СПИСОК патентов США - подгруппа МПК16 H04R7/12


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№ п/п Номер патента Название патента

2017

19609437Diaphragms for loudspeaker drive units
29584922Hybrid speaker
39578434Method for making diaphragm
49560453Electroacoustic transducer
59560452Cone tweeter membrane
69544693Device for emitting an acoustic wave

2016

79521490Speaker diaphragm and production method for speaker diaphragm
89510099Speaker device
99473840Dynamic headphone unit and method of producing dynamic headphone unit
109462364Capacitance type sensor, acoustic sensor, and microphone
119398376Electroacoustic transducer
129398375Electrodynamic electroacoustic transducer, diaphragm thereof, and method of manufacturing the same
139351079Flat subwoofer
149332352Audio speaker with sandwich-structured composite diaphragm
159324315Loudspeaker diaphragm and loudspeaker using same
169277324Three part membrane speaker
179232316Optically clear diaphragm for an acoustic transducer and method for making same
189232314Loudspeaker configuration

2015

199226078Acoustic transducers
209210972Free-standing non-planar polycrystalline synthetic diamond components and method of fabrication
219210511Micro-electroacoustic device
229204221Acoustic metal diaphragm
239191747Loudspeaker with force cancelling configuration
249185494Inner magnet type microspeaker
259173034Ring shaped membrane for an electro-acoustical loudspeaker
269173033Composite vibration diaphragm and its fabrication method
279173014Speaker apparatus providing with visual screen
289148726Micro electrical mechanical system with bending deflection of backplate structure
299107002Loudspeaker diaphragm and loudspeaker using the same
309106992Loudspeaker and electronic equipment including the loudspeaker
319106988Electroacoustic transducer
329103524Immersive display with minimized image artifacts
339100752Acoustic transducers with bend limiting member
349094750Loudspeaker, inner-ear headphone including loudspeaker, and hearing aid including loudspeaker
359094743Acoustic transducers
369071898Acoustic loudspeaker
378983112Planar speaker system

2014

388646570Diaphragm of electric sound converter and its manufacturing method

2012

398215445Electroacoustic transducer

2008

407416047Diaphragm for a loudspeaker with a moving coil
417360626Audio speaker with wobble free voice coil movement
427332215Resin-molded component and method for manufacturing thereof as well as diaphragm for loudspeaker

2007

437225895Audio speaker with wobble free voice coil movement
447185735Audio speaker with wobble free voice coil movement

2006

457146021Whizzer cone for loudspeaker for producing uniform frequency response

2005

466929092Speaker diaphragm
476920957Loudspeaker diaphragm

2004

486832106Electroacoustic transducer
496801634Loudspeaker coil suspension system
506792127Elliptical dome for high frequency transducer
516757404Loud speaker, diaphragm and process for making the diaphragm
526724910Diaphragm stable through hygroscopic cycling
536700987Loudspeaker

2003

546655001Process for a diaphragm for electroacoustic transducers
556654475Electricity-to-sound transducer
566650759Speaker
576627805Audio device and method including a membrane having at least two tongues with different resonant frequencies
586594372Electroacoustic transducer
596591938Speaker diaphragm
606567529Low frequency loudspeaker driver having a polygonal diaphragm and method for mounting drivers in a tightly packed two-dimensional array
616563930Speaker
626539097Multi-functional vibration actuator
636532644Method of making a piezoelectric speaker with a unitary body comprising a base section and dome shaped vibrating section
646502662Speaker having a hemispherical vibrator

2002

656404897Ceramic metal matrix diaphragm for loudspeakers
666390232Speaker cone assembly
676385327Device having two coaxially disposed bodies which are movable relative to one another along a translation axis
686378649Speaker member and manufacturing method thereof
696359996Speaker device

2001

706327372Ceramic metal matrix diaphragm for loudspeakers
716320972Loudspeaker
726259800Speaker and speaker apparatus
4949386Speaker system
1134903308Audio transducer with controlled flexibility diaphragm

1989

1144837839Compact speaker assembly with improved low frequency response
1154821330Wide-band loudspeaker having a diaphragm area divided into sub-areas for various frequency ranges
1164817165Acoustic speaker device with a diaphragm having a spider web type core

1988

1174761817Diaphragm structure for a transducer
1184753969Diaphragm for electroacoustic transducer

1987

1194709392Dome speaker with a diaphragm having at least one elongated cut-out portion
1204674592Diaphragm for use in electro-acoustic transducer
1214646874Loudspeaker diaphragm

1986

1224595801Coupled dual cone velocity driver speaker
1234590332Phase coherent low frequency speaker
1244585090Isotrophic loudspeaker
1254582163Electro-acoustic transducer with high air permeable diaphragm
1264577069Electroacoustical transducer
1274562899Diaphragm of electroacoustic transducer and method of manufacturing the same

1985

1284550797Loudspeaker diaphragm made of a molded, sintered ceramic body
1294532383Electroacoustic transducer having a variable thickness diaphragm
1304531608High frequency compression driver
1314518642Loudspeaker diaphragm and method for making same

