Inventor · disambiguated record
Douglas J. Button
Also filed as: BUTTON DOUGLAS J · BUTTON DOUGLAS JOHN
37 granted patents·2 pending applications·621 citations·filing 1988–2024
97Inventor score
Top patents by PatentIndex Score
39 records- 0194US8130994B2WaveguideBUTTON DOUGLAS J·Filed 2008·Granted Mar 6, 2012·54 cites·10 claims
- 0288US6774510B1Electromagnetic motor with flux stabilization ring, saturation tips, and radiatorHARMAN INT IND·Filed 2000·Granted Aug 10, 2004·29 cites·56 claims
- 0386US7684574B2Reflective loudspeaker arrayHARMAN INT IND·Filed 2006·Granted Mar 23, 2010·16 cites·32 claims
- 0485US5748760ADual coil drive with multipurpose housingHARMAN INT IND·Filed 1997·Granted May 5, 1998·93 cites·24 claims
- 0584US10127921B2Adaptive correction of loudspeaker using recurrent neural networkHARMAN INT IND·Filed 2016·Granted Nov 13, 2018·6 cites·14 claims
- 0682US10194238B2Baffle for line array loudspeakerHARMAN INT IND·Filed 2017·Granted Jan 29, 2019·4 cites·17 claims
- 0782US9743201B1Loudspeaker array protection managementAPPLE INC·Filed 2014·Granted Aug 22, 2017·6 cites·50 claims
- 0881US5042072ASelf-cooled loudspeakerHARMAN INT IND·Filed 1989·Granted Aug 20, 1991·70 cites·15 claims
- 0980US5828767AInductive braking in a dual coil speaker driver unitJBL INC·Filed 1997·Granted Oct 27, 1998·69 cites·8 claims
- 1079US9955260B2Asymmetrical passive group delay beamformingHARMAN INT IND·Filed 2016·Granted Apr 24, 2018·3 cites·19 claims
- 1179US9769560B2Manifold for multiple compression drivers with a single point source exitHARMAN INT IND·Filed 2015·Granted Sep 19, 2017·3 cites·20 claims
- 1279US5533132ALoudspeaker thermal management structureJBL INC·Filed 1995·Granted Jul 2, 1996·66 cites·11 claims
- 1379US4933975ADynamic loudspeaker for producing high audio powerELECTRO VOICE·Filed 1988·Granted Jun 12, 1990·66 cites·16 claims
- 1478US7447318B2System for using digital signal processing to compensate for power compression of loudspeakersHARMAN INT IND·Filed 2001·Granted Nov 4, 2008·24 cites·36 claims
- 1577US9173035B2Dual coil moving magnet transducerHARMAN INT IND·Filed 2013·Granted Oct 27, 2015·4 cites·20 claims
- 1677US7012345B2Electromagnetic motor with flux stabilization ring, saturation tips, and radiatorHARMAN INT IND·Filed 2004·Granted Mar 14, 2006·16 cites·39 claims
- 1776US6847726B2Shorting rings in dual-coil dual-gap loudspeaker driversHARMAN INT IND·Filed 2003·Granted Jan 25, 2005·21 cites·60 claims
- 1872US8014555B2Self-cooling electromagnetic transducerHARMAN INT IND·Filed 2006·Granted Sep 6, 2011·6 cites·25 claims
- 1971US10715913B2Neural network-based loudspeaker modeling with a deconvolution filterHARMAN INT IND·Filed 2019·Granted Jul 14, 2020·1 cites·19 claims
- 2071US10381994B2Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limitingHARMAN INT IND·Filed 2017·Granted Aug 13, 2019·2 cites·13 claims
- 2171US2025068386A1Audio parameter adjustment based on playback device separation distanceSONOS INC·Filed 2024·Application pending·0 cites
- 2270US12236162B2Audio parameter adjustment based on playback device separation distanceSONOS INC·Filed 2023·Granted Feb 25, 2025·0 cites·20 claims
- 2369US11809782B2Audio parameter adjustment based on playback device separation distanceSONOS INC·Filed 2023·Granted Nov 7, 2023·0 cites·19 claims
- 2468US10349195B1Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limitingHARMAN INT IND·Filed 2017·Granted Jul 9, 2019·1 cites·15 claims
- 2567US11743633B2Nonlinear port parameters for vented box modeling of loudspeakersHARMAN INT IND·Filed 2022·Granted Aug 29, 2023·0 cites·17 claims
- 2667US8325943B2Dual-coil, dual gap electromagnetic transducer with multiple channel amplifiersBUTTON DOUGLAS J·Filed 2007·Granted Dec 4, 2012·6 cites·23 claims
- 2763US9860633B2Baffle for line array loudspeakerHARMAN INT IND·Filed 2016·Granted Jan 2, 2018·1 cites·25 claims
- 2862US6952874B2Two-stage phasing plug system in a compression driverHARMAN INT IND·Filed 2004·Granted Oct 11, 2005·7 cites·37 claims
- 2961US6768806B1Shorting rings in dual-coil dual-gap loudspeaker driversHARMAN INT IND·Filed 1999·Granted Jul 27, 2004·33 cites·21 claims
- 3058US11310586B2Nonlinear port parameters for vented box modeling of loudspeakersHARMAN INT IND·Filed 2018·Granted Apr 19, 2022·0 cites·18 claims
- 3155US6801634B2Loudspeaker coil suspension systemHARMAN INT IND·Filed 2001·Granted Oct 5, 2004·3 cites·19 claims
- 3254US7072481B2Two-stage phasing plug system in a compression driverHARMAN INT IND·Filed 2001·Granted Jul 4, 2006·3 cites·41 claims
- 3353US10425730B2Neural network-based loudspeaker modeling with a deconvolution filterHARMAN INT IND·Filed 2016·Granted Sep 24, 2019·0 cites·11 claims
- 3453US7095869B2Loudspeaker coil suspension systemHARMAN INT IND·Filed 2004·Granted Aug 22, 2006·2 cites·14 claims
- 3548US10097917B2System for reducing response anomalies in an acoustic pathwayHARMAN INT IND·Filed 2016·Granted Oct 9, 2018·0 cites·27 claims
- 3647US2024111486A1Adjustable Mounting AssemblySONOS INC·Filed 2023·Application pending·0 cites
- 3745US10536774B2Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limitingHARMAN INT IND·Filed 2017·Granted Jan 14, 2020·0 cites·8 claims
- 3845US9820046B2Compensation of air path distortions using backpropagationHARMAN INT IND·Filed 2016·Granted Nov 14, 2017·0 cites·20 claims
- 3933US5664023ALow TCR wire in high power audio coilsJBL INC·Filed 1994·Granted Sep 2, 1997·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →