Inventor · disambiguated record
Markus Christoph
Also filed as: CHRISTOPH MARKUS · CHRISTOPH MARKUS E
126 granted patents·19 pending applications·910 citations·filing 1998–2024
99Inventor score
Files withHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH79CHRISTOPH MARKUS33HARMAN BECKER AUTOMOTIVE SYS11CONTINENTAL AUTOMOTIVE GMBH3PFAFFINGER GERHARD3
Top patents by PatentIndex Score
145 records- 0198US10827263B2Adaptive beamformingHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2017·Granted Nov 3, 2020·36 cites·18 claims
- 0298US6529605B1Method and apparatus for dynamic sound optimizationHARMAN INT IND·Filed 2000·Granted Mar 4, 2003·140 cites·12 claims
- 0397US10930297B2Acoustic echo cancelingHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2017·Granted Feb 23, 2021·36 cites·22 claims
- 0497US8788554B2Sub-band adaptive FIR-filteringCHRISTOPH MARKUS·Filed 2011·Granted Jul 22, 2014·29 cites·14 claims
- 0596US11425476B2System and method for adaptive control of online extraction of loudspeaker parametersHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2020·Granted Aug 23, 2022·5 cites·23 claims
- 0696US8824697B2Passenger compartment communication systemCHRISTOPH MARKUS·Filed 2010·Granted Sep 2, 2014·39 cites·31 claims
- 0796US7885417B2Active noise tuning systemHARMAN BECKER AUTOMOTIVE SYS·Filed 2005·Granted Feb 8, 2011·85 cites·13 claims
- 0896US7302062B2Audio enhancement systemHARMAN BECKER AUTOMOTIVE SYS·Filed 2005·Granted Nov 27, 2007·41 cites·38 claims
- 0992US9711131B2Sound zone arrangement with zonewise speech suppressionHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2015·Granted Jul 18, 2017·10 cites·20 claims
- 1092US8199923B2Active noise control systemCHRISTOPH MARKUS·Filed 2008·Granted Jun 12, 2012·23 cites·38 claims
- 1191US9338554B2Sound system for establishing a sound zoneHARMAN BECKER AUTOMOTIVE SYS·Filed 2014·Granted May 10, 2016·15 cites·15 claims
- 1290US10909963B2Automatic noise controlHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2018·Granted Feb 2, 2021·5 cites·17 claims
- 1390US10157606B2Automatic noise controlHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2017·Granted Dec 18, 2018·6 cites·20 claims
- 1489US10715917B2Sound wave field generationHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2015·Granted Jul 14, 2020·10 cites·6 claims
- 1589US8144882B2Sound tuning methodCHRISTOPH MARKUS·Filed 2008·Granted Mar 27, 2012·21 cites·19 claims
- 1689US7881482B2Audio enhancement systemHARMAN BECKER AUTOMOTIVE SYS·Filed 2006·Granted Feb 1, 2011·20 cites·20 claims
- 1788US9357304B2Sound system for establishing a sound zoneHARMAN BECKER AUTOMOTIVE SYS·Filed 2014·Granted May 31, 2016·11 cites·20 claims
- 1888US8903101B2Active noise reduction systemCHRISTOPH MARKUS·Filed 2011·Granted Dec 2, 2014·15 cites·19 claims
- 1988US8644521B2Adaptive noise control system with secondary path estimationCHRISTOPH MARKUS·Filed 2010·Granted Feb 4, 2014·14 cites·20 claims
- 2087US10235985B2Externally coupled loudspeaker system for a vehicleHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2016·Granted Mar 19, 2019·6 cites·16 claims
- 2187US8976974B2Sound tuning systemCHRISTOPH MARKUS·Filed 2012·Granted Mar 10, 2015·8 cites·14 claims
- 2287US8559648B2Active noise control using bass managementCHRISTOPH MARKUS·Filed 2008·Granted Oct 15, 2013·12 cites·18 claims
- 2387US8170221B2Audio enhancement system and methodCHRISTOPH MARKUS·Filed 2007·Granted May 1, 2012·12 cites·19 claims
- 2486US9734814B2Active noise reductionHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2015·Granted Aug 15, 2017·7 cites·16 claims
