| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 03/19/2009 | WO2009034627A1 Magnetic circuit for speaker, speaker device, and manufacturing method of the magnetic circuit for speaker |
| 03/19/2009 | US20090074228 Loudspeaker cone body |
| 03/19/2009 | US20090074227 Crimping tinsel leads |
| 03/19/2009 | US20090074226 Pcb with embedded speaker assembly |
| 03/18/2009 | CN201210732Y Waterproof loudspeaker and waterproof electronic product using the loudspeaker |
| 03/18/2009 | CN101389152A Automobile electronic loudspeaker and manufacturing method thereof |
| 03/17/2009 | US7505603 Dynamic micro speaker with dual suspension |
| 03/12/2009 | DE112008000003T5 Lautsprecher Speaker |
| 03/11/2009 | EP2033482A1 Speaker |
| 03/11/2009 | CN101385389A Linear array transducer and methods of manufacture |
| 03/11/2009 | CN101385388A Damper for speaker and speaker using the damper |
| 03/11/2009 | CN101384100A Low frequency loudspeaker |
| 03/11/2009 | CN101384099A Plastic electronic loudspeaker |
| 03/10/2009 | US7502487 Speaker device |
| 03/10/2009 | US7502486 Plane speaker having coil plate guide device |
| 03/10/2009 | US7502485 Loudspeaker, loudspeaker module, and electronic equipment using the loudspeaker module |
| 03/10/2009 | US7502483 Hearing aid, training device, game device, and audio output device |
| 03/10/2009 | US7501834 Voice coil actuator with embedded capacitive sensor for motion, position and/or acceleration detection |
| 03/05/2009 | WO2009028132A1 Speaker |
| 03/05/2009 | WO2009027073A1 Oscillating coil for dynamic acoustic converters |
| 03/05/2009 | WO2009026994A1 Broadband exciter |
| 03/05/2009 | US20090060254 Speaker and electronic apparatus and device using the same |
| 03/05/2009 | US20090060253 Voice coil and speaker |
| 03/05/2009 | US20090060252 Loudspeaker |
| 03/05/2009 | US20090060251 Loudspeaker diaphragm and loudspeaker using the same |
| 03/05/2009 | DE102007040617A1 Schwingspule für dynamische Schallwandler Voice coil for dynamic transducers |
| 03/04/2009 | CN201204692Y Integration system for multifunctional sound generator |
| 03/04/2009 | CN201204691Y Microtype phonating device |
| 03/04/2009 | CN201204690Y Electromagnetic buzzer |
| 03/04/2009 | CN201204689Y Magnetic circuit structure for loudspeaker |
| 03/04/2009 | CN101378604A Voice coil and speaker |
| 03/03/2009 | US7499563 Speaker device |
| 03/03/2009 | US7499555 Personal communication method and apparatus with acoustic stray field cancellation |
| 03/03/2009 | US7497003 Apparatus and method for supporting speaker design, and program therefor |
| 02/26/2009 | WO2009025670A1 An eloctronic device with an internal microphone array |
| 02/26/2009 | US20090052725 Loudspeaker |
| 02/26/2009 | US20090052724 Loudspeaker |
| 02/26/2009 | US20090052714 High noise immunity emergency resonder communication system |
| 02/26/2009 | DE102007048001A1 Lautsprecher eines Kopfhörers mit ESD-Schutz Speaker headphones with ESD protection |
| 02/26/2009 | DE102007040062A1 Breitband-Exciter High-Exciter |
| 02/25/2009 | EP2028876A1 Loudspeaker spider |
| 02/25/2009 | CN201199732Y Horn structure |
| 02/25/2009 | CN101375632A Speaker |
| 02/25/2009 | CN101374371A Improved vibrating system for flat-plate loudspeaker |
| 02/25/2009 | CN101374370A Directly-drive ball top type loudspeaker |
| 02/24/2009 | US7493899 Microphone adaptor for a respirator |
| 02/19/2009 | WO2009023703A2 Auto bias microphone system for use with multiple loads and method of forming same |
| 02/19/2009 | WO2009022085A1 Electrodynamic transducer, in particular of the loudspeaker type with ferrofluid suspension and related devices |
| 02/19/2009 | DE202007013249U1 Lautsprechermagnet Speaker Magnet |
| 02/18/2009 | EP2026600A1 Loudspeaker |
| 02/18/2009 | EP2026326A1 Active noise reduction system |
| 02/18/2009 | EP2025199A2 Motion transducer |
| 02/18/2009 | EP2025198A1 Dome loudspeaker |
| 02/18/2009 | EP2025196A1 Apparatus and methods for generating pressure waves |
| 02/18/2009 | EP1736027A4 Optimum driver spacing for a line array with a minimum number of radiating elements |
