Patents by Inventor Jorg Knieschewski

Jorg Knieschewski 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).

  • Loudspeaker apparatus with light source and cooling device
    Patent number: 8891807
    Abstract: There is provided a loudspeaker apparatus which has a diaphragm and a magnet system for driving the diaphragm. The loudspeaker apparatus also has a light source and a cooling device (K) having at least one cooling unit for cooling the at least one light source. The light source is thermally coupled to the first cooling unit. The first cooling unit with the at least one light source is arranged in front of the diaphragm. The outside of the diaphragm can have light reflecting properties.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: November 18, 2014
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventors: Achim Gleiβner, Jörg Knieschewski
  • Loudspeaker system and waveshaping unit
    Patent number: 8842865
    Abstract: The invention concerns a loudspeaker system having a plurality of segmented line array speakers and a plurality of acoustic waveshapers. In addition there is provided an overlap region between two adjacent waveshapers.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: September 23, 2014
    Assignees: K+H Vertriebs-und Entwicklungsgesellschaft mbH, Sennheiser Electronic GmbH & Co. KG
    Inventor: Jörg Knieschewski
  • LOUDSPEAKER APPARATUS
    Publication number: 20130294639
    Abstract: There is provided a loudspeaker apparatus which has a diaphragm and a magnet system for driving the diaphragm. The loudspeaker apparatus also has a light source and a cooling device (K) having at least one cooling unit for cooling the at least one light source. The light source is thermally coupled to the first cooling unit. The first cooling unit with the at least one light source is arranged in front of the diaphragm. The outside of the diaphragm can have light reflecting properties.
    Type: Application
    Filed: November 28, 2011
    Publication date: November 7, 2013
    Inventors: Achim Gleißneir, Jörg Knieschewski
  • Loudspeaker unit
    Patent number: 8503690
    Abstract: There is provided a loudspeaker unit, in particular a ceiling loudspeaker unit, which has a housing (50) having a front housing portion (60). Arranged in the front housing portion (60) are a woofer unit (10), a baffle panel (70) and a tweeter unit (30) in a 2-way coaxial system. The tweeter unit (30) has a tweeter horn having a plurality of legs (33) and a plurality of openings (31) at the edge of the tweeter horn (30).
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: August 6, 2013
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Jorg Knieschewski
  • LOUDSPEAKER SYSTEM AND WAVESHAPING UNIT
    Publication number: 20120106765
    Abstract: The invention concerns a loudspeaker system having a plurality of segmented line array speakers and a plurality of acoustic waveshapers. In addition there is provided an overlap region between two adjacent waveshapers.
    Type: Application
    Filed: June 24, 2010
    Publication date: May 3, 2012
    Inventor: Jörg Knieschewski
  • LOUDSPEAKER UNIT
    Publication number: 20100124340
    Abstract: There is provided a loudspeaker unit, in particular a ceiling loudspeaker unit, which has a housing (50) having a front housing portion (60). Arranged in the front housing portion (60) are a woofer unit (10), a baffle panel (70) and a tweeter unit (30) in a 2-way coaxial system. The tweeter unit (30) has a tweeter horn having a plurality of legs (33) and a plurality of openings (31) at the edge of the tweeter horn (30).
    Type: Application
    Filed: November 17, 2009
    Publication date: May 20, 2010
    Applicant: K+H Vertriebs - und Entwicklungsgesellschaft mbH
    Inventor: Jörg Knieschewski