СПИСОК патентов США - подгруппа МПК16 H04R9/04
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9602900 | Speaker frame and speaker having the same | |||
| 2 | 9591400 | Installation structure for acoustic transducer | |||
| 3 | 9584922 | Hybrid speaker | |||
| 4 | 9578434 | Method for making diaphragm | |||
| 5 | 9578421 | Miniature speaker | |||
| 6 | 9571936 | Audio speaker having a high-saturation magnetic insert | |||
| 7 | 9565498 | Audio driver and method for transforming an electrical signal into air movement | |||
| 8 | 9560453 | Electroacoustic transducer | |||
| 9 | 9549262 | Miniature electroacoustic transducer and assembling method thereof | |||
| 10 | 9544693 | Device for emitting an acoustic wave | |||
| 11 | 9538293 | Apparatus having varying geometry | |||
| 12 | 9538292 | Speaker with voice coil and field coil | |||
| 13 | 9538291 | Speaker | |||
| 14 | 9538290 | Coaxial loudspeaker arrangement | |||
2016 | |||||
| 15 | 9532145 | Low-profile speaker | |||
| 16 | 9532134 | Sound pickup apparatus | |||
| 17 | 9532132 | Hearing-impaired person assistance speaker | |||
| 18 | 9525946 | Acoustic device | |||
| 19 | 9516422 | Weaving method for a damper of a loudspeaker | |||
| 20 | 9515541 | Audio resonance vibrator | |||
| 21 | 9510100 | Energy converter, speaker, and method of manufacturing energy converter | |||
| 22 | 9503822 | Electroacoustic transducer | |||
| 23 | 9497547 | Speaker structure | |||
| 24 | 9485587 | Speaker device assembly with recoil vibration attenuating counter balance | |||
| 25 | 9485586 | Speaker driver | |||
| 26 | 9485583 | Vibration unit for acoustic module | |||
| 27 | 9473854 | Electrodynamic exciter and vehicle lamp employing the same | |||
| 28 | 9470808 | Micro-geophone | |||
| 29 | 9467783 | Low profile loudspeaker transducer | |||
| 30 | 9467759 | Speaker box | |||
| 31 | 9466280 | Acoustic device suspension | |||
| 32 | 9452463 | Synthetic jet ejector and design thereof to facilitate mass production | |||
| 33 | 9451365 | Voice coil speaker | |||
| 34 | 9451345 | Loudspeaker assembly configuration | |||
| 35 | 9438999 | Acoustic transducer assembly | |||
| 36 | 9438998 | Acoustic transducer assembly | |||
| 37 | 9432788 | Thin film circuit for acoustic transducer and methods of manufacture | |||
| 38 | 9432782 | Electromagnetic transducer with air gap substitute | |||
| 39 | 9432775 | Energy conversion apparatus | |||
| 40 | 9432773 | Speaker and audio-visual system | |||
| 41 | 9426576 | Loudspeaker and electrodynamic acoustic transducer with bulbous waveguide tip | |||
| 42 | 9420377 | Audio playback device | |||
| 43 | 9406288 | Actuator for vibrating a sound board in a musical instrument and method for attaching same | |||
| 44 | 9402137 | Sound transducer with interdigitated first and second sets of comb fingers | |||
| 45 | 9398375 | Electrodynamic electroacoustic transducer, diaphragm thereof, and method of manufacturing the same | |||
| 46 | 9392370 | Voice coil speaker | |||
| 47 | 9392369 | Speaker having center pleat | |||
| 48 | 9369807 | Electroacoustic transducer and manufacturing method thereof | |||
| 49 | 9369806 | Moving-coil electroacoustic transducer | |||
| 50 | 9357311 | Miniature speaker | |||
| 51 | 9351078 | Vibrating panel device for electromagnetic vibrator and its manufacture method | |||
| 52 | 9351058 | Speaker frame and speaker having the same | |||
| 53 | 9348043 | Multi-coil multi-terminal closed-loop geophone accelerometer | |||
