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