Inventor

CHRISTOPH MARKUS

DE116 patents

⚠️ This page may combine multiple inventors who share the name “CHRISTOPH MARKUS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH

20 patents

US10930297B2Feb 23, 2021

Acoustic echo canceling

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH36 citations95

US10827263B2Nov 3, 2020

Adaptive beamforming

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH36 citations94

US10157606B2Dec 18, 2018

Automatic noise control

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH6 citations84

US9711131B2Jul 18, 2017

Sound zone arrangement with zonewise speech suppression

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH10 citations84

US10715917B2Jul 14, 2020

Sound wave field generation

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH10 citations83

US10097944B2Oct 9, 2018

Sound reproduction for a multiplicity of listeners

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH7 citations82

US9734814B2Aug 15, 2017

Active noise reduction

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH7 citations80

US10959031B2Mar 23, 2021

Loudspeaker assembly

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH2 citations73

US10909963B2Feb 2, 2021

Automatic noise control

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH5 citations73

US10555068B2Feb 4, 2020

Active headphones with power consumption control

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH2 citations73

US10199048B2Feb 5, 2019

Bass enhancement and separation of an audio signal into a harmonic and transient signal component

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH2 citations73

US9936291B2Apr 3, 2018

Spherical microphone array including a sound diffracting structure with cavity

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH3 citations73

US9855893B2Jan 2, 2018

Generating an audio signal with a configurable distance cue

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH2 citations73

US9813835B2Nov 7, 2017

Sound system for establishing a sound zone

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH4 citations73

US9735746B2Aug 15, 2017

Automatic loudness control

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH5 citations73

US9584905B2Feb 28, 2017

Audio signal mixing

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH3 citations73

US9583090B2Feb 28, 2017

Active noise reduction

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH4 citations73

US9553553B2Jan 24, 2017

Engine sound synthesis system

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH2 citations73

US9536510B2Jan 3, 2017

Sound system including an engine sound synthesizer

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH3 citations73

US9489953B2Nov 8, 2016

Directional coding conversion

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH5 citations73

CHRISTOPH MARKUS

20 patents

US8824697B2Sep 2, 2014

Passenger compartment communication system

CHRISTOPH MARKUS39 citations94

US8788554B2Jul 22, 2014

Sub-band adaptive FIR-filtering

CHRISTOPH MARKUS29 citations93

US8199923B2Jun 12, 2012

Active noise control system

CHRISTOPH MARKUS23 citations93

US8144882B2Mar 27, 2012

Sound tuning method

CHRISTOPH MARKUS21 citations92

US9194413B2Nov 24, 2015

Fixing device and method for fixing in an opening in a wall

CHRISTOPH MARKUS21 citations86

US9118290B2Aug 25, 2015

Speed dependent equalizing control system

CHRISTOPH MARKUS8 citations84

US8712068B2Apr 29, 2014

Acoustic echo cancellation

CHRISTOPH MARKUS7 citations84

US8559648B2Oct 15, 2013

Active noise control using bass management

CHRISTOPH MARKUS12 citations84

US8306234B2Nov 6, 2012

System for improving communication in a room

CHRISTOPH MARKUS9 citations84

US8210037B2Jul 3, 2012

Sensor module with a housing which may be mounted on a wall

CHRISTOPH MARKUS10 citations84

US8184828B2May 22, 2012

Background noise estimation utilizing time domain and spectral domain smoothing filtering

CHRISTOPH MARKUS9 citations84

US8170221B2May 1, 2012

Audio enhancement system and method

CHRISTOPH MARKUS12 citations84

US8165310B2Apr 24, 2012

Dereverberation and feedback compensation system

CHRISTOPH MARKUS7 citations84

US8116481B2Feb 14, 2012

Audio enhancement system

CHRISTOPH MARKUS8 citations84

US8976974B2Mar 10, 2015

Sound tuning system

CHRISTOPH MARKUS8 citations83

US8644521B2Feb 4, 2014

Adaptive noise control system with secondary path estimation

CHRISTOPH MARKUS14 citations83

US8160282B2Apr 17, 2012

Sound system equalization

CHRISTOPH MARKUS15 citations83

US8903101B2Dec 2, 2014

Active noise reduction system

CHRISTOPH MARKUS15 citations82

US8879747B2Nov 4, 2014

Adaptive filtering system

CHRISTOPH MARKUS4 citations73

US8571855B2Oct 29, 2013

Audio enhancement system

CHRISTOPH MARKUS6 citations73

HARMAN BECKER AUTOMOTIVE SYS

5 patents

US7885417B2Feb 8, 2011

Active noise tuning system

HARMAN BECKER AUTOMOTIVE SYS85 citations98

US7302062B2Nov 27, 2007

Audio enhancement system

HARMAN BECKER AUTOMOTIVE SYS41 citations93

US9357304B2May 31, 2016

Sound system for establishing a sound zone

HARMAN BECKER AUTOMOTIVE SYS11 citations84

US9338554B2May 10, 2016

Sound system for establishing a sound zone

HARMAN BECKER AUTOMOTIVE SYS15 citations84

US7881482B2Feb 1, 2011

Audio enhancement system

HARMAN BECKER AUTOMOTIVE SYS20 citations84

NUANCE COMMUNICATIONS INC

2 patents

US7826623B2Nov 2, 2010

Handsfree system for use in a vehicle

NUANCE COMMUNICATIONS INC18 citations93

US8009841B2Aug 30, 2011

Handsfree communication system

NUANCE COMMUNICATIONS INC6 citations74

HARMAN INT IND

1 patent

US6529605B1Mar 4, 2003

Method and apparatus for dynamic sound optimization

HARMAN INT IND140 citations98

SIEMENS AG

1 patent

US6227115B1May 8, 2001

Ignition device for tripping a passenger restraint device in a motor vehicle

SIEMENS AG35 citations91

PFAFFINGER GERHARD

1 patent

US8340317B2Dec 25, 2012

Stereo audio-signal processing system

PFAFFINGER GERHARD11 citations83

Showing the top 50 of 116 patents by PatentIndex Score.