspension plane
04/17/2013CN103052005A Thinned vibrating diaphragm, preparation method for thinned vibrating diaphragm, and moving iron unit with thinned vibrating diaphragm
04/17/2013CN103051988A Clamp type shielding shell and sounding unit with shielding shell
04/16/2013US8422728 Electromagnetic converter
04/16/2013US8422727 Electro-acoustical transducer
04/16/2013US8422726 Ironless and leakage free coil transducer motor assembly
04/16/2013US8422713 Spherically housed loudspeaker system
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