| Patents for H04R 11 - Transducers of moving-armature or moving-core type (1,828) |
|---|
| 05/11/2011 | CN101340738B Super large power electromagnetic suction push-pull driving sound source |
| 05/10/2011 | US7940953 Magnetic membrane suspension |
| 05/10/2011 | US7940952 Electro-acoustic transducer |
| 05/10/2011 | US7940950 Electromagnetically-shielded speaker systems and methods |
| 05/05/2011 | US20110103633 Capacitor microphone unit and capacitor microphone |
| 05/05/2011 | US20110103622 Support Apparatus for Microphone Diaphragm |
| 05/05/2011 | US20110103577 Session initiation protocol(sip)-based microphone |
| 05/03/2011 | US7936896 Speaker apparatus |
| 04/28/2011 | US20110096937 Microphone apparatus and sound processing method |
| 04/19/2011 | US7929726 Planar diaphragm acoustic loudspeaker |
| 04/14/2011 | US20110085683 Fully differential low-noise capacitor microphone circuit |
| 04/13/2011 | CN1685760B Drive mechanism |
| 04/12/2011 | US7925041 Method of making a linkage assembly for a transducer and the like |
| 04/12/2011 | US7921540 System of component s usable in the manufacture of an acoustic transducer |
| 04/07/2011 | DE202007016080U1 Dynamischer Lautsprecher Dynamic speaker |
| 03/31/2011 | US20110075881 Diaphragm and loudspeaker using the same |
| 03/31/2011 | US20110075876 Compact wireless microphone |
| 03/31/2011 | US20110075866 Microphone with Backplate Having Specially Shaped Through-Holes |
| 03/31/2011 | US20110075865 Dual Single-Crystal Backplate Microphone System and Method Of Fabricating Same |
| 03/29/2011 | US7916879 Electrostatic acoustic transducer based on rolling contact micro actuator |
| 03/22/2011 | US7912242 Speaker apparatus and terminal member |
| 03/22/2011 | US7912240 Dual diaphragm electroacoustic transducer |
| 03/17/2011 | US20110064260 Insert molded suspension member with mechanical support |
| 03/16/2011 | CN1663322B Electro-dynamic planar loudspeakers |
| 03/15/2011 | USRE42218 Underwater alert system |
| 03/15/2011 | US7907742 Exciter for directly vibrating board and speaker apparatus used the same |
| 03/08/2011 | US7903837 Magnetic circuit for speaker device and speaker device |
| 03/03/2011 | WO2010132425A3 Low axial vibration receiver armature and assembly |
| 03/03/2011 | US20110051972 Arrangement for mounting a microphone to an interior surface of a vehicle |
| 03/02/2011 | CN101982985A Electric loudspeaker and constructing method thereof |
| 02/24/2011 | US20110044490 Edge for Speaker |
| 02/22/2011 | US7894623 Loudspeaker having an interlocking magnet structure |
| 02/17/2011 | US20110038502 Electret Capacitor Microphone with One-Piece Vocal Cavity Component |
| 02/17/2011 | US20110038497 Microphone Devices and Methods for Tuning Microphone Devices |
| 02/17/2011 | US20110038493 Structure with an integrated circuit and a silicon condenser microphone mounted on a single substrate and method for manufacturing the same |
| 02/17/2011 | US20110038492 Optical sensing in a directional mems microphone |
| 02/17/2011 | DE202007016032U1 Dynamischer Lautsprecher Dynamic speaker |
| 02/16/2011 | CN101977341A Electro-dynamic loudspeaker, assembling method thereof, and method for forming conductor or electrical contact |
| 02/16/2011 | CN101977340A Electro-dynamic planar loudspeaker |
| 02/10/2011 | US20110033077 Magnet system and method of manufacturing the same |
| 02/03/2011 | WO2011013294A1 Moving-magnet loudspeaker and method for manufacturing same |
| 02/03/2011 | US20110026759 Ring shaped membrane for an electro-acoustical loudspeaker |
| 02/03/2011 | US20110026753 Microphone apparatus with increased directivity |
| 02/03/2011 | US20110026742 Method of fabricating integrated semiconductor device and structure thereof |
| 02/03/2011 | US20110026739 High level capable audio amplification circuit |
| 02/02/2011 | CN101964930A Boundary microphone |
| 02/02/2011 | CN101964929A Boundary microphone |
| 02/01/2011 | US7881484 Capacitor microphone |
