Patents Assigned to Nokia Corportation
  • Planar transformers
    Patent number: 6794977
    Abstract: In a planar transformer, at least a portion of each of the windings are intermingled in an intermingled portion. Within the intermingled portion, each full turn of each winding is effected by one self-crossing and two crossings of each other winding having turns in said intermingled portion. The windings may be formed in the conductor layers of an integrated circuit.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: September 21, 2004
    Assignee: Nokia Corportation
    Inventor: Kaare Tais Christensen