СПИСОК патентов США - подгруппа МПК16 H04R1/32
|
|
| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9609438 | Speaker apparatus and electronic device having the same | |||
| 2 | 9602926 | Spatial placement of audio and video streams in a dynamic audio video display device | |||
| 3 | 9602902 | Speaker mounting assembly | |||
| 4 | 9602901 | Magnetic levitation audio device | |||
| 5 | 9601132 | Method and apparatus for managing audio signals | |||
| 6 | 9601131 | Sound processing device and method | |||
| 7 | 9596391 | Gaze based directional microphone | |||
| 8 | 9591420 | Generation of individual sound zones within a listening room | |||
| 9 | 9591402 | Transmit audio in a target space | |||
| 10 | 9591229 | Image tracking control method, control device, and control equipment | |||
| 11 | 9584904 | Spherically housed loudspeaker system | |||
| 12 | 9584887 | Rigging system locking mechanism | |||
| 13 | 9571922 | Apparatus and method for controlling beamforming microphone considering location of driver seat | |||
| 14 | 9568179 | Modular stack light with central connectors | |||
| 15 | 9560442 | Portable sound system | |||
| 16 | 9560441 | Determining speaker direction using a spherical microphone array | |||
| 17 | 9560440 | Apparatus and method for detecting location of moving body, lighting apparatus, air conditioning apparatus, security apparatus, and parking lot management apparatus | |||
| 18 | 9554207 | Offset cartridge microphones | |||
| 19 | 9549255 | Sound pickup apparatus and method for picking up sound | |||
| 20 | 9549244 | Directivity control system, directivity control method, sound collection system and sound collection control method | |||
| 21 | 9544680 | Boundary microphone and boundary plate | |||
| 22 | 9544679 | Adjusting speakers using facial recognition | |||
| 23 | 9538273 | Microphone device including light emitting elements | |||
| 24 | 9537527 | User terminal apparatus | |||
2016 | |||||
| 25 | 9532140 | Listen to people you recognize | |||
| 26 | 9532133 | Dual-frequency coaxial earphone | |||
| 27 | 9530406 | Apparatus and method for recognizing voice | |||
| 28 | 9525938 | User voice location estimation for adjusting portable device beamforming settings | |||
| 29 | 9521488 | Playback device setting based on distortion | |||
| 30 | 9521487 | Calibration adjustment based on barrier | |||
| 31 | 9517732 | Headrest speaker arrangement | |||
| 32 | 9516419 | Playback device setting according to threshold(s) | |||
| 33 | 9510121 | Transducer and method of controlling the same | |||
| 34 | 9510089 | Dynamic location determination for a directionally controllable parametric emitter | |||
| 35 | 9510088 | Intrauterine device | |||
| 36 | 9503818 | Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field | |||
| 37 | 9503808 | Boundary microphone and boundary microphone adapter | |||
| 38 | 9497546 | Stereo boundary microphone and stereo boundary microphone adapter | |||
| 39 | 9497545 | Analog area speaker panel with precision placement and direction of audio radiation | |||
| 40 | 9497538 | Variable directional microphone | |||
| 41 | 9497537 | Conference apparatus | |||
| 42 | 9485574 | Spatial interference suppression using dual-microphone arrays | |||
| 43 | 9467772 | Acoustical signal generator using two transducers and a reflector with a non-flat contour | |||
| 44 | 9462372 | Unidirectional condenser microphone unit | |||
| 45 | 9439022 | Playback device speaker configuration based on proximity detection | |||
| 46 | 9439021 | Proximity detection using audio pulse | |||
| 47 | 9432784 | Method and apparatus for estimating interchannel delay of sound signal | |||
| 48 | 9426561 | Microphone arrangement with improved directional characteristic | |||
| 49 | 9426553 | Microphone array arrangement structure in vehicle cabin | |||
