Patents Assigned to Nokia Corporatoin
  • Optical user interface for controlling portable electric device
    Patent number: 7164411
    Abstract: An optical user interface for controlling a portable electric device, such as a portable phone is provided. The user interface comprises a stripe-like optical contact surface, on which the finger of the user of the electric device is placed. A series of images of the fingerprint is taken and processed such that a motion vector or an image of the fingerprint is obtained. The invention provides a small-sized and economical user interface in terms of battery consumption and manufacturing costs.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: January 16, 2007
    Assignee: Nokia Corporatoin
    Inventors: Kimmo Keränen, Jukka-Tapani Mäkinen, Timo Kolehmainen