| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 05/26/2009 | US7537964 Method of fabricating a miniature silicon condenser microphone |
| 05/22/2009 | WO2009064833A1 Multiple magnet loudspeaker |
| 05/22/2009 | WO2009063568A1 Speaker device |
| 05/22/2009 | WO2009063567A1 Speaker device |
| 05/22/2009 | WO2009063557A1 Speaker device |
| 05/21/2009 | US20090129613 Acoustic device |
| 05/20/2009 | CN101438601A Dome loudspeaker |
| 05/20/2009 | CN101437186A Dual coil, dual-magnetic-field vibration loudspeaker and application thereof of mobile phone |
| 05/20/2009 | CN100490560C Electroacoustic transducer having contact holding means for spring contacts for electrical connection of transducer |
| 05/20/2009 | CN100489495C Photoacoustic gas sensitive element and a method for its production |
| 05/13/2009 | CN201238378Y Magnetic circuit composed by non-closed magnetic cover |
| 05/13/2009 | CN201238377Y Loudspeaker of flat plate loudspeaker box |
| 05/13/2009 | CN201238376Y Miniature sounding device |
| 05/13/2009 | CN201238375Y Miniature sounder |
| 05/13/2009 | CN201238374Y Novel miniature sounding device |
| 05/13/2009 | CN101431711A Ribbon microphone and ribbon microphone unit |
| 05/12/2009 | US7532737 Loudspeakers, systems, and components thereof |
| 05/12/2009 | US7532736 Speaker |
| 05/07/2009 | WO2009057877A1 Sound vibrator of tuning fork type |
| 05/07/2009 | US20090116680 Loudspeaker |
| 05/07/2009 | US20090116674 Microphone |
| 05/07/2009 | DE102007014579B4 Mikrofon Microphone |
| 05/06/2009 | EP2056623A2 Speaker and method of manufacturing the same |
| 05/06/2009 | CN201234341Y Belt type high frequency loudspeaker |
| 05/06/2009 | CN201234340Y Loudspeaker with multiple voice coil and loudspeaker apparatus |
| 05/06/2009 | CN201234339Y Loudspeaker of dual magnetic circuit construction |
| 05/06/2009 | CN201234338Y Micro moving coil type electro-acoustic converter vibration system |
| 05/06/2009 | CN201234337Y Electric connecting device for micro loudspeaker |
| 05/06/2009 | CN201234336Y Receiver unit |
| 05/06/2009 | CN201234334Y 耳机 Headphone |
| 05/06/2009 | CN101427590A Acoustic exciter and speaker using it |
| 05/06/2009 | CN101427305A Active noise reduction system |
| 05/06/2009 | CN101426162A Electroacoustic transducer |
| 05/06/2009 | CN101426161A Electroacoustic transducer |
| 05/06/2009 | CN101426160A Novel static gag bit and assembly method thereof |
| 05/05/2009 | US7529381 Multifunction-type vibration actuator and portable communication equipment |
| 05/05/2009 | US7529380 Multifunction-type vibration actuator and mobile terminal device |
| 05/05/2009 | US7528509 Multifunction-type vibration actuator and mobile terminal device |
| 05/05/2009 | US7527516 Portable electronic device |
| 04/30/2009 | WO2009054118A1 Electromagnetic converter |
| 04/30/2009 | US20090110225 Method and apparatus for sound source localization using microphones |
| 04/29/2009 | CN201230371Y Large power amplitude limiting vibration loudspeaker |
| 04/29/2009 | CN201230370Y Novel vibration loudspeaker for vibration magnetic circuit |
| 04/29/2009 | CN101422050A Hybrid actuator, loudspeaker and sound output method |
| 04/29/2009 | CN100484260C Loudspeaker having acoustic panel and electrical driver |
| 04/23/2009 | WO2009050909A1 Recoilless speaker unit |
| 04/23/2009 | WO2009023703A3 Auto bias microphone system for use with multiple loads and method of forming same |
| 04/23/2009 | DE202007017961U1 Magnetantriebsvorrichtung für einen Schallwandler bzw. Lautsprecher-Anordnung mit mindestens einer AMT-Lautsprecher-Einheit Magnetic drive device for a transducer or speaker structure with at least one AMT speaker unit |
| 04/22/2009 | EP2050304A1 Improvements to systems for acoustic diffusion |
| 04/22/2009 | EP1247424A4 Low cost broad range loudspeaker and system |
| 04/22/2009 | CN201226595Y Moving magnetic type bone conduction audio transducer |
