Patents by Inventor Lars Gr{overscore (o)}sta Henrik Fries

Lars Gr{overscore (o)}sta Henrik Fries 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).

  • Thermosensitive display device
    Patent number: 6278430
    Abstract: A thermosensitive display device including a thermosensitive material applied in a thin layer, and an array of resistors arranged on a thin flexible film. Each one of said resistors has a thin planar configuration and extends in the plane of said flexible film and essentially covers a square-shaped area. The resistors are arranged to emit host energy all over said square-shaped area when fed with electricity. The thin layer with thermosensitive material is applied directly in thermal contact with the thin flexible film. The device further including means for controlling the temperature in each of said areas.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: August 21, 2001
    Assignee: Array Printers AB
    Inventors: Ove Larson, Mattias Ulf Byström, Lars Gr{overscore (o)}sta Henrik Fries, Jens Göran Lindö