- 2585US10097944B2Sound reproduction for a multiplicity of listenersHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2017·Granted Oct 9, 2018·7 cites·14 claims
- 2684US10176795B2Active noise control by adaptive noise filteringHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2016·Granted Jan 8, 2019·5 cites·15 claims
- 2784US9118290B2Speed dependent equalizing control systemCHRISTOPH MARKUS·Filed 2012·Granted Aug 25, 2015·8 cites·20 claims
- 2883US9194413B2Fixing device and method for fixing in an opening in a wallCHRISTOPH MARKUS·Filed 2009·Granted Nov 24, 2015·21 cites·24 claims
- 2983US8712068B2Acoustic echo cancellationCHRISTOPH MARKUS·Filed 2010·Granted Apr 29, 2014·7 cites·10 claims
- 3083US8160282B2Sound system equalizationCHRISTOPH MARKUS·Filed 2007·Granted Apr 17, 2012·15 cites·40 claims
- 3183US8116481B2Audio enhancement systemCHRISTOPH MARKUS·Filed 2006·Granted Feb 14, 2012·8 cites·25 claims
- 3282US10497357B2Active noise reduction earphonesHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2018·Granted Dec 3, 2019·3 cites·15 claims
- 3381US9813835B2Sound system for establishing a sound zoneHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2015·Granted Nov 7, 2017·4 cites·17 claims
- 3481US9735746B2Automatic loudness controlHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2013·Granted Aug 15, 2017·5 cites·34 claims
- 3581US8210037B2Sensor module with a housing which may be mounted on a wallCHRISTOPH MARKUS·Filed 2007·Granted Jul 3, 2012·10 cites·15 claims
- 3681US8184828B2Background noise estimation utilizing time domain and spectral domain smoothing filteringCHRISTOPH MARKUS·Filed 2010·Granted May 22, 2012·9 cites·13 claims
- 3780US9633645B2Adaptive noise control system with improved robustnessHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2015·Granted Apr 25, 2017·3 cites·20 claims
- 3879US10339912B1Active noise cancellation system utilizing a diagonalization filter matrixHARMAN INT IND·Filed 2018·Granted Jul 2, 2019·3 cites·18 claims
- 3979US8306234B2System for improving communication in a roomCHRISTOPH MARKUS·Filed 2007·Granted Nov 6, 2012·9 cites·23 claims
- 4079US7826623B2Handsfree system for use in a vehicleNUANCE COMMUNICATIONS INC·Filed 2004·Granted Nov 2, 2010·18 cites·26 claims
- 4178US9489953B2Directional coding conversionHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2014·Granted Nov 8, 2016·5 cites·17 claims
- 4277US11765504B2Input signal decorrelationHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2020·Granted Sep 19, 2023·1 cites·17 claims
- 4377US10056066B2Active noise reductionHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2017·Granted Aug 21, 2018·2 cites·21 claims
- 4477US8165310B2Dereverberation and feedback compensation systemCHRISTOPH MARKUS·Filed 2006·Granted Apr 24, 2012·7 cites·21 claims
- 4577US8009841B2Handsfree communication systemNUANCE COMMUNICATIONS INC·Filed 2007·Granted Aug 30, 2011·6 cites·5 claims
- 4676US8879747B2Adaptive filtering systemCHRISTOPH MARKUS·Filed 2012·Granted Nov 4, 2014·4 cites·20 claims
- 4776US8571855B2Audio enhancement systemCHRISTOPH MARKUS·Filed 2005·Granted Oct 29, 2013·6 cites·33 claims
- 4875US9953627B2Engine noise controlHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2016·Granted Apr 24, 2018·2 cites·21 claims
- 4974US9591420B2Generation of individual sound zones within a listening roomHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2014·Granted Mar 7, 2017·4 cites·9 claims
- 5074US9583090B2Active noise reductionHARMAN BECKER AUTOMOTIVE SYSTEMS GMBH·Filed 2013·Granted Feb 28, 2017·4 cites·13 claims
Showing the top 50 of 145 patent records by PatentIndex Score.
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