Patents by Inventor Hans-Jurgen Gach

Hans-Jurgen Gach 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 with a front-mounted sealing element and method of manufacturing the same
    Publication number: 20040062407
    Abstract: A loudspeaker and a method of manufacturing a loudspeaker having a front-mounted sealing element is disclosed. A molded sealing element made of thermoplastic elastomer is disposed on the front end face of the loudspeaker. The loudspeaker according to the invention, unlike conventional loudspeakers having foam sealing strips, is easier to manufacture and produces a better acoustic seal, as well as improved temperature and humidity stability.
    Type: Application
    Filed: September 30, 2003
    Publication date: April 1, 2004
    Applicant: Harman Audio Electronic Systems GmbH
    Inventors: Gerhard Ziegler, Gerhard Laubmann, Hans-Jurgen Gach, Warner Brauner
  • Loudspeaker with a front-mounted sealing element and method of manufacturing the same
    Patent number: 6661902
    Abstract: A loudspeaker and a method of manufacturing a loudspeaker having a front-mounted sealing element is disclosed. A molded sealing element made of thermoplastic elastomer is disposed on the front end face of the loudspeaker. The loudspeaker according to the invention, unlike conventional loudspeakers having foam sealing strips, is easier to manufacture and produces a better acoustic seal, as well as improved temperature and humidity stability.
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: December 9, 2003
    Assignee: Harman Audio Electronic Systems GmbH
    Inventors: Gerhard Ziegler, Gerhard Laugmann, Hans-Jürgen Gach, Werner Brauner