СПИСОК патентов США - подгруппа МПК16 H04R1/22
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9602930 | Dual diaphragm microphone | |||
| 2 | 9602915 | Magnetically controllable transducer backing component | |||
| 3 | 9596547 | MEMS microphone with spring suspended backplate | |||
| 4 | 9591408 | Adjustable ventilation openings in MEMS structures | |||
| 5 | 9584926 | Implantable microphone | |||
| 6 | 9584903 | MEMS device and process | |||
| 7 | 9579745 | Systems and methods for enhancing performance of a microphone | |||
| 8 | 9576567 | Ergonomic tubular anechoic chambers for use with a communication device and related methods | |||
| 9 | 9544705 | Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources | |||
2016 | |||||
| 10 | 9532143 | Low frequency equalization for loudspeaker system | |||
| 11 | 9525932 | Acoustic device having active drivers mounted to a passive radiator diaphragm | |||
| 12 | 9525765 | Ergonomic anechoic anti-noise canceling chamber for use with a communication device and related methods | |||
| 13 | 9516406 | Portable device with enhanced bass response | |||
| 14 | 9510117 | Device for measuring sound level | |||
| 15 | 9503806 | Loudspeaker system audio recovery imaging amplifier | |||
| 16 | 9495953 | Dynamic engine harmonic enhancement sound stage | |||
| 17 | 9486823 | Off-ear detector for personal listening device with active noise control | |||
| 18 | 9473857 | Hearing aid with increased acoustic bandwidth | |||
| 19 | 9473855 | Moving armature receiver assemblies with vibration suppression | |||
| 20 | 9462372 | Unidirectional condenser microphone unit | |||
| 21 | 9451348 | Electronic device housing | |||
| 22 | 9449596 | Sound generation system, sound recording system, sound generation method, sound recording method, sound adjusting method, sound adjusting program, sound field adjusting system, speaker stand, furniture, speaker cabinet, and speaker device | |||
| 23 | 9438989 | Headphone structure for adjusting audio frequencies | |||
| 24 | 9432761 | Signal processor | |||
| 25 | 9420367 | Passive acoustical filters with filled expansion chamber | |||
| 26 | 9420365 | Silicon condenser microphone | |||
| 27 | 9407993 | Latency reduction in transposer-based virtual bass systems | |||
| 28 | 9407983 | Microphone device | |||
| 29 | 9402136 | Sound generator and electronic apparatus using the same | |||
| 30 | 9392357 | Method and apparatus for enhanced stimulation of the limbic auditory response | |||
| 31 | 9386366 | Active design of exhaust sounds | |||
| 32 | 9382109 | MEMS microphone with reduced parasitic capacitance | |||
| 33 | 9357289 | Three-dimensional air-adsorbing structure | |||
| 34 | 9333911 | Engine sound management | |||
| 35 | 9324315 | Loudspeaker diaphragm and loudspeaker using same | |||
| 36 | 9301042 | Electro-acoustic transducer | |||
| 37 | 9282398 | Speaker system having wide bandwidth and wide high-frequency dispersion | |||
| 38 | 9271067 | Transducer apparatus having a mechanical acoustic filter with movable blocking member | |||
| 39 | 9258634 | Microphone system with offset apertures | |||
| 40 | 9253299 | Ergonomic tubular anechoic chambers for use with a communication device and related methods | |||
| 41 | 9247348 | Speaker having a horizontal former | |||
| 42 | 9247338 | Electroacoustic transducer | |||
| 43 | 9232300 | Bass reflex port and tubular body | |||
| 44 | 9232299 | Three-dimensional air-adsorbing structure | |||
2015 | |||||
| 45 | 9226078 | Acoustic transducers | |||
| 46 | 9219953 | Earphone microphone | |||
| 47 | 9204222 | Transducer apparatus with a tension actuator | |||
| 48 | 9191735 | Microphone features relating to a portable computing device | |||
| 49 | 9185492 | Systems and methods for acousto-haptic speakers | |||
| 50 | 9136814 | Method and system of equalization pre-preocessing for sound receivng system | |||
| 51 | 9131304 | Loudspeaker and equipment including the same | |||
| 52 | 9131301 | Speaker enclosure and method for fabricating the same | |||
| 53 | 9119001 | Electronic device having loudspeaker module | |||
| 54 | 9107008 | Microphone with adjustable characteristics | |||
| 55 | 9100752 | Acoustic transducers with bend limiting member | |||
| 56 | 9100750 | Loudspeaker | |||
| 57 | 9094743 | Acoustic transducers | |||
| 58 | 9088853 | Receiver system for a hearing instrument | |||
| 59 | 9087506 | Passive acoustical filters incorporating inserts that reduce the speed of sound | |||
| 60 | 9078068 | Microphone with aligned apertures | |||
| 61 | 8991549 | Three-dimensional air-adsorbing structure | |||
| 62 | 8985268 | Speaker enclosure frame | |||
2014 | |||||
| 63 | 8913738 | Apparatus with wideband earpiece response | |||
| 64 | 8887862 | Phase plug device | |||
| 65 | 8794373 | Three-dimensional air-adsorbing structure | |||
2013 | |||||
| 66 | 8462977 | Loudspeaker with magnetic elements fixedly provided on diaphragm | |||
| 67 | 8452038 | Multi-throat acoustic horn for acoustic filtering | |||
| 68 | 8428296 | Bobbin and loudspeaker using the same | |||
| 69 | 8422725 | Bobbin and loudspeaker using the same | |||
