СПИСОК патентов США - подгруппа МПК16 H04R1/28
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№ п/п | Номер патента | Название патента | |||
2017 | |||||
1 | 9609438 | Speaker apparatus and electronic device having the same | |||
2 | 9609435 | Battery-powered stereo speaker assembly having power connection for charging a handheld device | |||
3 | 9609414 | Earphone with at least one air orifice | |||
4 | 9609412 | Bone-conduction anvil and diaphragm | |||
5 | 9609405 | Slim profile loudspeaker | |||
6 | 9602928 | Speaker system having a sound collection unit for combining sound waves | |||
7 | 9602917 | Acoustic collection system for handheld electronic devices | |||
8 | 9602915 | Magnetically controllable transducer backing component | |||
9 | 9602914 | Porting audio using a connector in a small form factor electronic device | |||
10 | 9602912 | High bass speaker monomer and a high bass earphone structure | |||
11 | 9602899 | Speaker and its production method | |||
12 | 9596544 | Head mounted phased focused speakers | |||
13 | 9596530 | Configurable speaker | |||
14 | 9592770 | Loudspeaker system for a motor vehicle | |||
15 | 9591416 | Passive vibration cancellation system for microphone assembly | |||
16 | 9591406 | Multi-track stereo sound earphone | |||
17 | 9591398 | Headphone | |||
18 | 9591397 | Loudspeaker mounting assembly | |||
19 | 9591388 | In-car audio system | |||
20 | 9584904 | Spherically housed loudspeaker system | |||
21 | 9584903 | MEMS device and process | |||
22 | 9584902 | Dynamic microphone and method of forming back-side air chamber | |||
23 | 9584901 | Convertible headphone system | |||
24 | 9584900 | Customization earphone structure and detachable audio broadcasting module thereof | |||
25 | 9579745 | Systems and methods for enhancing performance of a microphone | |||
26 | 9578412 | Mass loaded earbud with vent chamber | |||
27 | 9578404 | Vehicle sound systems and related assemblies and devices | |||
28 | 9578403 | 2-way speaker with coaxial effect | |||
29 | 9571934 | Acoustic device with passive radiators | |||
30 | 9571923 | Acoustic waveguide | |||
31 | 9571921 | Receiver acoustic low pass filter | |||
32 | 9571920 | External sound box, loudspeaker module with same and electronic device | |||
33 | 9571919 | Wearable sound box apparatus | |||
34 | 9571917 | Acoustic device | |||
35 | 9571909 | Speaker cabinet | |||
36 | 9565498 | Audio driver and method for transforming an electrical signal into air movement | |||
37 | 9560430 | Waterproof structure and electronic equipment including the same | |||
38 | 9554206 | Sound presentation device | |||
39 | 9552705 | Life safety device with compact circumferential acoustic resonator | |||
40 | 9549243 | Split box subwoofer with body mounted driver | |||
41 | 9549242 | Acoustic filter | |||
42 | 9544681 | Acoustic deflector for omni-directional speaker system | |||
43 | 9544678 | Printed circuit board with an acoustic channel for a microphone | |||
44 | 9544677 | In-ear headphone | |||
45 | 9544676 | Oval shaped in-ear headphone | |||
46 | 9538283 | Ear microphone | |||
47 | 9538269 | Speaker device | |||
2016 | |||||
48 | 9532143 | Low frequency equalization for loudspeaker system | |||
49 | 9532132 | Hearing-impaired person assistance speaker | |||
50 | 9532121 | Portable audio system having waveguide structure | |||
51 | 9525947 | Piezoelectric loudspeaker | |||
52 | 9525943 | Mechanically actuated panel acoustic system | |||
53 | 9525933 | Ultrathin speaker module | |||
54 | 9525932 | Acoustic device having active drivers mounted to a passive radiator diaphragm | |||
55 | 9521481 | Speaker porting around backlit keyboard | |||
56 | 9516403 | Earphone with stand-alone high-frequency driver | |||
57 | 9516257 | Display device housing and display device | |||
58 | 9512954 | Device base | |||
59 | 9510087 | Acoustic device | |||
60 | 9510086 | Earphone having an acoustic tuning mechanism | |||
61 | 9510084 | Custom in-ear monitor | |||
62 | 9510077 | Earphone having a controlled acoustic leak port | |||
63 | 9510073 | Air conditioner having an audio collecting device | |||
64 | 9510070 | Wearable electronic device | |||
65 | 9503807 | Acoustic horn arrangement | |||
66 | 9503806 | Loudspeaker system audio recovery imaging amplifier | |||
67 | 9497539 | Variable directional microphone | |||
68 | 9497536 | Electronic device | |||
69 | 9491533 | Earphone device | |||
70 | 9490633 | Electrical energy system comprising monitoring based on the analysis of structure-borne sound | |||
71 | 9489807 | Life safety device with compact circumferential acoustic resonator | |||
72 | 9486365 | Earplug and electronic device using the same | |||
73 | 9485583 | Vibration unit for acoustic module | |||
74 | 9485566 | Miniature speaker module, method for enhancing frequency response thereof and electronic device | |||
75 | 9485565 | Sound generating apparatus and electronic apparatus including the same | |||
76 | 9479874 | Speaker and edge structure thereof | |||
77 | 9479862 | Acoustic box structure | |||
78 | 9479861 | Compact wideband bass and midrange horn-loaded speaker system | |||
79 | 9479856 | Ergonomic earpiece | |||
80 | 9479850 | Speaker module for mobile device and mobile device having duct radiation structure | |||
81 | 9473855 | Moving armature receiver assemblies with vibration suppression | |||
82 | 9473848 | Transmission line loudspeaker | |||
83 | 9473847 | Acoustic apparatus | |||
84 | 9473837 | Sound transducer with ventilation structure | |||
85 | 9467785 | MEMS apparatus with increased back volume | |||
86 | 9467784 | Piezoelectric-type speaker | |||
87 | 9467772 | Acoustical signal generator using two transducers and a reflector with a non-flat contour | |||
88 | 9462391 | Vertically and horizontally balanced subwoofer | |||
89 | 9462373 | Loudspeaker and manufacturing method thereof | |||
90 | 9462361 | Sealed audio speaker design | |||
91 | 9456270 | Headset apparatus registering movement in the housing | |||
92 | 9456269 | Plug earphone or a concha earphone | |||
93 | 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 | |||
94 | 9438989 | Headphone structure for adjusting audio frequencies | |||
95 | 9432772 | Methods and apparatus for porting loudspeakers to an earpiece | |||
96 | 9432764 | Dynamic acoustic waveguide | |||
97 | 9432763 | Water leak warning device | |||
98 | 9432762 | Back cavity microphone implementation | |||
99 | 9430998 | Radio apparatus comprising an agglomeration of acoustically adsorbing members | |||
100 | 9428090 | Headrest with speakers and method for manufacturing headrest cushion member | |||