1984

1324488010Loudspeaker
1334478309Speaker equipped with diaphragm filled with foamed resin
1344477699Mechanical two-way loudspeaker
1354473721High-frequency loud speaker
1364470479Method of making metal coated foil speaker diaphragm
1374461930Acoustic transducer with honeycomb diaphragm
1384440983Electro-acoustic transducer with active dome
1394427846Moving coil loudspeakers

1983

1404414436Narrow-frequency band acoustic transducer
1414410768Electro-acoustic transducer
1424399179Polyester laminated film
1434395814Acoustic vibrating element of graphite and method of manufacturing same
1444395598Electro-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
1454395597Speaker diaphragm assembly and a method of manufacturing the same
1464379213Electroacoustical converter
1474377617Loudspeaker diaphragm and process for producing same
1484373607Loudspeaker cone stiffeners

1982

1494359132High performance speaker diaphragm
1504351411Speaker device
1514344503Diaphragm for electro-acoustic transducer
1524336425High frequency compression driver and method of manufacture thereof
153736208743Electrodynamic acoustic transducer with magnetic gap sealing
746178252Electroacoustic transducer comprising a diaphragm having through portions for mounting a voice coil

2000

756075866Electroacoustic transducer having axially extending corrugated supporting means for the diaphragm
766039145Diaphragm-edge integral moldings for speakers, acoustic transducers comprising same and method for fabricating same

1999

775907133Device for electroacoostic diffusion, with diaphragms, spiders and horns of balsa wood or mixtures thereof

1998

785841880Multi-point drive type speaker
795802196Speaker for radiating sound waves in all directions relative to a speaker supporting surface
805744761Diaphragm-edge integral moldings for speakers and acoustic transducers comprising same
815719946Loudspeaker for higher audio frequencies and a manufacturing method thereof

1997

825664024Loudspeaker
835608810Loudspeaker structure

1996

845570429Audio transducer with flexible foam enclosure
855556464Vibration plate of a speaker and method for producing same

1995

865473700High gain acoustic transducer
875473121Acoustic vibration plate
885471437Electrodynamic acoustic transducer
895450497Audio transducer improvements
905432004Vibration plate of a speaker and method for producing same
915418337Loudspeaker driver surrounding
925418336Sound output device
935406038Shielded speaker

1994

945371805Speaker and speaker system employing the same
955330695Method of manufacturing diaphrams for dynamic microphones
965323469Conical loudspeaker having a conical stabilizing element joined between an underside of a speaker membrane and an outside surface of a speaker moving coil carrier
975317642Loudspeakers having torque drive radiators
985293009Dust protection cap for conical loudspeaker
995283397Diaphragm for electrodynamic transducer

1993

1005259036Diaphragm for dynamic microphones and methods of manufacturing the same
1015256837Paper cone for cone type speaker
1025245669Electroacoustic transducer
1035241140Speaker diaphragm
1045198624Audio transducer with controlled flexibility diaphragm

1992

1055162619Diaphragm for a loudspeaker
1065157731Dome radiator speaker
1075150419Calotte-type treble loudspeaker

1991

1085056617Diaphragm for loudspeaker
1095047191Method for manufacturing loudspeaker diaphragm
1104989254Electro-acoustic transducer and manufacturing process

1990

1114975965Loudspeaker design
1124320264Loudspeaker with a heat resistant two-part diaphragm
1544315112Speaker

1981

1554291781Speaker diaphragm and method of preparation of the same
1564275278Diaphragm for a loudspeaker
1574254184Vibrating member for acoustic transducer and method for manufacturing the same

1980

1584225757Broad band dynamic loudspeaker
1594216271Composite diaphragm for speaker
1604190746Diaphragm material for moving coil loudspeaker, may be laminated or integral with surround

1979

1614163876Electro-acoustic transducer with variable thickness foam surfaced diaphragm
1624158756Dynamic loudspeaker with plastic basket encapsulating front pole plate
1634146756Moving voice coil transducer with diaphragm having concentric sections of opposite curvature
1644140203Acoustic diaphragm with polyurethane elastomer coating
1654139733Electro acoustic transducer with improved diaphragm
1664135601Boron coated diaphragm for use in a loud speaker
1674132872Ribbed conical-central dome diaphragm with tapered thickness components

1978

1684129195Diaphragm for speaker
1694128138Diaphragm for speaker
1704112168High stiffness speaker cone
1714086449Loudspeaker with burning resistant diaphragm

1977

1724064365Loudspeaker assembly with restructured diaphragm including a tweeter driven by a bass amplifier
1734061890Loudspeaker with single layer rectangular wire voice coil wound on slit metal bobbin with a notch in the adjacent pole plate
1744057694Speaker diaphragm having flat response curve
1754029910Wide dispersion loudspeaker with flexing diaphragm
1764020299Electro-acoustic transducer diaphragms

1976

1773985201Infinite sound reproduction chamber
1783980841Speaker edge
1793955055Dynamic loudspeaker
1803940576Loudspeaker having sound funnelling element
1813939942Electroacoustic transducers
1823935400Oval dome type speaker
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017