| 70 | 8422723 | Loudspeaker and electronic device including loudspeaker | |||
| 71 | 8411895 | Bobbin and loudspeaker using the same | |||
| 72 | 8397861 | Diaphragm surround | |||
2012 | |||||
| 73 | 8311258 | Headset | |||
| 74 | 8295537 | Loudspeaker moment and torque balancing | |||
2011 | |||||
| 75 | 8002079 | Diaphragm for speaker, speaker using the diaphragm for speaker, and process for producing the diaphragm for speaker | |||
| 76 | 7938223 | Sintered elements and associated systems | |||
2010 | |||||
| 77 | 7845462 | Wide frequency range horn with modular method for reducing diffraction effects | |||
2009 | |||||
| 78 | 7631724 | Sound-wave path-length correcting structure for speaker system | |||
| 79 | 7578368 | Speaker set for electronic product | |||
| 80 | 7578367 | Speaker set and electronic product incorporating the same | |||
| 81 | 7556121 | Speaker set and mobile phone incorporating the same | |||
| 82 | 7520368 | Horizontally folded reflex-ported bass horn enclosure | |||
| 83 | 7513332 | Convertible folded horn enclosure with improved compactness | |||
| 84 | 7510047 | Speaker edge and resonator panel assembly | |||
| 85 | 7508953 | Loudspeaker and components for use in construction thereof | |||
| 86 | 7503422 | Expandable speaker enclosure | |||
2006 | |||||
| 87 | 7011178 | Sound transmitter and speaker | |||
2005 | |||||
| 88 | 6963651 | Single magnetic circuit dual output speaker | |||
| 89 | 6963650 | Coaxial speaker with step-down ledge to eliminate sound wave distortions and time delay | |||
| 90 | 6952874 | Two-stage phasing plug system in a compression driver | |||
| 91 | 6950529 | System consisting of a microphone and an amplifier | |||
| 92 | 6940990 | Multi-channel audio center speaker device | |||
| 93 | 6914992 | System consisting of a microphone and a preamplifier | |||
| 94 | 6912292 | Concentric co-planar multiband electro-acoustic converter | |||
| 95 | 6904154 | Acoustic device | |||
| 96 | 6876752 | Loudspeakers systems and components thereof | |||
2004 | |||||
| 97 | 6813364 | Electric/acoustic transducer module, in-ear hearing aid and method for manufacturing an in-ear hearing aid | |||
| 98 | 6810127 | Clear sound side fill center fill | |||
| 99 | 6804370 | Speaker capable to playback in wide frequency range | |||
| 100 | 6801635 | Speaker device | |||
| 101 | 6801631 | Speaker system with multiple transducers positioned in a plane for optimum acoustic radiation pattern | |||
| 102 | 6798891 | Speaker system | |||
| 103 | 6792122 | Acoustic device | |||
| 104 | 6788798 | Method and arrangement for improving leak tolerance of an earpiece | |||
| 105 | 6771784 | Sub woofer system | |||
| 106 | 6766027 | Elliptical flushmount speaker | |||
| 107 | 6751333 | Inertial vibration transducers | |||
| 108 | 6745867 | Loudspeaker drive unit | |||
| 109 | 6744899 | Direct coupling of waveguide to compression driver having matching slot shaped throats | |||
| 110 | 6741717 | Device for reducing structural-acoustic coupling between the diaphragm vibration field and the enclosure acoustic modes | |||
| 111 | 6738483 | Overhead loudspeaker systems | |||
| 112 | 6731765 | Loudspeaker device | |||
| 113 | 6728386 | Electro-acoustic communications unit | |||
| 114 | 6712177 | Cross-fired multiple horn loudspeaker system | |||
| 115 | 6707920 | Implantable hearing aid microphone | |||
| 116 | 6704427 | Acoustic transducer with improved acoustic damper | |||
| 117 | 6694038 | Acoustic device | |||
| 118 | 6682043 | Shock-absorbing device for a microphone stand | |||
2003 | |||||
| 119 | 6668969 | Manifold for a horn loudspeaker and method | |||
| 120 | 6668063 | Electrical apparatus with electro-acoustic transducer | |||
| 121 | 6658110 | Electroacoustic communications unit | |||
| 122 | 6647124 | Loudspeaker with coaxial magnetic circuit for high-pitch sound and low-pitch sound | |||
| 123 | 6647122 | Loudspeaker drive unit | |||
| 124 | 6621910 | Method and arrangement for improving leak tolerance of an earpiece in a radio device | |||
| 125 | 6621909 | Horn loudspeaker and loudspeaker systems | |||
| 126 | 6618487 | Electro-dynamic exciter | |||
| 127 | 6606390 | Loudspeakers | |||
| 128 | 6603863 | Headphone apparatus for providing dynamic sound with vibrations and method therefor | |||
| 129 | 6580801 | Loudspeaker apparatus | |||
| 130 | 6580799 | Keyboard comprising a loudspeaker | |||
| 131 | 6574344 | Directional horn speaker system | |||
| 132 | 6566960 | High back-EMF high pressure subwoofer having small volume cabinet low frequency cutoff and pressure resistant surround | |||
| 133 | 6557664 | Loudspeaker | |||
| 134 | 6553124 | Acoustic device | |||
| 135 | 6549634 | Behind-the-ear hearing aid | |||
| 136 | 6546106 | Acoustic device | |||
| 137 | 6522760 | Active acoustic devices | |||
| 138 | 6519349 | Loudspeaker | |||
| 139 | 6516072 | Loudspeaker | |||
2002 | |||||
| 140 | 6496586 | Thin Loudspeaker | |||
| 141 | 6493456 | Thin speaker assemblies including laterally offset resonator cavities and personal electronic devices including the same | |||
| 142 | 6493452 | Speaker unit | |||