| 02/18/2009 | CN201197185Y Novel loudspeaker |
| 02/18/2009 | CN101371615A Speaker and electronic apparatus and device using the same |
| 02/18/2009 | CN101370324A Large dynamic even force driving bar-shaped plate loudspeaker |
| 02/17/2009 | US7493180 Method for RIAA correction of audio signal with use of transformer and capacitor |
| 02/12/2009 | WO2009018750A1 A generator for producing infrasound wave |
| 02/12/2009 | WO2008143466A4 Plate combining structure for audio appliance having closed flux and combining method thereof |
| 02/12/2009 | US20090044285 Method and system for managing rights for digital music |
| 02/12/2009 | US20090043412 Method and system for managing rights for digital music |
| 02/12/2009 | US20090041291 Speaker diaphragm and electrodynamic loudspeaker using the same |
| 02/12/2009 | US20090041282 Porting |
| 02/12/2009 | CA2695310A1 Electronic component with three associated functions |
| 02/11/2009 | EP2023660A1 Hybrid actuator, loudspeaker and sound output method |
| 02/11/2009 | EP2023657A2 Speaker and speaker apparatus |
| 02/11/2009 | EP2023656A1 Acoustic exciter and speaker using it |
| 02/11/2009 | EP2023655A1 Speaker device |
| 02/11/2009 | EP2023649A1 Packaging structure for electromechanical acoustic transducer |
| 02/11/2009 | CN201194430Y Planar loudspeaker |
| 02/11/2009 | CN101365265A Transducer manufacturing method and transducer obtained by the method |
| 02/11/2009 | CN101365256A Linear vibrator device |
| 02/11/2009 | CN101365255A Loudspeaker |
| 02/10/2009 | US7489793 Implantable microphone with shaped chamber |
| 02/05/2009 | WO2009016743A1 Speaker apparatus |
| 02/05/2009 | WO2009015554A1 A loudspeaker which has a transparent diaphragm and big voice coil. |
| 02/05/2009 | US20090034780 Diaphragm for full range boxless rotary loudspeaker driver |
| 02/05/2009 | US20090034772 Sound image localization apparatus |
| 02/05/2009 | US20090034751 Electro-acoustical transducer |
| 02/05/2009 | DE102007036050A1 Cage structure for electro-dynamic cone loudspeaker, has open celled metal foam shaped bodies enclosed over larger area for movable elements, where one body is provided on front side of metal foam blocks with respect to fastening ring |
| 02/04/2009 | CN201191916Y Flat-plate loudspeaker having double folding ring on diaphragm |
| 02/04/2009 | CN201191495Y Traffic prompt device having speaker corner |
| 02/04/2009 | CN101361402A Composite speaker and its manufacturing method |
| 02/04/2009 | CN100459685C Information processing apparatus, imaging apparatus and information processing method |
| 02/04/2009 | CN100457294C Electromagnetic actuator |
| 02/03/2009 | CA2553720C Plane speaker having coil plate guide device |
| 01/29/2009 | WO2009013868A1 Speaker and electronic apparatus using the same |
| 01/29/2009 | WO2009013852A1 Assembling method of speaker and electronic apparatus employing that speaker |
| 01/29/2009 | WO2009013851A1 Speaker and electronic apparatus employing the same |
| 01/29/2009 | WO2006134586A3 Shielded communication transducer |
| 01/29/2009 | US20090028376 Diaphragm for loudspeaker and loudspeaker |
| 01/29/2009 | US20090028375 Electrodynamic transducer and use thereof in loudspeakers and geophones |
| 01/29/2009 | US20090028374 Speaker and speaker apparatus |
| 01/29/2009 | US20090028373 Plant for production of paper-made part for speaker, paper-made part for speaker produced thereby, and speaker utilizing the same |
| 01/29/2009 | DE102007034161A1 Sound reproducing and recording method for e.g. emergency telephone at highway, involves partially executing sound reproduction and/or sound recording for exchange of acoustic information by impact sound of emergency call equipment |
| 01/29/2009 | DE102007003166B4 Lautsprecher, Lautsprechersystem sowie Verfahren zur Erzeugung von akustischen Schwingungen Speaker, speaker system and method for generating oscillations |
| 01/28/2009 | EP1374630B1 Electroacoustic transducer having spring contacts |
| 01/28/2009 | CN201188688Y Novel loudspeaker |