| 50 | 9420372 | Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field | |||
| 51 | 9420368 | Time-frequency directional processing of audio signals | |||
| 52 | 9414153 | Directivity control apparatus, directivity control method, storage medium and directivity control system | |||
| 53 | 9408011 | Automated user/sensor location recognition to customize audio performance in a distributed multi-sensor environment | |||
| 54 | 9396731 | Sound acquisition via the extraction of geometrical information from direction of arrival estimates | |||
| 55 | 9392359 | Variable directivity electret condenser microphone | |||
| 56 | 9386368 | Remote speaker microphone | |||
| 57 | 9386367 | Electronic apparatus with detachable speakers, a body unit and a control unit | |||
| 58 | 9375200 | Ultrasound transducer with differential mode signaling | |||
| 59 | 9369796 | Electronic device | |||
| 60 | 9357291 | Mass ports for tuning frequency responses | |||
| 61 | 9357280 | Apparatus having an acoustic display | |||
| 62 | 9344829 | Indication of barrier detection | |||
| 63 | 9338544 | Determination, display, and adjustment of best sound source placement region relative to microphone | |||
| 64 | 9326065 | Sound processing device, and sound processing method | |||
| 65 | 9326059 | Inflatable bubble | |||
| 66 | 9319788 | Sound processing device, and sound processing method | |||
| 67 | 9319775 | Electronic apparatus, and method of providing of sound | |||
| 68 | 9294847 | Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically | |||
| 69 | 9294832 | Apparatus | |||
| 70 | 9282399 | Listen to people you recognize | |||
| 71 | 9277311 | Controlling a speaker arrangement in a vehicle | |||
| 72 | 9271068 | Apparatus and method for a wireless extension collar device for altering operational mode of mobile and fixed end-user wireless devices by voice commands | |||
| 73 | 9264797 | Directional microphone device, acoustic signal processing method, and program | |||
| 74 | 9253578 | Directional loudspeaker | |||
| 75 | 9253562 | Vehicle loudspeaker module | |||
| 76 | 9247343 | Sound direction estimation device, sound processing system, sound direction estimation method, and sound direction estimation program | |||
| 77 | 9237398 | Motion tracked binaural sound conversion of legacy recordings | |||
| 78 | 9232301 | Coaxial speaker system having a compression chamber | |||
2015 | |||||
| 79 | 9219954 | Acoustic horn manifold | |||
| 80 | 9215523 | Audio output device | |||
| 81 | 9210499 | Spatial interference suppression using dual-microphone arrays | |||
| 82 | 9208768 | Acoustical transverse horn for controlled horizontal and vertical sound dispersion | |||
| 83 | 9204212 | Multiple aperture speaker assembly | |||
| 84 | 9180822 | Vehicle with sound wave reflector | |||
| 85 | 9179214 | Audio equipment and oscillation unit | |||
| 86 | 9173021 | Method and device for adjusting an audio beam orientation based on device location | |||
| 87 | 9167343 | Condenser stereomicrophone | |||
| 88 | 9113261 | Unidirectional condenser microphone and method for adjusting acoustic resistance | |||
| 89 | 9113260 | Parametric transducer including visual indicia and related methods | |||
| 90 | 9088849 | Loudspeaker | |||
| 91 | 9084057 | Compact acoustic mirror array system and method | |||
| 92 | 9084056 | Coaxial speaker system having a compression chamber with a horn | |||
| 93 | 9084047 | Portable sound system | |||
| 94 | 9071908 | Loudspeaker with a wave guide | |||
| 95 | 9008343 | Annular diaphragm compression driver | |||
2014 | |||||
| 96 | 8861773 | Speaker module and related electronic device | |||
| 97 | 8750540 | Omnidirectional speaker | |||
| 98 | 8682675 | Sound monitoring system for sound field selection based on stored microphone data | |||
