Patents by Inventor Edward H. Wakefield

Edward H. Wakefield 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).

  • Patent number: 5548328
    Abstract: A film scanner is disclosed which comprises a dynamic film gate. The film gate includes a pair of rollers for supporting the film at an imaging station and a pair of drive belts which clamp the film against the rollers. The belts are driven to advance the film through the imaging station. An integrating cylinder located above the film gate produces a line of light on the film, and light transmitted through the film in imaged onto a linear CCD image sensor.
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: August 20, 1996
    Assignee: Eastman Kodak Company
    Inventor: Edward H. Wakefield
  • Patent number: 5088813
    Abstract: A film scanner is disclosed which comprises a dynamic film gate. The gate includes a pair of rollers for supporting the film at an imaging station and a pair of drive belts which clamp the film against the rollers. The belts are driven to advance the film through the imaging station. An integrating cylinder located above the film gate produces a line of light on the film, and light transmitted through the film in imaged onto a linear CCD image sensor. In order to insure that the end of the film is held flat at the imaging station, movable guides are provided to selectively engage the film adjacent the line of light on the film.
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: February 18, 1992
    Assignee: Eastman Kodak Company
    Inventor: Edward H. Wakefield
  • Patent number: 4965632
    Abstract: A platen 3 has a flat working surface and an aperture 5. A proximal gripping member 11 is sized, shaped, and positioned to extend along the proximal side of the aperture 5 and to grip a proximal edge of a film 1 between the platen 3 and the proximal gripping member 11. A second gripping member 13 is sized, shaped, and positioned to extend along the distal side of the aperture 5 and to grip a distal edge of the film 1 between the platen 3 and the distal gripping member 13. Arms 19 press the proximal gripping member 11 at least generally perpendicularly toward the platen 3 and press the distal gripping member 13 toward the platen 3 and away from the proximal gripping member 11 after the proximal gripping member 11 has gripped the proximal edge of the film 1 in order to pull the film flat and place the film in tension across the aperture.
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: October 23, 1990
    Assignee: Eastman Kodak Company
    Inventors: Bradley S. Jadrich, Edward H. Wakefield
  • Patent number: 4863243
    Abstract: A mount for an optical device is disclosed in which a circular mirror can be adjusted relative to an optical axis. The mirror is supported along the optical axis in a holder which can be moved about orthogonal axes to provide adjustment in two rotational degrees of freedom. In order to provide a mount which can be easily adjusted and can be securely held in an adjusted position, independent support means are provided for each rotational degree of freedom, and the support means are adjustable to position an output beam from the mirror within the confines of a square cone.
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: September 5, 1989
    Assignee: Eastman Kodak Company
    Inventor: Edward H. Wakefield
  • Patent number: 4582414
    Abstract: Magnetic brush development apparatus for use in reproduction apparatus in which a support carrying a developable latent image is moved through a development zone which is transversely inclined at a predetermined angle to the horizontal. The development apparatus includes a stationary non-magnetic inclined applicator with a segment located adjacent to the development zone. The applicator is supplied with magnetic developer which is distributed over the surface of the applicator through the influence of gravity and of a magnet assembly rotatably mounted within the applicator. A reservoir associated with the applicator accumulates developer moved about the periphery of the applicator and levels it to produce a uniformly thick layer in the development zone.
    Type: Grant
    Filed: May 1, 1984
    Date of Patent: April 15, 1986
    Assignee: Eastman Kodak Company
    Inventors: Edward H. Wakefield, James W. Consaul