| 143 | 6490361 | Apparatus having a housing which accommodates a sound transducer and which has a passage | |||
| 144 | 6473625 | Earpiece acoustics | |||
| 145 | 6466680 | High-frequency loudspeaker module for cinema screen | |||
| 146 | 6466675 | Loudspeaker system | |||
| 147 | 6442282 | Acoustic devices | |||
| 148 | 6438237 | 3D woofer drive circuit | |||
| 149 | 6418231 | High back EMF, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround | |||
| 150 | 6404894 | Packaging | |||
| 151 | 6399870 | Musical instruments incorporating loudspeakers | |||
| 152 | 6394223 | Loudspeaker with differential energy distribution in vertical and horizontal planes | |||
| 153 | 6389935 | Acoustic display screen | |||
| 154 | 6373955 | Loudspeakers | |||
| 155 | 6363157 | Multiple element electroacoustic transducing | |||
| 156 | 6359991 | Greetings or the like card | |||
| 157 | 6356642 | Multi-speaker system | |||
| 158 | 6356640 | Direction adjusting arrangement for tweeter | |||
| 159 | 6351542 | Loudspeakers with panel-form acoustic radiating elements | |||
| 160 | 6351541 | Electrostatic transducer | |||
| 161 | 6343134 | Loudspeaker and horn with an additional transducer | |||
| 162 | 6343132 | Loudspeaker | |||
| 163 | 6337908 | Telephone handset, cordless telephone or mobile telephone for improving acoustic problems in a frequency range | |||
2001 | |||||
| 164 | 6327369 | Loudspeakers comprising panel-form acoustic radiating elements | |||
| 165 | 6324294 | Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements | |||
| 166 | 6324052 | Personal computing devices comprising a resonant panel loudspeaker | |||
| 167 | 6320967 | Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements | |||
| 168 | 6307942 | Panel-form microphones | |||
| 169 | 6304661 | Loudspeakers comprising panel-form acoustic radiating elements | |||
| 170 | 6304222 | Radio communications handset antenna arrangements | |||
| 171 | 6285770 | Noticeboards incorporating loudspeakers | |||
| 172 | 6282298 | Acoustic device | |||
| 173 | 6282287 | Communication earpiece without impulse and high frequency noise | |||
| 174 | 6278787 | Loudspeakers | |||
| 175 | 6269168 | Speaker apparatus | |||
| 176 | 6266426 | Visual display means incorporating loudspeakers | |||
| 177 | 6263079 | Telephone with means for enhancing the low-frequency response | |||
| 178 | 6215881 | Ceiling tile loudspeaker | |||
| 179 | 6212284 | Sound reproduction device | |||
| 180 | 6201878 | Portable compact disc player | |||
| 181 | 6198831 | Panel-form loudspeakers | |||
| 182 | 6192136 | Inertial vibration transducers | |||
| 183 | 6188775 | Panel-form loudspeakers | |||
| 184 | 6181799 | Greetings or the like card | |||
| 185 | 6169809 | Visual display means incorporating loudspeakers | |||
2000 | |||||
| 186 | 6151402 | Vibration transducers | |||
| 187 | 6144746 | Loudspeakers comprising panel-form acoustic radiating elements | |||
| 188 | 6134332 | Sound lens speaker system | |||
| 189 | 6130954 | High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround | |||
| 190 | 6118883 | System for controlling low frequency acoustical directivity patterns and minimizing directivity discontinuities during frequency transitions | |||
| 191 | 6116373 | Acoustic horns for loudspeakers | |||
| 192 | 6112847 | Loudspeaker with differentiated energy distribution in vertical and horizontal planes | |||
| 193 | 6101262 | Flush-mount pivoting speaker | |||
| 194 | 6081602 | Arrayable two-way loudspeaker system and method | |||
| 195 | 6064745 | Compression driver phase plug | |||
| 196 | 6058315 | Speaker assembly for a radiotelephone | |||
| 197 | 6055320 | Directional horn speaker system | |||
| 198 | 6038326 | Loudspeaker and horn with an additional transducer | |||
| 199 | 6031926 | Panel-form loudspeakers | |||
| 200 | 6031921 | Loudspeaker unit | |||
| 201 | 6031920 | Coaxial dual-parabolic sound lens speaker system | |||
| 202 | 6028947 | Lightweight molded waveguide device with support infrastructure | |||
1999 | |||||
| 203 | 6003766 | Vending machine | |||
| 204 | 5991421 | Radially expanding multiple flat-surfaced waveguide device | |||
| 205 | 5970158 | Compact horn speaker | |||
| 206 | 5963640 | Radiotelephone having an acoustical wave guide coupled to a speaker | |||
| 207 | 5946403 | Directional microphone for computer visual display monitor and method for construction | |||
| 208 | 5946401 | Linear speaker array | |||
| 209 | 5937074 | High back emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround | |||
| 210 | 5932850 | Speaker system | |||
| 211 | 5929392 | Speaker system | |||
| 212 | 5907133 | Device for electroacoostic diffusion, with diaphragms, spiders and horns of balsa wood or mixtures thereof | |||
| 213 | 5898788 | Loudspeaker system | |||
| 214 | 5898138 | Loudspeaker having horn loaded driver and vent | |||
| 215 | 5890072 | Radiotelephone having a non-resonant wave guide acoustically coupled to a microphone | |||
| 216 | 5883966 | Portable telephone with a speaker having an improved acoustic characteristic | |||
| 217 | 5878148 | Compression driver | |||
