СПИСОК патентов США - подгруппа МПК16 H04R9/00
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| № п/п | Номер патента | Название патента | |||
2016 | |||||
| 1 | 9510100 | Energy converter, speaker, and method of manufacturing energy converter | |||
| 2 | 9479874 | Speaker and edge structure thereof | |||
| 3 | 9473838 | Dust protection of sound transducer | |||
| 4 | 9445201 | Inverted dual coil transducer | |||
| 5 | 9432775 | Energy conversion apparatus | |||
| 6 | 9398376 | Electroacoustic transducer | |||
| 7 | 9392370 | Voice coil speaker | |||
| 8 | 9310485 | Compact, energy-efficient ultrasound imaging probes using CMUT arrays with integrated electronics | |||
| 9 | 9294844 | Voice coil speaker | |||
| 10 | 9277304 | Magnetic circuit for loudspeaker, and loudspeaker using same | |||
| 11 | 9258648 | Levered loudspeakers | |||
| 12 | 9241226 | Uncomfortableness threshold value estimation system and method, and a program thereof; hearing aid adjustment system; and uncomfortableness threshold value processing circuit | |||
| 13 | 9241213 | Acoustic transducer | |||
2015 | |||||
| 14 | 9215533 | Uncomfortable sound pressure determination system, method and program thereof, hearing aid adjustment system, and uncomfortable sound pressure determination apparatus | |||
| 15 | 9210512 | Flat-type speaker having plurality of magnetic circuits which are horizontally connected | |||
| 16 | 9185493 | Method and apparatus for computing metric values for loudspeaker protection | |||
| 17 | 9173036 | Manufacturing method for narrow-type diaphragm and thin-type diaphragm, speaker-use diaphragm manufactured using same manufacturing method, speaker, electronic apparatus, and movable device | |||
| 18 | 9106987 | Handling power dissipation in a multi microspeaker module | |||
| 19 | 8976627 | Micro-geophone | |||
| 20 | 8947980 | Micro-geophone | |||
2014 | |||||
| 21 | 8855356 | Dual ring magnet apparatus | |||
| 22 | 8842873 | Loudspeaker with an inverted motor | |||
| 23 | 8737675 | Speaker unit including diaphragm having a voice coil attached thereto | |||
| 24 | 8733494 | Coil retention systems for implantable medical devices | |||
| 25 | 8677616 | Method for production of electrical conductors | |||
| 26 | 8666104 | Lighting and audio communication system | |||
2013 | |||||
| 27 | 8406438 | Device and method for the excitation and/or damping and/or detection or structural oscillations of a plate-shaped device using a piezoelectric strip device | |||
| 28 | 8385586 | Flat loudspeaker structure | |||
2012 | |||||
| 29 | 8340329 | Piezoelectric speaker | |||
| 30 | 8305845 | Methods and systems for seismic signal detection | |||
| 31 | 8300869 | Lighting and audio communication system | |||
| 32 | 8295537 | Loudspeaker moment and torque balancing | |||
| 33 | 8125852 | Methods and systems for seismic signal detection | |||
| 34 | 8098546 | Geophone having improved sensitivity | |||
2010 | |||||
| 35 | 7773766 | Cord bush and control box for microphone | |||
2009 | |||||
| 36 | 7639566 | Geophone securement mechanism | |||
| 37 | 7558399 | Vibrating plate of dynamic microphone and method of manufacturing the same | |||
| 38 | 7508953 | Loudspeaker and components for use in construction thereof | |||
| 39 | 7480390 | Loudspeaker edge | |||
2008 | |||||
| 40 | 7319772 | Speaker device for improving mid/high-range frequencies | |||
2007 | |||||
| 41 | 7289627 | Hinge, and opening/closing type portable terminal device having the same | |||
| 42 | 7239712 | Inductor-based MEMS microphone | |||
2006 | |||||
| 43 | 7099235 | Geophone and method of manufacturing a geophone | |||
2005 | |||||
| 44 | 6965679 | Equalizable electro-acoustic device used in commercial panels and method for converting said panels | |||
| 45 | 6961438 | Loudspeaker system having wide-directional characteristics | |||
| 46 | 6956957 | Loudspeakers | |||
| 47 | 6956953 | Electroacoustic transducer with field replaceable diaphragm carrying two interlaced coils, without manipulating any wires | |||
| 48 | 6944310 | Speaker apparatus | |||
| 49 | 6942741 | Iron alloy strip for voice coil motor magnetic circuits | |||
| 50 | 6940992 | Push-push multiple magnetic air gap transducer | |||
| 51 | 6940991 | Damper for loudspeaker and method for manufacturing same | |||
| 52 | 6934402 | Planar-magnetic speakers with secondary magnetic structure | |||
| 53 | 6931140 | Electro-acoustic transducer with two diaphragms | |||
| 54 | 6929092 | Speaker diaphragm | |||
| 55 | 6917690 | Electromagnetic transducer having multiple magnetic air gaps whose magnetic flux is in a same direction | |||
| 56 | 6917270 | Electromagnetic actuator and structure for mounting the same | |||
| 57 | 6914998 | Speaker apparatus | |||
| 58 | 6912292 | Concentric co-planar multiband electro-acoustic converter | |||
| 59 | 6909788 | Speaker voice coil bobbin and method of manufacturing same | |||
| 60 | 6907955 | Electromagnetic electroacoustic transducer | |||
| 61 | 6904158 | Speaker apparatus | |||
| 62 | 6904154 | Acoustic device | |||
| 63 | 6903474 | Electro-mechanical transducer | |||
| 64 | 6901150 | Permanent magnet actuator with electric excitation coil, especially loudspeaker and mobile telephone | |||
| 65 | 6899794 | Speaker device, and method and device for producing the same | |||
| 66 | 6895378 | System and method for producing acoustic response predictions via a communications network | |||
| 67 | 6895099 | Compact speaker for portable phone | |||
| 68 | 6895097 | Planar type speaker and system using it | |||
| 69 | 6888433 | Method for producing repulsion magnetic circuit and its production system | |||
| 70 | 6876752 | Loudspeakers systems and components thereof | |||
| 71 | 6873234 | Electromagnetic actuator mounting structure | |||
| 72 | 6870941 | Dipole radiating dynamic speaker | |||
| 73 | 6868167 | Audio speaker and method for assembling an audio speaker | |||
| 74 | 6868165 | Loudspeaker | |||
| 75 | 6867374 | Ceramic insulation coated electric wire self-fusing ceramic insulation coated electric wire coating composition and coil and voices coil for speaker | |||
| 76 | 6865282 | Loudspeaker suspension for achieving very long excursion | |||
| 77 | 6865281 | Liquid cooled speaker | |||
| 78 | 6863152 | Low profile audio speaker | |||
| 79 | 6862361 | Audio speaker | |||
| 80 | 6859544 | Magnetic circuit for speaker, method of manufacture thereof, and speaker using same | |||
| 81 | 6850138 | Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device | |||
| 82 | 6847726 | Shorting rings in dual-coil dual-gap loudspeaker drivers | |||
| 83 | 6847139 | Multi-functional vibrating actuator | |||
| 84 | 6845168 | Speaker for an electronic instrument | |||
| 85 | 6842529 | Speaker | |||
| 86 | 6839444 | Loudspeakers | |||
| 87 | 6837333 | Loudspeaker system with forced air circulation and control circuit therefor | |||
2004 | |||||
| 88 | 6836551 | Loudspeaker | |||
| 89 | 6829366 | Magnetic circuit and loudspeaker using the same | |||
| 90 | 6819773 | Loudspeaker with a three-dimensional diaphragm | |||
| 91 | 6817084 | Method for manufacturing a speaker apparatus | |||
| 92 | 6814181 | Electrically conductive damper device for speaker | |||