101 | 9426581 | Top port microelectromechanical systems microphone | |||
102 | 9426548 | Loudspeaker having a passive radiator | |||
103 | 9420376 | Microphone | |||
104 | 9414151 | Speaker system | |||
105 | 9414145 | Customizable headphone audio driver assembly, headphone including such an audio driver assembly, and related methods | |||
106 | 9412356 | Apparatus and method for non-occluded active noise shaping | |||
107 | 9407995 | Acoustic generator, acoustic generation device, and electronic device | |||
108 | 9407984 | Method and apparatus for adjusting sound quality | |||
109 | 9407979 | Loudspeaker | |||
110 | 9407977 | Loudspeaker system with improved sound | |||
111 | 9402136 | Sound generator and electronic apparatus using the same | |||
112 | 9402126 | Earphone with passive radiator | |||
113 | 9400224 | Pressure sensor and manufacturing method of the same | |||
114 | 9398369 | Speaker structure | |||
115 | 9398368 | Display device | |||
116 | 9398365 | Earphone assembly | |||
117 | 9398355 | Rectangular wall mounted speaker assembly with four corner walls and corner mounting bracket | |||
118 | 9392358 | Waveguide for shaping sound waves | |||
119 | 9380393 | Capacitance sensor, acoustic sensor, and microphone | |||
120 | 9380378 | Sound channel formed in a case to redirect sound with respect to a speaker of an electronic device positioned in the case | |||
121 | 9380377 | Directional MEMS microphone and receiver device | |||
122 | 9374637 | Electronic system and electronic device thereof | |||
123 | 9369817 | Broad sound field loudspeaker system | |||
124 | 9369810 | Acoustic generator, acoustic generation device, and electronic device | |||
125 | 9369791 | Earphone device | |||
126 | 9369789 | Speaker device | |||
127 | 9363606 | Acoustic generator, acoustic generating device, and electronic device | |||
128 | 9363594 | Earbud with membrane based acoustic mass loading | |||
129 | 9363592 | LED lighting device and speaker | |||
130 | 9363590 | Playback device | |||
131 | 9363587 | Pressure vent for speaker or microphone modules | |||
132 | 9357290 | Speaker system and method for driving same | |||
133 | 9357289 | Three-dimensional air-adsorbing structure | |||
134 | 9351080 | Electronic device including stiffness varying portion on housing | |||
135 | 9351067 | Acoustic generator, acoustic generation device, and electronic apparatus | |||
136 | 9351066 | Expandable speaker | |||
137 | 9351059 | Orthogonal open back speaker system | |||
138 | 9344783 | Inverse horn loudspeakers | |||
139 | 9338557 | Acoustic generator, acoustic generation device, and electronic device | |||
140 | 9338543 | Earphone device | |||
141 | 9338539 | In-ear-canal headset assembly | |||
142 | 9338537 | Loudspeaker housing | |||
143 | 9326072 | Wearable speaker system with satellite speakers and a passive radiator | |||
144 | 9326057 | Microphone module for electronic device | |||
145 | 9326056 | Receptacle for low-voltage electronic devices | |||
146 | 9326054 | Sound transducer acoustic back cavity system | |||
147 | 9319799 | Microphone package with integrated substrate | |||
148 | 9319774 | Loudspeaker unit with two loudspeakers and a wedge-shaped body between the spaces adjoining the loudspeakers | |||
149 | 9319773 | Audio bass resonator | |||
150 | 9319772 | Multi-floor type MEMS microphone | |||
151 | 9319767 | Earphone | |||
152 | 9319761 | Microphone | |||
153 | 9317068 | Venting assembly and microporous membrane composite | |||
154 | 9307314 | Electronic device with side acoustic emission type speaker device | |||
155 | 9307310 | Wearable portable electronic device | |||
156 | 9307307 | Portable wireless waterproof speakers | |||
157 | 9306148 | Oscillator device and electronic apparatus | |||
158 | 9302292 | Piezoelectric electroacoustic transducer | |||
159 | 9301067 | Miniature speaker and speaker cabinet and hearing aid | |||
160 | 9301043 | Sealed speaker system having a pressure vent | |||
161 | 9301040 | Pressure equalization in earphones | |||
162 | 9294841 | Acoustic radiator including a combination of a co-axial audio speaker and passive radiator | |||
163 | 9288601 | Broad sound loudspeaker system | |||
164 | 9288571 | Bass reflex loudspeaker system with phase correction element | |||
165 | 9288569 | Earphone with noise reduction | |||
166 | 9288565 | Earphone system | |||
167 | 9288561 | Speaker device | |||
168 | 9288560 | Branched acoustic device | |||
169 | 9282386 | Speaker enclosure | |||
170 | 9277306 | Integrated speaker enclosures for electronic devices | |||
171 | 9275612 | Keyboard instrument | |||
172 | 9271098 | Audio speaker with externally reinforced passive radiator attachment | |||
173 | 9271067 | Transducer apparatus having a mechanical acoustic filter with movable blocking member | |||
174 | 9271064 | Method and system for contact sensing using coherence analysis | |||
175 | 9264810 | Directed audio | |||
176 | 9264796 | Electrically conductive membrane pump/transducer and methods to make and use same | |||
177 | 9264795 | Electrically conductive membrane pump/transducer and methods to make and use same | |||
178 | 9264794 | Orientation-responsive acoustic array control | |||
179 | 9253562 | Vehicle loudspeaker module | |||
180 | 9253561 | Orientation-responsive acoustic array control | |||
181 | 9247359 | Transducer, a hearing aid comprising the transducer and a method of operating the transducer | |||
182 | 9247342 | Loudspeaker enclosure system with signal processor for enhanced perception of low frequency output | |||
183 | 9247341 | Speaker module | |||
184 | 9241211 | Tubular body, bass reflex port, and acoustic apparatus | |||
185 | 9241210 | Mass ports for tuning driver frequency response | |||
186 | 9241207 | Speaker module | |||
187 | 9241206 | Decoupled drive unit for a loudspeaker enclosure | |||
188 | 9232316 | Optically clear diaphragm for an acoustic transducer and method for making same | |||
189 | 9232300 | Bass reflex port and tubular body | |||
190 | 9232299 | Three-dimensional air-adsorbing structure | |||
191 | 9232298 | Portable electronic device with enhanced sound reproduction | |||
192 | 9231617 | Medical device with membrane keypad sealing element, and related manufacturing method | |||
2015 | |||||
193 | 9226061 | Speaker assembly | |||
194 | 9215522 | Earphones | |||
195 | 9210513 | Multiple-ring coaxial audio speaker using single audio source | |||
196 | 9210496 | Earphone having a controlled acoustic leak port | |||
197 | 9210495 | Dynamic headphones | |||
