Patents by Inventor Frederick DeHubry

Frederick DeHubry 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).

  • Surveillance camera device with automatically controlled shutter
    Patent number: 4646146
    Abstract: A surveillance device consists of a video camera, a shutterless objective, a transmission optic element with an automatically controlled cat's eye shutter, and reflecting mirrors, for projecting an intermediate image generated by the objective into the video camera. The objective can swivel about both axes of the image, while a deflecting mirror is coupled to the objective in such a way that the intermediate image is always located in the same place.
    Type: Grant
    Filed: January 3, 1985
    Date of Patent: February 24, 1987
    Assignee: Dedo Weigert Film GmbH
    Inventors: Frederick DeHubry, Gunter Knon