Patents by Inventor Markku Kalevi Vehvilainen

Markku Kalevi Vehvilainen 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).

  • Method and apparatus for illumination
    Patent number: 8459811
    Abstract: In accordance with an example embodiment of the present invention, an apparatus comprises a light source capable of illuminating a target scene and an adjustable light filter coupled with the light source, the adjustable light filter adapted to display a filter image, the filter image created to spatially filter the illumination based at least in part on at least one parameter.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: June 11, 2013
    Assignee: Nokia Corporation
    Inventors: Sakari Tapio Alenius, Markku Kalevi Vehvilainen, Radu Ciprian Bilcu
  • METHOD AND APPARATUS FOR ILLUMINATION
    Publication number: 20110157895
    Abstract: In accordance with an example embodiment of the present invention, an apparatus comprises a light source capable of illuminating a target scene and an adjustable light filter coupled with the light source, the adjustable light filter adapted to display a filter image, the filter image created to spatially filter the illumination based at least in part on at least one parameter.
    Type: Application
    Filed: December 30, 2009
    Publication date: June 30, 2011
    Applicant: NOKIA CORPORATION
    Inventors: Sakari Tapio Alenius, Markku Kalevi Vehvilainen, Radu Ciprian Bilcu