| 218 | 5874695 | Speaker assembly | |||
1998 | |||||
| 219 | 5850460 | Bass speaker | |||
| 220 | 5832079 | Acoustic horn for use in cellular flip phones | |||
| 221 | 5815589 | Push-pull transmission line loudspeaker | |||
| 222 | 5802191 | Loudspeakers, systems, and components thereof | |||
| 223 | 5802190 | Linear speaker array | |||
| 224 | 5793000 | Speaker system | |||
| 225 | 5778084 | Loudspeaker with phase correction | |||
| 226 | 5742696 | Modular tweeter | |||
| 227 | 5740262 | Noise removing apparatus using a microphone | |||
| 228 | 5739480 | Speaker base for alternatively mounting different drivers | |||
| 229 | 5737435 | Sound-reproducing apparatus comprising an acoustic horn, and acoustic horn for use in the apparatus | |||
| 230 | 5729605 | Headset with user adjustable frequency response | |||
| 231 | 5714722 | Loudspeaker | |||
| 232 | 5714721 | Porting | |||
1997 | |||||
| 233 | 5689573 | Frequency-dependent amplitude modification devices for acoustic sources | |||
| 234 | 5682436 | Multipoint driving loudspeaker having repulsion magnetic-type driving unit | |||
| 235 | 5647012 | Tri-chamber speaker box | |||
| 236 | 5635686 | Composite speaker system having a directional adjustable tweeter | |||
| 237 | 5629501 | Composite speaker system having a directional adjustable transducer | |||
| 238 | 5627901 | Directional microphone for computer visual display monitor and method for construction | |||
| 239 | 5604337 | Loudspeaker arrangement in television receiver cabinet | |||
| 240 | 5602930 | Loudspeaker | |||
1996 | |||||
| 241 | 5568562 | Releasably mounted compound loudspeakers | |||
| 242 | 5548657 | Compound loudspeaker drive unit | |||
| 243 | 5526456 | Multiple-driver single horn loud speaker | |||
| 244 | 5517574 | Dual function transducer housing | |||
| 245 | 5512714 | Composite speaker system having a directional adjustable tweeter | |||
| 246 | 5501329 | Telephone handset cover | |||
1995 | |||||
| 247 | 5461676 | Device for improving bass reproduction in loudspeaker system with closed housings | |||
| 248 | 5440645 | Computer speaker | |||
| 249 | 5432857 | Dual bandpass secondary source | |||
| 250 | 5430260 | Speaker system | |||
| 251 | 5418336 | Sound output device | |||
| 252 | 5398288 | Coaxial loudspeaker system | |||
| 253 | 5388162 | Sound innovation speaker system | |||
1994 | |||||
| 254 | 5373565 | Spacer for coaxial loudspeakers | |||
| 255 | 5371428 | Piezoelectric transducer | |||
| 256 | 5367576 | Horn speaker | |||
| 257 | 5361378 | Camcorder stereo mic/phones | |||
| 258 | 5343535 | Loudspeaker device | |||
| 259 | 5343523 | Telephone headset structure for reducing ambient noise | |||
| 260 | 5339286 | Composite electroacoustic transducer | |||
| 261 | 5327504 | Device to improve the bass reproduction in loudspeaker systems using closed housings | |||
| 262 | 5325439 | Loudspeaker apparatus | |||
| 263 | 5324896 | Audio loudspeaker system | |||
| 264 | 5323466 | Tandem transducer magnet structure | |||
| 265 | 5303209 | Electroacoustic transducer having a partition wall and a mask wall | |||
| 266 | 5298690 | Sound distributor with symmetry of revolution | |||
| 267 | 5296656 | Sound collecting and concentrating device for attaching to the back of multiple loudspeakers | |||
| 268 | 5295194 | Multi-driver loudspeaker assembly | |||
| 269 | 5291559 | Computer speaker | |||
| 270 | 5289355 | Portable lighted microphone | |||
| 271 | 5285025 | Loudspeaker horn | |||
| 272 | 5284222 | Speaker cabinet | |||
| 273 | 5283836 | Planar speakers | |||
| 274 | 5282245 | Tubular bi-directional microphone with flared entries | |||
1993 | |||||
| 275 | 5268538 | Hemispherically wide-radiating-angle loudspeaker system | |||
| 276 | 5261006 | Loudspeaker system comprising a helmholtz resonator coupled to an acoustic tube | |||
| 277 | 5260681 | Paging receiver with resonant box | |||
| 278 | 5258584 | Multiple auxiliary compound driver loudspeaker system | |||
| 279 | 5249237 | Audio transducer improvements | |||
| 280 | 5243662 | Electrodynamic sound generator for hearing aids | |||
| 281 | 5233136 | Horn loadspeaker | |||
| 282 | 5230021 | Audio transducer improvements | |||
| 283 | 5229555 | Speaker system and TV with the same | |||
| 284 | 5224474 | Retrofitting gas mask voice amplifier unit with easily actuated switch means | |||
| 285 | 5224473 | Retrofitting gas mask voice amplifier unit with easily actuated switch means | |||
| 286 | 5212732 | Effects speaker system | |||
| 287 | 5193119 | Multiple loudspeaker | |||
| 288 | 5187333 | Coiled exponential bass/midrange/high frequency horn loudspeaker | |||
| 289 | 5181253 | Loudspeaker assembly | |||
1992 | |||||
| 290 | 5170435 | Waveguide electroacoustical transducing | |||
| 291 | 5168525 | Boundary-layer microphone | |||
| 292 | 5166982 | Horn speaker having a cooling device | |||
| 293 | 5164549 | Sonic wave generator | |||
| 294 | 5161200 | Microphone | |||
| 295 | 5153915 | Speaker filtering circuit and support therefor | |||
| 296 | 5148492 | Diaphragm of dynamic microphone | |||
| 297 | 5147986 | Subwoofer speaker system | |||
| 298 | 5136656 | Probe microphone | |||
