Patents by Inventor Audun Ramstad

Audun Ramstad 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).

  • Patent number: 7492550
    Abstract: In methods and arrangements for concentrating stray magnetic fields, a pair of permanent magnets is employed in combination with a magnetic flux circuit, the permanent magnets in the pair having respective magnetizations that are oriented oppositely to each other. The permanent magnets produce a stray magnetic field that adds to a magnetic field produced by the magnetic flux circuit.
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: February 17, 2009
    Assignee: Tandberg Storage ASA
    Inventors: Vladimir Nikolaevich Samofalov, Leonid Zakharovich Lub'yaniy, Evgeniy Ivanovich Il'yashenko, Audun Ramstad
  • Publication number: 20060187580
    Abstract: In methods and arrangements for concentrating stray magnetic fields, a pair of permanent magnets is employed in combination with a magnetic flux circuit, the permanent magnets in the pair having respective magnetizations that are oriented oppositely to each other. The permanent magnets produce a stray magnetic field that adds to a magnetic field produced by the magnetic flux circuit.
    Type: Application
    Filed: November 18, 2003
    Publication date: August 24, 2006
    Inventors: Vladimir Samofalov, Leonid Lub'yaniy, Evgeniy Il'yashenko, Audun Ramstad