Patents by Inventor Heide Kuhrau

Heide Kuhrau 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).

  • Filter with acoustically coupled resonators
    Patent number: 7304553
    Abstract: A component operating with surface-proximal acoustic waves, in particular a filter with novel structure, has interdigital transducers arranged in serial and parallel branches, which are acoustically coupled with one another in different configurations. The component provides a loss-poor filter with simultaneously space-saving arrangement of the filter elements.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: December 4, 2007
    Assignee: Epcos AG
    Inventors: Thomas Bauer, Ken-ya Hashimoto, Ulrike Roesler, Werner Ruile, Veit Meister, Heide Kuhrau, Michael Jakob
  • Filter comprising acoustically coupled resonators
    Publication number: 20050212620
    Abstract: A component operating with surface-proximal acoustic waves, in particular a filter with novel structure, has interdigital transducers arranged in serial and parallel branches, which are acoustically coupled with one another in different configurations. The component provides a loss-poor filter with simultaneously space-saving arrangement of the filter elements.
    Type: Application
    Filed: March 25, 2003
    Publication date: September 29, 2005
    Inventors: Thomas Bauer, Ken-ya Hashimoto, Ulrike Roesler, Werner Ruile, Veit Meister, Heide Kuhrau, Michael Jakob