2013 | |||||
| 99 | 8538057 | Highly directional microphone | |||
| 100 | 8528690 | Sound effect amplication diffuser | |||
2011 | |||||
| 101 | 7997381 | Speaker assembly | |||
2010 | |||||
| 102 | 7837006 | Enhanced spectrum acoustic energy projection system | |||
2009 | |||||
| 103 | 7627132 | Wind noise reduction for microphone | |||
2008 | |||||
| 104 | 7367423 | Speaker assembly with aiming device | |||
2006 | |||||
| 105 | 6981570 | Loudspeaker system with common low and high frequency horn mounting | |||
2005 | |||||
| 106 | 6957715 | Garden speaker | |||
| 107 | 6950530 | Directional loudspeaker unit | |||
| 108 | 6931143 | Thin enclosure electroacoustical transducing | |||
| 109 | 6909670 | Ultrasonic sensor assembly for a vehicle reversing radar | |||
| 110 | 6859543 | Speaker system and method for making the same | |||
| 111 | 6839445 | Piezoelectric speaker | |||
2004 | |||||
| 112 | 6831394 | Backing material for micromachined ultrasonic transducer devices | |||
| 113 | 6820718 | Acoustic reproduction device with improved directional characteristics | |||
| 114 | 6819769 | Electrolytic loudspeaker assembly | |||
| 115 | 6810127 | Clear sound side fill center fill | |||
| 116 | 6801633 | Subwoofer assembly | |||
| 117 | 6798891 | Speaker system | |||
| 118 | 6798890 | Directional microphone assembly | |||
| 119 | 6796401 | Speaker apparatus equipped with means for producing complicated waveform of low frequency with higher improved fidelity | |||
| 120 | 6788796 | Differential microphone | |||
| 121 | 6771787 | Waveguide electroacoustical transducing | |||
| 122 | 6769509 | Pole speaker | |||
| 123 | 6763110 | Sound guide for speaker and handset for mobile communication using the same | |||
| 124 | 6738483 | Overhead loudspeaker systems | |||
| 125 | 6721431 | Prismatic loudspeaker/microphone array | |||
| 126 | 6719091 | Coaxial speaker system | |||
| 127 | 6690806 | Various directional/omni-directional hearing aid microphone and housing structures | |||
| 128 | 6681023 | Radial pickup microphone enclosure | |||
| 129 | 6678381 | Ultra-directional speaker | |||
| 130 | 6674996 | Mobile phone accessory, particularly for the hands-free function, and an arrangement | |||
| 131 | 6674870 | Adjustable sound capturing device (MICTUBZ) | |||
2003 | |||||
| 132 | 6650760 | Loudspeaker | |||
| 133 | 6648098 | Spiral acoustic waveguide electroacoustical transducing system | |||
| 134 | 6647118 | Noise canceling microphone unit for composing noise canceling handset by using normal housing | |||
| 135 | 6625289 | Stereo loudspeaker system | |||
| 136 | 6603862 | Spherical loudspeaker system | |||
| 137 | 6597797 | Spherical loudspeaker system with enhanced performance | |||
| 138 | 6587569 | Differential-pressure microphone | |||
| 139 | 6585077 | Sound-producing device with acoustic waveguide | |||
| 140 | 6578660 | Speaker enclosure venturi expander | |||
| 141 | 6571909 | Loudspeaker enclosure | |||
| 142 | 6549630 | Signal expander with discrimination between close and distant acoustic source | |||
| 143 | 6533063 | Video equipment speaker device with acoustic lens | |||
| 144 | 6527080 | Passive system for speech enhancement | |||
| 145 | 6519348 | Speaker apparatus and television set | |||
| 146 | 6516072 | Loudspeaker | |||
2002 | |||||
| 147 | 6487297 | Structure of a loudspeaker | |||
| 148 | 6484843 | Speaker apparatus equipped with means for producing complicated waveform of low frequency with higher improved fidelity | |||
| 149 | 6478108 | Speaker box | |||
| 150 | 6435301 | Apparatus for the redistriabution of acoustic energy | |||
| 151 | 6430293 | Recording and play-back two-channel system for providing a holophonic reproduction of sounds | |||
| 152 | 6425456 | Hollow semicircularly curved loudspeaker enclosure | |||
| 153 | 6421444 | Embedded higher order microphone | |||
| 154 | 6418229 | Directional microphone, in particular having symmetrical directivity | |||
| 155 | 6408080 | Boundary layer microphone | |||
| 156 | 6363157 | Multiple element electroacoustic transducing | |||
| 157 | 6362726 | Sounder device which deflects sound away from a housing | |||
| 158 | 6356642 | Multi-speaker system | |||
| 159 | 6356640 | Direction adjusting arrangement for tweeter | |||
| 160 | 6343132 | Loudspeaker | |||
2001 | |||||
| 161 | 6320971 | Speaker system and a method for improving sound quality thereof | |||
| 162 | 6263083 | Directional tone color loudspeaker | |||
| 163 | 6257365 | Cone reflector/coupler speaker system and method | |||
| 164 | 6215883 | Loudspeaker with movable virtual point source | |||
2000 | |||||
| 165 | 6152257 | Audio speaker | |||
| 166 | 6125964 | Electric horn structure with the trumpet body and the resonator in one piece | |||
| 167 | 6101262 | Flush-mount pivoting speaker | |||
| 168 | 6095279 | Loudspeaker system | |||
| 169 | 6079514 | Acoustic horn transducer with a conic type diffuser having and exponential profile in wood | |||
| 170 | 6078676 | Speaker system with a three-dimensional spiral sound passage | |||
| 171 | 6070694 | Loudspeaker assembly | |||
| 172 | 6069958 | Listening apparatus for remote wildlife sound acquistion | |||
| 173 | 6068080 | Apparatus for the redistribution of acoustic energy | |||
| 174 | 6064744 | Omni-directional loudspeaker | |||
| 175 | 6062339 | Compact spiral cavity loudspeaker enclosure | |||
| 176 | 6059069 | Loudspeaker waveguide design | |||
| 177 | 6038328 | Minimization of acoustic echo effects in a microphone boot | |||
| 178 | 6031922 | Microphone systems of reduced in situ acceleration sensitivity | |||
| 179 | 6009972 | Omni-directional speaker system | |||
1999 | |||||
| 180 | 6009184 | Noise control device for a boom mounted noise-canceling microphone | |||
| 181 | 5988314 | Sound output system | |||
| 182 | 5975236 | Speaker assembly | |||
| 183 | 5969838 | System for attenuation of noise | |||
| 184 | 5963640 | Radiotelephone having an acoustical wave guide coupled to a speaker | |||
| 185 | 5953436 | Apparatus for generating an audible tone | |||
| 186 | 5952620 | Omni-directional sub-bass loudspeaker | |||
| 187 | 5949893 | Loudspeaker box | |||
| 188 | 5943431 | Loudspeaker with tapered slot coupler and sound reproduction system | |||
| 189 | 5943430 | Television stereophonic audio system | |||
| 190 | 5940347 | Directed stick radiator | |||
| 191 | 5933509 | Band pass speaker | |||
| 192 | 5929393 | Speaker cabinet with sounding board | |||
| 193 | 5925856 | Loudspeaker horn | |||
| 194 | 5900593 | Loudspeaker system | |||
| 195 | 5890072 | Radiotelephone having a non-resonant wave guide acoustically coupled to a microphone | |||
| 196 | 5889876 | Hemispherical speaker system | |||
| 197 | 5886304 | Omni-directional sound system | |||
| 198 | 5870485 | Computer visual display monitor with integral stereo speaker and directional microphone and method for construction | |||
1998 | |||||
| 199 | 5847331 | Omnidirectional loudspeaker | |||
| 200 | 5802196 | Speaker for radiating sound waves in all directions relative to a speaker supporting surface | |||
| 201 | 5802193 | Outdoor loudspeaker system | |||
| 202 | 5793876 | Method for the diffusion of a sound with a given density | |||
| 203 | 5793001 | Synchronized multiple transducer system | |||
| 204 | 5764783 | Variable beamwidth transducer | |||
| 205 | 5764782 | Acoustic reflector | |||
| 206 | 5721401 | Sub-woofer module | |||
1997 | |||||
| 207 | 5703957 | Directional microphone assembly | |||
| 208 | 5692060 | Unidirectional microphone | |||
| 209 | 5682418 | Structure for mounting a microphone on a portable radio telephone | |||
| 210 | 5673329 | Omni-directional loudspeaker system | |||
| 211 | 5651074 | Noise canceling gradient microphone assembly | |||
| 212 | 5616892 | Virtual imaging multiple transducer system | |||
| 213 | 5615176 | Acoustic reflector | |||
1996 | |||||
| 214 | 5586191 | Adjustable filter for differential microphones | |||
| 215 | 5539834 | Baffled microphone assembly | |||
| 216 | 5537480 | Sound output system | |||
| 217 | 5535284 | Woofer speaker and acoustically coupled sub-woofer speaker system | |||
| 218 | 5532438 | Acoustic imaging sound dome | |||
| 219 | 5524059 | Sound acquisition method and system, and sound acquisition and reproduction apparatus | |||
| 220 | 5488956 | Ultrasonic transducer array with a reduced number of transducer elements | |||
| 221 | 5485521 | Audio mirror speaker | |||
1995 | |||||
| 222 | 5471018 | Audio or video apparatus with a built-in loudspeaker | |||
| 223 | 5451726 | Omnidirectional speaker system | |||
| 224 | 5446793 | Method of improving the quality of sound reproduction and apparatus for carrying at least one loudspeaker emitting in three directions | |||
| 225 | 5446792 | Reflection-type speaker apparatus | |||
| 226 | 5418336 | Sound output device | |||
| 227 | 5402502 | Sound output system | |||
| 228 | 5388162 | Sound innovation speaker system | |||
1994 | |||||
| 229 | 5359664 | Loudspeaker system | |||
| 230 | 5359158 | Ceiling-mounted loudspeaker | |||
| 231 | 5335283 | Loudspeaker apparatus for electronic keyboard musical instrument | |||
| 232 | 5329593 | Noise cancelling microphone | |||
| 233 | 5327985 | Acoustical transducer enclosure | |||
| 234 | 5313514 | Hands free apparatus for land mobile radio telephone | |||
| 235 | 5306880 | Omnidirectional speaker system | |||
| 236 | 5303307 | Adjustable filter for differential microphones | |||
| 237 | 5298690 | Sound distributor with symmetry of revolution | |||
| 238 | 5283835 | Ferroelectric composite film acoustic transducer | |||
1993 | |||||
| 239 | 5274709 | Speaker device for television receiver | |||
| 240 | 5268965 | User selectable noise canceling for portable microphones | |||
| 241 | 5268538 | Hemispherically wide-radiating-angle loudspeaker system | |||
| 242 | 5266751 | Cluster of loudspeaker cabinets having adjustable splay angle | |||
| 243 | 5261006 | Loudspeaker system comprising a helmholtz resonator coupled to an acoustic tube | |||
| 244 | 5258584 | Multiple auxiliary compound driver loudspeaker system | |||
| 245 | 5249235 | Microphone with concealed port | |||
| 246 | 5226076 | Directional microphone assembly | |||
| 247 | 5225639 | Loudspeaker | |||
| 248 | 5220608 | Method and means for stereophonic sound reproduction | |||
| 249 | 5216711 | Telephone handset including directional microphone module | |||
| 250 | 5216209 | Loudspeaker system and method for disbursing sounds waves | |||
| 251 | 5214709 | Hearing aid for persons with an impaired hearing faculty | |||
| 252 | 5210802 | Acoustic imaging | |||
| 253 | 5206465 | Sound collecting and concentrating device for attaching to the back of a loudspeaker | |||
| 254 | 5204907 | Noise cancelling microphone and boot mounting arrangement | |||
1992 | |||||
| 255 | 5173942 | Audio system operable in directional and non-directional modes | |||
| 256 | 5168525 | Boundary-layer microphone | |||
| 257 | 5164549 | Sonic wave generator | |||
| 258 | 5163747 | Desk lamp stereo output device incorporated thereto | |||
| 259 | 5163167 | Sound wave guide | |||
| 260 | 5144670 | Sound output system | |||
| 261 | 5137110 | Highly directional sound projector and receiver apparatus | |||
| 262 | 5133428 | Direction-adjustable speaker system | |||
| 263 | 5131052 | Mid-range loudspeaker assembly propagating forward and backward sound waves in phase | |||
| 264 | 5129006 | Electronic audio signal amplifier and loudspeaker system | |||
| 265 | 5121426 | Loudspeaking telephone station including directional microphone | |||
| 266 | 5119421 | Stereo system cabinet with loudspeaker door assembly | |||
| 267 | 5117463 | Speaker system having directivity | |||
| 268 | 5115882 | Omnidirectional dispersion system for multiway loudspeakers | |||
| 269 | 5109416 | Dipole speaker for producing ambience sound | |||
| 270 | 5105905 | Co-linear loudspeaker system | |||
| 271 | 5103927 | Variable pattern, collapsible, directional transducer | |||
| 272 | 5093865 | Reflecting sound imaging speaker enclosure | |||
| 273 | 5086871 | Omnidirectional electro-accoustical chamber | |||
1991 | |||||
| 274 | 5073946 | Thin speaker having an enclosure with an open portion and a closed portion | |||
| 275 | 5062140 | Induction speaker | |||
| 276 | 5031220 | Mobile stereo speaker set | |||
| 277 | 5029215 | Automatic calibrating apparatus and method for second-order gradient microphone | |||
| 278 | 5025886 | Multi-ported and multi-directional loudspeaker system | |||
| 279 | 4991688 | Audio speaker system | |||
| 280 | 4991687 | Speaker system having directivity | |||
| 281 | 4991221 | Active speaker system and components therefor | |||
| 282 | 4989254 | Electro-acoustic transducer and manufacturing process | |||
| 283 | 4984653 | Loudspeaker arrangement | |||
| 284 | 4984278 | Adjustable mount for a loudspeaker | |||
1990 | |||||
| 285 | 4975966 | Reducing microphone puff noise | |||
| 286 | 4967872 | Loud speaker system | |||
| 287 | 4965775 | Image derived directional microphones | |||
| 288 | 4961226 | Stereo electroacoustical transducing | |||
| 289 | 4953223 | Speaker mounting system | |||
| 290 | 4949386 | Speaker system | |||
| 291 | 4907671 | Wide dispersion reflector | |||
| 292 | 4899390 | Thin speaker having an enclosure within an open portion and a closed portion | |||
| 293 | 4893695 | Speaker system | |||
1989 | |||||
| 294 | 4887300 | Pressure gradient microphone | |||
| 295 | 4884655 | Tower-type speaker cabinet with pivoted plural speaker subassembly | |||
| 296 | 4870691 | Load and dispersion cell for sound | |||
| 297 | 4865153 | Speaker system | |||
| 298 | 4862508 | Method for large-scale multiple source sound reinforcement | |||
| 299 | 4862507 | Microphone acoustical polar pattern converter | |||
| 300 | 4862278 | Video camera microphone with zoom variable acoustic focus | |||
| 301 | 4860363 | Loudspeaker system | |||
| 302 | 4858719 | Pressure gradient pickup | |||
| 303 | 4850452 | Loudspeaker structure | |||
| 304 | 4850016 | Microphone | |||
| 305 | 4844198 | Plane wave focusing lens | |||
| 306 | 4836329 | Loudspeaker system with wide dispersion baffle | |||
| 307 | 4836328 | Omnidirectional acoustic transducer | |||
| 308 | 4823908 | Directional loudspeaker system | |||
| 309 | 4817168 | Directional microphone | |||
| 310 | 4815559 | Portable loudspeaker apparatus for use in live performances | |||
| 311 | 4811406 | Compound speaker system | |||
| 312 | 4805731 | Sound projection method and apparatus | |||
| 313 | 4800983 | Energized acoustic labyrinth | |||
| 314 | 4799264 | Speaker system | |||
1988 | |||||
| 315 | 4789044 | Narrow directional microphone | |||
| 316 | 4787472 | Audio speaker apparatus | |||
| 317 | 4768614 | Unidirectional enhancer for microphones | |||
| 318 | 4757546 | Narrow directional microphone | |||
| 319 | 4757544 | Multi-directional speaker system | |||
| 320 | 4726444 | Sound wave control device | |||
| 321 | 4718517 | Loudspeaker and acoustic transformer therefor | |||
1987 | |||||
| 322 | 4701951 | Acoustic imager | |||
| 323 | 4694499 | Directional microphone with acoustic washer | |||
| 324 | 4685137 | Microphone with non-symmetrical directivity pattern | |||
