| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 08/21/2007 | US7260229 Position sensor for a loudspeaker |
| 08/21/2007 | US7260228 Optimum driver spacing for a line array with a minimum number of radiating elements |
| 08/21/2007 | CA2550502C Audio amplifier |
| 08/16/2007 | WO2007091515A1 Speaker |
| 08/16/2007 | WO2007091513A1 Speaker |
| 08/16/2007 | WO2007075674A3 Linear array transducer and methods of manufacture |
| 08/16/2007 | US20070190881 Woven or knitted fabric, diaphragm for speaker, and speaker |
| 08/16/2007 | US20070189577 Ferrofluid Centered Voice Coil Speaker |
| 08/16/2007 | US20070189576 Evenly elastically deformable damper for speaker |
| 08/16/2007 | US20070189575 Speaker unit |
| 08/16/2007 | US20070189574 Electroacoustic transducing device |
| 08/16/2007 | US20070189573 Speaker and speaker unit |
| 08/16/2007 | US20070189572 Loudspeaker system for acoustic instruments and method therefor |
| 08/16/2007 | US20070189571 Loudspeaker with undulated membrane |
| 08/16/2007 | US20070187172 Multifunction-type vibration actuator and portable communication equipment |
| 08/15/2007 | EP1819194A2 Ferrofluid centered voice coil speaker |
| 08/15/2007 | EP1819193A2 Electroacoustic transducing device |
| 08/15/2007 | CN2935689Y Structure of non-circular double magnet steel magnetic circuit system |
| 08/15/2007 | CN2935688Y Parallel magnetic structure loudspeaker |
| 08/15/2007 | CN2935687Y Sandwich magnetic structure loudspeaker |
| 08/15/2007 | CN101018427A Sound wave phase equalization circuit of mobile-loop speaker |
| 08/15/2007 | CN101018426A A high-frequency air flow loudspeaker for voice broadcast |
| 08/14/2007 | US7256342 Sound pickup device for percussion instrument |
| 08/09/2007 | WO2007088734A1 Speaker device |
| 08/09/2007 | US20070183621 Diaphragm for tweeter |
| 08/09/2007 | US20070183620 Selectable impedance, constant efficiency electromagnetic transducer |
| 08/09/2007 | US20070183619 Speaker |
| 08/09/2007 | US20070183607 Directional listening device |
| 08/09/2007 | DE102006002875A1 Sound transducer e.g. loudspeaker, magnetic system, has outer and inner part volumes made of plastic-bound magnet material, where magnets that are developed in plastic-bound magnetic material are provided with preset polarity in volumes |
| 08/08/2007 | EP1077014B1 FLAT ACOUSTIC PANEL with driver |
| 08/08/2007 | CN101014213A 扬声器单元 Speaker unit |
| 08/08/2007 | CN101014212A 扬声器和扬声器单元 Speaker and speaker unit |
| 08/07/2007 | US7254248 One-magnet rectangular transducer |
| 08/02/2007 | WO2007086315A1 Speaker and electronic apparatus and device using the same |
| 08/02/2007 | US20070177758 Loudspeaker cone including plated fabric |
| 08/02/2007 | US20070177757 Loudspeaker |
| 08/02/2007 | US20070177756 Thermal management system for loudspeaker having internal heat sink and vented top plate |
| 08/02/2007 | US20070177755 Thermal management system for speaker system having vented frame for establishing air passages |
| 08/02/2007 | US20070177752 Microphone apparatus with increased directivity |
| 08/02/2007 | DE202007007993U1 Hochtonlautsprecher Tweeter |
| 08/02/2007 | DE19850664B4 Domlautsprecher und Verfahren zum Herstellen eines Domlautsprechers Domlautsprecher and method for producing a Domlautsprechers |
| 08/01/2007 | EP1813132A2 Acoustic ribbon transducer arrangements |
| 08/01/2007 | CN101007305A Electromagnetic exciter |
| 07/31/2007 | US7251342 Single end planar magnetic speaker |
| 07/31/2007 | US7251340 Suspension for microphones |
| 07/26/2007 | WO2007084653A2 Optical sensing in a directional mems microphone |
| 07/26/2007 | WO2007083903A1 A micro-speaker generating acoustic vibration and sound simultaneously |
| 07/26/2007 | WO2007083607A1 Speaker |