| 299 | 5125732 | Motion picture exhibition facility | |||
| 300 | 5119431 | Efficiency loudspeaker | |||
| 301 | 5117462 | Phasing plug for compression driver | |||
| 302 | 5115883 | Loudspeaker | |||
| 303 | 5115882 | Omnidirectional dispersion system for multiway loudspeakers | |||
| 304 | 5111509 | Electric acoustic converter | |||
| 305 | 5109423 | Audio system with amplifier and signal device | |||
| 306 | 5105906 | Sound reproduction speaker with improved directional characteristics | |||
| 307 | 5103482 | Apparatus and method for reproducing high fidelity sound | |||
| 308 | 5099948 | Compact woofer speaker system | |||
| 309 | 5097514 | Equilateral tetrahedral speaker system | |||
| 310 | 5092424 | Electroacoustical transducing with at least three cascaded subchambers | |||
| 311 | 5082083 | Structure wall mounted speaker assembly | |||
| 312 | 5081683 | Loudspeakers | |||
1991 | |||||
| 313 | 5073945 | Loudspeaker system | |||
| 314 | 5068901 | Dual outlet passage hearing aid transducer | |||
| 315 | 5067159 | Structure of a speaker apparatus | |||
| 316 | 5062139 | Coaxial loud speaker system | |||
| 317 | 5046581 | Loudspeaker system | |||
| 318 | 5025473 | Hemispherical speaker system | |||
| 319 | 5022488 | Transducer enclosure | |||
| 320 | 5020630 | Loudspeaker and horn therefor | |||
| 321 | 5018206 | Network mounting device for coaxial type speaker | |||
| 322 | 5004067 | Cinema sound system for unperforated screens | |||
| 323 | 4996713 | Electroacoustic piezoelectric transducer having a broad operating range | |||
| 324 | 4991687 | Speaker system having directivity | |||
| 325 | 4984278 | Adjustable mount for a loudspeaker | |||
| 326 | 4982436 | Dual horn folded soundpath loudspeaker | |||
| 327 | 4981194 | Electro-acoustic transducer | |||
1990 | |||||
| 328 | 4979586 | Acoustically shielded motorcycle helmet speaker enclosure | |||
| 329 | 4977975 | Vented motorcycle helmet speaker enclosure | |||
| 330 | 4975966 | Reducing microphone puff noise | |||
| 331 | 4975965 | Loudspeaker design | |||
| 332 | 4965839 | Electro acoustic transducer and loudspeaker | |||
| 333 | 4965837 | Environmentally resistant loudspeaker | |||
| 334 | 4953223 | Speaker mounting system | |||
| 335 | 4944019 | Low sound region reproducing speaker system | |||
| 336 | 4940108 | Open line source speaker system | |||
| 337 | 4923031 | High output loudspeaker system | |||
| 338 | 4922541 | Acoustic horn audio reproducer | |||
| 339 | 4920564 | Moisture barrier assembly | |||
| 340 | 4916675 | Broadband omnidirectional electroacoustic transducer | |||
| 341 | 4897877 | Sub-woofer driver combination with dual voice coil arrangement | |||
| 342 | 4893695 | Speaker system | |||
| 343 | 4893343 | Dual diverging manifold loudspeaker system | |||
| 344 | 4890689 | Omnidirectional speaker system | |||
1989 | |||||
| 345 | 4888804 | Sound reproduction system | |||
| 346 | 4885782 | Single and double symmetric loudspeaker driver configurations | |||
| 347 | 4884655 | Tower-type speaker cabinet with pivoted plural speaker subassembly | |||
| 348 | 4882760 | Sound reproduction system | |||
| 349 | 4882562 | Adaptor for coupling plural compression drivers to a common horn | |||
| 350 | 4881265 | Apex loudspeaker | |||
| 351 | 4876723 | Loudspeaker system | |||
| 352 | 4862508 | Method for large-scale multiple source sound reinforcement | |||
| 353 | 4860369 | Flat speaker unit | |||
| 354 | 4860368 | Acoustic transducers with improved frequency response | |||
| 355 | 4860367 | Low frequency loud speaker | |||
| 356 | 4860365 | Method of fractionating the sound restoration of modulated signals in parallel mounted transducers, and sets of corresponding transducers | |||
| 357 | 4850016 | Microphone | |||
| 358 | 4847908 | Loudspeaker having a two-part diaphragm for use as a car loudspeaker | |||
| 359 | 4837839 | Compact speaker assembly with improved low frequency response | |||
| 360 | 4837833 | Microphone with frequency pre-emphasis channel plate | |||
| 361 | 4836327 | Sound reinforcement enclosure employing cone loudspeaker with annular central loading member and coaxially mounted compression driver | |||
| 362 | 4829581 | Electrodynamic transducer comprising a two-part diaphragm | |||
| 363 | 4821331 | Coaxial speaker unit | |||
| 364 | 4815560 | Microphone with frequency pre-emphasis | |||
| 365 | 4811816 | Symmetric double phonic diaphragm volume-enhancing device | |||
| 366 | 4811406 | Compound speaker system | |||
| 367 | 4805729 | Speaker enclosure | |||
| 368 | 4805221 | Construction of sound converter in sound guide, especially for loudspeakers, for example speaker boxes | |||
| 369 | 4799264 | Speaker system | |||
1988 | |||||
| 370 | 4790408 | Coiled exponential bass/midrange horn loudspeakers | |||
| 371 | 4790020 | Horn type loudspeakers | |||
| 372 | 4787472 | Audio speaker apparatus | |||
| 373 | 4783820 | Loudspeaker unit | |||
| 374 | 4777650 | Dual cavity pressure microphones | |||
| 375 | 4773091 | Telephone handset for use in noisy locations | |||
| 376 | 4763753 | Insert earphones for audiometry | |||