198 | 9210491 | Wireless audio coupler and amplifier for mobile phone, tablet device, MP3 player and the like | |||
199 | 9210490 | High fidelty electro-acoustic enclosure and method of manufacture | |||
200 | 9208759 | Compound-resonance driver (CRD) bass enhancement system | |||
201 | 9204211 | Pad-type device case providing enhanced audio functionality and output | |||
202 | 9197961 | Portable electronic device with internal speaker | |||
203 | 9191747 | Loudspeaker with force cancelling configuration | |||
204 | 9191735 | Microphone features relating to a portable computing device | |||
205 | 9185498 | Hearing device with two or more microphones and two or more resonators having different lengths and the same resonant frequency | |||
206 | 9185491 | Reinforced diaphragm for a low profile loudspeaker transducer with two sets of inner and outer magnets | |||
207 | 9179213 | Speaker apparatus for producing sound | |||
208 | 9179207 | Speaker box | |||
209 | 9173019 | Loudspeaker with rotatable sound-reflecting member | |||
210 | 9173018 | Acoustic filter | |||
211 | 9167353 | Electrically conductive membrane pump/transducer and methods to make and use same | |||
212 | 9167338 | Hearing protector | |||
213 | 9165551 | Sound reflector and electronic device with speaker, including sound reflector | |||
214 | 9161134 | Acoustic generator, acoustic generating device, and electronic device | |||
215 | 9161119 | Phi-based enclosure for speaker systems | |||
216 | 9161118 | Earphone having an acoustic tuning mechanism | |||
217 | 9154869 | Speaker with a large volume chamber and a smaller volume chamber | |||
218 | 9154865 | Acoustic device | |||
219 | 9154863 | Speaker enclosure and method for eliminating standing waves therein | |||
220 | 9148719 | Portable electronic device | |||
221 | 9148714 | Battery-powered sound device with mounting element made of vibration absorbing material | |||
222 | 9143870 | Microphone system with mechanically-coupled diaphragms | |||
223 | 9143861 | Wireless audio player and speaker system | |||
224 | 9143847 | Loudspeaker | |||
225 | 9137605 | Formed diaphragm frame for receiver | |||
226 | 9135908 | Dual resonator chamber with variable volume | |||
227 | 9131303 | Vehicle audio structure | |||
228 | 9131301 | Speaker enclosure and method for fabricating the same | |||
229 | 9124977 | Apparatus for use in portable devices | |||
230 | 9119001 | Electronic device having loudspeaker module | |||
231 | 9118992 | Ported enclosure and automated equalization of frequency response in a micro-speaker audio system | |||
232 | 9113266 | Custom in-ear monitor | |||
233 | 9113259 | Tunable multichannel headphone and method for assembling the same | |||
234 | 9113244 | Loudspeaker for eliminating a frequency response dip | |||
235 | 9107003 | Extended duct with damping for improved speaker performance | |||
236 | 9106999 | Noise reducing earphone | |||
237 | 9103862 | Method of checking the directivity and polarization of coherent field distributions in a reverberant medium | |||
238 | 9100761 | Earphone assembly | |||
239 | 9100751 | Docking station having structure for sound amplification and sound quality enhancement | |||
240 | 9100750 | Loudspeaker | |||
241 | 9100739 | High output loudspeaker | |||
242 | 9099073 | Packaging of acoustic volume increasing materials for loudspeaker devices | |||
243 | 9096424 | Assembly of a capacitive acoustic transducer of the microelectromechanical type and package thereof | |||
244 | 9096165 | Method and device for generating noise in the vehicle interior and vehicle exterior of a motor vehicle | |||
245 | 9094763 | Ported speaker and circuit board | |||
246 | 9094760 | Earphone | |||
247 | 9094748 | Dynamic microphone unit and dynamic microphone | |||
248 | 9094747 | Weatherproof loudspeaker and speaker assembly | |||
249 | 9094746 | Block resistant microphone port design | |||
250 | 9078067 | Sounder assembly for explosive environment | |||
251 | 9071906 | Wireless audio player and speaker system | |||
252 | 9066174 | Portable audio system with integrated handle | |||
253 | 9060219 | Loudspeakers and systems | |||
254 | 9055373 | Piezoelectric sounder | |||
255 | 9055370 | Vibration-reducing passive radiators | |||
256 | 9049518 | Orientation-responsive acoustic array control | |||
257 | 9049507 | Efficient electronics module | |||
258 | 8967322 | Speaker box | |||
259 | 8942402 | Acoustic speaker device | |||
260 | 8938084 | Speaker device, sound source simulation system, and echo cancellation system | |||
2014 | |||||
261 | 8885865 | Earphone | |||
262 | 8840565 | Test battery system and method for assessment of auditory function | |||
263 | 8837762 | Speaker | |||
264 | 8820471 | Speaker | |||
265 | 8807267 | Self resonance-type sound-producing speaker and method of placing thereof | |||
266 | 8660288 | Twin driver earphone | |||
267 | 8630435 | Apparatus incorporating an adsorbent material, and methods of making same | |||
2013 | |||||
268 | 8459403 | Front resonator for a speaker of a wireless device | |||
269 | 8430200 | Speaker apparatus | |||
270 | 8422723 | Loudspeaker and electronic device including loudspeaker | |||
271 | 8406450 | Thermoacoustic device with heat dissipating structure | |||
272 | 8397861 | Diaphragm surround | |||
2012 | |||||
273 | 8295537 | Loudspeaker moment and torque balancing | |||
274 | 8241224 | Test battery system and method for assessment of auditory function | |||
275 | 8205712 | Ported loudspeaker enclosure with tapered waveguide absorber | |||
276 | 8157049 | Trirectangular tetrahedral subwoofer | |||
277 | 8141675 | Micro-speaker | |||
278 | 8118134 | Front resonator for a speaker of a wireless device | |||
2011 | |||||
279 | 8028792 | Speaker apparatus | |||
280 | 7931116 | Tetrahedral loudspeaker | |||
2010 | |||||
281 | 7854701 | Non-invasive monitoring of intracranial dynamic effects and brain density fluctuations | |||
282 | 7806227 | High-performance full-range speaker assembly | |||
283 | 7699139 | Diaphragm surround | |||
2009 | |||||
284 | 7624839 | Enclosure for symbiotic active/passive operation of an acoustic driver | |||
285 | 7578368 | Speaker set for electronic product | |||
286 | 7578367 | Speaker set and electronic product incorporating the same | |||
287 | 7556121 | Speaker set and mobile phone incorporating the same | |||
2008 | |||||
288 | 7353907 | Speaker enclosure for a wall mounted speaker system | |||
289 | 7350618 | Multimedia speaker product | |||
290 | 7319771 | Vibrator for bone conducted hearing aids | |||
291 | 7316290 | Acoustic lens system | |||
2007 | |||||
292 | 7284637 | Low-frequency sound reproducing speaker apparatus | |||
