| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 02/12/2004 | WO2003094571A3 Electro-dynamic planar loudspeakers |
| 02/12/2004 | WO2003086120A3 Sports binocular visor assembly and method |
| 02/12/2004 | US20040026585 Electro-dynamic loudspeaker mounting system |
| 02/12/2004 | DE10232644A1 Polplatte für einen Magnetbetrieb eines Lautsprechers Pole of a magnet operation of a speaker |
| 02/12/2004 | DE10232643A1 Actuating structure for a loudspeaker has an arrangement of magnets with an actuating magnet, a pole core and a pole shank as well as an air gap |
| 02/11/2004 | EP1389032A2 Receiver unit |
| 02/11/2004 | EP1389031A2 Omnidirectional backload horn - type speaker |
| 02/11/2004 | CN1475093A Electroacoustic transducer having contact holding means for spring contacts for electrical connection of transducer |
| 02/11/2004 | CN1138446C Electricity-sound transducer lead-wire terminal connection structure |
| 02/10/2004 | US6690809 Microspeaker |
| 02/05/2004 | WO2004012478A1 One-magnet rectangular transducer |
| 02/05/2004 | WO2004012068A1 Mobile handset and assembly having multi-loudspeaker system |
| 02/05/2004 | US20040022619 Method and device for picking up stacks of blanks |
| 02/05/2004 | US20040022410 Planar speaker wiring layout |
| 02/05/2004 | US20040022409 Film attaching system |
| 02/05/2004 | US20040022408 Frame structure |
| 02/05/2004 | US20040022407 Film tensioning system |
| 02/05/2004 | US20040022406 Magnet arrangement for loudspeaker |
| 02/05/2004 | US20040020711 Omnidirectional backload horn-type speaker |
| 02/05/2004 | DE10334062A1 Electroacoustic transducer e.g. telephone loudspeaker, has grooves formed in ring-shaped frame supporting membrane for providing sound outlet openings |
| 01/29/2004 | WO2004010731A1 Voice coil of speaker |
| 01/29/2004 | WO2004010728A2 Pole plate for a magnetic drive in a loudspeaker |
| 01/29/2004 | US20040017919 Receiver unit |
| 01/29/2004 | DE19942883B4 Bändchenlautsprecher Ribbon speaker |
| 01/28/2004 | EP1385262A1 Mobile terminal with electromagnetic actuator |
| 01/22/2004 | WO2004007097A1 Acoustic-signal emitting device for vehicles |
| 01/22/2004 | US20040013283 Repairable electromagnetic linear motor for loudspeakers and the like |
| 01/22/2004 | US20040013282 Electromagnetic linear motor for loudspeakers and the like |
| 01/22/2004 | CA2488603A1 Acoustic-signal emitting device for vehicles |
| 01/21/2004 | EP1382221A2 Loudspeaker driver |
| 01/21/2004 | CN1469683A Hand-free earphone for mobile phone and external blue-tooth module |
| 01/21/2004 | CN1135902C Dome Loudspeaker and producing method thereof |
| 01/20/2004 | US6681027 Magnetic core for speaker |
| 01/20/2004 | US6681026 Rectangular transducer for panel-form loudspeaker |
| 01/20/2004 | US6681025 Electromechanical and electroacoustic transducer |
| 01/15/2004 | WO2004006620A1 Electroacoustic transducer |
| 01/15/2004 | US20040009716 Electrical connectors for electro-dynamic loudspeakers |
| 01/15/2004 | US20040008863 Frequency response enhancements for electro-dynamic loudspeakers |
| 01/15/2004 | US20040008862 Conductors for electro-dynamic loudspeakers |
| 01/15/2004 | US20040008861 Magnetic core for speaker |
| 01/15/2004 | US20040008860 Speaker spider with integral lead wire arrangement and manufacturing method thereof |
| 01/15/2004 | US20040008859 Loudspeaker having double symmetric magnet-circuits, double voice coils and double dampers |
| 01/15/2004 | US20040008858 Acoustically enhanced electro-dynamic loudspeakers |
| 01/15/2004 | US20040008857 Dipole radiating dynamic speaker |
| 01/15/2004 | US20040008101 Speaker assembly |
| 01/15/2004 | DE20315185U1 Two way loud speaker system with magnetic loop and an additional hanger to protect the loop and simplify assembly |
| 01/14/2004 | EP1381253A1 Magnetic system for a moving coil loudspeaker |