| 377 | 4756382 | Loudspeaker having enhanced response at bass frequencies | |||
| 378 | 4751419 | Piezoelectric oscillation assembly including several individual piezoelectric oscillation devices having a common oscillation plate member | |||
| 379 | 4742887 | Open-air type earphone | |||
| 380 | 4733749 | High output loudspeaker for low frequency reproduction | |||
| 381 | 4727586 | High fidelity speaker system and assembly | |||
| 382 | 4727583 | Telephone transducer with improved frequency response | |||
| 383 | 4720868 | Dynamic transducer device | |||
| 384 | 4718517 | Loudspeaker and acoustic transformer therefor | |||
1987 | |||||
| 385 | 4706295 | Coaxial loudspeaker system | |||
| 386 | 4704729 | Single acoustic box with spatial effect for stereophonic musical reproduction systems | |||
| 387 | 4697334 | Method of producing electroacoustic converters, preferably microphones, and converters produced according to the method | |||
| 388 | 4696037 | Loudspeaker arrangement comprising one or more flat diaphragms | |||
| 389 | 4694499 | Directional microphone with acoustic washer | |||
| 390 | 4677679 | Insert earphones for audiometry | |||
| 391 | 4672675 | Multiple speaker loudspeaker with conductive bridge | |||
| 392 | 4668842 | Headphone | |||
| 393 | 4657107 | Loudspeaker cabinet | |||
| 394 | 4654554 | Piezoelectric vibrating elements and piezoelectric electroacoustic transducers | |||
| 395 | 4646873 | Microphone and acoustic equalizer therefor | |||
| 396 | 4646872 | Earphone | |||
| 397 | 4641054 | Piezoelectric electro-acoustic transducer | |||
| 398 | 4637489 | Electroacoustic transducer | |||
| 399 | 4635748 | Speaker cabinet having interactive speakers | |||
1986 | |||||
| 400 | 4629833 | Electric hearing aid | |||
| 401 | 4624337 | Speaker enclosure | |||
| 402 | 4621708 | Tweeter bidirectional radiating | |||
| 403 | 4620605 | Suspension for electro-acoustical transducers | |||
| 404 | 4619342 | Multiple sound transducer system utilizing an acoustic filter to reduce distortion | |||
| 405 | 4607145 | Electroacoustic transducer with a piezoelectric diaphragm | |||
| 406 | 4598789 | Sound reproducing | |||
| 407 | 4593160 | Piezoelectric speaker | |||
| 408 | 4590333 | Multidriver loudspeaker | |||
| 409 | 4590332 | Phase coherent low frequency speaker | |||
| 410 | 4584702 | Noise cancelling telephone transmitter insertable in telephone handset receptacle | |||
| 411 | 4574906 | Outdoor speaker | |||
| 412 | 4572325 | Stereophonic baffle | |||
| 413 | 4572324 | Ear piece construction | |||
| 414 | 4565905 | Loudspeaker construction | |||
1985 | |||||
| 415 | 4558762 | Loudspeaker | |||
| 416 | 4554414 | Multi-driver loudspeaker | |||
| 417 | 4552242 | Coaxial type composite loudspeaker | |||
| 418 | 4539983 | Respirator speech transmitter | |||
| 419 | 4533795 | Integrated electroacoustic transducer | |||
| 420 | 4528426 | Directional microphone assembly | |||
| 421 | 4525872 | Amplifier | |||
| 422 | 4525817 | Acoustic resistor in an electroacoustic transducer | |||
| 423 | 4525604 | Horn loudspeaker with convex diaphragm | |||
| 424 | 4514599 | Speaker for automotive vehicle audio system having a vehicle panel serving as sound-amplifying medium | |||
| 425 | 4511768 | Mounting arrangement for altering a microphone's frequency response | |||
| 426 | 4504703 | Electro-acoustic transducer | |||
| 427 | 4503554 | Stereophonic balance control system | |||
| 428 | 4503553 | Loudspeaker system | |||
| 429 | 4494032 | Transducer plate for electro-acoustic transducers | |||
| 430 | 4493389 | Speaker assembly | |||
| 431 | 4492827 | Horn speaker with reduced magnetic flux leakage | |||
| 432 | 4492826 | Loudspeaker | |||
1984 | |||||
| 433 | 4485275 | Inverted horn loudspeaker | |||
| 434 | 4483414 | Sound dampening device for telephones | |||
| 435 | 4475014 | Acoustical transducer | |||
| 436 | 4468530 | Loudspeaker system | |||
| 437 | 4466505 | Sound reproducing combination | |||
| 438 | 4465905 | Loudspeaker assembly | |||
| 439 | 4451928 | Multi-speaker system for use in automobiles | |||
| 440 | 4450930 | Microphone with stepped response | |||
| 441 | 4450322 | Adjustable speaker system and method of adjustment | |||
| 442 | 4449236 | Anti-side tone transmitter | |||
| 443 | 4442323 | Microphone with vibration cancellation | |||
| 444 | 4441577 | Direction-variable speaker system | |||
| 445 | 4440259 | Loudspeaker system for producing coherent sound | |||
| 446 | 4437541 | Controlled dispersion speaker configuration | |||
| 447 | 4437540 | Loud-speaker | |||
| 448 | 4434329 | Microphone device built in a tape recorder | |||
| 449 | 4429762 | Horn loudspeakers of the sectorial diffusion type, and method for making said loudspeakers | |||
| 450 | 4429194 | Earphone | |||
| 451 | 4426556 | Electrodynamic loudspeaker | |||
| 452 | 4426553 | Vehicle loudspeaker arrangement with magnetic-field-sensitive device | |||
1983 | |||||
| 453 | 4419545 | Electret transducer | |||
| 454 | 4418248 | Dual element headphone | |||
| 455 | 4418247 | Electrodynamic transducer | |||
| 456 | 4413198 | Piezoelectric transducer apparatus | |||
