Patents by Inventor Christopher M. Downs

Christopher M. Downs 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).

  • Combination shutter and attenuator disk for an imaging apparatus
    Publication number: 20030197116
    Abstract: A combination shutter and attenuator disk assembly for use in an imaging apparatus includes a circular disk that has a circular attenuation portion which surrounds a rotational axis of the disk, and circular shutter portion that surrounds the circular attenuating portion. The circular attenuation portion is divided into at least a variety of attenuating sections. The assembly also includes a movement device that includes a shutter cylinder for linearly moving the disk between shuttered and attenuated positions, and a rotatable motor that is adapted to rotate the disk to a desired attenuation section of the disk.
    Type: Application
    Filed: April 18, 2002
    Publication date: October 23, 2003
    Applicant: David A. Novais, Eastman Kodak Company
    Inventor: Christopher M. Downs
  • Method and apparatus for providing sync on R-G-B video signals
    Patent number: 5091774
    Abstract: A method and apparatus for detecting the presence of a synchronization signal in at least one of a red, green and blue video input signal is disclosed, that permits signal processing to occur on the red, green and blue video input signals after the synchronization signal has been removed therefrom, while providing a reconstituted synchronization signal that is combined with the red, green and blue video signals after the completion of the signal processing.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: February 25, 1992
    Assignee: Eastman Kodak Company
    Inventors: John D. Lovely, Christopher M. Downs