| 325 | 4673057 | Geometrical transducer arrangements | |||
| 326 | 4635749 | Speaker enclosure | |||
1986 | |||||
| 327 | 4633045 | Differential microphone | |||
| 328 | 4625829 | Speaker grill | |||
| 329 | 4624337 | Speaker enclosure | |||
| 330 | 4620317 | Tabletop speaker assembly | |||
| 331 | 4598789 | Sound reproducing | |||
| 332 | 4597470 | Car speaker system | |||
| 333 | 4597099 | Piezoelectric transducer | |||
| 334 | 4593784 | Loudspeaker enclosure | |||
| 335 | 4588042 | Parabolic speaker | |||
| 336 | 4580655 | Defined coverage loudspeaker horn | |||
| 337 | 4580654 | Portable sound speaker system | |||
| 338 | 4570742 | Microphone apparatus | |||
| 339 | 4566557 | Flat acoustic diffuser | |||
1985 | |||||
| 340 | 4558762 | Loudspeaker | |||
| 341 | 4555598 | Teleconferencing acoustic transducer | |||
| 342 | 4553630 | Speaker with tweeter angle adjusting device | |||
| 343 | 4553628 | Speaker system | |||
| 344 | 4541188 | Reflective audio assembly and picture | |||
| 345 | 4531229 | Method and apparatus for improving binaural hearing | |||
| 346 | 4529059 | Vibrating diaphragm type audible device with acoustically improved grille and method | |||
| 347 | 4528426 | Directional microphone assembly | |||
| 348 | 4496021 | 360 Degree radial reflex orthospectral horn for high-frequency loudspeakers | |||
1984 | |||||
| 349 | 4475620 | Loudspeaker with wall reflex absorber | |||
| 350 | 4474258 | Loudspeaker enclosure and waveform energy reflector | |||
| 351 | 4466505 | Sound reproducing combination | |||
| 352 | 4463222 | Noise canceling transmitter | |||
| 353 | 4456796 | Unidirectional electret microphone | |||
| 354 | 4451928 | Multi-speaker system for use in automobiles | |||
| 355 | 4445227 | Loudspeaker having improved directional characteristics | |||
| 356 | 4441577 | Direction-variable speaker system | |||
| 357 | 4440259 | Loudspeaker system for producing coherent sound | |||
| 358 | 4437541 | Controlled dispersion speaker configuration | |||
| 359 | 4436966 | Conference microphone unit | |||
| 360 | 4433749 | Acoustic rear radiation absorption for loudspeaker systems | |||
| 361 | 4429762 | Horn loudspeakers of the sectorial diffusion type, and method for making said loudspeakers | |||
1983 | |||||
| 362 | 4421957 | End-fire microphone and loudspeaker structures | |||
| 363 | 4421200 | Elliptically shaped transducer enclosure | |||
| 364 | 4410770 | Directional microphone | |||
| 365 | 4410063 | Loudspeaker system | |||
| 366 | 4401859 | Directional microphone with high frequency selective acoustic lens | |||
1982 | |||||
| 367 | 4365114 | Automotive loudspeaker having variable speaker orientation and particular electrical connections | |||
| 368 | 4365113 | Speaker unit for automotive vehicles | |||
| 369 | 4361736 | Pressure recording process and device | |||
| 370 | 4357490 | High fidelity loudspeaker system for aurally simulating wide frequency range point source of sound | |||
| 371 | 4348750 | Energy control device | |||
| 372 | 4348552 | Direct/reflecting speaker system and triangular shaped enclosure | |||
| 373 | 4348549 | Loudspeaker system | |||
| 374 | 4340787 | Electroacoustic transducer | |||
| 375 | 4338489 | Headphone construction | |||
| 376 | 4322578 | Method and devices for the omnidirectional radiation of sound waves | |||
| 377 | 4312420 | Sound diffusion plant with very low directivity | |||
1981 | |||||
| 378 | 4301889 | Speaker enclosure | |||
| 379 | 4298087 | Unidirectional speaker enclosure | |||
| 380 | 4280019 | Combination acoustic conditioner and light fixture | |||
| 381 | 4270023 | Cylindrical speaker mechanism | |||
| 382 | 4266092 | Loudspeaker system with broad image source | |||
| 383 | 4264790 | Directional microphone | |||
| 384 | 4260928 | Electro-acoustic transducer with horn and reflector | |||