| 54 | 9347173 | Method of manufacturing a damper for a loudspeaker | |||
| 55 | 9338532 | Suspension and speaker using same | |||
| 56 | 9327961 | Electrodynamic speaker structure having MEMS technology | |||
| 57 | 9319796 | Voice coil speaker | |||
| 58 | 9313579 | Sound generator for vehicle | |||
| 59 | 9301053 | Audio transducer with electrostatic discharge protection | |||
| 60 | 9297916 | Micro-geophone | |||
| 61 | 9294844 | Voice coil speaker | |||
| 62 | 9294843 | Multimedia acoustics system having audio frequency digital interface | |||
| 63 | 9288582 | Suspension system for micro-speakers | |||
| 64 | 9277325 | Inner magnetic transducer with multiple magnetic gaps and multiple coils and preparation method thereof | |||
| 65 | 9277305 | Suspension for a sound transducer | |||
| 66 | 9277303 | Treatment for loudspeaker suspension element fabric | |||
| 67 | 9271086 | Flat type speaker having damper-lead plate of PCB voice coil plate | |||
| 68 | 9271085 | Damper of a voice coil plate for a plate speaker | |||
| 69 | 9271084 | Suspension system for micro-speakers | |||
| 70 | 9271060 | Flat type speaker having vibration-lead plate attached on top of vibration plate | |||
| 71 | 9258638 | Anti-diffraction and phase correction structure for planar magnetic transducers | |||
| 72 | 9253577 | Multi-coil unit, voice coil, and electro-acoustic transducer using the same | |||
| 73 | 9253576 | Suspension for acoustic device | |||
| 74 | 9247350 | Acoustic transducer assembly | |||
| 75 | 9247349 | Loudspeaker, video device, and portable information processing apparatus | |||
| 76 | 9247348 | Speaker having a horizontal former | |||
| 77 | 9241220 | Speaker device | |||
| 78 | 9241213 | Acoustic transducer | |||
| 79 | 9238251 | Dual-coil geophone accelerometer | |||
| 80 | 9232314 | Loudspeaker configuration | |||
2015 | |||||
| 81 | 9210513 | Multiple-ring coaxial audio speaker using single audio source | |||
| 82 | 9210512 | Flat-type speaker having plurality of magnetic circuits which are horizontally connected | |||
| 83 | 9185494 | Inner magnet type microspeaker | |||
| 84 | 9173037 | Vibrating body for acoustic transducer and speaker device | |||
| 85 | 9173036 | Manufacturing method for narrow-type diaphragm and thin-type diaphragm, speaker-use diaphragm manufactured using same manufacturing method, speaker, electronic apparatus, and movable device | |||
| 86 | 9154883 | Low rise speaker assembly having a dual voice coil driver | |||
| 87 | 9143871 | Micro converter, audio device and hearing aid | |||
| 88 | 9143866 | Voice coil former stiffener | |||
| 89 | 9131304 | Loudspeaker and equipment including the same | |||
| 90 | 9124964 | Wide-range, wide-angle loudspeaker driver | |||
| 91 | 9117434 | Vibration-lead plate for flat type speaker, mounted between voice coil plate and vibration plate | |||
| 92 | 9113258 | Speaker | |||
| 93 | 9106992 | Loudspeaker and electronic equipment including the loudspeaker | |||
| 94 | 9100740 | Innovative magnetic design for speakers | |||
| 95 | 9088840 | Vibration module for sound transducer | |||
| 96 | 9084052 | Moving coil miniature loudspeaker module | |||
| 97 | 9084051 | Unidirectional mechanical amplification in a microphone | |||
| 98 | 9078061 | Stereo ribbon microphone | |||
| 99 | 9071898 | Acoustic loudspeaker | |||
| 100 | 9066179 | Loudspeaker assembly configuration | |||
| 101 | 8989429 | Electrodynamic transducer having a dome and a buoyant hanging part | |||
