СПИСОК патентов США - подгруппа МПК16 H04R1/20
|
|
| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9609414 | Earphone with at least one air orifice | |||
| 2 | 9609412 | Bone-conduction anvil and diaphragm | |||
| 3 | 9602928 | Speaker system having a sound collection unit for combining sound waves | |||
| 4 | 9584902 | Dynamic microphone and method of forming back-side air chamber | |||
| 5 | 9579745 | Systems and methods for enhancing performance of a microphone | |||
| 6 | 9560441 | Determining speaker direction using a spherical microphone array | |||
| 7 | 9560439 | Methods, systems, and computer readable media for source and listener directivity for interactive wave-based sound propagation | |||
| 8 | 9549237 | Ring radiator compression driver features | |||
| 9 | 9538282 | Acoustically transparent waveguide | |||
2016 | |||||
| 10 | 9525931 | Playback based on received sound waves | |||
| 11 | 9510117 | Device for measuring sound level | |||
| 12 | 9510086 | Earphone having an acoustic tuning mechanism | |||
| 13 | 9503817 | Sound reproduction device | |||
| 14 | 9473848 | Transmission line loudspeaker | |||
| 15 | 9473847 | Acoustic apparatus | |||
| 16 | 9462373 | Loudspeaker and manufacturing method thereof | |||
| 17 | 9451348 | Electronic device housing | |||
| 18 | 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 | |||
| 19 | 9445194 | Sound source separating apparatus, sound source separating program, sound pickup apparatus, and sound pickup program | |||
| 20 | 9432773 | Speaker and audio-visual system | |||
| 21 | 9432772 | Methods and apparatus for porting loudspeakers to an earpiece | |||
| 22 | 9432756 | Feedback enclosure and feedback system for a transducer of an electronic device | |||
| 23 | 9426576 | Loudspeaker and electrodynamic acoustic transducer with bulbous waveguide tip | |||
| 24 | 9426553 | Microphone array arrangement structure in vehicle cabin | |||
| 25 | 9402126 | Earphone with passive radiator | |||
| 26 | 9392362 | Microphone disruption apparatus and method | |||
| 27 | 9392357 | Method and apparatus for enhanced stimulation of the limbic auditory response | |||
| 28 | 9380377 | Directional MEMS microphone and receiver device | |||
| 29 | 9351059 | Orthogonal open back speaker system | |||
| 30 | 9338545 | Acoustic wave conductor for mobile devices | |||
| 31 | 9326059 | Inflatable bubble | |||
| 32 | 9326056 | Receptacle for low-voltage electronic devices | |||
| 33 | 9326055 | Apparatus and method for providing a loudspeaker-enclosure-microphone system description | |||
| 34 | 9319776 | Acoustic manipulator element | |||
| 35 | 9319773 | Audio bass resonator | |||
| 36 | 9307323 | System and method for bass enhancement | |||
| 37 | 9307314 | Electronic device with side acoustic emission type speaker device | |||
| 38 | 9288560 | Branched acoustic device | |||
| 39 | 9282398 | Speaker system having wide bandwidth and wide high-frequency dispersion | |||
| 40 | 9277306 | Integrated speaker enclosures for electronic devices | |||
| 41 | 9271067 | Transducer apparatus having a mechanical acoustic filter with movable blocking member | |||
| 42 | 9264796 | Electrically conductive membrane pump/transducer and methods to make and use same | |||
| 43 | 9264795 | Electrically conductive membrane pump/transducer and methods to make and use same | |||
| 44 | 9253562 | Vehicle loudspeaker module | |||
| 45 | 9232316 | Optically clear diaphragm for an acoustic transducer and method for making same | |||
| 46 | 9232300 | Bass reflex port and tubular body | |||
2015 | |||||
| 47 | 9226058 | Media assembly for a structural support | |||
| 48 | 9208768 | Acoustical transverse horn for controlled horizontal and vertical sound dispersion | |||
| 49 | 9185492 | Systems and methods for acousto-haptic speakers | |||
| 50 | 9179220 | Life safety device with folded resonant cavity for low frequency alarm tones | |||
| 51 | 9173018 | Acoustic filter | |||
| 52 | 9161119 | Phi-based enclosure for speaker systems | |||
| 53 | 9161118 | Earphone having an acoustic tuning mechanism | |||