293 | 7277552 | Increased LF spectrum power density loudspeaker system | |||
294 | 7270215 | Loudspeaker enclosure with damping material laminated within internal shearing brace | |||
295 | 7233677 | Top-loading folded corner horn | |||
296 | 7207413 | Closed loop embedded audio transmission line technology for loudspeaker enclosures and systems | |||
297 | 7201252 | Loudspeaker systems | |||
298 | 7178629 | Electroacoustic public address unit with acoustic horn or waveguide | |||
299 | 7162049 | Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance | |||
2006 | |||||
300 | 7111706 | Enclosure and audio-visual apparatus comprising same | |||
301 | 7051835 | Bass-reflex loudspeaker system and method of manufacturing the same | |||
302 | 7021419 | Speaker system | |||
303 | 6985593 | Baffle vibration reducing | |||
2005 | |||||
304 | 6968067 | Portable entertainment system | |||
305 | 6956956 | Speaker installation and method | |||
306 | 6955241 | Speaker unit for low frequency reproduction | |||
307 | 6952874 | Two-stage phasing plug system in a compression driver | |||
308 | 6940990 | Multi-channel audio center speaker device | |||
309 | 6940564 | Display substrate and display device | |||
310 | 6937739 | Loudspeaker set with elastic adapter | |||
311 | 6922471 | Communication device with shared interior resonance chambers | |||
312 | 6920228 | Lightweight headset for high noise environments | |||
313 | 6912290 | Speaker unit for low frequency reproduction | |||
314 | 6907121 | Impedance matched horn having impedance matched to impedance of an ear | |||
315 | 6905001 | Sounders for fire alarm systems | |||
316 | 6904154 | Acoustic device | |||
317 | 6896096 | Acoustic structures | |||
318 | 6895097 | Planar type speaker and system using it | |||
319 | 6886658 | Loudspeaker enclosure system | |||
320 | 6877975 | Rolling pin horn | |||
321 | 6863152 | Low profile audio speaker | |||
322 | 6862360 | Speaker system | |||
323 | 6860363 | Planar acoustic waveguide | |||
324 | 6850138 | Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device | |||
2004 | |||||
325 | 6831984 | Noise reducing | |||
326 | 6807284 | Speaker and speaker device | |||
327 | 6798891 | Speaker system | |||
328 | 6788798 | Method and arrangement for improving leak tolerance of an earpiece | |||
329 | 6785397 | Electro-acoustic converter | |||
330 | 6785395 | Speaker configuration for a portable electronic device | |||
331 | 6782112 | Low frequency transducer enclosure | |||
332 | 6778676 | Acoustic transmission connection, headset with acoustic transmission connection, and uses of the acoustic transmission connection | |||
333 | 6772854 | Device and method for inserting acoustic dampers into earphones | |||
334 | 6771787 | Waveguide electroacoustical transducing | |||
335 | 6763117 | Speaker enclosure | |||
336 | 6760462 | Planar diaphragm loudspeakers with non-uniform air resistive loading for low frequency modal control | |||
337 | 6751333 | Inertial vibration transducers | |||
338 | 6739425 | Evacuated enclosure mounted acoustic actuator and passive attenuator | |||
339 | 6735320 | Angled port loudspeaker | |||
340 | 6724909 | Speaker apparatus | |||
341 | 6712177 | Cross-fired multiple horn loudspeaker system | |||
342 | 6707920 | Implantable hearing aid microphone | |||
343 | 6705426 | Acoustic diffuser and method of production | |||
344 | 6704427 | Acoustic transducer with improved acoustic damper | |||
345 | 6704426 | Loudspeaker system | |||
346 | 6704425 | System and method to enhance reproduction of sub-bass frequencies | |||
347 | 6700984 | Non-linearly tapering transmission line speakers | |||
348 | 6678384 | Speaker structure | |||
349 | 6675932 | Speaker housing configured to minimize standing waves and resonate above the frequency range of transducers | |||
350 | 6675931 | Low profile audio speaker | |||
2003 | |||||
351 | 6668969 | Manifold for a horn loudspeaker and method | |||
352 | 6665413 | Infrasonic Helmholtz resonator | |||
353 | 6665412 | Speaker device | |||
354 | 6658128 | Horn loudspeaker | |||
355 | 6654472 | Speaker system in display | |||
356 | 6648098 | Spiral acoustic waveguide electroacoustical transducing system | |||
357 | 6636610 | Loudspeaker systems | |||
358 | 6634455 | Thin-wall multi-concentric sleeve speaker | |||
359 | 6628797 | Loudspeaker-and-pre-stressed cabinet | |||
360 | 6628796 | Axially propagating mid and high frequency loudspeaker systems | |||
361 | 6626263 | Passive speaker system | |||
362 | 6626262 | Waterproof speaker | |||
363 | 6625291 | Diffused resonance loudspeaker enclosure method | |||
364 | 6625289 | Stereo loudspeaker system | |||
365 | 6619424 | Speaker enclosure configured to minimize diffraction | |||
366 | 6618488 | Speaker system | |||
367 | 6612935 | Apparatus for generating light effects | |||
368 | 6610237 | Method of making a loudspeaker drive unit having a resiliently suspended panel-form member | |||
369 | 6606390 | Loudspeakers | |||
370 | 6604602 | Separable speaker cover box containing speaker system | |||
371 | 6604271 | Process for processing a conductive damper for use in speaker | |||
372 | 6597795 | Device to improve loudspeaker enclosure duct | |||
373 | 6588544 | Speaker box with molded plastic end caps | |||
374 | 6581719 | Wave shaping sound chamber | |||
375 | 6580799 | Keyboard comprising a loudspeaker | |||
376 | 6574344 | Directional horn speaker system | |||
377 | 6566960 | High back-EMF high pressure subwoofer having small volume cabinet low frequency cutoff and pressure resistant surround | |||
378 | 6557665 | Active dipole inlet using drone cone speaker driver | |||
379 | 6549637 | Loudspeaker with differential flow vent means | |||
380 | 6545947 | Acoustic matching material, method of manufacture thereof, and ultrasonic transmitter using acoustic matching material | |||
381 | 6519349 | Loudspeaker | |||
382 | 6516076 | Modular horn loudspeaker | |||
383 | 6504938 | Dual-chamber loudspeaker | |||
2002 | |||||
384 | 6496586 | Thin Loudspeaker | |||
385 | 6493456 | Thin speaker assemblies including laterally offset resonator cavities and personal electronic devices including the same | |||
386 | 6493455 | Subwoofer assembly | |||
387 | 6479614 | Energetic copolyurethane thermoplastic elastomers | |||
388 | 6470088 | Vented loudspeaker enclosure with limited driver radiation | |||
389 | 6460651 | Passive speaker system | |||
390 | 6457548 | Passive radiator with mass elements | |||
391 | 6445806 | Tuned elastic loudspeaker enclosure | |||
392 | 6438249 | Open back acoustic speaker module | |||
