Patents by Inventor Thomas Hommel

Thomas Hommel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Active noise reduction
    Patent number: 10056066
    Abstract: A noise reducing sound reproduction system comprises a loudspeaker that is connected to a loudspeaker input path and that radiates noise reducing sound. A microphone is connected to a microphone output path and picks up the noise or a residual thereof. An active noise reduction filter is connected between the microphone output path and the loudspeaker input path, and the active noise reduction filter comprises at least one shelving filter.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: August 21, 2018
    Assignee: Harman Becker Automotive Systems GmbH
    Inventors: Markus Christoph, Johann Freundorfer, Thomas Hommel
  • ACTIVE NOISE REDUCTION
    Publication number: 20170345407
    Abstract: A noise reducing sound reproduction system comprises a loudspeaker that is connected to a loudspeaker input path and that radiates noise reducing sound. A microphone is connected to a microphone output path and picks up the noise or a residual thereof. An active noise reduction filter is connected between the microphone output path and the loudspeaker input path, and the active noise reduction filter comprises at least one shelving filter.
    Type: Application
    Filed: August 14, 2017
    Publication date: November 30, 2017
    Inventors: Markus CHRISTOPH, Johann FREUNDORFER, Thomas HOMMEL
  • Active noise reduction
    Patent number: 9734814
    Abstract: A noise reducing sound reproduction system comprises a loudspeaker that is connected to a loudspeaker input path and that radiates noise reducing sound. A microphone is connected to a microphone output path and picks up the noise or a residual thereof. An active noise reduction filter is connected between the microphone output path and the loudspeaker input path, and the active noise reduction filter comprises at least one shelving filter.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: August 15, 2017
    Assignee: Harman Becker Automotive Systems GmbH
    Inventors: Markus Christoph, Johann Freundorfer, Thomas Hommel
  • Active noise reduction
    Patent number: 9099076
    Abstract: A noise reducing sound reproduction system comprises a loudspeaker that is connected to a loudspeaker input path and that radiates noise reducing sound. A microphone is connected to a microphone output path and picks up the noise or a residual thereof. An active noise reduction filter is connected between the microphone output path and the loudspeaker input path, and the active noise reduction filter comprises at least one shelving filter.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: August 4, 2015
    Assignee: Harman Becker Automotive Systems GmbH
    Inventors: Markus Christoph, Johann Freundorfer, Thomas Hommel
  • ACTIVE NOISE REDUCTION
    Publication number: 20150201277
    Abstract: A noise reducing sound reproduction system comprises a loudspeaker that is connected to a loudspeaker input path and that radiates noise reducing sound. A microphone is connected to a microphone output path and picks up the noise or a residual thereof. An active noise reduction filter is connected between the microphone output path and the loudspeaker input path, and the active noise reduction filter comprises at least one shelving filter.
    Type: Application
    Filed: March 27, 2015
    Publication date: July 16, 2015
    Inventors: Markus Christoph, Johann Freundorfer, Thomas Hommel