2014 | |||||
| 102 | 8917898 | Acoustic loudspeaker | |||
| 103 | 8879777 | Dynamic electroacoustic transducer | |||
| 104 | 8867778 | Loudspeaker | |||
2013 | |||||
| 105 | 8531062 | Linear motor with three magnets and a coil carrier having multiple winding areas with each area having a section of a coil wound with one continuous wire, or separate coils respectively wound around each area with all coils wound in the same direction | |||
| 106 | 8422723 | Loudspeaker and electronic device including loudspeaker | |||
| 107 | 8415838 | Linear motor with two magnets and a coil carrier having multiple winding areas with each area having a section of a coil wound with one continuous wire with the winding in opposite directions in spaced apart winding areas | |||
2012 | |||||
| 108 | 8295537 | Loudspeaker moment and torque balancing | |||
| 109 | 8135155 | Electronic device with internal array microphone affixed to rear cover of display | |||
2011 | |||||
| 110 | 7970161 | Acoustic transducer having reduced thickness | |||
2008 | |||||
| 111 | 7418108 | Transducer for tactile applications and apparatus incorporating transducers | |||
| 112 | 7382893 | Loudspeaker with inverted cone | |||
| 113 | 7377358 | Frame for speaker device and speaker device | |||
| 114 | 7357218 | Frame for speaker device and speaker device | |||
| 115 | 7331420 | Frame for speaker device and speaker device | |||
2007 | |||||
| 116 | 7225895 | Audio speaker with wobble free voice coil movement | |||
| 117 | 7190803 | Acoustic transducer having reduced thickness | |||
| 118 | 7185735 | Audio speaker with wobble free voice coil movement | |||
2006 | |||||
| 119 | 7025170 | Speaker | |||
| 120 | 7013731 | Data storage testing apparatus for delivering linear or rotational acceleration | |||
2005 | |||||
| 121 | 6956953 | Electroacoustic transducer with field replaceable diaphragm carrying two interlaced coils, without manipulating any wires | |||
| 122 | 6934402 | Planar-magnetic speakers with secondary magnetic structure | |||
| 123 | 6909788 | Speaker voice coil bobbin and method of manufacturing same | |||
| 124 | 6904158 | Speaker apparatus | |||
| 125 | 6904154 | Acoustic device | |||
| 126 | 6895097 | Planar type speaker and system using it | |||
| 127 | 6868167 | Audio speaker and method for assembling an audio speaker | |||
| 128 | 6867374 | Ceramic insulation coated electric wire self-fusing ceramic insulation coated electric wire coating composition and coil and voices coil for speaker | |||
| 129 | 6865282 | Loudspeaker suspension for achieving very long excursion | |||
| 130 | 6862361 | Audio speaker | |||
| 131 | 6850138 | Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device | |||
| 132 | 6842529 | Speaker | |||
| 133 | 6839444 | Loudspeakers | |||
2004 | |||||
| 134 | 6836551 | Loudspeaker | |||
| 135 | 6804368 | Micro-speaker and method for assembling a micro-speaker | |||
| 136 | 6801635 | Speaker device | |||
| 137 | 6801634 | Loudspeaker coil suspension system | |||
| 138 | 6789643 | Butterfly damper | |||
| 139 | 6778677 | Repairable electromagnetic linear motor for loudspeakers and the like | |||
| 140 | 6772855 | Damper for speaker and method of producing the same | |||
| 141 | 6760462 | Planar diaphragm loudspeakers with non-uniform air resistive loading for low frequency modal control | |||
| 142 | 6757403 | Electroacoustic transducers | |||
| 143 | 6751333 | Inertial vibration transducers | |||
