Patents by Inventor Alexander VIGANDER

Alexander VIGANDER 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).

  • VARIABLE LIGHT DIFFUSING FILTER FOR CAMERAS
    Publication number: 20240219792
    Abstract: A variable light diffusing filter (100) for a camera (300) uses a liquid crystal device (102, 104, 172) in which the amount of diffusion can be readily controlled by varying the voltage (150) applied to the liquid crystal device.
    Type: Application
    Filed: September 2, 2022
    Publication date: July 4, 2024
    Inventors: Jesper OSTERMAN, Alexander VIGANDER, Terry J. SCHEFFER