| 54 | 9154876 | Apparatus and method for generating an acoustic radiation pattern | |||
| 55 | 9154869 | Speaker with a large volume chamber and a smaller volume chamber | |||
| 56 | 9135908 | Dual resonator chamber with variable volume | |||
| 57 | 9131301 | Speaker enclosure and method for fabricating the same | |||
| 58 | 9124977 | Apparatus for use in portable devices | |||
| 59 | 9113244 | Loudspeaker for eliminating a frequency response dip | |||
| 60 | 9111521 | Modular acoustic horns and horn arrays | |||
| 61 | 9100751 | Docking station having structure for sound amplification and sound quality enhancement | |||
| 62 | 9094763 | Ported speaker and circuit board | |||
| 63 | 9094743 | Acoustic transducers | |||
| 64 | 9089872 | Ultrasonic transducer element chip, probe, electronic instrument, and ultrasonic diagnostic device | |||
| 65 | 9078064 | Earphone assembly with moisture resistance | |||
| 66 | 9055360 | Sonic projector system | |||
| 67 | 9049517 | Transmission line loudspeaker | |||
| 68 | 9025805 | Condenser microphone | |||
| 69 | 9020178 | Drive unit mounting arrangement and loudspeaker | |||
| 70 | 8995674 | Multiple superimposed audio frequency test system and sound chamber with attenuated echo properties | |||
| 71 | 8991549 | Three-dimensional air-adsorbing structure | |||
| 72 | 8989419 | Phase plug with axially twisted radial channels | |||
| 73 | 8983104 | Ring-shaped speaker having two voice coils and control member | |||
| 74 | 8971974 | Cover for hand-held electronic device | |||
| 75 | 8965033 | Acoustic optimization | |||
| 76 | 8965025 | Micro-speaker box | |||
| 77 | 8965024 | Compact low frequency audio transducer | |||
| 78 | 8953830 | Horn loudspeaker and a sound source | |||
| 79 | 8938084 | Speaker device, sound source simulation system, and echo cancellation system | |||
| 80 | 8929580 | 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 | |||
2014 | |||||
| 81 | 8917896 | Automated customization of loudspeakers | |||
| 82 | 8917881 | Enclosure-less loudspeaker system | |||
| 83 | 8891784 | Microphone assembly for use with an aftermarket telematics unit | |||
| 84 | 8887862 | Phase plug device | |||
| 85 | 8885863 | Loudspeaker device | |||
| 86 | 8848964 | Audio-bypass, safety earbud apparatus and method | |||
| 87 | 8848961 | Speaker box with U-shaped bending channels | |||
| 88 | 8842867 | Loudspeaker box with a variable radiation characteristic | |||
| 89 | 8842866 | Loudspeaker system with reduced rear sound radiation | |||
| 90 | 8842865 | Loudspeaker system and waveshaping unit | |||
| 91 | 8837768 | Electro-acoustic transducer enclosure | |||
| 92 | 8837767 | Loudspeaker system | |||
| 93 | 8831262 | Directional audio waveguide array | |||
| 94 | 8818006 | Speaker system, electronic apparatus using same, and mobile body device | |||
| 95 | 8807268 | Loudspeaker | |||
| 96 | 8807267 | Self resonance-type sound-producing speaker and method of placing thereof | |||
| 97 | 8804994 | Speaker enclosure forming part of the speaker to aid in disassembly of speaker components | |||
| 98 | 8804991 | Loudspeaker assembly and system | |||
| 99 | 8804990 | Portable apparatus | |||
| 100 | 8804989 | Flexible resonance unit for a speaker | |||
| 101 | 8798310 | Optically clear diaphragm for an acoustic transducer and method for making same | |||
| 102 | 8798302 | Flat panel loudspeakers | |||
| 103 | 8794373 | Three-dimensional air-adsorbing structure | |||
| 104 | 8781146 | Combined passive acoustic speaker and stand | |||
| 105 | 8780673 | Digital speaker apparatus | |||
| 106 | 8774437 | Speaker box and speaker device | |||
| 107 | 8767993 | Housing for microphone arrays and multi-sensor devices for their size optimization | |||
| 108 | 8767992 | Mobile media device case/attachment for providing passive acoustic boosting | |||
| 109 | 8761432 | Speaker module and electronic device employing same | |||
| 110 | 8755552 | Speaker system with at least two codirectional channels | |||
| 111 | 8750550 | MEMS microphone | |||
| 112 | 8750549 | Resonator system for a speaker of an electronic device | |||