393 | 6431309 | Loudspeaker system | |||
394 | 6431308 | High fidelity small omnidirectional loudspeaker | |||
395 | 6430297 | Speaker and speaker device | |||
396 | 6418231 | High back EMF, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround | |||
397 | 6411721 | Audio speaker with harmonic enclosure | |||
398 | 6411720 | Speaker systems with lower frequency of resonance | |||
399 | 6404894 | Packaging | |||
400 | 6399870 | Musical instruments incorporating loudspeakers | |||
401 | 6397972 | Loudspeakers | |||
402 | 6396936 | Auxiliary bass radiator units | |||
403 | 6389146 | Acoustically asymmetric bandpass loudspeaker with multiple acoustic filters | |||
404 | 6386377 | Mounting assembly for plurality of microphones | |||
405 | 6377696 | Loudspeaker systems | |||
406 | 6363157 | Multiple element electroacoustic transducing | |||
407 | 6359991 | Greetings or the like card | |||
408 | 6356643 | Electro-acoustic transducer | |||
409 | 6356642 | Multi-speaker system | |||
410 | 6353670 | Actively control sound transducer | |||
411 | 6351542 | Loudspeakers with panel-form acoustic radiating elements | |||
412 | 6349792 | Sound enhancing speaking cabinet for a removable speaker assembly | |||
413 | 6343134 | Loudspeaker and horn with an additional transducer | |||
414 | 6343133 | Axially propagating mid and high frequency loudspeaker systems | |||
415 | 6339649 | Loudspeaker system with stackable loudspeaker units | |||
416 | 6338395 | Kapok loudspeaker enclosure damping material | |||
2001 | |||||
417 | 6332029 | Acoustic device | |||
418 | 6327369 | Loudspeakers comprising panel-form acoustic radiating elements | |||
419 | 6324292 | Speaker apparatus | |||
420 | 6320971 | Speaker system and a method for improving sound quality thereof | |||
421 | 6320970 | High frequency compression drivers | |||
422 | 6320967 | Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements | |||
423 | 6307947 | Low profile speaker enclosure | |||
424 | 6307943 | Electro-acoustic transducer and housing | |||
425 | 6307942 | Panel-form microphones | |||
426 | 6304661 | Loudspeakers comprising panel-form acoustic radiating elements | |||
427 | 6292573 | Portable communication device with collapsible speaker enclosure | |||
428 | 6285770 | Noticeboards incorporating loudspeakers | |||
429 | 6282287 | Communication earpiece without impulse and high frequency noise | |||
430 | 6278789 | Frequency selective acoustic waveguide damping | |||
431 | 6278787 | Loudspeakers | |||
432 | 6275597 | Loudspeaker system having a bass-reflex port | |||
433 | 6266426 | Visual display means incorporating loudspeakers | |||
434 | 6243477 | Audio system with partitioned input and output compartments | |||
435 | 6243473 | Laptop computer with loudspeaker(s) | |||
436 | 6237715 | Subwoofer assembly | |||
437 | 6226927 | Automobile vehicle door provided with a multicomponent module a part of which forms an acoustic cavity | |||
438 | 6223853 | Loudspeaker system incorporating acoustic waveguide filters and method of construction | |||
439 | 6219430 | Electronic appliance with loudspeaker unit | |||
440 | 6215881 | Ceiling tile loudspeaker | |||
441 | 6201878 | Portable compact disc player | |||
442 | 6198831 | Panel-form loudspeakers | |||
443 | 6195442 | Passive vibroacoustic attenuator for structural acoustic control | |||
444 | 6192136 | Inertial vibration transducers | |||
445 | 6188775 | Panel-form loudspeakers | |||
446 | 6186269 | Mini surround sound loudspeaker | |||
447 | 6181799 | Greetings or the like card | |||
448 | 6178250 | Acoustic point source | |||
449 | 6176346 | Nesting speaker assembly | |||
450 | 6169811 | Bandpass loudspeaker system | |||
2000 | |||||
451 | 6151402 | Vibration transducers | |||
452 | 6144751 | Concentrically aligned speaker enclosure | |||
453 | 6141428 | Audio speaker system | |||
454 | 6130954 | High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround | |||
455 | 6094497 | Loudspeaker system having back pressure equalization | |||
456 | 6094495 | Horn-type loudspeaker system | |||
457 | 6088464 | Acoustic piezoelectric vibrator and loudspeaker using the same | |||
458 | 6076631 | Bass reflex box of an automobile radio-sound system | |||
459 | 6073723 | Acoustic damping material | |||
460 | 6062338 | Loud speaker enclosure | |||
461 | 6055320 | Directional horn speaker system | |||
462 | 6044925 | Passive speaker | |||
463 | 6038326 | Loudspeaker and horn with an additional transducer | |||
464 | 6031919 | Loudspeaker system and sound reproducing apparatus | |||
465 | 6026928 | Apparatus and method for reduced distortion loudspeakers | |||
466 | 6019188 | Enclosures for loudspeaker drive units | |||
467 | 6012542 | Bass amplifying system for radios | |||
1999 | |||||
468 | 6003766 | Vending machine | |||
469 | 6002781 | Speaker system | |||
470 | 5963640 | Radiotelephone having an acoustical wave guide coupled to a speaker | |||
471 | 5949896 | Earphone | |||
472 | 5949033 | Constrained layer damped loudspeaker enclosure | |||
473 | 5937074 | High back emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround | |||
474 | 5936209 | Fluid coupled subwoofer acoustic enclosure system with vent chamber | |||
475 | 5933508 | Horn speaker system | |||
476 | 5920633 | Thin-wall multi-concentric cylinder speaker enclosure with audio amplifier tunable to listening room | |||
477 | 5903656 | Monitor has tubular loudspeaker reducing CRT's mask vibrations | |||
478 | 5896460 | Speaker | |||
479 | 5895896 | Fluid coupled subwoofer acoustic enclosure system with port chamber | |||
480 | 5892184 | Passive radiator and system comprising the passive radiator | |||
481 | 5892183 | Loudspeaker system having a bass-reflex port | |||
482 | 5875255 | High power electroacoustic speaker system having wide band frequency response | |||
483 | 5872339 | High performance loudspeaker system | |||
1998 | |||||
484 | 5854435 | Natural resonant speaker | |||
485 | 5850460 | Bass speaker | |||
486 | 5844176 | Speaker enclosure having parallel porting channels for mid-range and bass speakers | |||
487 | 5832099 | Speaker system having an undulating rigid speaker enclosure | |||
488 | 5824969 | Speaker system with a three-dimensional spiral sound passage | |||
489 | 5821471 | Acoustic system | |||
490 | 5821470 | Broadband acoustical transmitting system | |||
491 | 5815589 | Push-pull transmission line loudspeaker | |||
492 | 5812686 | Device for active simultation of an acoustical impedance | |||
493 | 5809154 | Ported loudspeaker system and method | |||
494 | 5804774 | Ported reflex horn | |||