| 07/26/2007 | WO2007083582A1 Speaker |
| 07/26/2007 | US20070172093 Copper foil wire for loudspeaker, and loudspeaker employing the loudspeaker copper foil wire |
| 07/25/2007 | EP1493301B1 Microspeaker and method for assembling a microspeaker |
| 07/25/2007 | CN2927578Y Internal-magnetic high-medium audio-frequency loundspeaker |
| 07/25/2007 | CN101006749A Apparatus and method for increasing magnetic field in an audio device |
| 07/25/2007 | CN101006746A Bone conduction device and tympanum thereof |
| 07/24/2007 | US7248714 Micro-speaker and method for assembling a micro-speaker |
| 07/24/2007 | US7246425 Method of manufacturing a speaker |
| 07/19/2007 | US20070165902 Electrodynamic electroacoustic transducer and electronic device |
| 07/19/2007 | US20070165897 Electronic apparatus |
| 07/19/2007 | US20070165896 Optical sensing in a directional MEMS microphone |
| 07/19/2007 | US20070165887 Plate type speaker using horizontal vibration voice coil |
| 07/19/2007 | US20070165886 Louderspeaker |
| 07/18/2007 | CN2924984Y 扬声器 Speaker |
| 07/18/2007 | CN2924983Y Loudspeaker of voice coil internal wall fixed winding with base layer |
| 07/18/2007 | CN2924982Y Paste-type miniature moving-ring sounding device |
| 07/18/2007 | CN2924981Y 扬声器 Speaker |
| 07/18/2007 | CN1327622C Electronic device |
| 07/18/2007 | CN101002499A 音响系统 Sound System |
| 07/18/2007 | CN100998977A 振动器 Vibrator |
| 07/17/2007 | US7245739 Dome type diaphragm and loudspeaker apparatus |
| 07/17/2007 | US7245738 Electroacoustic transducer with small dimensions |
| 07/17/2007 | US7245734 Directional microphone |
| 07/17/2007 | US7245726 Noise canceling microphone system and method for designing the same |
| 07/17/2007 | US7245049 Vibrator and method for manufacturing the same |
| 07/12/2007 | WO2007079478A2 Portable speaker device and portable audio device player |
| 07/12/2007 | WO2007077854A1 Speaker |
| 07/12/2007 | WO2007051949A3 Electrodynamic transducer and use thereof in loudspeakers and geophones |
| 07/12/2007 | US20070160258 Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same |
| 07/12/2007 | US20070160257 Axial magnet assisted radial magnet air return motor for electromagnetic transducer |
| 07/12/2007 | US20070160256 Coaxial two-way drive unit for horn speakers |
| 07/12/2007 | US20070160246 Spherical loudspeaker for omnipresent sound reproduction |
| 07/12/2007 | US20070160244 Pillow sham incorporating an amplifier and speakers |
| 07/12/2007 | US20070160239 Bone conduction device and tympanum thereof |
| 07/12/2007 | US20070160238 Bone conduction device |
| 07/12/2007 | US20070160233 Loudspeaker |
| 07/10/2007 | US7242787 Electromagnetic driving unit for a loudspeaker assembly |
| 07/10/2007 | US7242089 Miniature silicon condenser microphone |
| 07/10/2007 | CA2436464C Electroacoustic converter |
| 07/05/2007 | WO2007075674A2 Linear array transducer and methods of manufacture |
| 07/05/2007 | WO2007074793A1 Multifunction vibration actuator |
| 07/05/2007 | US20070156762 Automatic digital music library builder |
| 07/05/2007 | US20070154059 Damper structure of preventing irregular vibration for speaker |
| 07/05/2007 | US20070154058 Corrugated damper for speaker |
| 07/05/2007 | US20070154057 Speaker device |
| 07/05/2007 | US20070154056 Loudspeaker with air deflector |
| 07/05/2007 | US20070154041 Integrated entertainment system with audio modules |
| 07/04/2007 | EP1804552A2 Speaker bracket and speaker |
| 07/04/2007 | EP1804551A1 Speaker |
| 07/04/2007 | EP1803322A1 Magnetic circuit having dual magnets, speaker and vibration generating apparatus using the same |
| 07/04/2007 | CN2919759Y Mulriple edge concave bottom basin structure of speaker |
| 07/04/2007 | CN2919715Y Sound controlled communication device |