| 113 | 8744108 | Balanced momentum inertial duct | |||
| 114 | 8737665 | Negative pressure earphone | |||
| 115 | 8737662 | Noise mitigating microphone attachment | |||
| 116 | 8737660 | Electric horn | |||
| 117 | 8731224 | Acoustic structure including helmholtz resonator | |||
| 118 | 8724841 | Microphone with acoustic mesh to protect against sudden acoustic shock | |||
| 119 | 8717848 | Ultrasound probe | |||
| 120 | 8712086 | Acoustic reconfiguration devices and methods | |||
| 121 | 8712079 | Piezoelectric speaker and method of manufacturing the same | |||
| 122 | 8699738 | Speaker system with resonance frequency approximately identical to the peak frequency of the sound pressure | |||
| 123 | 8699737 | Cooling system for loudspeaker transducers | |||
| 124 | 8687836 | Loudspeaker system | |||
| 125 | 8675903 | Acoustic porting for a portable communication device | |||
| 126 | 8670588 | Handheld device assembly | |||
| 127 | 8649544 | Phasing plug for a compression driver | |||
| 128 | 8644544 | Dynamic microphone unit and dynamic microphone | |||
| 129 | 8638968 | Low-profile loudspeaker driver and enclosure assembly | |||
| 130 | 8630435 | Apparatus incorporating an adsorbent material, and methods of making same | |||
| 131 | 8625809 | Switchable attenuation circuit for MEMS microphone systems | |||
2013 | |||||
| 132 | 8611576 | Adaptive noise generating device | |||
| 133 | 8594358 | Passive acoustical radiating | |||
| 134 | 8588450 | Annular ring acoustic transformer | |||
| 135 | 8565463 | Loudspeaker system | |||
| 136 | 8538059 | Ear speaker device | |||
| 137 | 8532323 | Earphone assembly with moisture resistance | |||
| 138 | 8528690 | Sound effect amplication diffuser | |||
| 139 | 8526655 | Loudspeaker enclosures for mounting in an aperture in a cavity wall | |||
| 140 | 8526654 | Acoustic wave generation device and equipment including a plurality of such devices | |||
| 141 | 8511422 | Flexible multiple speaker support apparatus | |||
| 142 | 8503700 | Piezoelectric acoustic transducer | |||
| 143 | 8498437 | Panel opening and closing structure of electric operation apparatus | |||
| 144 | 8488826 | Horn enclosure for combining sound output | |||
| 145 | 8462977 | Loudspeaker with magnetic elements fixedly provided on diaphragm | |||
| 146 | 8457341 | Sound reproduction with improved low frequency characteristics | |||
| 147 | 8452038 | Multi-throat acoustic horn for acoustic filtering | |||
| 148 | 8434493 | Adjustable mouth shield device | |||
| 149 | 8428296 | Bobbin and loudspeaker using the same | |||
| 150 | 8428291 | Speaker system with subwoofer | |||
| 151 | 8428284 | Loudspeaker with passive low frequency directional control | |||
| 152 | 8428283 | Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker | |||
| 153 | 8422725 | Bobbin and loudspeaker using the same | |||
| 154 | 8422723 | Loudspeaker and electronic device including loudspeaker | |||
| 155 | 8422713 | Spherically housed loudspeaker system | |||
| 156 | 8411892 | Aesthetic linear speaker assembly | |||
| 157 | 8406450 | Thermoacoustic device with heat dissipating structure | |||
| 158 | 8406445 | Loudspeaker system with extended constant vertical beamwidth control | |||
| 159 | 8401217 | Extreme low frequency acoustic measurement system | |||
| 160 | 8401216 | Acoustic traveling wave tube system and method for forming and propagating acoustic waves | |||
| 161 | 8397861 | Diaphragm surround | |||
| 162 | 8396241 | Reflector structure, sound field adjusting method, columnar reflector structure, room, program, and various acoustic room designing system | |||
| 163 | 8391528 | Loudspeaker slotted duct port | |||
| 164 | 8391510 | Sound reproduction system comprising a loudspeaker enclosure with ports, and associated processing circuit | |||
| 165 | 8385586 | Flat loudspeaker structure | |||
| 166 | 8358798 | Passive directional acoustic radiating | |||
| 167 | 8356689 | Structure for the compositely formed sound box | |||
| 168 | 8351630 | Passive directional acoustical radiating | |||