495 | 5792999 | Noise attenuating in ported enclosure | |||
496 | 5771304 | Apparatus including a loudspeaker unit, loudspeaker unit, and housing for a loudspeaker unit | |||
497 | 5749433 | Massline loudspeaker enclosure | |||
498 | 5734728 | Portable sound speaker system and driving circuit therefor | |||
499 | 5731555 | Loudspeaker enclosure having a low reflection/low diffraction baffle | |||
500 | 5731553 | Speaker system | |||
501 | 5731552 | Speaker system with sound absorbing diaphragm | |||
502 | 5721786 | Loudspeakers | |||
503 | 5710395 | Helmholtz resonator loudspeaker | |||
1997 | |||||
504 | 5696357 | Bass-reflex loudspeaker | |||
505 | 5691516 | Tunable vibration absorber | |||
506 | 5689573 | Frequency-dependent amplitude modification devices for acoustic sources | |||
507 | 5659157 | 7th order acoustic speaker | |||
508 | 5659155 | Acoustical transducer enclosure | |||
509 | 5647012 | Tri-chamber speaker box | |||
510 | 5639996 | Asymmetrically resonance tuned speaker-box | |||
511 | 5629503 | Vibration damping device | |||
512 | 5629502 | Speaker apparatus | |||
513 | 5623132 | Modular port tuning kit | |||
514 | 5621804 | Composite loudspeaker apparatus and driving method thereof | |||
515 | 5602367 | Multiple tuned high power bass reflex speaker system | |||
1996 | |||||
516 | 5590208 | Speaker system | |||
517 | 5588065 | Bass reproduction speaker apparatus | |||
518 | 5586195 | Body-acoustic device | |||
519 | 5583324 | Vibration damping device | |||
520 | 5576522 | Tube-annexed speaker cabinet | |||
521 | 5555554 | Vented headset speaker | |||
522 | 5552569 | Exponential multi-ported acoustic enclosure | |||
523 | 5550926 | Overlap sound case | |||
524 | 5537481 | Horn driver | |||
525 | 5537480 | Sound output system | |||
526 | 5525767 | High-performance sound imaging system | |||
527 | 5524062 | Speaker system for a televison set | |||
528 | 5523524 | Double chamber bass reflex box | |||
529 | 5517573 | Ported loudspeaker system and method with reduced air turbulence | |||
530 | 5514841 | Reflex compression valve - divided chamber loudspeaker cabinet | |||
531 | 5513270 | Speaker box | |||
1995 | |||||
532 | 5479520 | Loudspeaker system | |||
533 | 5475764 | Bandpass woofer and method | |||
534 | 5471019 | Multiple chamber loudspeaker system | |||
535 | 5461676 | Device for improving bass reproduction in loudspeaker system with closed housings | |||
536 | 5436977 | Speaker system | |||
537 | 5432860 | Speaker system | |||
538 | 5418336 | Sound output device | |||
539 | 5406637 | Speaker enclosure assembly | |||
540 | 5397866 | Dual acoustic horn assembly | |||
541 | 5388162 | Sound innovation speaker system | |||
1994 | |||||
542 | 5373564 | Transmission line for planar waves | |||
543 | 5369712 | Speaker | |||
544 | 5361380 | Woofer module for use in a television set | |||
545 | 5351220 | Moving-coil electrodynamic electroacoustical transducer | |||
546 | 5349986 | Valve mechanism for an acoustic modulator | |||
547 | 5343535 | Loudspeaker device | |||
548 | 5333204 | Speaker system | |||
549 | 5331605 | Reinforced foam core acoustic baffle | |||
550 | 5327504 | Device to improve the bass reproduction in loudspeaker systems using closed housings | |||
551 | 5313525 | Acoustic apparatus with secondary quarterwave resonator | |||
552 | 5309518 | Multiple driver electroacoustical transducing | |||
553 | 5307418 | Center channel speaker having multiple interconnected backload amplifying chambers for surround sound stereo audio systems | |||
554 | 5304747 | Speaker with motor-controlled internal baffle | |||
555 | 5304746 | Reduction of standing waves and intermodulation distortion in electro-acoustic transducer | |||
556 | 5287412 | Arrangement for reproducing bass tones in a vehicle | |||
557 | 5286928 | Tunable speaker tube | |||
558 | 5283836 | Planar speakers | |||
559 | 5281777 | Fluid damped acoustic enclosure system | |||
560 | 5278361 | Loudspeaker system | |||
1993 | |||||
561 | 5266752 | Reflex folded horn speaker enclosure | |||
562 | 5261006 | Loudspeaker system comprising a helmholtz resonator coupled to an acoustic tube | |||
563 | 5253301 | Nondirectional acoustic generator and speaker system | |||
564 | 5250763 | Acoustical equalization device system | |||
565 | 5229555 | Speaker system and TV with the same | |||
566 | 5218175 | Vehicle electroacoustical transducing | |||
567 | 5216210 | Loudspeaker system with passive sound reflective intensifier | |||
568 | 5206465 | Sound collecting and concentrating device for attaching to the back of a loudspeaker | |||
569 | 5204501 | Synchronous common polar resonant wall type speaker cabinet | |||
570 | 5194701 | Speaker structure | |||
571 | 5193118 | Vehicular sound reproducing | |||
572 | 5191619 | Bass enhancing device for a speaker system | |||
573 | 5191177 | Tube speaker | |||
574 | 5191176 | Audio loudspeaker enclosure | |||
575 | 5189706 | Acoustic apparatus | |||
576 | 5187333 | Coiled exponential bass/midrange/high frequency horn loudspeaker | |||
577 | 5184332 | Multiport underwater sound transducer | |||
578 | 5177329 | High efficiency low frequency speaker system | |||
1992 | |||||
579 | 5173943 | Compact subwoofer with exceptional low frequency response | |||
580 | 5173575 | Acoustic apparatus | |||
581 | 5170436 | Acoustic speaker system | |||
582 | 5170435 | Waveguide electroacoustical transducing | |||
583 | 5166984 | Loudspeaker | |||
584 | 5164549 | Sonic wave generator | |||
585 | 5150418 | Speaker system | |||
586 | 5150417 | Bass reflex type speaker system | |||
587 | 5147986 | Subwoofer speaker system | |||
588 | 5138656 | Intercom with transducer enclosure to attenuate resonant frequencies | |||
589 | 5131052 | Mid-range loudspeaker assembly propagating forward and backward sound waves in phase | |||
590 | 5129006 | Electronic audio signal amplifier and loudspeaker system | |||
591 | 5123500 | Loudspeaker enclosure | |||
592 | 5115884 | Low distortion audio speaker cabinet | |||
593 | 5115883 | Loudspeaker | |||
594 | 5115474 | Speaker system | |||
595 | 5115473 | Transducer having two ducts | |||
596 | 5111905 | Speaker enclosure | |||
597 | 5111509 | Electric acoustic converter | |||
598 | 5109422 | Acoustic apparatus | |||
599 | 5105906 | Sound reproduction speaker with improved directional characteristics | |||
600 | 5105905 | Co-linear loudspeaker system | |||
601 | 5097514 | Equilateral tetrahedral speaker system | |||
602 | 5097513 | Speaker system enclosure integrated with amplifier circuit board | |||
603 | 5092424 | Electroacoustical transducing with at least three cascaded subchambers | |||
