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)
11/2002
11/05/2002	US6477257 Directional microphone
11/05/2002	US6476710 Electromagnetic sound generator
11/05/2002	US6474440 Diaphragm for speaker and speaker device provided with the same
10/2002
10/30/2002	CN2519575Y Loudspeaker with paper box axial vibration displacement detecting device
10/30/2002	CN2519574Y Loudspeaker with holding function
10/30/2002	CN1377025A Lead wire connecting structure and method and coating materials used in lead wire connection
10/30/2002	CN1093729C Acoustic membrane and large power intermediate-high frequency loudspeaker made therefrom
10/29/2002	US6473515 Cap and center pole apparatus and method of coupling
10/24/2002	WO2002085064A2 Acoustic radiator with a baffle of a diameter at least as large as the opening of the speaker enclosure to which it is mounted
10/24/2002	WO2002084891A1 Wireless microphone
10/24/2002	WO2001049067A3 Loudspeaker having pole piece with vent bores
10/24/2002	US20020153193 Speaker system
10/23/2002	EP1250827A2 Transducer
10/23/2002	EP0868829B1 Magnetic fluid loudspeaker assembly with ported enclosure and method of determining parameters thereof
10/23/2002	CN2518289Y Super-thin alto voice and bass loudspeaker
10/23/2002	CN1376012A Multifunction sound apparatus
10/17/2002	WO2002082857A2 Actuator assembly
10/17/2002	WO2002045462A3 Display systems
10/17/2002	US20020150275 Low profile speaker and system
10/17/2002	US20020150271 Speaker
10/17/2002	US20020148678 Acoustic radiator with a baffle of a diameter at least as large as the opening of the speaker enclosure to which it is mounted
10/17/2002	US20020148677 Sounder, speaker and sound head using the sounder
10/16/2002	EP1040727B1 Moving-coil loudspeaker
10/16/2002	CN2517211Y Support structure for loud-speaker
10/16/2002	CN1092917C Loudspeaking damper
10/15/2002	US6466682 Vibration speaker
10/15/2002	US6466676 Compound driver for acoustical applications
10/10/2002	US20020146145 Audio speaker
10/10/2002	US20020146143 Electro-magnetic audio transducer for surface-mounted devices
10/10/2002	US20020144858 Butterfly damper
10/10/2002	US20020144857 Butterfly damper
10/10/2002	US20020144856 Loudspeaker system with forced air circulation and control circuit therefor
10/09/2002	EP1248495A2 Speaker voice coil bobbin and method of manufacturing same
10/09/2002	EP1248494A2 Cup-shaped loudspeaker armature with magnets from neodymium
10/09/2002	EP1247424A1 Low cost broad range loudspeaker and system
10/09/2002	EP1247422A2 Regressively hinged spider
10/09/2002	CN2515913Y Improved device of wired hands-free telephone receiver
10/09/2002	CN2515912Y 无线耳机 Wireless Headset
10/09/2002	CN2515911Y Connecting structure of voice basin and voice coil for loudspeaker
10/09/2002	CN1373629A 扬声器和扬声器系统 Speaker and speaker system
10/09/2002	CN1373628A Butterfly adjuster
10/09/2002	CN1373627A Butterfly adjuster
10/08/2002	US6463161 Electroacoustic transducer having contact holding means for spring contacts for the electrical connection of the transducer
10/08/2002	CA2265675C Compact horn speaker
10/04/2002	WO2001076320A2 Acoustic transducer for broad-band loudspeakers or headphones
10/04/2002	CA2405436A1 Acoustic transducer for broadband loudspeakers or headphones
10/03/2002	US20020141609 Speaker voice coil bobbin and method of manufacturing same
10/02/2002	EP0843949B1 Electrodynamic loudspeaker and system comprising the loudspeaker
10/02/2002	DE10130909A1 Vibrationslautsprecher mit Doppelmagnet Vibration speaker with double magnet
10/02/2002	CN2514605Y Non-polar Hall electronic horn
10/02/2002	CN2514604Y Optical display loud-speaker
10/02/2002	CN2514603Y Loud-speaker
10/02/2002	CN2514602Y Improved loud-speaker
10/02/2002	CN2514601Y Electroacoustic loud-speaker for gas mask
10/02/2002	CN1372431A Electroacoustic telephone transmitter
09/2002
09/26/2002	US20020134613 Speaker system
09/25/2002	CN2513314Y Heterosound type full audio frequency coaxial lound speaker
09/25/2002	CN2513313Y Moving-coil speaker using combined vibration film
09/19/2002	WO2002074009A1 Electroacoustic converter
09/19/2002	US20020131612 Dual magnetic structure of vibration speaker
09/19/2002	US20020131609 Multifunction acoustic device
09/19/2002	DE10130910A1 Vibrationslautsprecher Vibration speaker
09/19/2002	DE10112544A1 Eingebauter Mikrolautsprecher für kabellose Kommunikationsvorrichtungen Built-in micro speaker for wireless communication devices
09/18/2002	EP1241918A2 Multifunction acoustic device
09/18/2002	EP1241917A2 Spiral damper
09/18/2002	EP1241916A2 Butterfly damper
09/12/2002	WO2002009470A3 Electroacoustic converter
09/12/2002	WO2001065889A3 Movable coil for loudspeakers and microphones
09/12/2002	US20020127976 Built-in micro-speaker for wireless communication device
09/12/2002	US20020125065 Electronic apparatus having resonant panel-form loudspeaker
09/11/2002	CN2511081Y Combined louderspeaker structure
09/11/2002	CN2511080Y Improved pow wave structure
09/11/2002	CN2511079Y Loudspeaker magnet
09/11/2002	CN2511078Y Elastic fiber cloth-body with wire
09/11/2002	CN1369190A Low cost motor structure for rare-earth-magnet loudspeakers
09/11/2002	CN1368835A Technology for manufacturing and installing short-circuiot ring and heat radiator in loudspeaker
09/11/2002	CN1368833A 扬声器系统 Speaker system
09/10/2002	US6449376 Planar-type loudspeaker with at least two diaphragms
09/10/2002	US6449375 Loudspeaker spider with regressive rolls
09/06/2002	WO2002069669A1 Speaker
09/05/2002	US20020122560 Vibration speaker
09/05/2002	US20020122558 Magnetic circuit for an electrodynamic loudspeaker
09/05/2002	US20020121847 Loudspeaker box arrangement and method for the positional adjustment of individual loudspeaker boxes therein
09/05/2002	US20020121403 Low profile audio speaker
09/04/2002	EP1237394A1 Magnetic circuit for electrodynamic loudspeaker
09/04/2002	EP1237393A2 Speaker and speaker system
09/04/2002	CN1367633A Multifunetional audio device
09/03/2002	US6445803 Speaker
08/2002
08/29/2002	WO2002037894A3 Acoustic loudspeaker
08/29/2002	US20020118857 Speaker device
08/29/2002	US20020118856 Planar-magnetic speakers with secondary magnetic structure
08/29/2002	US20020118855 Speaker and speaker system
08/29/2002	US20020118847 Transparent panel-form loudspeaker
08/29/2002	US20020117327 Structure and method of lead wire connection, and clad material for lead wire connection
08/28/2002	EP1235462A1 Speaker device, and method and device for producing the same
08/28/2002	EP1234477A2 Speaker and motor vehicle assembly
08/28/2002	EP1234377A1 Power booster amplifier
08/28/2002	CN2508509Y 电声转换装置 Electro-acoustic conversion means
08/28/2002	CN2508508Y General sequence bus bar portable loudspeaker
08/28/2002	CN1366443A Loudspeaker

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