| 93 | 6810988 | Speaker's damper with lead wire and guide sleeve | |||
| 94 | 6810129 | Waterproof speaker for use in an automobile | |||
| 95 | 6810128 | Electromagnetic induction actuator and portable telecommunications equipment | |||
| 96 | 6804369 | Electroacoustic transducer | |||
| 97 | 6804368 | Micro-speaker and method for assembling a micro-speaker | |||
| 98 | 6804366 | Speaker apparatus | |||
| 99 | 6801635 | Speaker device | |||
| 100 | 6801634 | Loudspeaker coil suspension system | |||
| 101 | 6795564 | Energy converter with two coils and two magnetic gaps | |||
| 102 | 6795563 | Speaker for an electronic instrument | |||
| 103 | 6792125 | Pivotable speaker mounting apparatus | |||
| 104 | 6789643 | Butterfly damper | |||
| 105 | 6789642 | Display enclosure having thin speaker | |||
| 106 | 6788799 | Speaker device and associated method for manufacturing the speaker device | |||
| 107 | 6782111 | Multiple voicecoil and driver transducing | |||
| 108 | 6778677 | Repairable electromagnetic linear motor for loudspeakers and the like | |||
| 109 | 6774510 | Electromagnetic motor with flux stabilization ring, saturation tips, and radiator | |||
| 110 | 6772855 | Damper for speaker and method of producing the same | |||
| 111 | 6771792 | Track-shaped loudspeaker | |||
| 112 | 6771791 | Air pump speaker | |||
| 113 | 6768806 | Shorting rings in dual-coil dual-gap loudspeaker drivers | |||
| 114 | 6766034 | Multifunction acoustic device | |||
| 115 | 6763120 | Speaker | |||
| 116 | 6760462 | Planar diaphragm loudspeakers with non-uniform air resistive loading for low frequency modal control | |||
| 117 | 6760461 | Vehicle loudspeaker | |||
| 118 | 6757403 | Electroacoustic transducers | |||
| 119 | 6757402 | Knockdown speaker | |||
| 120 | 6754362 | Speaker and speaker system | |||
| 121 | 6751334 | Electromagnetic vibrator | |||
| 122 | 6751333 | Inertial vibration transducers | |||
| 123 | 6751332 | Speaker | |||
| 124 | 6751329 | Loudspeaker driver | |||
| 125 | 6744904 | Multifunction acoustic device | |||
| 126 | 6744895 | Loudspeaker | |||
| 127 | 6741721 | Informing apparatus for mobile communication apparatus | |||
| 128 | 6741151 | Moving coil linear actuator | |||
| 129 | 6739424 | Speaker system | |||
| 130 | 6738490 | Loudspeaker with independent magnetic dampening and excursion control | |||
| 131 | 6738489 | Vibration speaker | |||
| 132 | 6735323 | Speaker | |||
| 133 | 6735322 | Speaker | |||
| 134 | 6731773 | Dual basket speaker with replaceable, self-aligning cone assembly and super ventilated pole piece | |||
| 135 | 6731762 | Wireless microphone having a charger circuit and a transmitter circuit that share a common conductor pair | |||
| 136 | 6724909 | Speaker apparatus | |||
| 137 | 6723913 | Fan cooling of active speakers | |||
| 138 | 6721435 | Acoustic loudspeaker with energy absorbing bearing and voice coil, and selective sound dampening and dispersion | |||
| 139 | 6714656 | Loudspeaker system with dust protection | |||
| 140 | 6714655 | Speaker | |||
| 141 | 6711274 | Compound speaker for a portable communication device | |||
| 142 | 6711269 | Multifunction acoustic device | |||
| 143 | 6708797 | Display enclosure having thin speaker | |||
| 144 | 6704430 | Electroacoustic transducer | |||
| 145 | 6700988 | Speaker spider with integral lead wire arrangement and manufacturing method thereof | |||
| 146 | 6694039 | Loudspeaker | |||
| 147 | 6694037 | Spider-less loudspeaker with active restoring apparatus | |||
| 148 | 6690809 | Microspeaker | |||
| 149 | 6681027 | Magnetic core for speaker | |||
| 150 | 6681026 | Rectangular transducer for panel-form loudspeaker | |||
| 151 | 6681025 | Electromechanical and electroacoustic transducer | |||
| 152 | 6678387 | Loudspeaker having cooling system | |||
| 153 | 6674872 | Speaker | |||
| 154 | 6674871 | Positioning device for diaphragm for speakers | |||
| 155 | 6674197 | Electromagnetic sound generator | |||
| 156 | 6672423 | Speaker and method of assembling the speaker | |||
2003 | |||||
| 157 | 6671385 | Speaker and magnetic circuit used for the speaker | |||
| 158 | 6668066 | Electroacoustic transducer with small dimensions | |||
| 159 | 6665416 | Speaker with built-in direct current motor | |||
| 160 | 6665415 | Loudspeaker overcurrent protection | |||
| 161 | 6665414 | Speaker system and cooling device therefor | |||
| 162 | 6661903 | Loudspeaker | |||
| 163 | 6661902 | Loudspeaker with a front-mounted sealing element and method of manufacturing the same | |||
| 164 | 6661898 | Speaker for an electronic instrument | |||
| 165 | 6658134 | Shock improvement for an electroacoustic transducer | |||
| 166 | 6654476 | Low cost broad range loudspeaker and system | |||
| 167 | 6654475 | Electricity-to-sound transducer | |||
| 168 | 6653934 | Electro-magnetic audio transducer for surface-mounted devices | |||
| 169 | 6652046 | Loudspeaker box arrangement and method for the positional adjustment of individual loudspeaker boxes therein | |||
| 170 | 6647124 | Loudspeaker with coaxial magnetic circuit for high-pitch sound and low-pitch sound | |||
| 171 | 6647122 | Loudspeaker drive unit | |||
| 172 | 6646507 | Power booster amplifier | |||
| 173 | 6643381 | Sound quality improving mechanism for loudspeaker | |||
| 174 | 6639995 | Concentric magnetic configuration for loudspeakers | |||
| 175 | 6639994 | Loudspeaker having adjustable motor strength | |||
| 176 | 6639993 | Loudspeaker with low distortion and high output power | |||
| 177 | 6639992 | Multifunction acoustic device | |||
| 178 | 6639991 | Electroacoustic transducer | |||
| 179 | 6636612 | Speaker for use in confined spaces | |||
| 180 | 6636611 | Combined receiver and speaker | |||
| 181 | 6633649 | Quick release spider clamp for loudspeakers | |||
| 182 | 6628790 | Apparatus for on-ear operation and off-ear operation with two sound reproduction transducers | |||
| 183 | 6622817 | Sound reproduction device working according to the bending wave principle | |||
| 184 | 6621912 | Speaker | |||
| 185 | 6621911 | Multifunction acoustic device | |||
| 186 | 6618487 | Electro-dynamic exciter | |||
| 187 | 6611606 | Compact high performance speaker | |||
| 188 | 6611605 | Speaker having a device capable of generating sound and vibration | |||
| 189 | 6611604 | Ultra low frequency transducer and loud speaker comprising same | |||
| 190 | 6608541 | Electromagnetic actuator | |||
| 191 | 6606390 | Loudspeakers | |||
| 192 | 6601645 | Speaker heat sink | |||
| 193 | 6600399 | Transducer motor/generator assembly | |||
| 194 | 6597796 | Microphone with a variable resistance switch | |||
| 195 | 6594372 | Electroacoustic transducer | |||
| 196 | 6593847 | Planar acoustic converting apparatus | |||
| 197 | 6590994 | Linear vibrating device and speaker equipped with the same | |||
| 198 | 6590990 | Speaker apparatus | |||
| 199 | 6587571 | Speaker | |||
| 200 | 6587570 | Electroacoustic transducer | |||
| 201 | 6580803 | Structure for changing sound quality of speaker | |||
| 202 | 6580799 | Keyboard comprising a loudspeaker | |||
| 203 | 6578661 | Speaker apparatus | |||
| 204 | 6570995 | Speaker device | |||
| 205 | 6570994 | Field layer speaker for consumer products | |||