1991 | |||||
604 | 5073948 | Midrange loudspeaker driver | |||
605 | 5073946 | Thin speaker having an enclosure with an open portion and a closed portion | |||
606 | 5073945 | Loudspeaker system | |||
607 | 5073937 | Hydrodynamically pressure regulated loudspeaker systems | |||
608 | 5067583 | Polymer-filled audio loudspeaker cabinet | |||
609 | 5067159 | Structure of a speaker apparatus | |||
610 | 5056616 | Loudspeaker | |||
611 | 5036946 | Speaker system | |||
612 | 5033577 | Room sound reproducing | |||
613 | 5025886 | Multi-ported and multi-directional loudspeaker system | |||
614 | 5025885 | Multiple chamber loudspeaker system | |||
615 | 5025473 | Hemispherical speaker system | |||
616 | 5022488 | Transducer enclosure | |||
617 | 5012890 | Acoustic apparatus | |||
618 | 5012889 | Speaker enclosure | |||
619 | 5009281 | Acoustic apparatus | |||
620 | 5009280 | Acoustic apparatus | |||
621 | 5004066 | Acoustic apparatus | |||
622 | 4997058 | Sound transducer | |||
623 | 4997057 | Method and apparatus of expanding acoustic reproduction range | |||
624 | 4989187 | Acoustic apparatus | |||
625 | 4987601 | Acoustic apparatus | |||
1990 | |||||
626 | 4969196 | Speaker and horn array | |||
627 | 4957184 | Loudspeaker enclosure | |||
628 | 4953655 | Acoustic apparatus | |||
629 | 4949384 | Driving apparatus | |||
630 | 4944019 | Low sound region reproducing speaker system | |||
631 | 4942939 | Speaker system with folded audio transmission passage | |||
632 | 4939783 | Suspended speaker system | |||
633 | 4933982 | Bass reflex type speaker system duct having multiple sound paths | |||
634 | 4930596 | Loudspeaker system | |||
635 | 4928788 | Ported automotive speaker enclosure apparatus and method | |||
636 | 4926487 | Speaker system | |||
637 | 4924964 | Loudspeaker enclosure | |||
638 | 4924963 | Compact and efficient sub-woofer system and method for installation in structural partitions | |||
639 | 4924962 | Sound reproducing apparatus for use in vehicle | |||
640 | 4923031 | High output loudspeaker system | |||
641 | 4905788 | Electro-acoustic transducers | |||
642 | 4903300 | Compact and efficient sub-woofer system and method for installation in structural partitions | |||
643 | 4899390 | Thin speaker having an enclosure within an open portion and a closed portion | |||
644 | 4898260 | Loudspeaker mounting with integral back wave filter and wave modulating plate of same design | |||
645 | 4891842 | Sound output unit for installation in a ceiling structure | |||
1989 | |||||
646 | 4889208 | Speaker enclosures | |||
647 | 4884655 | Tower-type speaker cabinet with pivoted plural speaker subassembly | |||
648 | 4877105 | Rear speaker unit for a motor vehicle | |||
649 | 4875546 | Loudspeaker with acoustic band-pass filter | |||
650 | 4872527 | Speaker system | |||
651 | 4870691 | Load and dispersion cell for sound | |||
652 | 4869340 | Very high performance loudspeaker enclosures | |||
653 | 4860367 | Low frequency loud speaker | |||
654 | 4856071 | Planar loudspeaker system | |||
655 | 4853964 | Electroacoustic apparatus for reproducing lowest to medium frequencies | |||
656 | 4850452 | Loudspeaker structure | |||
657 | 4845759 | Sound source having a plurality of drivers operating from a virtual point | |||
658 | 4837837 | Loudspeaker | |||
659 | 4819761 | Tubular loudspeaker system | |||
660 | 4807293 | Loudspeaker housing | |||
661 | 4805729 | Speaker enclosure | |||
662 | 4805221 | Construction of sound converter in sound guide, especially for loudspeakers, for example speaker boxes | |||
663 | 4802551 | Loudspeaker unit | |||
664 | 4797935 | Speaker system with independently supported top plate | |||
1988 | |||||
665 | 4792978 | Planar loudspeaker system | |||
666 | 4790407 | Resonance-compensated speaker system for vehicle | |||
667 | 4785908 | Vented loudspeaker | |||
668 | 4783820 | Loudspeaker unit | |||
669 | 4760601 | Single speaker, double tuned labyrinth type enclosure | |||
670 | 4756382 | Loudspeaker having enhanced response at bass frequencies | |||
671 | 4750585 | Loudspeaker enclosure for suppressing unwanted audio waves | |||
672 | 4741040 | Bass-reflex loudspeaker system | |||
673 | 4733749 | High output loudspeaker for low frequency reproduction | |||
674 | 4730694 | Electro-mechanical reproduction of sound | |||
675 | 4722418 | Loudspeaker enclosure | |||
1987 | |||||
676 | 4714133 | Method and apparatus for augmentation of sound by enhanced resonance | |||
677 | 4700396 | Sound-wave receiving appliance | |||
678 | 4690244 | Loudspeaker enclosures | |||
679 | 4679651 | Loudspeaker enclosure | |||
680 | 4657108 | Constant pressure device | |||
681 | 4657107 | Loudspeaker cabinet | |||
682 | 4655315 | Speaker system | |||
683 | 4650031 | Cabinet for loudspeaker | |||
684 | 4640381 | Wall-mounted resin speaker cabinet | |||
685 | 4637489 | Electroacoustic transducer | |||
686 | 4635748 | Speaker cabinet having interactive speakers | |||
1986 | |||||
687 | 4628528 | Pressure wave transducing | |||
688 | 4624338 | Loudspeaker enclosure for a vibrating diaphragm loudspeaker | |||
689 | 4623034 | Loudspeaker construction | |||
690 | 4620317 | Tabletop speaker assembly | |||
691 | 4618025 | Acoustical ducting for speakers and enclosures | |||
692 | 4616731 | Speaker system | |||
693 | 4611686 | Speaker system | |||
694 | 4598789 | Sound reproducing | |||
695 | 4593784 | Loudspeaker enclosure | |||
696 | 4592444 | Low frequency speaker enclosure | |||
697 | 4591020 | Loudspeaker enclosure with isolation of loudspeaker vibration | |||
698 | 4569414 | Augmented speaker enclosure | |||
699 | 4569076 | Motion picture theater loudspeaker system | |||
700 | 4567959 | Speaker adapted to corner-loaded installation | |||
701 | 4566557 | Flat acoustic diffuser | |||
1985 | |||||
702 | 4553628 | Speaker system | |||
703 | 4549631 | Multiple porting loudspeaker systems | |||
704 | 4530386 | Cushion tire | |||
705 | 4524846 | Loudspeaker system | |||
706 | 4524845 | Low frequency speaker enclosure | |||
707 | 4512434 | Aerodynamic bass-reflex enclosure | |||
708 | 4509615 | Multi-chamber enclosure for loudspeakers | |||
709 | 4506759 | Loudspeaker enclosure arrangement for voice communication terminals | |||
710 | 4493389 | Speaker assembly | |||
1984 | |||||
711 | 4482026 | Loudspeaker enclosure | |||
712 | 4466505 | Sound reproducing combination | |||
713 | 4462112 | Speaker system | |||
714 | 4452333 | Speaker system | |||
715 | 4450929 | Acoustic energy systems | |||
716 | 4445730 | Speaker cabinet | |||
717 | 4440260 | Bass-reflex loudspeaker system | |||
718 | 4439644 | Loud speaker enclosure | |||