| 144 | 6735322 | Speaker | |||
| 145 | 6721435 | Acoustic loudspeaker with energy absorbing bearing and voice coil, and selective sound dampening and dispersion | |||
| 146 | 6690809 | Microspeaker | |||
| 147 | 6681026 | Rectangular transducer for panel-form loudspeaker | |||
| 148 | 6674871 | Positioning device for diaphragm for speakers | |||
2003 | |||||
| 149 | 6661903 | Loudspeaker | |||
| 150 | 6654476 | Low cost broad range loudspeaker and system | |||
| 151 | 6654475 | Electricity-to-sound transducer | |||
| 152 | 6633649 | Quick release spider clamp for loudspeakers | |||
| 153 | 6621912 | Speaker | |||
| 154 | 6606390 | Loudspeakers | |||
| 155 | 6600399 | Transducer motor/generator assembly | |||
| 156 | 6593847 | Planar acoustic converting apparatus | |||
| 157 | 6590994 | Linear vibrating device and speaker equipped with the same | |||
| 158 | 6590990 | Speaker apparatus | |||
| 159 | 6587571 | Speaker | |||
| 160 | 6587570 | Electroacoustic transducer | |||
| 161 | 6542617 | Speaker | |||
| 162 | 6526152 | Electroacoustic transducer having a moving coil and elastic holding elements for the connecting leads of the moving coil | |||
| 163 | 6519349 | Loudspeaker | |||
2002 | |||||
| 164 | 6501844 | Loudspeaker and method of assembling same | |||
| 165 | 6496590 | Loudspeaker with improved diaphragm | |||
| 166 | 6484844 | Speaker | |||
| 167 | 6480614 | Planar acoustic transducer | |||
| 168 | 6449375 | Loudspeaker spider with regressive rolls | |||
| 169 | 6421449 | Speaker | |||
| 170 | 6404896 | Electric-acoustic transducer having dual voice coil drivers | |||
| 171 | 6404894 | Packaging | |||
| 172 | 6399870 | Musical instruments incorporating loudspeakers | |||
| 173 | 6359996 | Speaker device | |||
| 174 | 6351542 | Loudspeakers with panel-form acoustic radiating elements | |||
| 175 | 6347149 | Driver for a flat acoustic panel | |||
| 176 | 6341167 | Speaker | |||
2001 | |||||
| 177 | 6330340 | Loudspeaker with a diaphragm having integral vent bores | |||
| 178 | 6327371 | Loudspeaker with cooling adapter | |||
| 179 | 6327369 | Loudspeakers comprising panel-form acoustic radiating elements | |||
| 180 | 6320967 | Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements | |||
| 181 | 6307942 | Panel-form microphones | |||
| 182 | 6304661 | Loudspeakers comprising panel-form acoustic radiating elements | |||
| 183 | 6292079 | Coil assembly of speaker | |||
| 184 | 6285770 | Noticeboards incorporating loudspeakers | |||
| 185 | 6278787 | Loudspeakers | |||
| 186 | 6266426 | Visual display means incorporating loudspeakers | |||
| 187 | 6259800 | Speaker and speaker apparatus | |||
| 188 | 6215881 | Ceiling tile loudspeaker | |||
| 189 | 6205228 | Horn loaded pleated ribbon high frequency acoustic transducer with substantially uniform coupling | |||
| 190 | 6201878 | Portable compact disc player | |||
| 191 | 6198831 | Panel-form loudspeakers | |||
| 192 | 6192136 | Inertial vibration transducers | |||
| 193 | 6188775 | Panel-form loudspeakers | |||
| 194 | 6181799 | Greetings or the like card | |||
2000 | |||||
| 195 | 6158109 | Coil manufacturing method using ring shaped spacer | |||
| 196 | 6151402 | Vibration transducers | |||
| 197 | 6130955 | Voice coil assembly | |||
| 198 | 6118884 | Audio voice coil adaptor ring | |||
| 199 | 6111970 | Suspension for high power pleated ribbon transducer | |||
| 200 | 6088466 | Audio voice coil adaptor ring | |||
1999 | |||||