| 01/14/2004 | EP1381252A1 Multi-ferrite magnetic system for loudspeaker |
| 01/14/2004 | CN1468028A Speaker for vehicle |
| 01/14/2004 | CN1468027A Ceramic insulating electrical wire, compositioníócoil for coating and sound coil for loudspeaker |
| 01/14/2004 | CN1135058C Acoustic device according to bending wave principle and driving method thereof |
| 01/13/2004 | US6678387 Loudspeaker having cooling system |
| 01/13/2004 | US6678384 Speaker structure |
| 01/13/2004 | US6675931 Low profile audio speaker |
| 01/08/2004 | US20040005075 Internal magnetic circuit and loudspeaker system incorporating the same |
| 01/08/2004 | US20040005074 Hi-fi tweeter |
| 01/08/2004 | DE20317355U1 Lautsprecher Speaker |
| 01/07/2004 | CN2598290Y Band-type high frequency loadspeaker |
| 01/06/2004 | US6674872 Speaker |
| 01/06/2004 | US6674871 Positioning device for diaphragm for speakers |
| 01/06/2004 | US6674197 Electromagnetic sound generator |
| 01/06/2004 | US6672423 Speaker and method of assembling the speaker |
| 01/06/2004 | US6671952 Method of lead wire connection |
| 01/02/2004 | EP1377117A1 Internal magnetic circuit and loudspeaker system incorporating the same |
| 01/02/2004 | EP1377115A2 Loudspeaker diaphragm |
| 01/02/2004 | EP1374630A2 Electroacoustic transducer having spring contacts |
| 01/01/2004 | US20040001603 Audio speaker damper with electrically conductive paths thereon to carry voice coil signals and a method therefore |
| 12/31/2003 | WO2003065760A3 Low profile audio speaker |
| 12/31/2003 | CN2596706Y Triangular radius magnetic circuit electric loudspeaker |
| 12/31/2003 | CN2596704Y Imbedded thin speaker |
| 12/31/2003 | CN1465207A Speaker and method of manufacturing the speaker |
| 12/30/2003 | US6671385 Speaker and magnetic circuit used for the speaker |
| 12/30/2003 | US6671383 Electromagnetic transducer and portable communication device |
| 12/30/2003 | US6670686 Integrated sound transmitter and receiver, and corresponding method for making same |
| 12/24/2003 | WO2003107718A1 Audio speaker and method for assembling an audio speaker |
| 12/24/2003 | WO2003032505A3 Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil |
| 12/24/2003 | CN2595119Y 扬声器结构 Speaker structure |
| 12/24/2003 | CN2595118Y Horn-type total audio frequency coaxial loudspeaker |
| 12/24/2003 | CN2595117Y Dual-drive loudspeaker |
| 12/24/2003 | CN1463565A 扬声器 Speaker |
| 12/24/2003 | CN1463207A Viberation actuator device |
| 12/24/2003 | CN1463168A Zero level separating radiation of homologous cones of high frequency speaker |
| 12/24/2003 | CN1132144C 小型喇叭式扬声器 Small horn speakers |
| 12/23/2003 | US6668066 Electroacoustic transducer with small dimensions |
| 12/23/2003 | US6668065 Bone-conduction transducer and bone-conduction speaker headset therewith |
| 12/18/2003 | WO2003105526A1 Method for producing repulsion magnetic circuit and its production system |
| 12/17/2003 | EP1372354A2 Low frequency loudspeaker |
| 12/17/2003 | CN2593507Y Miniature moving coil acoustic device magnetic circuit and voice coil apparatus |
| 12/17/2003 | CN2593506Y Fixing disk capable of connecting and fixing loudspeaker voice coil and drum paper |
| 12/17/2003 | CN1462566A 扬声器驱动器 Speaker Driver |
| 12/17/2003 | CN1462565A Loudspeaker |
| 12/17/2003 | CN1462503A Mobile terminating machine with electromagnetic actuator |
| 12/16/2003 | US6665416 Speaker with built-in direct current motor |
| 12/16/2003 | US6665415 Loudspeaker overcurrent protection |
| 12/16/2003 | US6665414 Speaker system and cooling device therefor |
| 12/11/2003 | US20030228029 Single end planar magnetic speaker |
| 12/11/2003 | US20030228022 Speaker for vehicle |
| 12/11/2003 | US20030228021 Acoustic-signal emitting device for vehicles |
| 12/11/2003 | US20030227225 Vibrating actuator device |
| 12/10/2003 | EP1370113A1 Magnetic circuit for loudspeaker and loudspeaker comprising it |