Patents by Inventor Sedsel Fretheim

Sedsel Fretheim 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 forming, projecting and detecting a coded pattern image with a camera and recognition system
    Patent number: 8436836
    Abstract: Method and apparatus (16) for projecting infrared or near infrared or low intensity visible light from a pen, pointer or other guiding object in the form of a coded pattern image, detectable by a camera and recognition system but invisible, or hardly visible to the user and audience, thus controlling and interacting with a computer (19) during a presentation, computer supported work and/or other interactive use of a computer, including pointing, selecting, drawing and writing, both distantly (11) and closely (10) to the front or rear projection screen or possible other type of display screen, without any distracting visual patterns or spots, while the possible visual feedback to the user and audience can be generated by the computer and display system onto the display screen in a controlled and context-sensitive way.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: May 7, 2013
    Assignee: Epson Norway Research and Development AS
    Inventors: Tormod Njølstad, Mikael Lindgren, Øystein Damhaug, Sedsel Fretheim Thomassen
  • Visual System
    Publication number: 20090040195
    Abstract: Method and apparatus (16) for projecting infrared or near infrared or low intensity visible light from a pen, pointer or other guiding object in the form of a coded pattern image, detectable by a camera and recognition system but invisible, or hardly visible to the user and audience, thus controlling and interacting with a computer (19) during a presentation, computer supported work and/or other interactive use of a computer, including pointing, selecting, drawing and writing, both distantly (11) and closely (10) to the front or rear projection screen or possible other type of display screen, without any distracting visual patterns or spots, while the possible visual feedback to the user and audience can be generated by the computer and display system onto the display screen in a controlled and context-sensitive way.
    Type: Application
    Filed: November 2, 2005
    Publication date: February 12, 2009
    Applicant: NEW INDEX AS
    Inventors: Tormod Njolstad, Mikael Lindgren, Oystein Damhaug, Sedsel Fretheim