| 206 | 6570993 | Electric-mechanical-acoustic converter and method for producing the same | |||
| 207 | 6568502 | Sounder, speaker and sound head using the sounder | |||
| 208 | 6567528 | Offset apex spider | |||
| 209 | 6563932 | Magnet system for loudspeakers | |||
| 210 | 6553126 | Micro speaker | |||
| 211 | 6553125 | Multiple-function convertor for converting electric signals to vibration of elements of a portable electronic instrument | |||
| 212 | 6549637 | Loudspeaker with differential flow vent means | |||
| 213 | 6549632 | Microphone | |||
| 214 | 6546107 | Method and apparatus for controlling the propagation of magnetic fields by electrodynamic/magnetic transducers in telecommunication devices | |||
| 215 | 6542617 | Speaker | |||
| 216 | 6537234 | Vibration transducer | |||
| 217 | 6535613 | Air flow control device for loudspeaker | |||
| 218 | 6529611 | Multifunction acoustic device | |||
| 219 | 6526152 | Electroacoustic transducer having a moving coil and elastic holding elements for the connecting leads of the moving coil | |||
| 220 | 6526151 | High stability loudspeaker | |||
| 221 | 6519349 | Loudspeaker | |||
| 222 | 6519347 | Panel-form loudspeakers | |||
| 223 | 6516071 | Structure of a picture-frame type loudspeaker | |||
| 224 | 6513623 | Speaker | |||
2002 | |||||
| 225 | 6501844 | Loudspeaker and method of assembling same | |||
| 226 | 6496590 | Loudspeaker with improved diaphragm | |||
| 227 | 6494289 | Device for dynamic excitation of panel loudspeakers | |||
| 228 | 6490363 | Structure of speaker | |||
| 229 | 6488465 | Technique for nesting articles | |||
| 230 | 6487300 | Vibration speaker | |||
| 231 | 6484844 | Speaker | |||
| 232 | 6480614 | Planar acoustic transducer | |||
| 233 | 6477257 | Directional microphone | |||
| 234 | 6466682 | Vibration speaker | |||
| 235 | 6466676 | Compound driver for acoustical applications | |||
| 236 | 6449376 | Planar-type loudspeaker with at least two diaphragms | |||
| 237 | 6449375 | Loudspeaker spider with regressive rolls | |||
| 238 | 6445803 | Speaker | |||
| 239 | 6438246 | Speaker apparatus | |||
| 240 | 6430300 | Cooling mechanism for an audio speaker | |||
| 241 | 6421449 | Speaker | |||
| 242 | 6415037 | Speaker and the manufacturing method thereof | |||
| 243 | 6404896 | Electric-acoustic transducer having dual voice coil drivers | |||
| 244 | 6404894 | Packaging | |||
| 245 | 6400825 | Microspeaker | |||
| 246 | 6399870 | Musical instruments incorporating loudspeakers | |||
| 247 | 6394224 | Structure of speaker | |||
| 248 | 6393132 | Speaker | |||
| 249 | 6390231 | Loudspeaker with directed airflow cooling | |||
| 250 | 6385327 | Device having two coaxially disposed bodies which are movable relative to one another along a translation axis | |||
| 251 | 6385324 | Broadband loudspeaker | |||
| 252 | 6377145 | Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance | |||
| 253 | 6373959 | Electroacoustic transducer | |||
| 254 | 6373957 | Loudspeaker structure | |||
| 255 | 6373362 | Signal converter | |||
| 256 | 6370257 | Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contacts | |||
| 257 | 6359997 | Loudspeaker having radially magnetized magnetic ring | |||
| 258 | 6359996 | Speaker device | |||
| 259 | 6359541 | Surface-mounted electromagnetic sound generator | |||
| 260 | 6351544 | Regressively hinged spider | |||
| 261 | 6351542 | Loudspeakers with panel-form acoustic radiating elements | |||
| 262 | 6347149 | Driver for a flat acoustic panel | |||
| 263 | 6343136 | Speaker apparatus and manufacturing method thereof | |||
| 264 | 6343128 | Dual cone loudspeaker | |||
| 265 | 6342831 | Electronic apparatus | |||
| 266 | 6341167 | Speaker | |||
2001 | |||||
| 267 | 6333575 | Vibration exciter | |||
| 268 | 6332262 | Method of fabricating a loudspeaker suspension device | |||
| 269 | 6330340 | Loudspeaker with a diaphragm having integral vent bores | |||
| 270 | 6327371 | Loudspeaker with cooling adapter | |||
| 271 | 6327369 | Loudspeakers comprising panel-form acoustic radiating elements | |||
| 272 | 6321070 | Portable electronic device with a speaker assembly | |||
| 273 | 6320967 | Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements | |||
| 274 | 6312552 | Curable resin composition, adhesive composition, bonded product, speaker and bonding method | |||
| 275 | 6308960 | V-lock segmented speaker gasket | |||
| 276 | 6307942 | Panel-form microphones | |||
| 277 | 6304661 | Loudspeakers comprising panel-form acoustic radiating elements | |||
| 278 | 6292079 | Coil assembly of speaker | |||
| 279 | 6289106 | Cap and center pole apparatus and method of coupling | |||
| 280 | 6289101 | Telephone receiver having a hollow portion | |||
| 281 | 6285773 | Linear loudspeaker | |||
| 282 | 6285770 | Noticeboards incorporating loudspeakers | |||
| 283 | 6278787 | Loudspeakers | |||
| 284 | 6275598 | Sound reproduction device | |||
| 285 | 6269168 | Speaker apparatus | |||
| 286 | 6269167 | Loudspeaker spider, method of making it and loudspeaker incorporating it | |||
| 287 | 6266426 | Visual display means incorporating loudspeakers | |||
| 288 | 6263084 | Power amplifier and loudspeaker frame integration | |||
| 289 | 6259800 | Speaker and speaker apparatus | |||
| 290 | 6259799 | Speaker system | |||
| 291 | 6259798 | Passive radiator cooled electronics/heat sink housing for a powered speaker | |||
| 292 | 6243479 | Loudspeaker having pole piece with integral vent bores | |||
| 293 | 6243472 | Fully integrated amplified loudspeaker | |||
| 294 | 6237716 | Standard-sized vibrating diaphragm speaker structure | |||
| 295 | 6236733 | Loudspeaker | |||
| 296 | 6229903 | Mounting structure for electromagnetic sound generator | |||
| 297 | 6229902 | Loudspeaker with frame cooling structure | |||
| 298 | 6222931 | High power acoustical transducer | |||
| 299 | 6222929 | Speaker having middle-high sound speakers | |||
| 300 | 6219433 | Wax, copper foil flexible wire with wax and speakers using this flexible wire | |||
| 301 | 6219431 | Loudspeaker with improved cooling structure | |||
| 302 | 6219425 | Loudspeaker with heat radiating hole and electrical device employing the same | |||
| 303 | 6215887 | Thin type speaker having a secondary diaphragm | |||
| 304 | 6215881 | Ceiling tile loudspeaker | |||
| 305 | 6212284 | Sound reproduction device | |||
| 306 | 6208743 | Electrodynamic acoustic transducer with magnetic gap sealing | |||
| 307 | 6208742 | Electro-acoustic dynamic transducer system for use in a loud speaker | |||
| 308 | 6208237 | Electro-mechanical and acoustic transducer for portable terminal unit | |||
| 309 | 6205228 | Horn loaded pleated ribbon high frequency acoustic transducer with substantially uniform coupling | |||
| 310 | 6201878 | Portable compact disc player | |||
| 311 | 6198831 | Panel-form loudspeakers | |||
| 312 | 6192136 | Inertial vibration transducers | |||
| 313 | 6188775 | Panel-form loudspeakers | |||
| 314 | 6188774 | Loudspeaker | |||
| 315 | 6181799 | Greetings or the like card | |||
| 316 | 6178252 | Electroacoustic transducer comprising a diaphragm having through portions for mounting a voice coil | |||
| 317 | 6175637 | Acoustic transducer | |||
| 318 | 6173065 | Structure of speaker | |||
2000 | |||||