| 201 | 6003766 | Vending machine | |||
| 202 | 5953438 | Planar electromagnetic transducer | |||
| 203 | 5937076 | Magnetic drive apparatus and method for manufacturing coil that forms the apparatus | |||
1998 | |||||
| 204 | 5850462 | Speaker component, speaker, and its manufacturing method | |||
| 205 | 5848173 | Surroundless loudspeaker | |||
| 206 | 5832096 | Speaker containing dual coil | |||
| 207 | 5828767 | Inductive braking in a dual coil speaker driver unit | |||
| 208 | 5815587 | Loudspeaker with short circuit rings at the voice coil | |||
| 209 | 5740265 | Loudspeaker unit and loudspeaker system employing the unit | |||
| 210 | 5734734 | Audio voice coil adaptor ring | |||
| 211 | 5717775 | Voice coil and loudspeaker structure | |||
1997 | |||||
| 212 | 5701657 | Method of manufacturing a repulsion magnetic circuit type loudspeaker | |||
| 213 | 5699439 | Loudspeakers | |||
| 214 | 5675885 | Method of winding a coil for an electroacoustic transducer | |||
| 215 | 5664023 | Low TCR wire in high power audio coils | |||
| 216 | 5647014 | Voice coil support for loudspeaker | |||
| 217 | 5642333 | Electroacoustic transducer and method of winding coil therein | |||
| 218 | 5604815 | Single magnet audio transducer and method of manufacturing | |||
| 219 | 5598625 | Method for assembly of radial magnet voice coil actuators | |||
| 220 | 5594805 | Loudspeaker | |||
1996 | |||||
| 221 | 5583944 | Speaker | |||
| 222 | 5581624 | Loudspeaker suitable for high-temperature use having a non-adhesive connection between the voice coil support and the loudspeaker diaphragm | |||
| 223 | 5550332 | Loudspeaker assembly | |||
| 224 | 5546470 | Loudspeaker | |||
| 225 | 5536984 | Voice coil actuator | |||
| 226 | 5533134 | Motional feedback loudspeaker apparatus having a coupling member for connecting a voice coil bobbin with a detecting coil bobbin | |||
| 227 | 5511131 | Loudspeaker | |||
1995 | |||||
| 228 | 5452366 | Loudspeaker | |||
| 229 | 5446797 | Audio transducer with etched voice coil | |||
| 230 | 5434458 | Voice coil actuator | |||
| 231 | 5430805 | Planar electromagnetic transducer | |||
| 232 | 5430804 | Loudspeaker with a coated voice coil | |||
| 233 | 5426707 | Electrodynamic loudspeaker with cooling arrangement | |||
| 234 | 5424496 | Electromagnetic converter | |||
| 235 | 5383267 | Apparatus for centering an actuator coil | |||
1994 | |||||
| 236 | 5371806 | Loudspeaker | |||
| 237 | 5361304 | Headphone assemblies | |||
| 238 | 5321762 | Voice coil actuator | |||
| 239 | 5297214 | Loudspeaker structure | |||
| 240 | 5283836 | Planar speakers | |||
1993 | |||||
| 241 | 5249237 | Audio transducer improvements | |||
| 242 | 5249236 | Wiring structure of loudspeaker | |||
| 243 | 5243150 | Ribbon transducers | |||
| 244 | 5230021 | Audio transducer improvements | |||
| 245 | 5212736 | Ribbon speaker | |||
| 246 | 5212735 | Wide-ribbon loudspeaker | |||
| 247 | 5197104 | Electrodynamic loudspeaker with electromagnetic impedance sensor coil | |||
| 248 | 5195143 | Acoustical ribbon transducer loudspeaker system | |||
| 249 | 5179595 | Electrodynamic-fluidic transducer element for pneumatic loudspeaker | |||
1992 | |||||
| 250 | 5166982 | Horn speaker having a cooling device | |||
| 251 | 5148888 | Ribbon transducers | |||
| 252 | 5148493 | Loudspeaker structure | |||
| 253 | 5142260 | Transducer motor assembly | |||
| 254 | 5129005 | Electrodynamic loudspeaker | |||