| 457 | 4410770 | Directional microphone | |||
| 458 | 4410063 | Loudspeaker system | |||
| 459 | 4403120 | Earphone | |||
| 460 | 4403112 | Phase shift low frequency loudspeaker system | |||
| 461 | 4401857 | Multiple speaker | |||
| 462 | 4391346 | Loud-speaker | |||
| 463 | 4389542 | Orthodynamic headphone | |||
| 464 | 4387787 | Loudspeaker having acoustic impedance frontal loading element | |||
| 465 | 4387275 | Speaker and speaker system | |||
| 466 | 4385211 | Reflex horn speaker with a waterproofing device | |||
| 467 | 4385210 | Electro-acoustic planar transducer | |||
| 468 | 4379951 | Electro-acoustic transducer means | |||
| 469 | 4379212 | Electro-acoustic transducer | |||
| 470 | 4379211 | Arcuately tensioned piezoelectric diaphragm microphone | |||
| 471 | 4377219 | Loudspeaker having apertured acoustic impedance frontal loading element | |||
| 472 | 4376232 | Electro-acoustic transducer | |||
| 473 | 4373119 | Adjustable transducer | |||
| 474 | 4369857 | Loudspeaker and horn combination | |||
| 475 | 4368401 | Transducer plate for piezo-electrical transducers | |||
1982 | |||||
| 476 | 4365688 | Speaker cabinet | |||
| 477 | 4365114 | Automotive loudspeaker having variable speaker orientation and particular electrical connections | |||
| 478 | 4365113 | Speaker unit for automotive vehicles | |||
| 479 | 4363937 | Sound inlet for microphones | |||
| 480 | 4361736 | Pressure recording process and device | |||
| 481 | 4358642 | Electro-magnetic type electric acoustic transducer | |||
| 482 | 4357490 | High fidelity loudspeaker system for aurally simulating wide frequency range point source of sound | |||
| 483 | 4350847 | Subwoofer system using a passive radiator | |||
| 484 | 4349084 | Controlled ambience speaker system | |||
| 485 | 4349082 | Acoustical damping element and method of forming same | |||
| 486 | 4348552 | Direct/reflecting speaker system and triangular shaped enclosure | |||
| 487 | 4348549 | Loudspeaker system | |||
| 488 | 4345118 | Quartz tuning fork electro-acoustic transducer | |||
| 489 | 4337778 | Blood pressure measuring apparatus | |||
| 490 | 4336861 | Speaker system | |||
| 491 | 4331840 | Electret transducer with tapered acoustic chamber | |||
| 492 | 4330878 | Sound producing device for watches | |||
| 493 | 4328400 | Coaxial multi-way planar diaphragm type loudspeaker system | |||
| 494 | 4324313 | Exponential horn for use in horn-type loudspeakers | |||
| 495 | 4322578 | Method and devices for the omnidirectional radiation of sound waves | |||
| 496 | 4317009 | Coldproof reflex horn speaker | |||
| 497 | 4314620 | Loudspeaker with cone driven horn | |||
| 498 | 4313521 | Speaker housing | |||
| 499 | 4313032 | Folded horn loudspeaker system | |||
1981 | |||||
| 500 | 4303142 | Combined acoustical transducer and grille | |||
| 501 | 4301889 | Speaker enclosure | |||
| 502 | 4295006 | Speaker system | |||
| 503 | 4292561 | Attenuating means for electroacoustic transducer | |||
| 504 | 4289929 | Loudspeaker and enclosure combination | |||
| 505 | 4288663 | Noise canceling transmitter | |||
| 506 | 4283606 | Coaxial loudspeaker system | |||
| 507 | 4281222 | Miniaturized unidirectional electret microphone | |||
| 508 | 4280586 | Speaker enclosure | |||
| 509 | 4278852 | Earphone construction | |||
| 510 | 4270023 | Cylindrical speaker mechanism | |||
| 511 | 4268719 | Loudspeaker arrangements | |||
| 512 | 4266092 | Loudspeaker system with broad image source | |||
| 513 | 4263484 | Microphone unit | |||
| 514 | 4256930 | Loudspeaker having improved magnetic assembly | |||
| 515 | 4256198 | Acoustic apparatus | |||
| 516 | 4252211 | Loudspeaker | |||
| 517 | 4249037 | Pyramid loudspeakers with twin cross-phased mid-range speakers | |||
1980 | |||||
| 518 | 4239945 | Sealed headphone | |||
| 519 | 4227051 | Loud speaker and enclosure system | |||
| 520 | 4224469 | Stereo speaker system | |||
| 521 | 4221929 | Speaker system | |||
| 522 | 4220832 | Two-way speaker with transformer-coupled split coil | |||
| 523 | 4220831 | Intrusion sensing device | |||
| 524 | 4213515 | Speaker system | |||
| 525 | 4213008 | Loudspeaker enclosure for mid-wall location | |||
| 526 | 4211898 | Headphone with two resonant peaks for simulating loudspeaker reproduction | |||
| 527 | 4210223 | Low frequency folded exponential horn loudspeaker apparatus with bifurcated sound path | |||
| 528 | 4207963 | Loudspeaker system | |||
| 529 | 4206831 | Loudspeaker coupler | |||
| 530 | 4206830 | Vehicle speaker system provided with a passive radiator | |||
| 531 | 4204096 | Sonic transducer mounting | |||
| 532 | 4203165 | Acoustic filter | |||
| 533 | 4199657 | Planar sound reproducing speaker system | |||
| 534 | 4196790 | Acoustic transducer having multiple frequency resonance | |||
| 535 | 4190738 | Modular furniture structure | |||
| 536 | 4189627 | Electroacoustic transducer filter assembly | |||
| 537 | 4182931 | 360 Degree speakers | |||
| 538 | 4182429 | Loud-speaker system | |||
| 539 | 4181193 | Sound projection system | |||
1979 | |||||
| 540 | 4180710 | Adjustably positioned phasing plug | |||
