Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486)
12/1996
12/31/1996US5590210 Loudspeaker structure and method of assembling loudspeaker
12/25/1996CN2243757Y Long magnetic path speaker
12/25/1996CN1138816A Structural component of speaker, speaker and its mfg. method
12/25/1996CN1138815A Wiring structure of speaker
12/24/1996US5587562 Diaphragm for electro-dynamic type loudspeakers
12/18/1996EP0749265A1 High frequency loudspeaker
12/18/1996EP0749262A1 Loudspeaker with interconnection structure
12/18/1996EP0748576A1 Variable geometry electromagnetic transducer
12/17/1996CA2178532A1 High frequency loudspeaker
12/10/1996US5583945 Speaker with a molded plastic frame including a positioning projection, and a method for manufacturing the same
12/10/1996US5583944 Speaker
12/03/1996US5581624 Loudspeaker suitable for high-temperature use having a non-adhesive connection between the voice coil support and the loudspeaker diaphragm
11/1996
11/21/1996DE19620010A1 Loudspeaker system with satellite housing
11/20/1996CN1136262A Damper for use in loudspeaker
10/1996
10/24/1996WO1996033592A1 Dual coil drive with multipurpose housing
10/23/1996EP0738454A1 Apparatus comprising a baffle and a loudspeaker, and loudspeaker for use in the apparatus
10/09/1996CN2237314Y Tone adjustable speaker
10/09/1996CN2237313Y Fixing device for sound speaker basin and speaker suspending edge
10/09/1996CN1132852A Driving apparatus for electrostatic converting means
10/02/1996EP0735795A2 Surroundless loudspeaker
10/02/1996EP0538381B1 Loudspeaker suspension
10/02/1996CN2236708Y Electric speaker coil
09/1996
09/26/1996WO1996029843A1 Multiple voice coil, multiple function loudspeaker
09/25/1996CN2236202Y D.C horn
09/18/1996EP0732037A1 High gain acoustic transducer
08/1996
08/28/1996EP0729289A2 Speaker damper and production method thereof
08/27/1996US5550332 Loudspeaker assembly
08/21/1996CN2233656Y Elastic held telephone receiver
08/20/1996US5548657 Compound loudspeaker drive unit
08/14/1996CN2233147Y Speaker
08/13/1996US5546470 Loudspeaker
08/07/1996EP0724820A1 Device and method for assembly of radial magnet voice coil actuators
07/1996
07/31/1996CN2232181Y Loudspeaker with bias force vibration diaphragm
07/23/1996US5539262 Axially focused radial magnet voice coil actuator
07/16/1996US5536984 Voice coil actuator
07/11/1996DE19548041A1 Driver for electrostatic transducer for use with piezoelectric oscillator
07/10/1996CN2231002Y Long working life speaker of vehicle
07/03/1996EP0720415A2 Speaker component, speaker, and its manufacturing method
07/02/1996US5533134 Motional feedback loudspeaker apparatus having a coupling member for connecting a voice coil bobbin with a detecting coil bobbin
06/1996
06/26/1996EP0698333A4 Voice coil excursion and amplitude gain control device
06/26/1996CN2230070Y Loud-speaker with double voice coil, double magnetic field and double push-pull
06/19/1996CN2229742Y Audible bass exciter
06/12/1996CN2229124Y Plane type electric loud-speaker
06/11/1996US5526441 Full range convex electrodynamic loudspeaker
06/04/1996US5524151 Electroacoustic transducer having a mask
05/1996
05/29/1996CN1123511A Electroustic transducer
05/23/1996WO1996015647A1 Low tcr wire in high power audio coils
05/22/1996EP0650656B1 Loudspeaker
05/22/1996CN2227899Y Electromechanic senser
05/17/1996WO1996014722A1 Apparatus comprising a baffle and a loudspeaker, and loudspeaker for use in the apparatus
05/15/1996CN2227389Y Multipurpose earphone with single and double tracks
05/09/1996WO1996013960A1 Electrodynamic loudspeaker with fluid-supported moving system
05/01/1996CN1121678A Loudspeaker
04/1996
04/30/1996US5512714 Composite speaker system having a directional adjustable tweeter
04/25/1996WO1996012382A1 Reduced distortion loudspeakers
04/24/1996EP0708578A2 Connection line
04/24/1996CN1121300A Loudspeaker with magnetic circuit
04/23/1996US5511131 Loudspeaker
04/11/1996DE19538526A1 Audio loudspeaker damper system
04/04/1996DE4434630A1 UV adhesive for fixing coated wires in a moving coil of loudspeaker
03/1996
03/27/1996CN1119133A Electromagnetic transducer
03/21/1996DE19534342A1 Loudspeaker membrane-cone fixture arrangement
03/19/1996US5499440 Staking method
03/13/1996CN2222416Y Inner magnetic full acoustic frequency axial loudspeaker
03/07/1996WO1996007294A1 Electro-acoustic transducer
03/07/1996CA2198734A1 Electro-acoustic transducer
03/06/1996EP0505382B1 Coil assemblies
03/05/1996US5497428 Self-cooled magnetic structure for loudspeakers
02/1996
02/28/1996EP0698333A1 Voice coil excursion and amplitude gain control device
02/15/1996WO1996004706A1 Axially focused radial magnet voice coil actuator
02/15/1996CA2195976A1 Axially focused radial magnet voice coil actuator
01/1996
01/24/1996EP0693862A2 Loudspeaker and process of manufacturing
01/24/1996CN1115557A Attenuator used in laudspeaker and production of same
01/24/1996CN1115486A Electro-magnetic acoustic exchanger and method for winding coil of same
01/23/1996US5487114 Magnetless speaker
01/17/1996EP0682849A4 Double ended field coil actuator.
01/03/1996EP0690658A2 Loudspeaker
01/03/1996CN2216726Y Flat-plate loudspeaker
12/1995
12/27/1995EP0689372A1 Loudspeaker with integrated capacitor
12/13/1995EP0687128A1 Voice oil and method for production thereof
12/13/1995EP0686985A1 Coil assemblies
12/12/1995US5475765 Improvements in or relating to loudspeakers
12/06/1995EP0685984A2 Moving coil carrier for loudspeaker
12/06/1995EP0685983A2 Magnetic circuit unit for loud-speaker and method of manufacturing the same
12/06/1995EP0685982A2 Loudspeaker
12/06/1995EP0685981A2 Loudspeaker
12/06/1995EP0685980A2 Loudspeaker
12/06/1995EP0685979A2 Centering diaphragm
12/05/1995US5473700 High gain acoustic transducer
11/1995
11/29/1995CN2214066Y Conduction machinery stethoscope
11/28/1995US5471437 Electrodynamic acoustic transducer
11/22/1995EP0682849A1 Double ended field coil actuator
11/15/1995CN1111896A Method for improving property of loudspeaker and double magnetic field double push-pull loudspeaker
11/15/1995CN1111895A Electric loudspeaker with long service-life contact
11/02/1995EP0680242A1 Loudspeaker
10/1995
10/24/1995US5461677 Loudspeaker
10/05/1995WO1995026616A1 Method of manufacturing a loudspeaker spider
10/04/1995EP0675668A1 A damper for a loudspeaker and a method for producing the same
10/04/1995CN2209417Y Contact type mediately trausferring vibration microphone
10/04/1995CN2209416Y Non-static core support piece loudspeaker