| 01/27/2011 | US20110019867 Electro-acoustic transducer with multi-faced diaphragm assembly |
| 01/27/2011 | US20110019858 Method and apparatus to enhance communication in the operating room |
| 01/27/2011 | US20110019857 Boundary microphone |
| 01/27/2011 | US20110019856 Boundary microphone |
| 01/20/2011 | US20110013799 Waterproof microphone |
| 01/20/2011 | US20110013787 Mems microphone package and mehtod for making same |
| 01/13/2011 | WO2010114981A3 Receiver assemblies |
| 01/13/2011 | US20110007924 Microphone |
| 01/13/2011 | US20110007891 Microphone assembly |
| 01/13/2011 | US20110007607 Geophone having improved sensitivity |
| 01/12/2011 | CN201708921U Moving-core-type audio-frequency transducer |
| 01/05/2011 | EP2271131A2 Acoustic transducer having reduced thickness |
| 01/04/2011 | US7864977 Voice coil assembly and loudspeaker using the same |
| 12/30/2010 | US20100329487 Preamplifier circuit for a microelectromechanical capacitive acoustic transducer |
| 12/23/2010 | US20100322460 Magnetic circuit and audio equipment |
| 12/23/2010 | US20100322450 Boundary microphone |
| 12/23/2010 | US20100322447 Microphone assembly comprising magnetically activatable element for signal switching and field indication |
| 12/23/2010 | US20100322372 Reference structures and reference structure enhanced tomography |
| 12/16/2010 | US20100316242 Digital speaker apparatus |
| 12/15/2010 | CN201674660U T iron structure driving treble |
| 12/15/2010 | CN101919270A Method and system of a linkage assembly for use in an electroacoustic transducer |
| 12/14/2010 | US7849958 Vibration system part for speaker device and manufacturing method thereof |
| 12/09/2010 | US20100310111 Loudspeaker having an interlocking magnet structure |
| 12/07/2010 | US7848537 Voice coil bobbin, manufacturing method thereof and speaker device |
| 12/02/2010 | US20100304796 Magnetic Shield |
| 12/02/2010 | DE112008003329T5 Verfahren und System eines Verbindungsaufbaus zur Verwendung in einem elektroakustischen Transducer The method and system of a connection setup for use in an electro-acoustic transducer |
| 11/30/2010 | US7844069 Microphone mounting system for acoustic stringed instruments |
| 11/25/2010 | US20100296691 Electromechanical vibration converter for tactile acoustic apparatus |
| 11/18/2010 | WO2010132425A2 Low axial vibration receiver armature and assembly |
| 11/18/2010 | US20100290661 Transducer package with interior support frame |
| 11/18/2010 | US20100290644 Silicon based capacitive microphone |
| 11/17/2010 | CN201639769U Digital electronic horn |
| 11/17/2010 | CN1875657B Sound generating transducer |
| 11/11/2010 | US20100284560 Audio transducer |
| 11/03/2010 | CN101877809A Electro-dynamic loudspeaker and ventilation method thereof |
| 10/26/2010 | US7822222 Loudspeaker and method of manufacturing the same |
| 10/21/2010 | US20100266145 Apparatus, methods and computer programs for converting sound waves to electrical signals |
| 10/19/2010 | US7817815 Armature for a receiver |
| 10/07/2010 | WO2010114981A2 Receiver assemblies |
| 10/06/2010 | EP1169886B2 Microphone for a hearing aid |
| 09/30/2010 | WO2010075035A3 A vehicular microphone system and method for post processing optimization of a microphone signal |
| 09/30/2010 | US20100246333 Permanent seismic source |
| 09/29/2010 | CN201594914U Modified spider |
| 09/28/2010 | US7804976 Radiant cooler for loudspeakers |
| 09/21/2010 | US7801316 Capacitor microphone |
| 09/14/2010 | US7795063 Micro-electro-mechanical systems (MEMS) device and process for fabricating the same |
| 09/09/2010 | US20100226522 Microphone Unit |
| 09/07/2010 | US7792320 Loudspeaker with field replaceable parts and method of assembly |
| 09/07/2010 | US7792319 Flat panel speaker, electronic device having same, and structure and method ford mounting same |
| 09/07/2010 | US7792317 Flat panel display with detachable anti-vibrate speaker |
| 09/02/2010 | US20100220889 Acoustic transducer |
| 09/01/2010 | CN101822073A PCB with embedded speaker assembly |