| 385 | 4258235 | Pressure gradient electret microphone | |||
| 386 | 4256922 | Stereophonic effect speaker arrangement | |||
1980 | |||||
| 387 | 4227050 | Virtual sound source system | |||
| 388 | 4225010 | Loudspeaker system | |||
| 389 | 4224467 | Corner mounted sound reproduction speaker apparatus | |||
| 390 | 4221929 | Speaker system | |||
| 391 | 4214645 | Method of and means for loudspeaker sound wave distribution | |||
| 392 | 4214298 | Combination acoustic conditioner and light fixture | |||
| 393 | 4200170 | Pyramid speaker assembly | |||
| 394 | 4194590 | Loudspeaker horn with adjustable angle of dispersion | |||
| 395 | 4192977 | Highly directional ultrasonic electret transducer | |||
| 396 | 4190739 | High-fidelity stereo sound system | |||
| 397 | 4184562 | Multi-directional assemblies for sonic logging | |||
| 398 | 4182429 | Loud-speaker system | |||
| 399 | 4181193 | Sound projection system | |||
1979 | |||||
| 400 | 4178473 | Two-way loudspeaker for vehicle | |||
| 401 | 4174469 | Adjustable directivity microphone incorporated in a tape recorder casing | |||
| 402 | 4170721 | Microphone with molded block amplifier electrostatic | |||
| 403 | 4167985 | Speaker system | |||
| 404 | 4165797 | Adjustable high frequency sound dispersion system | |||
| 405 | 4164631 | Horn loudspeaker with acoustic lens | |||
| 406 | 4155066 | Transducer structure | |||
| 407 | 4152690 | Flexible transducer mount | |||
| 408 | 4142072 | Directional/omnidirectional hearing aid microphone with support | |||
| 409 | 4134471 | Narrow angle cylindrical wave full range loudspeaker system | |||
| 410 | 4133975 | Loudspeaker system with broad image source with directionality control for the tweeter | |||
1978 | |||||
| 411 | 4116302 | Horn loudspeaker | |||
| 412 | 4112256 | Loudspeaker and stereophonic loudspeaker system | |||
| 413 | 4110583 | Earphone construction | |||
| 414 | 4107479 | Electro-acoustic transducer | |||
| 415 | 4091891 | Horn speaker | |||
| 416 | 4085289 | Loudspeaker system | |||
| 417 | 4083426 | Loud speaker apparatus | |||
| 418 | 4073365 | Speaker system | |||
| 419 | 4068091 | Binaural sound pickup | |||
1977 | |||||
| 420 | 4054750 | Full range rotatable speaker housing with oppositely directed speakers | |||
| 421 | 4054748 | Cardioid electro-acoustic radiator | |||
| 422 | 4051330 | Hearing aid having adjustable directivity | |||
| 423 | 4041251 | Hearing aid to be worn behind the ear of the user and provided with a pressure-gradient microphone | |||
| 424 | 4040503 | Horn speaker | |||
| 425 | 4038502 | Acoustic coupling structure for microphone | |||
| 426 | 4037052 | Sound pickup assembly | |||
| 427 | 4020284 | Speaker system | |||
| 428 | 4014597 | Speaker enclosures | |||
| 429 | 4010821 | Omnidirectional sympathetically driven sound reproduction device | |||
| 430 | 4009355 | Reversible anti-noise microphone | |||
| 431 | 4006317 | Electrostatic transducer and acoustic and electric signal integrator | |||
| 432 | 4006311 | Stereophonic sound reproducing apparatus | |||
| 433 | 4006308 | Loudspeaker arrangement | |||
1976 | |||||
| 434 | 3995124 | Noise cancelling microphone | |||
| 435 | 3989905 | Microphone | |||
| 436 | 3983333 | Loud speaker system | |||
| 437 | 3982142 | Piezoelectric transducer assembly and method for generating a cone shaped radiation pattern | |||
| 438 | 3975599 | Directional/non-directional hearing aid | |||
| 439 | 3972385 | Horn speaker | |||
| 440 | 3964571 | Acoustic system | |||
| 441 | 3963881 | Unidirectional condenser microphone | |||
| 442 | 3961684 | Omni-directional sound system | |||
| 443 | 3944757 | High-fidelity moving-coil loudspeaker | |||
| 444 | 3940575 | Directional microphone | |||
| 445 | 3938617 | Speaker enclosure | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||