| 319 | 6166146 | Curable resin composition, adhesive composition, bonded product, speaker and bonding method | |||
| 320 | 6158109 | Coil manufacturing method using ring shaped spacer | |||
| 321 | 6154556 | Dome speaker | |||
| 322 | 6151402 | Vibration transducers | |||
| 323 | 6148953 | Loudspeaker component and resin composition therefor | |||
| 324 | 6144753 | Damper for a speaker apparatus | |||
| 325 | 6134336 | Integrated speaker assembly of a portable electronic device | |||
| 326 | 6134332 | Sound lens speaker system | |||
| 327 | 6130955 | Voice coil assembly | |||
| 328 | 6130952 | Microphone | |||
| 329 | 6128393 | Microphone with shock-resistant means | |||
| 330 | 6122389 | Flush mounted directional microphone | |||
| 331 | 6118884 | Audio voice coil adaptor ring | |||
| 332 | 6115479 | Wax, copper foil flexible wire with wax and speakers using this flexible wire | |||
| 333 | 6111972 | Diffusing volume electroacoustic transducer | |||
| 334 | 6111970 | Suspension for high power pleated ribbon transducer | |||
| 335 | 6111969 | High fidelity, broad band acoustic loudspeaker | |||
| 336 | 6097828 | Electroacoustic transducer | |||
| 337 | 6095278 | Base for holding the tweeter of a speaker | |||
| 338 | 6091828 | Dynamic microphone | |||
| 339 | 6088466 | Audio voice coil adaptor ring | |||
| 340 | 6075866 | Electroacoustic transducer having axially extending corrugated supporting means for the diaphragm | |||
| 341 | 6072886 | Electroacoustic transducer comprising spring contacts formed with at least one bend | |||
| 342 | 6069965 | Loudspeaker | |||
| 343 | 6067365 | Loudspeaker | |||
| 344 | 6064894 | Portable radio telephone having improved speaker and housing assembly for handsfree and private operation | |||
| 345 | 6061461 | Audio transducer | |||
| 346 | 6038327 | Electroacoustic transducer comprising a closing member for closing the rear volume of the transducer | |||
| 347 | 6031925 | Telescoping loudspeaker has multiple voice coils | |||
| 348 | 6031920 | Coaxial dual-parabolic sound lens speaker system | |||
| 349 | 6020805 | Permanent magnet assembly | |||
1999 | |||||
| 350 | 6008714 | Thin-Structured electromagnetic transducer | |||
| 351 | 6005957 | Loudspeaker pressure plate | |||
| 352 | 6003766 | Vending machine | |||
| 353 | 5995635 | Sound pickup and amplifier apparatus for vibrating strings | |||
| 354 | 5991424 | Planar diaphragm speaker with heat dissipator | |||
| 355 | 5987148 | Driver for a horn radiator | |||
| 356 | 5970158 | Compact horn speaker | |||
| 357 | 5969298 | Compression driver | |||
| 358 | 5966797 | Method of manufacturing a damper for a loudspeaker | |||
| 359 | 5953438 | Planar electromagnetic transducer | |||
| 360 | 5953436 | Apparatus for generating an audible tone | |||
| 361 | 5940522 | Speaker with passive voice coil cooling | |||
| 362 | 5937076 | Magnetic drive apparatus and method for manufacturing coil that forms the apparatus | |||
| 363 | 5933512 | Double cone-type loudspeaker | |||
| 364 | 5933508 | Horn speaker system | |||
| 365 | 5920638 | Structure of speaker | |||
| 366 | 5909499 | Speaker with magnetic structure for damping coil displacement | |||
| 367 | 5909015 | Self-cooled loudspeaker | |||
| 368 | 5909014 | Low frequency equaphase surround loudspeaker | |||
| 369 | 5905805 | Electrodynamic transducer | |||
| 370 | 5903656 | Monitor has tubular loudspeaker reducing CRT's mask vibrations | |||
| 371 | 5898786 | Loudspeakers | |||
| 372 | 5898244 | Dual-directional field coil actuator | |||
| 373 | 5894524 | High power tweeter | |||
| 374 | 5894263 | Vibration generating apparatus | |||
| 375 | 5892184 | Passive radiator and system comprising the passive radiator | |||
| 376 | 5878150 | Damper for a loudspeaker and a method for producing the same | |||
| 377 | 5878149 | Loudspeaker having a yoke, magnet, cylindrical throat, and spacer plate configuration | |||
| 378 | 5878148 | Compression driver | |||
| 379 | 5872855 | Multiple voice coil, multiple function loudspeaker | |||
| 380 | 5862242 | Speaker | |||
| 381 | 5859917 | Flush-mount swivel tweeter system for vehicular audio | |||
1998 | |||||
| 382 | 5850462 | Speaker component, speaker, and its manufacturing method | |||
| 383 | 5848174 | Linear movement speaker system | |||
| 384 | 5848173 | Surroundless loudspeaker | |||
| 385 | 5847333 | Electrodynamic loudspeaker and system comprising the loudspeaker | |||
| 386 | 5841880 | Multi-point drive type speaker | |||
| 387 | 5838809 | Speaker | |||
| 388 | 5835612 | Speaker apparatus | |||
| 389 | 5832096 | Speaker containing dual coil | |||
| 390 | 5828767 | Inductive braking in a dual coil speaker driver unit | |||
| 391 | 5825297 | Taut armature reciprocating impulse transducer | |||
| 392 | 5815587 | Loudspeaker with short circuit rings at the voice coil | |||
| 393 | 5812689 | Low-powered loud speaker provided with echo generator | |||
| 394 | 5809157 | Electromagnetic linear drive | |||
| 395 | 5802191 | Loudspeakers, systems, and components thereof | |||
| 396 | 5790682 | Damper for speaker | |||
| 397 | 5786741 | Polygon magnet structure for voice coil actuator | |||
| 398 | 5784478 | Audible environment awareness restoring device | |||
| 399 | 5784471 | Hearing aid with an electrodynamic acoustic transducer | |||
| 400 | 5776597 | Speaker damper | |||
| 401 | 5768395 | Double ended field coil actuator | |||
| 402 | 5764784 | Electroacoustic transducer | |||
| 403 | 5760501 | Compression driver motor structure | |||
| 404 | 5757946 | Magnetic fluid loudspeaker assembly with ported enclosure | |||
| 405 | 5757945 | Terminal for speaker | |||
| 406 | 5757942 | Speaker unit with an improved acoustic equalizer | |||
| 407 | 5751828 | Magnetic circuit unit for loud-speaker and method of manufacturing the same | |||
| 408 | 5748760 | Dual coil drive with multipurpose housing | |||
| 409 | 5748759 | Loud speaker structure | |||
| 410 | 5742561 | Transversely driven piston transducer | |||
| 411 | 5740265 | Loudspeaker unit and loudspeaker system employing the unit | |||
| 412 | 5740264 | Miniature electroacoustic transducer | |||
| 413 | 5739480 | Speaker base for alternatively mounting different drivers | |||
| 414 | 5734734 | Audio voice coil adaptor ring | |||
| 415 | 5729617 | Magnet system | |||
| 416 | 5729616 | Centering diaphragm | |||
| 417 | 5727077 | Electroacoustic transducer comprising a closing member | |||
| 418 | 5721379 | Electromagnetic acoustic transducers | |||
| 419 | 5719946 | Loudspeaker for higher audio frequencies and a manufacturing method thereof | |||
| 420 | 5717775 | Voice coil and loudspeaker structure | |||
| 421 | 5715324 | Speaker having magnetic circuit | |||
| 422 | 5714722 | Loudspeaker | |||
| 423 | 5712598 | Driving apparatus for electrostatic converting means | |||
1997 | |||||
| 424 | 5701657 | Method of manufacturing a repulsion magnetic circuit type loudspeaker | |||
| 425 | 5701358 | Isobaric loudspeaker | |||
| 426 | 5701357 | Loudspeaker structure with a diffuser | |||
| 427 | 5699439 | Loudspeakers | |||
| 428 | 5689573 | Frequency-dependent amplitude modification devices for acoustic sources | |||
| 429 | 5687248 | Light weight and low magnetic leakage loudspeaker | |||
| 430 | 5687244 | Bone conduction speaker and mounting system | |||