| 255 | 5091028 | Method for manufacturing a heat resistant voice coil | |||
| 256 | 5081684 | Shallow loudspeaker with slotted magnet structure | |||
| 257 | 5081683 | Loudspeakers | |||
1991 | |||||
| 258 | 5062140 | Induction speaker | |||
| 259 | 5040221 | Compact electroacoustical transducing with flat conducting tinsel leads crimped to voice coil ends | |||
| 260 | 5027412 | Voice coil with rectangular coil wire and foil leads | |||
| 261 | 5021613 | Ribbon loudspeaker | |||
| 262 | 5014323 | Voice coil lead dressing | |||
| 263 | 5008945 | Water-proof speaker unit | |||
| 264 | 5003610 | Whole surface driven speaker | |||
| 265 | 5003609 | Whole-surface driven speaker | |||
1990 | |||||
| 266 | 4951023 | Electromagnetic drive apparatus having a flat coil | |||
| 267 | 4939784 | Loudspeaker structure | |||
| 268 | 4933975 | Dynamic loudspeaker for producing high audio power | |||
| 269 | 4924504 | Audio speaker | |||
| 270 | 4914707 | Balanced vehicular speaker system | |||
| 271 | 4912086 | Electroacoustic transducer comprising a superconducting element | |||
| 272 | 4897877 | Sub-woofer driver combination with dual voice coil arrangement | |||
1989 | |||||
| 273 | 4869765 | Production process of bobbin for voice coil | |||
| 274 | 4860370 | Magnetically suspended acoustical speaker | |||
| 275 | 4860369 | Flat speaker unit | |||
| 276 | 4856071 | Planar loudspeaker system | |||
| 277 | 4847904 | Ambient imaging loudspeaker system | |||
| 278 | 4837838 | Electromagnetic transducer of improved efficiency | |||
| 279 | 4835429 | Flexible printed cable connected to an inner most end of motor coil | |||
| 280 | 4829582 | Electrodynamic transducer | |||
| 281 | 4825533 | Method of making a voice coil with rectangular coil wire and foil leads | |||
| 282 | 4821330 | Wide-band loudspeaker having a diaphragm area divided into sub-areas for various frequency ranges | |||
| 283 | 4817165 | Acoustic speaker device with a diaphragm having a spider web type core | |||
| 284 | 4803733 | Loudspeaker diaphragm mounting system and method | |||
1988 | |||||
| 285 | 4792978 | Planar loudspeaker system | |||
| 286 | 4783824 | Speaker unit having two voice coils wound around a common coil bobbin | |||
| 287 | 4750257 | Method for making a magnet transducer assembly | |||
| 288 | 4750208 | Audio-band electromechanical vibration converter | |||
| 289 | 4737992 | Compact electroacoustical transducer with spider covering rear basket opening | |||
| 290 | 4723296 | Electrodynamic transducer of the isophase or ribbon type | |||
1987 | |||||
| 291 | 4661973 | Minimization of distortion due to a voice coil displacement in a speaker unit | |||
| 292 | 4653103 | Loudspeaker structure and system | |||
| 293 | 4635750 | Loudspeaker diaphragm | |||
1986 | |||||
| 294 | 4612420 | Loudspeaker system for converting a digitized electric signal into an acoustic signal | |||
| 295 | 4608463 | Electro-acoustic transducer | |||
| 296 | 4604792 | Method for making electro-acoustic transducer apparatus | |||
| 297 | 4584439 | Audio transducer with controlled flexibility diaphragm | |||
| 298 | 4580014 | Means for controlling ribbon edge clearance in a ribbon loudspeaker | |||
| 299 | 4577069 | Electroacoustical transducer | |||
| 300 | 4565905 | Loudspeaker construction | |||
1985 | |||||
| 301 | 4550428 | Driver unit for automotive audio speaker | |||
| 302 | 4550228 | Ribbon speaker system | |||
| 303 | 4547632 | Dynamic loudspeaker | |||