| 04/22/2009 | CN101415136A High efficient miniature electro-acoustic transducer with reduced dimensions |
| 04/16/2009 | WO2009047455A2 Magnetic structure for the iron-free motor of electrodynamic loudspeaker, motors and loudspeakers |
| 04/16/2009 | WO2008079467A3 Microphone array with electromagnetic interference shielding means |
| 04/16/2009 | US20090097693 Planar-magnetic speakers with secondary magnetic structure |
| 04/16/2009 | US20090097687 Diaphragm for a Condenser Microphone |
| 04/16/2009 | US20090094817 Directional Microphone Assembly |
| 04/16/2009 | CA2700031A1 Structure magnetique pour moteur sans fer de haut-parleur electrodynamique, moteurs et haut-parleurs |
| 04/15/2009 | CN201222797Y Horn with earphone function |
| 04/15/2009 | CN100479532C A low-inductance electromagnetic driver for non-exciting magnetic circuit |
| 04/14/2009 | US7519195 Sound system for industrial tool chests |
| 04/14/2009 | US7519191 Loudspeaker, manufacturing method thereof, and mobile telephone using the same |
| 04/09/2009 | WO2006063014A3 Acoustic wave generating apparatus and method |
| 04/09/2009 | US20090094663 Portable music player and transmitter |
| 04/09/2009 | US20090093899 Portable music player and transmitter |
| 04/09/2009 | US20090092273 Silicon microphone with enhanced impact proof structure using bonding wires |
| 04/09/2009 | US20090090453 Speaker diaphragms, manufacturing methods of the same, and dynamic speakers |
| 04/09/2009 | DE10322692B4 Membran für elektroakustische Wandler, elektroakustischer Wandler und Lautsprecher Membrane for electroacoustic transducers, electro-acoustic transducer and speakers |
| 04/08/2009 | CN101404785A Miniature voice coil with integrated coupling coil |
| 04/07/2009 | US7515729 Speaker device |
| 04/07/2009 | US7515728 Speaker apparatus |
| 04/07/2009 | US7515727 Speaker device and method of manufacturing the speaker device |
| 04/07/2009 | US7515723 Electro-acoustic converter with demountable diaphragm and voice coil assembly |
| 04/02/2009 | WO2009040898A1 Support member for speaker vibrator and speaker device |
| 04/02/2009 | WO2009039648A1 Acoustic transducer |
| 04/01/2009 | EP2041999A1 Multi-function micro speaker |
| 04/01/2009 | EP2041998A1 Speaker |
| 04/01/2009 | EP2041995A1 Miniature electro-acoustic transducer with integrated coupling coil |
| 04/01/2009 | CN201216017Y Thin type loudspeaker without magnetic conductive yoke |
| 04/01/2009 | CN201216016Y Loudspeaker having reverse magnetic circuit structure |
| 04/01/2009 | CN201215970Y Bone conducting microphone |
| 04/01/2009 | CN101401453A Speaker and electronic equipment utilizing the same |
| 04/01/2009 | CN101401448A Sound generating apparatus |
| 04/01/2009 | CN100474942C Transducer |
| 04/01/2009 | CN100474941C Compound driver for acoustical applications |
| 04/01/2009 | CN100474940C Electroacoustic transducer and manufacturing method thereof |
| 03/31/2009 | US7510047 Speaker edge and resonator panel assembly |
| 03/31/2009 | CA2441420C Double-dome speaker |
| 03/26/2009 | WO2009038246A1 Ultra slim type acoustic transducer |
| 03/25/2009 | EP2039213A1 High frequency diaphragm and voice coil assembly |
| 03/25/2009 | EP1366636A4 Planar-magnetic speakers with secondary magnetic structure |
| 03/25/2009 | EP1269793A4 Single end planar magnetic speaker |
| 03/25/2009 | CN201213315Y Belt type high frequency loudspeaker |
| 03/25/2009 | CN201213314Y Electric loudspeaker and diaphragm thereof |
| 03/25/2009 | CN201213307Y Dust preventing horn |
| 03/25/2009 | CN101395961A Plant for production of paper-made part for speaker, paper-made part for speaker produced thereby, and speaker utilizing the same |
| 03/25/2009 | CN101395958A Method of detecting and deterring microphone sabotage |
| 03/24/2009 | US7508953 Loudspeaker and components for use in construction thereof |
| 03/19/2009 | WO2009036124A2 Pcb with embedded speaker assembly |
| 03/19/2009 | WO2009034920A1 Stopper structure of multi-functional vibration actuator |