| 431 | 5682436 | Multipoint driving loudspeaker having repulsion magnetic-type driving unit | |||
| 432 | 5675885 | Method of winding a coil for an electroacoustic transducer | |||
| 433 | 5673330 | Microphone transducer with noise reducing member | |||
| 434 | 5668886 | Loudspeaker structure | |||
| 435 | 5664024 | Loudspeaker | |||
| 436 | 5664023 | Low TCR wire in high power audio coils | |||
| 437 | 5647014 | Voice coil support for loudspeaker | |||
| 438 | 5642333 | Electroacoustic transducer and method of winding coil therein | |||
| 439 | 5641910 | Electrodynamic transducer shaker and method for its manufacture | |||
| 440 | 5635686 | Composite speaker system having a directional adjustable tweeter | |||
| 441 | 5629501 | Composite speaker system having a directional adjustable transducer | |||
| 442 | 5625699 | Speaker device | |||
| 443 | 5604815 | Single magnet audio transducer and method of manufacturing | |||
| 444 | 5602931 | Connection line | |||
| 445 | 5602930 | Loudspeaker | |||
| 446 | 5598625 | Method for assembly of radial magnet voice coil actuators | |||
| 447 | 5594805 | Loudspeaker | |||
1996 | |||||
| 448 | 5590211 | Microphone | |||
| 449 | 5590210 | Loudspeaker structure and method of assembling loudspeaker | |||
| 450 | 5583945 | Speaker with a molded plastic frame including a positioning projection, and a method for manufacturing the same | |||
| 451 | 5583944 | Speaker | |||
| 452 | 5581624 | Loudspeaker suitable for high-temperature use having a non-adhesive connection between the voice coil support and the loudspeaker diaphragm | |||
| 453 | 5550332 | Loudspeaker assembly | |||
| 454 | 5548657 | Compound loudspeaker drive unit | |||
| 455 | 5546470 | Loudspeaker | |||
| 456 | 5539262 | Axially focused radial magnet voice coil actuator | |||
| 457 | 5536984 | Voice coil actuator | |||
| 458 | 5533134 | Motional feedback loudspeaker apparatus having a coupling member for connecting a voice coil bobbin with a detecting coil bobbin | |||
| 459 | 5526441 | Full range convex electrodynamic loudspeaker | |||
| 460 | 5524151 | Electroacoustic transducer having a mask | |||
| 461 | 5512714 | Composite speaker system having a directional adjustable tweeter | |||
| 462 | 5511131 | Loudspeaker | |||
| 463 | 5499440 | Staking method | |||
| 464 | 5497428 | Self-cooled magnetic structure for loudspeakers | |||
| 465 | 5487114 | Magnetless speaker | |||
1995 | |||||
| 466 | 5475765 | Improvements in or relating to loudspeakers | |||
| 467 | 5471437 | Electrodynamic acoustic transducer | |||
| 468 | 5461677 | Loudspeaker | |||
| 469 | 5452366 | Loudspeaker | |||
| 470 | 5446797 | Audio transducer with etched voice coil | |||
| 471 | 5440630 | Telephone receiver with electrostatic discharge prevention | |||
| 472 | 5434458 | Voice coil actuator | |||
| 473 | 5432758 | Electroacoustic transducer | |||
| 474 | 5430805 | Planar electromagnetic transducer | |||
| 475 | 5430804 | Loudspeaker with a coated voice coil | |||
| 476 | 5426707 | Electrodynamic loudspeaker with cooling arrangement | |||
| 477 | 5424496 | Electromagnetic converter | |||
| 478 | 5418860 | Voice coil excursion and amplitude gain control device | |||
| 479 | 5408533 | Motional feedback speaker system with radially polarized magnet and underhung voice-coil | |||
| 480 | 5402503 | Light-weight conical loudspeaker | |||
| 481 | 5396563 | Earphone | |||
| 482 | 5390257 | Light-weight speaker system | |||
| 483 | 5388992 | Method and apparatus for tactile transduction of acoustic signals from television receivers | |||
| 484 | 5383267 | Apparatus for centering an actuator coil | |||
| 485 | 5381483 | Minimal inductance electrodynamic transducer | |||
1994 | |||||
| 486 | 5371806 | Loudspeaker | |||
| 487 | 5361304 | Headphone assemblies | |||
| 488 | 5357587 | Distortion reduction in loudspeakers | |||
| 489 | 5357586 | Flow-through air-cooled loudspeaker system | |||
| 490 | 5351220 | Moving-coil electrodynamic electroacoustical transducer | |||
| 491 | 5343533 | Transducer flux optimization | |||
| 492 | 5335287 | Loudspeaker utilizing magnetic liquid suspension of the voice coil | |||
| 493 | 5335284 | Coneless, no-moving-parts speaker | |||
| 494 | 5321763 | Body sense speaker | |||
| 495 | 5321762 | Voice coil actuator | |||
| 496 | 5317642 | Loudspeakers having torque drive radiators | |||
| 497 | 5315663 | Passive loudspeaker enclosure for a television receiver | |||
| 498 | 5303209 | Electroacoustic transducer having a partition wall and a mask wall | |||
| 499 | 5297214 | Loudspeaker structure | |||
| 500 | 5295195 | Magnetic circuit in a loudspeaker | |||
| 501 | 5288955 | Wind noise and vibration noise reducing microphone | |||
| 502 | 5287413 | Dual voice coil sound reproducing device | |||
| 503 | 5283836 | Planar speakers | |||
| 504 | 5282245 | Tubular bi-directional microphone with flared entries | |||
1993 | |||||
| 505 | 5270676 | Method of making elements of a magnetic circuit in a loudspeaker | |||
| 506 | 5263093 | Microphone device in use in for communication apparatus for motorcycle | |||
| 507 | 5255328 | Dynamic microphone | |||
| 508 | 5249237 | Audio transducer improvements | |||
| 509 | 5249236 | Wiring structure of loudspeaker | |||
| 510 | 5246353 | Air breezing pump | |||
| 511 | 5243662 | Electrodynamic sound generator for hearing aids | |||
| 512 | 5243151 | Conical loudspeaker | |||
| 513 | 5243150 | Ribbon transducers | |||
| 514 | 5230021 | Audio transducer improvements | |||
| 515 | 5216723 | Permanent magnet transducing | |||
| 516 | 5214710 | Permanent magnet system with associated coil arrangement | |||
| 517 | 5212736 | Ribbon speaker | |||
| 518 | 5212735 | Wide-ribbon loudspeaker | |||
| 519 | 5210805 | Transducer flux optimization | |||
| 520 | 5199005 | Electromagnetic drive assembly for under water sonar transducer | |||
| 521 | 5198624 | Audio transducer with controlled flexibility diaphragm | |||
| 522 | 5197104 | Electrodynamic loudspeaker with electromagnetic impedance sensor coil | |||
| 523 | 5195143 | Acoustical ribbon transducer loudspeaker system | |||
| 524 | 5181253 | Loudspeaker assembly | |||
| 525 | 5179595 | Electrodynamic-fluidic transducer element for pneumatic loudspeaker | |||
1992 | |||||
| 526 | 5172092 | Selective call receiver having audible and tactile alerts | |||
| 527 | 5166984 | Loudspeaker | |||
| 528 | 5166982 | Horn speaker having a cooling device | |||
| 529 | 5157731 | Dome radiator speaker | |||
| 530 | 5155773 | Electrodynamic transducer including inset | |||
| 531 | 5151943 | Low distortion dynamic loudspeaker | |||
| 532 | 5150419 | Calotte-type treble loudspeaker | |||
| 533 | 5150418 | Speaker system | |||
| 534 | 5148888 | Ribbon transducers | |||
| 535 | 5148493 | Loudspeaker structure | |||
| 536 | 5148492 | Diaphragm of dynamic microphone | |||
| 537 | 5143169 | Loudspeaker diaphragm provided with a rear load | |||
| 538 | 5142508 | Aquatic transducer system | |||
| 539 | 5142260 | Transducer motor assembly | |||
| 540 | 5129005 | Electrodynamic loudspeaker | |||
| 541 | 5127060 | Centering device for speaker diaphragm | |||
| 542 | 5125033 | Body sense speaker | |||
| 543 | 5125031 | Speaker system with focused vibration | |||