| 304 | 4544806 | Ribbon-type transducer with a multi-layer diaphragm | |||
| 305 | 4539442 | Loudspeaker | |||
| 306 | 4536623 | Electro-acoustic transducer with diaphragm and blank therefor | |||
| 307 | 4532383 | Electroacoustic transducer having a variable thickness diaphragm | |||
| 308 | 4531025 | Loudspeaker with commutated coil drive | |||
| 309 | 4527017 | Magnet system for an electroacoustic transducer | |||
| 310 | 4508941 | Voice coil centering and suspension for vented pole piece | |||
| 311 | 4495638 | Audio-band electro-mechanical vibration converter | |||
1984 | |||||
| 312 | 4488012 | MFB Loudspeaker | |||
| 313 | 4484037 | Ribbon-type electro-acoustic transducer with low distortion and improved sensitivity | |||
| 314 | 4480155 | Diaphragm type magnetic transducer | |||
| 315 | 4479035 | Ceramic voice coil assembly | |||
| 316 | 4473723 | Ribbon loudspeaker having corregated ribbon for reducing distortion | |||
| 317 | 4472604 | Planar type electro-acoustic transducer and process for manufacturing same | |||
| 318 | 4471173 | Piston-diaphragm speaker | |||
| 319 | 4471172 | Planar diaphragm transducer with improved magnetic circuit | |||
| 320 | 4468530 | Loudspeaker system | |||
| 321 | 4465905 | Loudspeaker assembly | |||
| 322 | 4461933 | Electrical/mechanical transducers | |||
| 323 | 4461932 | Ribbon type speaker and method of assembling magnetic circuit thereof | |||
| 324 | 4433214 | Acoustical transducer with a slotted piston suspension | |||
1983 | |||||
| 325 | 4421381 | Mechanical vibrating element | |||
| 326 | 4413162 | Moving coil transducers using multiple-stranded coils | |||
| 327 | 4413161 | Electro-acoustic transducer | |||
| 328 | 4413160 | Ribbon-type loudspeaker | |||
| 329 | 4410768 | Electro-acoustic transducer | |||
| 330 | 4395592 | Ribbon loudspeaker | |||
| 331 | 4387275 | Speaker and speaker system | |||
| 332 | 4384173 | Electromagnetic planar diaphragm transducer | |||
| 333 | 4379952 | Mechanical filter for an electrodynamic transducer | |||
| 334 | 4379951 | Electro-acoustic transducer means | |||
| 335 | 4376233 | Securing of lead wires to electro-acoustic transducers | |||
| 336 | 4367377 | Horn loudspeaker with particular suspension and lead wire passage | |||
1982 | |||||
| 337 | 4360707 | Digitally driven combination coils for electrodynamic acoustic transducers | |||
| 338 | 4354067 | Audio-band electromechanical vibration converter | |||
| 339 | 4354066 | Rigid-diaphragm transducer with plural coils | |||
| 340 | 4353432 | Electro-dynamic speaker | |||
| 341 | 4340787 | Electroacoustic transducer | |||
| 342 | 4338489 | Headphone construction | |||
| 343 | 4337379 | Planar electrodynamic electroacoustic transducer | |||
| 344 | 4336425 | High frequency compression driver and method of manufacture thereof | |||
| 345 | 4327257 | Alignment device for electro-acoustical transducers | |||
| 346 | 4322584 | Voice coil bobbin for planar diaphragm | |||
| 347 | 4320264 | Loudspeaker with a heat resistant two-part diaphragm | |||
| 348 | 4319096 | Line radiator ribbon loudspeaker | |||
| 349 | 4317966 | Vibratory ribbon speaker | |||
| 350 | 4317965 | Thin miniaturized dynamic-type loudspeaker | |||
| 351 | 4315112 | Speaker | |||
| 352 | 4313040 | Electro-acoustic transducer with free edge diaphragm | |||
| 353 | 4312118 | Method for producing speaker construction | |||
1981 | |||||
| 354 | 4300022 | Multi-filar moving coil loudspeaker | |||
| 355 | 4297537 | Dynamic loudspeaker | |||