| 169 | 8351629 | Waveguide electroacoustical transducing | |||
| 170 | 8345909 | Loudspeaker assembly | |||
2012 | |||||
| 171 | 8340337 | Loudspeaker module | |||
| 172 | 8335333 | Speaker system | |||
| 173 | 8320599 | Resonator system for a speaker of an electronic device | |||
| 174 | 8301188 | Electronic devices including substrate mounted acoustic actuators and related methods and mobile radiotelephones | |||
| 175 | 8300870 | Variable directional microphone assembly and method of making the microphone assembly | |||
| 176 | 8295537 | Loudspeaker moment and torque balancing | |||
| 177 | 8295536 | Moving magnet levered loudspeaker | |||
| 178 | 8295526 | Low frequency enclosure for video display devices | |||
| 179 | 8284976 | Sound reproduction with improved performance characteristics | |||
| 180 | 8280091 | Dual compression drivers and phasing plugs for compression drivers | |||
| 181 | 8275164 | Speaker enclosures | |||
| 182 | 8265320 | Loudspeaker | |||
| 183 | 8260343 | Electronic devices including vertically mounted loudspeakers and related assemblies and methods | |||
| 184 | 8254615 | Loudspeaker with acoustic speaker lens | |||
| 185 | 8254613 | Speaker apparatus | |||
| 186 | 8254603 | Speaker apparatus and method for driving speaker | |||
| 187 | 8249268 | Woofer-less and enclosure-less loudspeaker system | |||
| 188 | 8233353 | Multi-sensor sound source localization | |||
| 189 | 8224010 | Sound reproduction apparatus for varying sound transmission and a corresponding method thereof | |||
| 190 | 8224009 | Audio system with synthesized positive impedance | |||
| 191 | 8213658 | Acoustical horn | |||
| 192 | 8199953 | Multi-aperture acoustic horn | |||
| 193 | 8194905 | Coherent wave full spectrum acoustic horn | |||
| 194 | 8194904 | Speaker system with broad directivity | |||
| 195 | 8189851 | Optically clear diaphragm for an acoustic transducer and method for making same | |||
| 196 | 8189841 | Acoustic passive radiating | |||
| 197 | 8180075 | Arrangement for variable bass reflex cavities | |||
| 198 | 8175311 | Electroacoustic waveguide transducing | |||
| 199 | 8170254 | Low profile loudspeaker | |||
| 200 | 8170219 | Size adjustable device and method | |||
| 201 | 8160285 | Waveguide unit | |||
| 202 | 8155363 | Electrical horn | |||
| 203 | 8155339 | Air-droppable loudspeaker | |||
| 204 | 8151929 | Acoustic waveguide vibration damping | |||
| 205 | 8150072 | Vibration generator for electronic device having speaker driver and counterweight | |||
| 206 | 8144900 | Speaker system | |||
| 207 | 8141675 | Micro-speaker | |||
| 208 | 8139805 | Speaker apparatus | |||
| 209 | 8139794 | Speaker devices | |||
| 210 | 8135163 | Balanced armature with acoustic low pass filter | |||
| 211 | 8135156 | Sound reproduction device with enhanced low-frequency sound effect | |||
| 212 | 8131001 | Speaker diaphragm and electrodynamic loudspeaker using the same | |||
| 213 | 8130994 | Waveguide | |||
| 214 | 8130973 | Superdirectional acoustic system and projector | |||
| 215 | 8121316 | Phase plug | |||
| 216 | 8111868 | Speaker device | |||
| 217 | 8111854 | Methods and apparatus for sound production | |||
| 218 | 8111853 | Dual mode earphone with acoustic equalization | |||
| 219 | 8111836 | System and method using a phased array of acoustic generators for producing an adaptive null zone | |||
| 220 | 8103037 | System for producing the parameters of a bass-enhanced loudspeaker enclosure | |||
| 221 | 8103035 | Portable audio system having waveguide structure | |||
| 222 | 8098869 | Loudspeaker damper, manufacturing method thereof, and loudspeaker and electronic device using the same | |||
| 223 | 8094855 | Inverse horn loudspeakers | |||
| 224 | 8090140 | Speaker and method of outputting acoustic sound | |||
| 225 | 8090131 | Steerable acoustic waveguide | |||
2011 | |||||
| 226 | 8077898 | Dual-frequency coaxial earphones | |||
| 227 | 8077897 | Phasing plug | |||
| 228 | 8073168 | Compact open baffle speaker system | |||
| 229 | 8064629 | Decorative loudspeaker grille | |||
