Patents by Inventor Holger Opfer

Holger Opfer 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).

  • Battery unit and wiring unit for a battery unit
    Patent number: 10566596
    Abstract: A battery unit includes multiple cell modules which are interconnected. The cell modules respectively include multiple battery cells. Local cell module control units are associated with the cell modules. The cell module control units are configured in such a way that they control and/or monitor the cell modules. The cell module control units are applied to at least one flat conductor sheet. The flat conductor sheet has plugs which are plugged into mating plugs of the cell modules. There is also described a wiring unit for a battery unit.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: February 18, 2020
    Assignee: Volkswagen AG
    Inventors: Stephan Schmidt, Matthias Berg, Holger Opfer
  • BATTERY UNIT AND WIRING UNIT FOR A BATTERY UNIT
    Publication number: 20180069223
    Abstract: A battery unit includes multiple cell modules which are interconnected. The cell modules respectively include multiple battery cells. Local cell module control units are associated with the cell modules. The cell module control units are configured in such a way that they control and/or monitor the cell modules. The cell module control units are applied to at least one flat conductor sheet. The flat conductor sheet has plugs which are plugged into mating plugs of the cell modules. There is also described a wiring unit for a battery unit.
    Type: Application
    Filed: August 31, 2017
    Publication date: March 8, 2018
    Inventors: STEPHAN SCHMIDT, MATTHIAS BERG, HOLGER OPFER
  • Electrostatic planar loudspeaker arrangement in a motor vehicle
    Patent number: 8848938
    Abstract: A loudspeaker arrangement in a motor vehicle includes at least one loudspeaker, which is able to be driven by an audio processor, the loudspeaker being arranged as at least one electrostatic planar loudspeaker.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: September 30, 2014
    Assignee: Volkswagen AG
    Inventor: Holger Opfer
  • Device and method for acoustic communication and/or perception in a motor vehicle
    Publication number: 20090136049
    Abstract: A device for acoustic communication and/or perception in a motor vehicle includes at least one microphone and at least one loudspeaker, which are assigned to a vehicle seat, the microphones taking the form of directional microphones, the at least one loudspeaker taking the form of a directional loudspeaker. A method is for improving the acoustic communication and/or perception in a motor vehicle.
    Type: Application
    Filed: September 28, 2005
    Publication date: May 28, 2009
    Applicant: VOLKSWAGEN AG
    Inventor: Holger Opfer
  • Loudspeaker Arrangement in a Motor Vehicle
    Publication number: 20080192953
    Abstract: A loudspeaker arrangement in a motor vehicle includes at least one loudspeaker, which is able to be driven by an audio processor, the loudspeaker being arranged as at least one electrostatic planar loudspeaker.
    Type: Application
    Filed: September 28, 2005
    Publication date: August 14, 2008
    Inventor: Holger Opfer