| 356 | 4296486 | Shielded electromagnetic acoustic transducers | |||
| 357 | 4281223 | Electro-acoustic transducer | |||
| 358 | 4278852 | Earphone construction | |||
| 359 | 4276452 | Membrane type electro-acoustic transducer | |||
| 360 | 4276449 | Speaker or microphone having corrugated diaphragm with conductors thereon | |||
| 361 | 4273968 | Electroacoustic transducer with magnetic flux directed slantly across a diaphragm | |||
| 362 | 4259550 | Acoustic device with floating vibrating means | |||
| 363 | 4246446 | Moving coil pick-up with coils printed on opposite sides of waver | |||
1980 | |||||
| 364 | 4242541 | Composite type acoustic transducer | |||
| 365 | 4239943 | Adjustable dual spider for a loudspeaker | |||
| 366 | 4235302 | Loudspeaker | |||
| 367 | 4228327 | Electromagnetic type acoustic transducers | |||
| 368 | 4225757 | Broad band dynamic loudspeaker | |||
| 369 | 4225756 | Broad band dynamic loudspeaker | |||
| 370 | 4211898 | Headphone with two resonant peaks for simulating loudspeaker reproduction | |||
| 371 | 4210786 | Magnetic field structure for planar speaker | |||
| 372 | 4201886 | Plural concentric moving coil speaker with push-pull voltage follower direct coupling | |||
| 373 | 4188711 | Method of making broad band dynamic loudspeaker | |||
1979 | |||||
| 374 | 4165448 | Loudspeaker with improved voice coil support | |||
| 375 | 4163876 | Electro-acoustic transducer with variable thickness foam surfaced diaphragm | |||
| 376 | 4158756 | Dynamic loudspeaker with plastic basket encapsulating front pole plate | |||
| 377 | 4156801 | Pattern voice coil loudspeaker with baffles touching diaphragm | |||
| 378 | 4144416 | Unitary tuned port and loudspeaker frame | |||
1978 | |||||
| 379 | 4130725 | Split-coil speaker with direct coupling | |||
| 380 | 4118605 | Coil mount structure | |||
| 381 | 4115667 | Loudspeaker voice coil bearing | |||
| 382 | 4100992 | Loudspeaker | |||
| 383 | 4088847 | Speaker voice coil construction | |||
| 384 | 4081627 | Electromagnetic bipolar loud speaker | |||
1977 | |||||
| 385 | 4061890 | Loudspeaker with single layer rectangular wire voice coil wound on slit metal bobbin with a notch in the adjacent pole plate | |||
| 386 | 4056697 | Movable diaphragm connector method flexible hinge diaphragm surround and electro-acoustic transducer with folded diaphragm with intermediate flexible portions | |||
| 387 | 4049926 | Ribbon loudspeaker achieves focusing and uniformity of the magnetic flux in the working gap | |||
| 388 | 4037061 | Planar pattern voice coil audio transducer | |||
| 389 | 4029911 | Electro-acoustic transducer and method of manufacturing such a transducer | |||
| 390 | 4027111 | Ribbon loudspeaker | |||
| 391 | 4020296 | Electroacoustic transducer | |||
| 392 | 4008374 | Loudspeaker systems | |||
| 393 | 4001523 | Ribbon loudspeaker | |||
| 394 | 4001522 | Ribbon type loudspeaker | |||
1976 | |||||
| 395 | 3997739 | Electrodynamic type electroacoustic transducer | |||
| 396 | 3983337 | Broad-band acoustic speaker | |||
| 397 | 3979566 | Electromagnetic transducer | |||
| 398 | 3967367 | Method for aligning loudspeaker diaphragm and voice coil assembly | |||
| 399 | 3963882 | Boron or graphite reinforced voice coil and manufacturing process | |||
| 400 | 3956599 | Dome loudspeaker | |||
| 401 | 3939312 | Pattern voice coil transducer having permanent magnet plates of a single polarity | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||