| 544 | 5123053 | Loudspeaker suspension | |||
| 545 | 5091028 | Method for manufacturing a heat resistant voice coil | |||
| 546 | 5081684 | Shallow loudspeaker with slotted magnet structure | |||
| 547 | 5081683 | Loudspeakers | |||
1991 | |||||
| 548 | 5073948 | Midrange loudspeaker driver | |||
| 549 | 5070530 | Electroacoustic transducers with increased magnetic stability for distortion reduction | |||
| 550 | 5062140 | Induction speaker | |||
| 551 | 5058173 | Combination inertia type audio transducer and loudspeaker | |||
| 552 | 5042072 | Self-cooled loudspeaker | |||
| 553 | 5040221 | Compact electroacoustical transducing with flat conducting tinsel leads crimped to voice coil ends | |||
| 554 | 5033093 | Compact microphone and method of manufacture | |||
| 555 | 5027412 | Voice coil with rectangular coil wire and foil leads | |||
| 556 | 5025474 | Speaker system with image projection screen | |||
| 557 | 5021613 | Ribbon loudspeaker | |||
| 558 | 5018206 | Network mounting device for coaxial type speaker | |||
| 559 | 5014323 | Voice coil lead dressing | |||
| 560 | 5012457 | Aquatic transducer system | |||
| 561 | 5008945 | Water-proof speaker unit | |||
| 562 | 5003610 | Whole surface driven speaker | |||
| 563 | 5003609 | Whole-surface driven speaker | |||
| 564 | 4989254 | Electro-acoustic transducer and manufacturing process | |||
1990 | |||||
| 565 | 4980921 | Magnetic system for dynamic loudspeaker | |||
| 566 | 4979220 | Integral body speaker with detachable terminal plate | |||
| 567 | 4975965 | Loudspeaker design | |||
| 568 | 4967871 | Body-sensible acoustic device | |||
| 569 | 4961227 | Portable loud speaker system | |||
| 570 | 4951270 | Audio transducer apparatus | |||
| 571 | 4951023 | Electromagnetic drive apparatus having a flat coil | |||
| 572 | 4939784 | Loudspeaker structure | |||
| 573 | 4933975 | Dynamic loudspeaker for producing high audio power | |||
| 574 | 4928312 | Acoustic transducer | |||
| 575 | 4926486 | Transducer assembly for automatic message system | |||
| 576 | 4924504 | Audio speaker | |||
| 577 | 4922541 | Acoustic horn audio reproducer | |||
| 578 | 4914750 | Sound transducer | |||
| 579 | 4914707 | Balanced vehicular speaker system | |||
| 580 | 4912086 | Electroacoustic transducer comprising a superconducting element | |||
| 581 | 4903308 | Audio transducer with controlled flexibility diaphragm | |||
| 582 | 4897877 | Sub-woofer driver combination with dual voice coil arrangement | |||
1989 | |||||
| 583 | 4884262 | Magnetic system for a stereo pick-up with a movable coil | |||
| 584 | 4881617 | Radially arcuated speaker cone | |||
| 585 | 4869765 | Production process of bobbin for voice coil | |||
| 586 | 4868882 | Loudspeaker | |||
| 587 | 4860370 | Magnetically suspended acoustical speaker | |||
| 588 | 4860369 | Flat speaker unit | |||
| 589 | 4856071 | Planar loudspeaker system | |||
| 590 | 4847904 | Ambient imaging loudspeaker system | |||
| 591 | 4837838 | Electromagnetic transducer of improved efficiency | |||
| 592 | 4835429 | Flexible printed cable connected to an inner most end of motor coil | |||
| 593 | 4829582 | Electrodynamic transducer | |||
| 594 | 4829581 | Electrodynamic transducer comprising a two-part diaphragm | |||
| 595 | 4825533 | Method of making a voice coil with rectangular coil wire and foil leads | |||
| 596 | 4821331 | Coaxial speaker unit | |||
| 597 | 4821330 | Wide-band loudspeaker having a diaphragm area divided into sub-areas for various frequency ranges | |||
| 598 | 4817165 | Acoustic speaker device with a diaphragm having a spider web type core | |||
| 599 | 4811313 | Loudspeaker and audio reproduction apparatus | |||
| 600 | 4807295 | Loudspeaker | |||
| 601 | 4803733 | Loudspeaker diaphragm mounting system and method | |||
| 602 | 4799266 | Electroacoustic converter | |||
| 603 | 4795369 | Electrical connector apparatus for a loudspeaker motor | |||
1988 | |||||
| 604 | 4792978 | Planar loudspeaker system | |||
| 605 | 4783824 | Speaker unit having two voice coils wound around a common coil bobbin | |||
| 606 | 4764968 | Disk diaphragm for a loudspeaker | |||
| 607 | 4757548 | Speaker system and dome-shaped enclosure therefor | |||
| 608 | 4757547 | Air cooled loudspeaker | |||
| 609 | 4752963 | Electroacoustic converter having a recessed step on the center pole | |||
| 610 | 4750257 | Method for making a magnet transducer assembly | |||
| 611 | 4750208 | Audio-band electromechanical vibration converter | |||
| 612 | 4737992 | Compact electroacoustical transducer with spider covering rear basket opening | |||
| 613 | 4736435 | Ear piece transducer | |||
| 614 | 4723296 | Electrodynamic transducer of the isophase or ribbon type | |||
| 615 | 4722517 | Mechanical spring having negative spring stiffness useful in an electroacoustic transducer | |||
| 616 | 4720868 | Dynamic transducer device | |||
| 617 | 4720867 | Woofer system for an automotive audio system with a protecter therefor | |||
1987 | |||||
| 618 | 4703510 | Electro-acoustic transducer with diaphragm and blank therefor | |||
| 619 | 4680800 | Moving-coil loudspeaker unit | |||
| 620 | 4675907 | Electro-vibration transducer | |||
| 621 | 4675859 | Intensified field focus moving coil phonocartridge assembly | |||
| 622 | 4672675 | Multiple speaker loudspeaker with conductive bridge | |||
| 623 | 4665550 | Electrodynamic loudspeaker having omnidirectional sound emission | |||
| 624 | 4661973 | Minimization of distortion due to a voice coil displacement in a speaker unit | |||
| 625 | 4654486 | Poor-scatter pot magnet system for magnetic-dynamic loudspeakers or acoustic transducers | |||
| 626 | 4653103 | Loudspeaker structure and system | |||
| 627 | 4641345 | Body-sensible acoustic device | |||
| 628 | 4637009 | Grounding circuit for pickup cartridge moving coil | |||
| 629 | 4635750 | Loudspeaker diaphragm | |||
1986 | |||||
| 630 | 4630358 | Method of making an electrostatic transducer of the moving coil type | |||
| 631 | 4628154 | Annular gap magnet system, particularly for low frequency loudspeakers | |||
| 632 | 4619342 | Multiple sound transducer system utilizing an acoustic filter to reduce distortion | |||
| 633 | 4612420 | Loudspeaker system for converting a digitized electric signal into an acoustic signal | |||
| 634 | 4608463 | Electro-acoustic transducer | |||
| 635 | 4607382 | Electroacoustic transducer unit with reduced resonant frequency and mechanical spring with negative spring stiffness, preferably used in such a transducer unit | |||
| 636 | 4604792 | Method for making electro-acoustic transducer apparatus | |||
| 637 | 4598178 | Means for critically damping a dynamic loudspeaker | |||
| 638 | 4595801 | Coupled dual cone velocity driver speaker | |||
| 639 | 4593404 | Method of improving the acoustics of a hall | |||
| 640 | 4591672 | Loud speaker assembly | |||
| 641 | 4591667 | Dome speaker with cut-out portions in the voice coil bobbin | |||
| 642 | 4590333 | Multidriver loudspeaker | |||
| 643 | 4590332 | Phase coherent low frequency speaker | |||
| 644 | 4586192 | Soundstage boundary expansion system | |||
| 645 | 4584439 | Audio transducer with controlled flexibility diaphragm | |||
| 646 | 4584438 | Percussion air motor | |||
