Patents by Inventor Bert O. Josson

Bert O. Josson 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).

  • Object sensing apparatus
    Patent number: 4888532
    Abstract: An object sensing apparatus includes a plurality of light emitting diodes for illuminating a region of space and a plurality of closely arranged light detectors for receiving light reflected from an object. The apparatus is particularly useful in connection with automatically operated doors.
    Type: Grant
    Filed: May 30, 1980
    Date of Patent: December 19, 1989
    Assignee: Besam AB
    Inventor: Bert O. Josson