Patents by Inventor Silvano Pregara

Silvano Pregara 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).

  • Autofocus sensor
    Patent number: 6600878
    Abstract: A passive autofocus sensor for a camera comprising charge-coupled device (“CCD”) elements arranged in a plurality of curved segments to form generally circular or semi-circular sensor spots. Such an autofocus sensor enables the camera to detect contrast in the subject being photographed in a multitude of directions about the axis of the camera's focusing lens, hence improving the camera's ability to automatically focus upon the subject being photographed.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: July 29, 2003
    Inventor: Silvano Pregara
  • Autofocus sensor
    Publication number: 20030021600
    Abstract: A passive autofocus sensor for a camera comprising charge-coupled device (“CCD”) elements arranged in a plurality of curved segments to form generally circular or semi-circular sensor spots. Such an autofocus sensor enables the camera to detect contrast in the subject being photographed in a multitude of directions about the axis of the camera's focusing lens, hence improving the camera's ability to automatically focus upon the subject being photographed.
    Type: Application
    Filed: October 24, 2001
    Publication date: January 30, 2003
    Inventor: Silvano Pregara