719 | 4437540 | Loud-speaker | |||
720 | 4437539 | Speaker enclosure | |||
721 | 4436178 | Housing loudspeaker | |||
722 | 4433749 | Acoustic rear radiation absorption for loudspeaker systems | |||
723 | 4429181 | Audio system | |||
724 | 4429068 | Rubber material | |||
725 | 4426552 | Speaker distortion compensator | |||
1983 | |||||
726 | 4420061 | Pentagonal speaker enclosure with a downward directed dynamic damping system | |||
727 | 4413703 | Bass-reflex type speaker system | |||
728 | 4410064 | Bass response speaker housing and method of tuning same | |||
729 | 4408678 | Loudspeaker enclosure | |||
730 | 4403112 | Phase shift low frequency loudspeaker system | |||
731 | 4398619 | Loudspeaker cabinet | |||
732 | 4391346 | Loud-speaker | |||
733 | 4379951 | Electro-acoustic transducer means | |||
734 | 4373606 | Loudspeaker enclosure and process for generating sound radiation | |||
1982 | |||||
735 | 4365688 | Speaker cabinet | |||
736 | 4356882 | Device for enlarging the effective volume of a loudspeaker enclosure | |||
737 | 4356881 | Floor speaker | |||
738 | 4350847 | Subwoofer system using a passive radiator | |||
739 | 4350724 | Acoustic energy systems | |||
740 | 4349084 | Controlled ambience speaker system | |||
741 | 4340778 | Speaker distortion compensator | |||
742 | 4336861 | Speaker system | |||
743 | 4334593 | Sound reproduction system | |||
744 | 4332986 | Speaker system employing passive radiator | |||
745 | 4326099 | Low frequency cabinet, in particular for a triphonic audio network | |||
746 | 4325454 | Speaker system which inverts and redirects the speaker backwave | |||
747 | 4314620 | Loudspeaker with cone driven horn | |||
748 | 4313521 | Speaker housing | |||
1981 | |||||
749 | 4301889 | Speaker enclosure | |||
750 | 4301332 | Woofer loudspeaker | |||
751 | 4299304 | Exponential folded horn speaker enclosure | |||
752 | 4298087 | Unidirectional speaker enclosure | |||
753 | 4286688 | Loudspeaker apparatus | |||
754 | 4284844 | Loudspeaker system | |||
755 | 4284168 | Loudspeaker enclosure | |||
756 | 4284166 | Port devices for bass-reflex speaker enclosures | |||
757 | 4281738 | Spherical loudspeaker enclosure | |||
758 | 4280585 | Multi-sound speaker system | |||
759 | 4276446 | Acoustic transducer system | |||
760 | 4256198 | Acoustic apparatus | |||
761 | 4251687 | Stereophonic sound reproducing system | |||
1980 | |||||
762 | 4235301 | Folded column speaker enclosure | |||
763 | 4232204 | High fidelity loudspeaker | |||
764 | 4231445 | Acoustic lens speaker cabinet | |||
765 | 4227051 | Loud speaker and enclosure system | |||
766 | 4224469 | Stereo speaker system | |||
767 | 4221929 | Speaker system | |||
768 | 4220220 | Loudspeaker equipment | |||
769 | 4219099 | Acoustic reproduction transducer enclosure | |||
770 | 4215761 | Bass sound projection systems | |||
771 | 4213515 | Speaker system | |||
772 | 4207963 | Loudspeaker system | |||
773 | 4206832 | Drone acoustical transducer | |||
774 | 4201274 | Symmetrical speaker having structural reinforcing ports | |||
775 | 4200170 | Pyramid speaker assembly | |||
776 | 4196792 | Laminar flow vented speaker enclosure | |||
777 | 4196790 | Acoustic transducer having multiple frequency resonance | |||
778 | 4190738 | Modular furniture structure | |||
779 | 4185167 | Sound masking package | |||
1979 | |||||
780 | 4180140 | Loudspeaker porting | |||
781 | 4177873 | Loudspeaker equipment | |||
782 | 4176730 | Speaker cabinet | |||
783 | 4176253 | Current loaded pneumatically driven loudspeaker arrangements | |||
784 | 4176249 | Deleterious mechanical vibrations from dynamic loudspeaker offset by additional dynamic device | |||
785 | 4173266 | Loudspeaker enclosure | |||
786 | 4169516 | Speaker system | |||
787 | 4168762 | Loudspeaker enclosure | |||
788 | 4168761 | Symmetrical air friction enclosure for speakers | |||
789 | 4167985 | Speaker system | |||
790 | 4164988 | Fine tuned, column speaker system | |||
791 | 4161230 | Loudspeaker equipment | |||
792 | 4158400 | Sound reproducing system | |||
793 | 4157741 | Phase plug | |||
794 | 4154979 | Woofer efficiency | |||
795 | 4147229 | Vibratile mode speaker cabinet | |||
796 | 4146745 | Loudspeaker enclosure with multiple acoustically isolated drivers and a common port | |||
797 | 4146744 | Low Q multiple in phase high compliance driver ported loudspeaker enclosure | |||
798 | 4146111 | Speaker system | |||
799 | 4145571 | Loudspeaker enclosure with acoustically coupled loudspeaker damper | |||
800 | 4142604 | Speaker structure | |||
801 | 4142603 | Adjustable speaker cabinet | |||
802 | 4139076 | Loudspeaker enclosure with enhanched bass response | |||
803 | 4139075 | Loudspeaker device | |||
804 | 4135600 | Loudspeaker system | |||
1978 | |||||
805 | 4131180 | Speaker system | |||
806 | 4131179 | High fidelity speaker system | |||
807 | 4130174 | Loudspeaker | |||
808 | 4128738 | Compact transmission line loudspeaker system | |||
809 | 4127751 | Loudspeaker with rigid foamed back-cavity | |||
810 | 4126204 | Speaker system | |||
811 | 4123621 | Acoustical speaker device | |||
812 | 4119799 | Critical alignment loudspeaker system | |||
813 | 4109983 | Speaker cabinet | |||
814 | 4101736 | Device for increasing the compliance of a speaker enclosure | |||
815 | 4088915 | Curved polymeric piezoelectric electro-acoustic transducer | |||
816 | 4082159 | Ceramic speaker enclosure | |||
817 | 4076097 | Augmented passive radiator loudspeaker | |||
1977 | |||||
818 | 4064966 | Loudspeaker apparatus | |||
819 | 4057689 | High fidelity sound reproduction system and modules thereof | |||
820 | 4044855 | Loudspeaker device | |||
821 | 4042782 | High selectivity radio receiver | |||
822 | 4034165 | Transducer with rearwardly disposed damping elements | |||
823 | 4033431 | Acoustic crossover speaker enclosure | |||
824 | 4008408 | Piezoelectric electro-acoustic transducer | |||
825 | 4004094 | Enclosure system for sound generators | |||
1976 | |||||
826 | 3993162 | Acoustic speaker system | |||
827 | 3987245 | Compensated speaker-microphone | |||
828 | 3980154 | Cabinet for improving the sound output of an amplifier | |||
829 | 3978941 | Speaker enclosure | |||
830 | 3976838 | High fidelity sound reproduction system | |||
831 | 3962544 | Sound reproducing devices | |||
832 | 3953675 | Audio speaker system | |||
833 | 3952159 | Ducted port reflex enclosure | |||
834 | 3945461 | Sound speaker system | |||
835 | 3944757 | High-fidelity moving-coil loudspeaker | |||
836 | 3938617 | Speaker enclosure | |||
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 |