| 647 | 4580015 | Loud speaker with minimized magnetic leakage | |||
| 648 | 4580014 | Means for controlling ribbon edge clearance in a ribbon loudspeaker | |||
| 649 | 4577069 | Electroacoustical transducer | |||
| 650 | 4567327 | Flat-diaphragm transducer and method of manufacturing such a transducer | |||
| 651 | 4566178 | Process for assembling a cone speaker | |||
| 652 | 4565905 | Loudspeaker construction | |||
1985 | |||||
| 653 | 4559584 | Combination lighting device and loudspeaker | |||
| 654 | 4558443 | Moving coil type pickup cartridge | |||
| 655 | 4552242 | Coaxial type composite loudspeaker | |||
| 656 | 4551849 | Vehicle panel speaker for automotive audio system utilizing part of a vehicle panel as a sound-producing medium | |||
| 657 | 4550428 | Driver unit for automotive audio speaker | |||
| 658 | 4550229 | Trumpet horn speaker | |||
| 659 | 4550228 | Ribbon speaker system | |||
| 660 | 4547874 | Moving coil type cartridge mounted on cantilever within central opening of ring magnet | |||
| 661 | 4547632 | Dynamic loudspeaker | |||
| 662 | 4547631 | Large-excursion electroacoustic transducer | |||
| 663 | 4544806 | Ribbon-type transducer with a multi-layer diaphragm | |||
| 664 | 4544805 | Plane speaker | |||
| 665 | 4539442 | Loudspeaker | |||
| 666 | 4536623 | Electro-acoustic transducer with diaphragm and blank therefor | |||
| 667 | 4532383 | Electroacoustic transducer having a variable thickness diaphragm | |||
| 668 | 4531025 | Loudspeaker with commutated coil drive | |||
| 669 | 4529846 | Dynamic telephone receiver with magnetic shunt | |||
| 670 | 4527017 | Magnet system for an electroacoustic transducer | |||
| 671 | 4525604 | Horn loudspeaker with convex diaphragm | |||
| 672 | 4520238 | Pickup device for picking up vibration transmitted through bones | |||
| 673 | 4520237 | Electrodynamic speaker | |||
| 674 | 4519063 | Phono pickup cartridge | |||
| 675 | 4514599 | Speaker for automotive vehicle audio system having a vehicle panel serving as sound-amplifying medium | |||
| 676 | 4508941 | Voice coil centering and suspension for vented pole piece | |||
| 677 | 4507800 | Enclosed magnet loudspeaker | |||
| 678 | 4506117 | Electroacoustic transducer | |||
| 679 | 4499340 | Speaker for automotive audio system with vehicle panel utilized as sound amplifying medium | |||
| 680 | 4497052 | Stylus for reproducing information signals recorded on a recording medium | |||
| 681 | 4496021 | 360 Degree radial reflex orthospectral horn for high-frequency loudspeakers | |||
| 682 | 4495638 | Audio-band electro-mechanical vibration converter | |||
| 683 | 4494227 | Stereo phono pick-up and/or cutter | |||
| 684 | 4492827 | Horn speaker with reduced magnetic flux leakage | |||
| 685 | 4491698 | Electro-acoustic transducer with diaphragm and blank therefor | |||
1984 | |||||
| 686 | 4488284 | Moving-coil type pickup cartridge | |||
| 687 | 4488012 | MFB Loudspeaker | |||
| 688 | 4484037 | Ribbon-type electro-acoustic transducer with low distortion and improved sensitivity | |||
| 689 | 4480155 | Diaphragm type magnetic transducer | |||
| 690 | 4479035 | Ceramic voice coil assembly | |||
| 691 | 4477699 | Mechanical two-way loudspeaker | |||
| 692 | 4473723 | Ribbon loudspeaker having corregated ribbon for reducing distortion | |||
| 693 | 4472604 | Planar type electro-acoustic transducer and process for manufacturing same | |||
| 694 | 4471173 | Piston-diaphragm speaker | |||
| 695 | 4471172 | Planar diaphragm transducer with improved magnetic circuit | |||
| 696 | 4468530 | Loudspeaker system | |||
| 697 | 4465906 | Low-leakage pot magnet system for moving-coil loudspeakers | |||
| 698 | 4465905 | Loudspeaker assembly | |||
| 699 | 4464785 | Loudspeaker system | |||
| 700 | 4461933 | Electrical/mechanical transducers | |||
| 701 | 4461932 | Ribbon type speaker and method of assembling magnetic circuit thereof | |||
| 702 | 4455639 | Moving coil type pickup cartridge | |||
| 703 | 4438297 | Dynamic speaker | |||
| 704 | 4437179 | Phono pickup cartridge | |||
| 705 | 4433214 | Acoustical transducer with a slotted piston suspension | |||
| 706 | 4429379 | Device for controlling tone arm carrying moving coil type pickup | |||
| 707 | 4427846 | Moving coil loudspeakers | |||
| 708 | 4427845 | Dynamic microphone | |||
| 709 | 4426556 | Electrodynamic loudspeaker | |||
| 710 | 4426553 | Vehicle loudspeaker arrangement with magnetic-field-sensitive device | |||
1983 | |||||
| 711 | 4421956 | Loud speaker with minimized magnetic leakage | |||
| 712 | 4421381 | Mechanical vibrating element | |||
| 713 | 4418247 | Electrodynamic transducer | |||
| 714 | 4414437 | Moving coil dynamic transducer | |||
| 715 | 4413162 | Moving coil transducers using multiple-stranded coils | |||
| 716 | 4413161 | Electro-acoustic transducer | |||
| 717 | 4413160 | Ribbon-type loudspeaker | |||
| 718 | 4412104 | Rectangular magnetic circuit for speaker | |||
| 719 | 4410768 | Electro-acoustic transducer | |||
| 720 | 4399334 | Speaker unit for headphones | |||
| 721 | 4395598 | Electro-acoustic transducer causing sound waves to be in phase at any point by preventing reflection from the back end of the diaphragm to stress applying means | |||
| 722 | 4395592 | Ribbon loudspeaker | |||
| 723 | 4392027 | Method and apparatus for providing a uniform sound distribution in an aircraft cabin | |||
| 724 | 4387275 | Speaker and speaker system | |||
| 725 | 4386332 | Magnetic circuit for dynamic speaker | |||
| 726 | 4385375 | Moving coil type phono cartridge | |||
| 727 | 4384174 | Moving voice coil loudspeaker, peripheral diaphragm support, diaphragm construction, bobbin to diaphragm reinforcement | |||
| 728 | 4384173 | Electromagnetic planar diaphragm transducer | |||
| 729 | 4379952 | Mechanical filter for an electrodynamic transducer | |||
| 730 | 4379951 | Electro-acoustic transducer means | |||
| 731 | 4379213 | Electroacoustical converter | |||
| 732 | 4378471 | Horn speaker with linear grooves in a front surface of a pole piece of a yoke | |||
| 733 | 4376304 | Moving coil type stereophonic pickup cartridge | |||
| 734 | 4376233 | Securing of lead wires to electro-acoustic transducers | |||
| 735 | 4374624 | Sound emitting device for electronic timepiece | |||
| 736 | 4374433 | Stereo pickup with printed circuit coils mounted in a linear field | |||
| 737 | 4367377 | Horn loudspeaker with particular suspension and lead wire passage | |||
1982 | |||||
| 738 | 4365680 | Force measuring device | |||
| 739 | 4364120 | Pickup cartridge of moving coil type for phonograph | |||
| 740 | 4360707 | Digitally driven combination coils for electrodynamic acoustic transducers | |||
| 741 | 4357498 | Coaxial type multi-way planar diaphragm loudspeaker system | |||
| 742 | 4354067 | Audio-band electromechanical vibration converter | |||
| 743 | 4354066 | Rigid-diaphragm transducer with plural coils | |||
| 744 | 4353432 | Electro-dynamic speaker | |||
| 745 | 4345322 | Pickup cartridge for reproducing signals recorded on a 45-45 stereophonic record disk | |||
| 746 | 4341930 | Electrodynamic loudspeaker | |||
| 747 | 4340787 | Electroacoustic transducer | |||
| 748 | 4338489 | Headphone construction | |||
