Patents by Inventor Bjoern Dalen

Bjoern Dalen 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).

  • Inductive motion sensor
    Patent number: 5183056
    Abstract: An inductive motion sensor (MS) connectable to a subject (16), the motion sensor having a coil (4) and a magnet member (3) movable relative to the coil (4). The magnet member (3) has at least four magnetic poles, whereby the number of south poles (S) is equal to the number of north poles (N). The pole strength of the magnetic poles is dimensioned and the magnetic poles are located on the magnet member (3) such that the magnet member (3) is situated in a neutral equilibrium position in a uniform magnetic field with respect to the forces exerted on the magnetic poles by the magnetic field.
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: February 2, 1993
    Assignee: Siemens Aktiengesellschaft
    Inventors: Bjoern Dalen, Kenth-Ake-Sune Nilsson, Kurt Hoegnelid, Liliane Wecke