| 230 | 8050442 | Cascaded transducer array arrangement for control over an acoustic pressure gradient through a horn | |||
| 231 | 8050441 | Portable speakers | |||
| 232 | 8041064 | Card type MEMS microphone | |||
| 233 | 8036411 | Portable communication tool | |||
| 234 | 8036408 | Phasing plug for a compression driver | |||
| 235 | 8031897 | System and method for reduced baffle vibration | |||
| 236 | 8031896 | Passive acoustic radiating | |||
| 237 | 8031895 | Driver and enclosure combination | |||
| 238 | 8002078 | Acoustic waveguide vibration damping | |||
| 239 | 7991181 | Loudspeaker system | |||
| 240 | 7991175 | Method and a system to adjust the acoustical performance of a loudspeaker | |||
| 241 | 7978872 | Driver for a speaker | |||
| 242 | 7974431 | Speaker system | |||
| 243 | 7970160 | Speaker apparatus | |||
| 244 | 7961900 | Communication device with single output audio transducer | |||
| 245 | 7953240 | Loudspeaker apparatus | |||
| 246 | 7940953 | Magnetic membrane suspension | |||
| 247 | 7940952 | Electro-acoustic transducer | |||
| 248 | 7938223 | Sintered elements and associated systems | |||
| 249 | 7929726 | Planar diaphragm acoustic loudspeaker | |||
| 250 | 7925035 | Speakerbox | |||
| 251 | 7912238 | Speaker attenuation system, method and apparatus | |||
| 252 | 7912234 | Acoustic projector for propagating a low dispersion sound field | |||
| 253 | 7894614 | System and method for achieving extended low-frequency response in a loudspeaker system | |||
| 254 | 7886869 | Acoustic waveguide mode controlling | |||
| 255 | 7885418 | Acoustic actuator and passive attenuator incorporating a lightweight acoustic diaphragm with an ultra low resonant frequency coupled with a shallow enclosure of small volume | |||
2010 | |||||
| 256 | 7845462 | Wide frequency range horn with modular method for reducing diffraction effects | |||
| 257 | 7840022 | Speaker device | |||
| 258 | 7835537 | Loudspeaker including slotted waveguide for enhanced directivity and associated methods | |||
| 259 | 7826633 | Speaker cover | |||
| 260 | 7826627 | Wagering game with user volume control | |||
| 261 | 7802650 | Combination midrange and high frequency horn | |||
| 262 | 7796775 | Spherically housed loudspeaker system | |||
| 263 | 7796773 | Communication device comprising sound-conveying means for two sound-producing modes | |||
| 264 | 7778431 | Sound enhancing stands for portable audio devices | |||
| 265 | 7764806 | Speaker set with acoustically vented enclosures | |||
| 266 | 7760899 | Subwoofer with cascaded array of drivers arranged with staggered spacing | |||
| 267 | 7751581 | Public address system with adjustable directivity | |||
| 268 | 7743878 | Folded horn enclosure with unitary pathway | |||
| 269 | 7735599 | Sound wave guide structure for speaker system and horn speaker | |||
| 270 | 7699139 | Diaphragm surround | |||
| 271 | 7686129 | Acoustic horn having internally raised geometric shapes | |||
| 272 | 7676362 | Method and apparatus for enhancing loudness of a speech signal | |||
| 273 | 7668331 | Fidelity speaker | |||
| 274 | 7664283 | Devices and transducers with cavity resonator to control 3-D characteristics/harmonic frequencies for all sound/sonic waves | |||
| 275 | 7654362 | Speaker and method of outputting acoustic sound | |||
| 276 | 7650006 | Method to generate a plane acoustic wave front, a plane wave channel, a loudspeaker construction and a linear loudspeaker array | |||
2009 | |||||
| 277 | 7623670 | Waveguide electroacoustical transducing | |||
| 278 | 7610991 | Speaker and method of outputting acoustic sound | |||
| 279 | 7606384 | Spiral line array loudspeaker | |||
| 280 | 7606383 | Curved line array loudspeaker | |||
| 281 | 7567848 | Speaker apparatus and a computer system incorporating same | |||
| 282 | 7558395 | Loudspeaker | |||
| 283 | 7551519 | Passive long range acoustic sensor | |||
| 284 | 7536024 | Loudspeaker | |||
| 285 | 7526094 | Normalization and calibration of microphones in sound-intensity probes | |||
| 286 | 7525794 | Expandable acoustic chamber for computer systems | |||
| 287 | 7520368 | Horizontally folded reflex-ported bass horn enclosure | |||
| 288 | 7513332 | Convertible folded horn enclosure with improved compactness | |||
| 289 | 7510049 | Acoustic transformer and method for transforming sound waves | |||
| 290 | 7508933 | Resonance chamber of a cellular phone | |||
| 291 | 7505602 | Mobile device with improved acoustic porting | |||
| 292 | 7503422 | Expandable speaker enclosure | |||
| 293 | 7502485 | Loudspeaker, loudspeaker module, and electronic equipment using the loudspeaker module | |||
| 294 | 7477755 | Speaker system | |||
2008 | |||||
| 295 | 7454030 | Subwoofer with cascaded linear array of drivers | |||
| 296 | 7454025 | Loudspeaker with internal negative stiffness mechanism | |||
| 297 | 7450733 | Speaker with externally mounted acoustic extension | |||
| 298 | 7448467 | Acoustic enclosures | |||
| 299 | 7433484 | Acoustic vibration sensor | |||
| 300 | 7426280 | Electroacoustic waveguide transducing | |||
| 301 | 7410029 | Bass reflex type loudspeaker apparatus, loudspeaker box and image display apparatus | |||
| 302 | 7367423 | Speaker assembly with aiming device | |||
| 303 | 7360626 | Audio speaker with wobble free voice coil movement | |||
2007 | |||||
| 304 | 7272422 | Portable electronic device | |||
| 305 | 7270215 | Loudspeaker enclosure with damping material laminated within internal shearing brace | |||
| 306 | 7268467 | Acoustic transducer | |||
| 307 | 7184562 | Loudspeaker apparatus | |||
| 308 | 7178629 | Electroacoustic public address unit with acoustic horn or waveguide | |||
| 309 | 7167415 | Transducers for focusing sonic energy in transmitting and receiving device | |||
2006 | |||||
| 310 | 7155021 | Loudspeaker having an acoustic panel and an electrical driver | |||
| 311 | 7151836 | Speaker apparatus and sound reproduction apparatus | |||
| 312 | 7134523 | System for integrating mid-range and high-frequency acoustic sources in multi-way loudspeakers | |||
| 313 | 7130438 | Acoustic enclosure for single audio transducer | |||
| 314 | 7123735 | Method and apparatus to increase acoustic separation | |||
| 315 | 7050600 | Speaker system, mobile terminal device, and electronic device | |||
| 316 | 7044265 | Constant directivity acoustic horn | |||
| 317 | 7035419 | Anti-resonant structure for speakers | |||
| 318 | 6996030 | Apparatus and method for minimizing reception nulls in heterodyned ultrasonic signals | |||
2005 | |||||
| 319 | 6870942 | Loudspeaker for line array sound system | |||
| 320 | 6870941 | Dipole radiating dynamic speaker | |||
2003 | |||||
| 321 | 6668067 | Electroacoustic transducer | |||
2002 | |||||
| 322 | 6411866 | Digital transmission and control system for vehicles | |||
2001 | |||||
| 323 | 6272360 | Remotely installed transmitter and a hands-free two-way voice terminal device using same | |||
1999 | |||||
| 324 | 6002780 | Audio speaker having rotatable tweeter | |||
| 325 | 5887068 | Multi-driver in-phase bipolar array loudspeaker | |||
1998 | |||||
| 326 | 5739763 | Method for controlling electronic appliance capable of suppressing user's irritation | |||
1996 | |||||
| 327 | 5502772 | Speaker having improved sound square, sound bank, sound angle, sound wedge and sound radiators | |||
1985 | |||||
| 328 | 4496022 | System for interrelating sound transducers or sound sources and their environment | |||
1979 | |||||
| 329 | 4173267 | Speaker cabinet | |||
1977 | |||||
| 330 | 4051919 | High fidelity speaker enclosure | |||
| 331 | 4031318 | High fidelity loudspeaker system | |||
| 332 | 4029170 | Radial sound port speaker | |||
1976 | |||||
| 333 | 3985960 | Stereophonic sound reproduction with acoustically matched receiver units effecting flat frequency response at a listener's eardrums | |||
| 334 | 3985200 | Background sound system and apparatus for masking speech | |||
| 335 | 3982607 | Loudspeaker cabinet having an integrally constructed horn | |||
| 336 | 3962544 | Sound reproducing devices | |||
| 337 | 3940576 | Loudspeaker having sound funnelling element | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||