| 749 | 4337379 | Planar electrodynamic electroacoustic transducer | |||
| 750 | 4336425 | High frequency compression driver and method of manufacture thereof | |||
| 751 | 4334127 | Magnetic circuit for planar diaphragm type loudspeaker | |||
| 752 | 4330878 | Sound producing device for watches | |||
| 753 | 4327433 | Magnetic phono cartridge | |||
| 754 | 4327257 | Alignment device for electro-acoustical transducers | |||
| 755 | 4323737 | Driver unit for planar diaphragm type loudspeaker | |||
| 756 | 4322584 | Voice coil bobbin for planar diaphragm | |||
| 757 | 4322583 | Voice coil bobbin connection to loudspeaker diaphragm of honeycomb core sandwiched by sheets | |||
| 758 | 4320264 | Loudspeaker with a heat resistant two-part diaphragm | |||
| 759 | 4320263 | Dynamic transducer with moving coil in an air gap filled with magnetic liquid | |||
| 760 | 4319096 | Line radiator ribbon loudspeaker | |||
| 761 | 4317966 | Vibratory ribbon speaker | |||
| 762 | 4317965 | Thin miniaturized dynamic-type loudspeaker | |||
| 763 | 4317191 | Moving coil pickup cartridge | |||
| 764 | 4317009 | Coldproof reflex horn speaker | |||
| 765 | 4315112 | Speaker | |||
| 766 | 4313040 | Electro-acoustic transducer with free edge diaphragm | |||
| 767 | 4312118 | Method for producing speaker construction | |||
1981 | |||||
| 768 | 4306121 | Electro-acoustic transducer assembly | |||
| 769 | 4303806 | Dynamic electroacoustic transducer having a moving coil in an air gap filled with a magnetic liquid | |||
| 770 | 4303142 | Combined acoustical transducer and grille | |||
| 771 | 4300655 | Acoustic diaphragm for speakers and method of producing the same | |||
| 772 | 4300022 | Multi-filar moving coil loudspeaker | |||
| 773 | 4297537 | Dynamic loudspeaker | |||
| 774 | 4296486 | Shielded electromagnetic acoustic transducers | |||
| 775 | 4295011 | Linear excursion-constant inductance loudspeaker | |||
| 776 | 4293741 | Magnet assembly | |||
| 777 | 4289937 | Speaker with fine grain ferromagnetic material on center pole or ring | |||
| 778 | 4284167 | Sound reproducing device | |||
| 779 | 4281225 | Pickup cartridge for reproducing signals recorded on a 45-45 stereophonic record disk | |||
| 780 | 4281223 | Electro-acoustic transducer | |||
| 781 | 4278852 | Earphone construction | |||
| 782 | 4276452 | Membrane type electro-acoustic transducer | |||
| 783 | 4276449 | Speaker or microphone having corrugated diaphragm with conductors thereon | |||
| 784 | 4273968 | Electroacoustic transducer with magnetic flux directed slantly across a diaphragm | |||
| 785 | 4273967 | Stylus for reproducing capacitive videodisc | |||
| 786 | 4272653 | Loudspeaker and a method of producing the same | |||
| 787 | 4272652 | Moving coil type stereophonic pickup cartridge | |||
| 788 | 4264789 | Voice coil assembly for a speaker | |||
| 789 | 4263483 | Moving coil pick-up assembly for use in a record player | |||
| 790 | 4259550 | Acoustic device with floating vibrating means | |||
| 791 | 4256930 | Loudspeaker having improved magnetic assembly | |||
| 792 | 4252211 | Loudspeaker | |||
| 793 | 4251695 | Pickup cartridge having means for producing magnetic fields of opposite directions for coil plate | |||
| 794 | 4249225 | Magnetic field transducer systems | |||
| 795 | 4246446 | Moving coil pick-up with coils printed on opposite sides of waver | |||
| 796 | 4243839 | Transducer with flux sensing coils | |||
| 797 | 4243838 | Stiffness variation device | |||
1980 | |||||
| 798 | 4242541 | Composite type acoustic transducer | |||
| 799 | 4239944 | Spider of loudspeaker | |||
| 800 | 4239943 | Adjustable dual spider for a loudspeaker | |||
1978 | |||||
| 801 | 4100992 | Loudspeaker | |||
| 802 | 4093833 | Moving coil cartridge with magnetic means to affix stylus holder to cartridge casing | |||
| 803 | 4090039 | Electrodynamic transducer | |||
| 804 | 4088847 | Speaker voice coil construction | |||
| 805 | 4081627 | Electromagnetic bipolar loud speaker | |||
| 806 | 4071111 | Weatherproof loudspeaker assembly and method of making same | |||
1977 | |||||
| 807 | 4064376 | Sound reproduction system and device | |||
| 808 | 4061890 | Loudspeaker with single layer rectangular wire voice coil wound on slit metal bobbin with a notch in the adjacent pole plate | |||
| 809 | 4057694 | Speaker diaphragm having flat response curve | |||
| 810 | 4056697 | Movable diaphragm connector method flexible hinge diaphragm surround and electro-acoustic transducer with folded diaphragm with intermediate flexible portions | |||
| 811 | 4055732 | Inboard type magnetic system for electro-dynamic transducer | |||
| 812 | 4049926 | Ribbon loudspeaker achieves focusing and uniformity of the magnetic flux in the working gap | |||
| 813 | 4039044 | Low frequency electro-acoustic transducer with interconnected diaphragms interleaved with fixed diaphragms | |||
| 814 | 4037061 | Planar pattern voice coil audio transducer | |||
| 815 | 4035591 | Electroacoustic transducers | |||
| 816 | 4031337 | Loudspeaker | |||
| 817 | 4030564 | Loud speaker with stable damping | |||
| 818 | 4029911 | Electro-acoustic transducer and method of manufacturing such a transducer | |||
| 819 | 4029910 | Wide dispersion loudspeaker with flexing diaphragm | |||
| 820 | 4029171 | Membrane for electroacoustic converter systems | |||
| 821 | 4027111 | Ribbon loudspeaker | |||
| 822 | 4020296 | Electroacoustic transducer | |||
| 823 | 4017694 | Method for making loudspeaker with magnetic fluid enveloping the voice coil | |||
| 824 | 4013846 | Piston loudspeaker | |||
| 825 | 4011417 | Dynamic type pickup | |||
| 826 | 4008374 | Loudspeaker systems | |||
| 827 | 4001523 | Ribbon loudspeaker | |||
| 828 | 4001522 | Ribbon type loudspeaker | |||
| 829 | 4001519 | Pick-up cartridges for gramophone records | |||
1976 | |||||
| 830 | 3997739 | Electrodynamic type electroacoustic transducer | |||
| 831 | 3991286 | Heat dissipating device for loudspeaker voice coil | |||
| 832 | 3988025 | Record disc cutting apparatus | |||
| 833 | 3987245 | Compensated speaker-microphone | |||
| 834 | 3983337 | Broad-band acoustic speaker | |||
| 835 | 3979566 | Electromagnetic transducer | |||
| 836 | 3967367 | Method for aligning loudspeaker diaphragm and voice coil assembly | |||
| 837 | 3963882 | Boron or graphite reinforced voice coil and manufacturing process | |||
| 838 | 3963880 | Moving coil-type cartridge | |||
| 839 | 3961378 | Cone construction for loudspeaker | |||
| 840 | 3956599 | Dome loudspeaker | |||
| 841 | 3956598 | Moving coil pickup cartridge with diaphragm coupling | |||
| 842 | 3955055 | Dynamic loudspeaker | |||
| 843 | 3953687 | Magnetic structure for moving voice coil loudspeaker | |||
| 844 | 3944757 | High-fidelity moving-coil loudspeaker | |||
| 845 | 3940575 | Directional microphone | |||
| 846 | 3939942 | Electroacoustic transducers | |||
| 847 | 3939312 | Pattern voice coil transducer having permanent magnet plates of a single polarity | |||
| 848 | 3937905 | Moving voice coil transducer having a flat diaphragm of an impregnated knit | |||
| 849 | 3935402 | Loudspeaker voice coil arrangement | |||
| 850 | 3935400 | Oval dome type speaker | |||
| 851 | 3935399 | Loud speakers | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||