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Per Ahgren

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Patents Grantslast 30 patents

  • Information Patent Grant

    Residual echo detection based on non-causality
    • Patent number 10,129,408
    • Issue date Nov 13, 2018
    • Google LLC
    • Per Åhgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Reversed echo canceller
    • Patent number 9,913,026
    • Issue date Mar 6, 2018
    • Microsoft Technology Licensing, LLC
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Echo cancellation
    • Patent number 9,591,123
    • Issue date Mar 7, 2017
    • Microsoft Technology Licensing, LLC
    • Karsten Vandborg Sorensen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Echo removal
    • Patent number 9,521,264
    • Issue date Dec 13, 2016
    • Microsoft Technology Licensing, LLC
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Echo removal
    • Patent number 9,467,571
    • Issue date Oct 11, 2016
    • Microsoft Technology Licensing, LLC
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Estimation and suppression of harmonic loudspeaker nonlinearities
    • Patent number 9,420,390
    • Issue date Aug 16, 2016
    • Telefonaktiebolaget LM Ericsson (publ)
    • Anders Eriksson
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Echo removal
    • Patent number 9,277,059
    • Issue date Mar 1, 2016
    • Microsoft Technology Licensing, LLC
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Noise suppressing method and a noise suppressor for applying the no...
    • Patent number 9,264,804
    • Issue date Feb 16, 2016
    • Telefonaktiebolaget L M Ericsson (Publ)
    • Per Åhgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Noise suppression method and apparatus
    • Patent number 9,177,566
    • Issue date Nov 3, 2015
    • Telefonaktiebolaget L M Ericsson (Publ)
    • Per Åhgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Echo suppression
    • Patent number 9,172,816
    • Issue date Oct 27, 2015
    • Microsoft Technology Licensing, LLC
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Echo suppression
    • Patent number 9,167,342
    • Issue date Oct 20, 2015
    • Microsoft Technology Licensing, LLC
    • Per Ahgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Echo suppression
    • Patent number 9,154,873
    • Issue date Oct 6, 2015
    • Microsoft Technology Licensing, LLC
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Processing signals
    • Patent number 9,111,543
    • Issue date Aug 18, 2015
    • Skype
    • Per Åhgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Processing signals
    • Patent number 9,042,573
    • Issue date May 26, 2015
    • Skype
    • Per Åhgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Processing signals
    • Patent number 9,031,257
    • Issue date May 12, 2015
    • Skype
    • Karsten Vandborg Sorensen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Echo canceller and a method thereof
    • Patent number 8,983,058
    • Issue date Mar 17, 2015
    • Telefonaktiebolaget L M Ericsson (Publ)
    • Anders Eriksson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Noise reduction
    • Patent number 8,971,522
    • Issue date Mar 3, 2015
    • Microsoft Technology Licensing, LLC
    • Jesus de Vicente Peña
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Processing audio signals
    • Patent number 8,824,693
    • Issue date Sep 2, 2014
    • Skype
    • Per Åhgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Systems and methods for improving the intelligibility of speech in...
    • Patent number 8,756,055
    • Issue date Jun 17, 2014
    • Telefonaktiebolaget L M Ericsson (Publ)
    • Anders Eriksson
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Systems and methods for filtering a signal
    • Patent number 8,688,758
    • Issue date Apr 1, 2014
    • Telefonaktiebolaget LM Ericsson (publ)
    • Per Åhgren
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Method and arrangement for echo cancellation of voice signals
    • Patent number 8,538,034
    • Issue date Sep 17, 2013
    • Telefonaktiebolaget LM Ericsson (publ)
    • Anders Eriksson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Minimizing Echo Caused by Stereo Audio Via Position-Sensitive Acous...
    • Publication number 20240340608
    • Publication date Oct 10, 2024
    • Google LLC
    • Jesús de Vicente Peña
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Reversed Echo Canceller
    • Publication number 20160050491
    • Publication date Feb 18, 2016
    • Microsoft Corporation
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ECHO SUPPRESSION
    • Publication number 20140357326
    • Publication date Dec 4, 2014
    • Microsoft Corporation
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ECHO REMOVAL
    • Publication number 20140357324
    • Publication date Dec 4, 2014
    • Microsoft Corporation
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ECHO REMOVAL
    • Publication number 20140357325
    • Publication date Dec 4, 2014
    • Microsoft Corporation
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ECHO REMOVAL
    • Publication number 20140357323
    • Publication date Dec 4, 2014
    • Microsoft Corporation
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ECHO CANCELLATION
    • Publication number 20140355752
    • Publication date Dec 4, 2014
    • Microsoft Corporation
    • Karsten Vandborg Sorensen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    NOISE REDUCTION
    • Publication number 20140334631
    • Publication date Nov 13, 2014
    • Microsoft Corporation
    • Jesus de Vicente Peña
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ECHO SUPPRESSION
    • Publication number 20140177858
    • Publication date Jun 26, 2014
    • Microsoft Corporation
    • Per Ahgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ECHO SUPPRESSION
    • Publication number 20140177859
    • Publication date Jun 26, 2014
    • Microsoft Corporation
    • Per Ahgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ESTIMATION AND SUPPRESSION OF HARMONIC LOUDSPEAKER NONLINEARITIES
    • Publication number 20130287216
    • Publication date Oct 31, 2013
    • TELEFONAKTIEBOLAGET L M ERICSSON (publ)
    • Anders Eriksson
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    NOISE SUPPRESSING METHOD AND A NOISE SUPPRESSOR FOR APPLYING THE NO...
    • Publication number 20130272540
    • Publication date Oct 17, 2013
    • TELEFONAKTIEBOLAGET L M ERICSSON (publ)
    • Per Åhgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Processing Signals
    • Publication number 20130136274
    • Publication date May 30, 2013
    • Per Ähgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Processing Signals
    • Publication number 20130083942
    • Publication date Apr 4, 2013
    • Per Åhgren
    • G01 - MEASURING TESTING
  • Information Patent Application

    Processing Audio Signals
    • Publication number 20130083934
    • Publication date Apr 4, 2013
    • Skype
    • Per Åhgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Processing Signals
    • Publication number 20130083943
    • Publication date Apr 4, 2013
    • Karsten Vandborg Sorensen
    • G01 - MEASURING TESTING
  • Information Patent Application

    ECHO CANCELLER AND A METHOD THEREOF
    • Publication number 20130044872
    • Publication date Feb 21, 2013
    • TELEFONAKTIEBOLAGET L M ERICSSON (publ)
    • Anders Eriksson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Systems and Methods for Improving the Intelligibility of Speech in...
    • Publication number 20110249827
    • Publication date Oct 13, 2011
    • Telefonaktiebolaget LM Ericsson (publ)
    • Anders Eriksson
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SYSTEMS AND METHODS FOR FILTERING A SIGNAL
    • Publication number 20110252077
    • Publication date Oct 13, 2011
    • Per Åhgren
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Noise Suppression Method and Apparatus
    • Publication number 20110137646
    • Publication date Jun 9, 2011
    • Telefonaktiebolaget L M Ericsson
    • Per Ahgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Noise Suppression Method and Apparatus
    • Publication number 20100274561
    • Publication date Oct 28, 2010
    • Per Ahgren
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Method and Arrangement for Echo Cancellation of Voice Signals
    • Publication number 20100260344
    • Publication date Oct 14, 2010
    • Telefonaktiebolaget LM Ericsson (publ)
    • Anders Eriksson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE