Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type
Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486)
12/2003
12/10/2003EP1370111A2 Speaker for vehicle
12/10/2003CN2591914Y High pitch loudspeaker
12/10/2003CN2591912Y Internal double-layer mteal ring small loudspeaker
12/10/2003CN2591911Y Voice coil internal vibrating diaphragm earphone
12/10/2003CN1461531A 无线麦克风 Wireless Microphone
12/10/2003CN1461175A Small loundspeaker
12/09/2003US6661903 Loudspeaker
12/09/2003US6661902 Loudspeaker with a front-mounted sealing element and method of manufacturing the same
12/09/2003US6661898 Speaker for an electronic instrument
12/04/2003WO2003101149A1 An audio speaker damper with electrically conductive paths thereon to carry voice coil signals and a method therefore
12/04/2003WO2003101148A1 Speaker with diaphragm reinforcing ring
12/04/2003WO2003101146A1 Bone conductive speaker
12/04/2003CA2487391A1 Bone conductive speaker
12/03/2003EP1367854A1 Electroacoustic converter
12/03/2003EP1366636A2 Planar-magnetic speakers with secondary magnetic structure
12/03/2003EP1159852B1 Electronic apparatus incorporating a loudspeaker comprising a bending wave panel member
12/03/2003CN2590319Y Structure improvement of horn single body
12/03/2003CN2590318Y Loudspeaker with intensified magnetic flux circuit
12/03/2003CN1459991A Loadspeaker with internal DC motor
12/02/2003US6658134 Shock improvement for an electroacoustic transducer
12/02/2003US6658110 Electroacoustic communications unit
12/02/2003US6655495 Loudspeaker damper and loudspeaker
11/2003
11/27/2003WO2003098968A1 Member for electric equipment, member for electroacoustic transducer and method for manufacture thereof
11/27/2003US20030219142 Speaker driver with detachable motor and basket
11/27/2003US20030219140 Speaker with built-in direct current motor
11/27/2003US20030218391 Voice coil linear actuator, apparatus using the actuator, and method for manufacturing the actuator
11/27/2003DE20212672U1 Magnetkern für einen Lautsprecher Magnetic core for a speaker
11/26/2003EP1365627A1 Multifunction acoustic device with direct current motor
11/26/2003EP1365626A2 Speaker
11/26/2003EP1365624A1 Speaker
11/26/2003EP1365498A2 Voice coil linear actuator, apparatus using the actuator, and method for manufacturing the actuator
11/26/2003EP1365421A1 Ceramic insulation coated electric wire, self-fusing ceremic insulation coated electric wire, coating composition, and coil and voice coil for speaker
11/26/2003CN2588715Y Electronic horn for car
11/26/2003CN2588714Y Noise-eliminating earphone
11/26/2003CN1129345C Loundspeaker
11/25/2003US6654476 Low cost broad range loudspeaker and system
11/25/2003US6654475 Electricity-to-sound transducer
11/25/2003US6653934 Electro-magnetic audio transducer for surface-mounted devices
11/25/2003US6652046 Loudspeaker box arrangement and method for the positional adjustment of individual loudspeaker boxes therein
11/20/2003WO2003096744A1 Means at electromagnetic vibrator
11/20/2003US20030215109 Loudspeaker
11/20/2003US20030215108 Air pump speaker
11/19/2003CN1457621A Electroacoustic transducer being acoustical tight in area of its air gap for its moving coil
11/19/2003CN1128563C Magnetic suspension loudspeaker
11/13/2003WO2003094571A2 Electro-dynamic planar loudspeakers
11/12/2003EP1361779A2 Electroaccoustic transducer
11/12/2003CN2586321Y Thin loudspeaker
11/12/2003CN1455622A Loudspeaker
11/12/2003CN1455621A Loudspeaker
11/12/2003CN1455620A Electroacoustic transducer
11/11/2003US6647124 Loudspeaker with coaxial magnetic circuit for high-pitch sound and low-pitch sound
11/11/2003US6647122 Loudspeaker drive unit
11/11/2003US6646507 Power booster amplifier
11/06/2003WO2003092324A1 Loudspeaker with a first and a second diaphragm body
11/06/2003WO2003092323A1 Electromagnetic driving unit for a loudspeaker assembly
11/06/2003US20030206641 Loudspeaker with coaxial magnetic circuit for high-pitch sound and low-pitch sound
11/05/2003EP1359786A2 Speaker apparatus
11/05/2003CN2585504Y Loudspeaker with improved structure of voice coil and vibration diaphragm
11/05/2003CN1454443A 骨传导振动器 Bone conduction vibrator
11/05/2003CN1454028A Manufacture of hand-free unit
11/05/2003CN1127281C Double-cone loudspeaker
11/05/2003CN1127220C Vibration actuator for pager
11/04/2003US6643381 Sound quality improving mechanism for loudspeaker
10/2003
10/30/2003WO2003090495A1 Mattress having sound-to-vibration conversion apparatus
10/30/2003WO2002039781A3 Loudspeaker driver
10/30/2003US20030202676 Composite damper of loudspeaker
10/30/2003US20030202675 Speaker apparatus
10/30/2003US20030202674 Speaker
10/30/2003US20030202673 Electroacoustic transducer
10/29/2003EP1356708A1 Double-dome speaker
10/29/2003CN2583913Y Horn structure with loudspeaker box
10/29/2003CN2583912Y Double magnetoaero loop calling and received telehpone set
10/29/2003CN1126429C Electroacoustic transducer and diaphragm for electroacoustic transducer
10/28/2003US6639995 Concentric magnetic configuration for loudspeakers
10/28/2003US6639994 Loudspeaker having adjustable motor strength
10/28/2003US6639993 Loudspeaker with low distortion and high output power
10/28/2003US6639992 Multifunction acoustic device
10/28/2003US6639991 Electroacoustic transducer
10/23/2003WO2003086120A2 Sports binocular visor assembly and method
10/23/2003US20030200068 Apparatus and method for supporting speaker design, and program therefor
10/23/2003CA2479518A1 Sports binocular visor assembly and method
10/22/2003EP1355511A1 On-vehicle speaker
10/22/2003EP1354496A1 An electroacoustic transducer
10/22/2003EP1016289B1 Taut armature reciprocating impulse transducer
10/22/2003CN2582309Y Hand-free receiver able to eliminate feedback voice and background echo
10/22/2003CN2582308Y Structure improvement for speaker voice coil
10/22/2003CN1450833A Double-voice coil counter-connection coupling moving-coil loudspeaker
10/22/2003CN1450832A Method for making T-iron of loudspeaker
10/22/2003CN1450772A Loudspeaker for electronic instrument
10/22/2003CN1450367A Optical diffusion barrier and relative back light module
10/22/2003CN1125154C Synthetic chloroprene rubber adhesive compsn. and process for producing speaker by using same
10/21/2003US6636612 Speaker for use in confined spaces
10/21/2003US6636611 Combined receiver and speaker
10/16/2003WO2003086010A1 Microspeaker and method for assembling a microspeaker
10/16/2003US20030194107 Audio speaker and method for assembling an audio speaker
10/16/2003US20030194106 Micro-speaker and method for assembling a micro-speaker
10/16/2003US20030194105 Speaker for an electronic instrument
10/16/2003US20030194104 Ultra low frequency transducer and loud speaker comprising same
10/15/2003EP1353532A2 Apparatus and method for supporting speaker manufacturing, and program therefor
10/15/2003CN1449220A Loudspeaker design support device and loudspeaker design support method
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