| 541 | 4179585 | Variable ratio full range direct-reflected pyramid inclined loudspeaker | |||
| 542 | 4178473 | Two-way loudspeaker for vehicle | |||
| 543 | 4177872 | Speaker system | |||
| 544 | 4176253 | Current loaded pneumatically driven loudspeaker arrangements | |||
| 545 | 4169516 | Speaker system | |||
| 546 | 4167223 | Mechanically operable acoustic filter | |||
| 547 | 4160135 | Closed earphone construction | |||
| 548 | 4158753 | Headphone of circumaural design | |||
| 549 | 4158400 | Sound reproducing system | |||
| 550 | 4157741 | Phase plug | |||
| 551 | 4152555 | Artificial ear for telephonometric measurements | |||
| 552 | 4152552 | Horn speaker and method for producing low distortion sound | |||
| 553 | 4151378 | Electrostatic microphone with damping to improve omnidirectionality, flatten frequency response, reduce wind noise | |||
| 554 | 4150262 | Piezoelectric bone conductive in ear voice sounds transmitting and receiving apparatus | |||
| 555 | 4147899 | Broadband electromagnetic sound source with differently tuned diaphragms | |||
| 556 | 4146110 | Speaker apparatus | |||
| 557 | 4145571 | Loudspeaker enclosure with acoustically coupled loudspeaker damper | |||
| 558 | 4143738 | Loudspeaker driver unit | |||
| 559 | 4139734 | Pivoted loudspeaker enclosure with visual indicator of optimum listening position | |||
| 560 | 4138594 | Small dimension low frequency folded exponential horn loudspeaker with unitary sound path and loudspeaker system including same | |||
| 561 | 4134471 | Narrow angle cylindrical wave full range loudspeaker system | |||
1978 | |||||
| 562 | 4130174 | Loudspeaker | |||
| 563 | 4128738 | Compact transmission line loudspeaker system | |||
| 564 | 4122315 | Compact, multiple-element speaker system | |||
| 565 | 4122302 | Two way dynamic and electrostatic speaker enclosure with side vent for greater high frequency dispersion | |||
| 566 | 4119799 | Critical alignment loudspeaker system | |||
| 567 | 4117275 | Non-directional electret microphone with an air passage to balance pressures on opposite sides of the diaphragm | |||
| 568 | 4116302 | Horn loudspeaker | |||
| 569 | 4109116 | Hearing aid receiver with plural transducers | |||
| 570 | 4100371 | Loudspeaker system with phase difference compensation | |||
| 571 | 4091891 | Horn speaker | |||
| 572 | 4090040 | Hearing aid with acoustical frequency response modification | |||
| 573 | 4086445 | Telephone handset transmitter with improved output response | |||
| 574 | 4082159 | Ceramic speaker enclosure | |||
| 575 | 4078155 | Telephone apparatus for use in a conference room | |||
| 576 | 4073365 | Speaker system | |||
| 577 | 4069401 | Acoustical frictional resistance construction and apparatus for manufacturing an acoustical resistance and an associated magnetic system | |||
1977 | |||||
| 578 | 4064966 | Loudspeaker apparatus | |||
| 579 | 4063614 | Combination loudspeaker and sign holder | |||
| 580 | 4058688 | Headphone | |||
| 581 | 4054750 | Full range rotatable speaker housing with oppositely directed speakers | |||
| 582 | 4051919 | High fidelity speaker enclosure | |||
| 583 | 4050541 | Acoustical transformer for horn-type loudspeaker | |||
| 584 | 4048454 | Sonic transducer employing rigid radiating member | |||
| 585 | 4047060 | Acoustic transducer with elastomeric coupling | |||
| 586 | 4044855 | Loudspeaker device | |||
| 587 | 4037051 | Flat baffle speaker system having improved crossover | |||
| 588 | 4033431 | Acoustic crossover speaker enclosure | |||
| 589 | 4033430 | Speaker enclosure | |||
| 590 | 4031418 | Low frequency acoustical piezo-electric transducer | |||
| 591 | 4031337 | Loudspeaker | |||
| 592 | 4031318 | High fidelity loudspeaker system | |||
| 593 | 4030564 | Loud speaker with stable damping | |||
| 594 | 4028504 | Acoustic amplifier combined with transducer shock mount | |||
| 595 | 4027117 | Headphone | |||
| 596 | 4027116 | Headphone | |||
| 597 | 4027115 | Electroacoustic sound generator | |||
| 598 | 4016953 | Push-pull transducer system | |||
| 599 | 4012605 | Input/output transducer with damping arrangement | |||
| 600 | 4008374 | Loudspeaker systems | |||
| 601 | 4006371 | Electroacoustical transducer comprising piezoelectric element | |||
| 602 | 4006308 | Loudspeaker arrangement | |||
| 603 | 4002863 | Transducer and method of making same | |||
1976 | |||||
| 604 | 3999020 | Transducer with variable frequency response | |||
| 605 | 3995124 | Noise cancelling microphone | |||
| 606 | 3987245 | Compensated speaker-microphone | |||
| 607 | 3984635 | Low range loudspeaker system | |||
| 608 | 3983333 | Loud speaker system | |||
| 609 | 3982607 | Loudspeaker cabinet having an integrally constructed horn | |||
| 610 | 3980829 | Wide angle cylindrical wave loudspeaker extending approximately from floor to ceiling height with a lens | |||
| 611 | 3947646 | Resilient microphone mounting | |||
| 612 | 3943304 | Headphone operating on the two-way system | |||
| 613 | 3935925 | Horn unit for a speaker | |||
| 614 | 3931867 | Wide range speaker system | |||
| 615 | 3930560 | Damping element | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||