Patents by Inventor Drew D. Summers

Drew D. Summers 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: 7064861
    Abstract: A method for representing an extended color gamut digital image on a hard-copy output medium having a limited color gamut comprising the steps of adjusting the color values of the extended color gamut digital image to fit within the limited color gamut of the output medium to form a limited color gamut digital image, producing a limited color gamut output print from the limited color gamut digital image on the hard-copy output medium, determining a residual image representing a difference between the extended color gamut digital image and the limited color gamut digital image, and encoding the residual image on the output print using a digital encoding means such that the residual image and the limited color gamut output print are adapted to be used to form a reconstructed extended color gamut digital image.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: June 20, 2006
    Assignee: Eastman Kodak Company
    Inventors: Ronald M. Wexler, Robert P. Bourdelais, Kevin E. Spaulding, Robert C. Bryant, Drew D. Summers
  • Patent number: 6748106
    Abstract: A method for representing an extended color gamut digital image on a hard-copy output medium having a limited color gamut comprising the steps of adjusting the color values of the extended color gamut digital image to fit within the limited color gamut of the output medium to form a limited color gamut digital image, producing a limited color gamut output print from the limited color gamut digital image on the hard-copy output medium, determining a residual image representing a difference between the extended color gamut digital image and the limited color gamut digital image, and encoding the residual image on the output print using a digital encoding means such that the residual image and the limited color gamut output print are adapted to be used to form a reconstructed extended color gamut digital image.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: June 8, 2004
    Assignee: Eastman Kodak Company
    Inventors: Robert C. Bryant, Kevin E. Spaulding, Drew D. Summers
  • Publication number: 20020097409
    Abstract: A method for representing an extended color gamut digital image on a hard-copy output medium having a limited color gamut comprising the steps of adjusting the color values of the extended color gamut digital image to fit within the limited color gamut of the output medium to form a limited color gamut digital image, producing a limited color gamut output print from the limited color gamut digital image on the hard-copy output medium, determining a residual image representing a difference between the extended color gamut digital image and the limited color gamut digital image, and encoding the residual image on the output print using a digital encoding means such that the residual image and the limited color gamut output print are adapted to be used to form a reconstructed extended color gamut digital image.
    Type: Application
    Filed: December 5, 2000
    Publication date: July 25, 2002
    Applicant: Eastman Kodak Company
    Inventors: Ronald M. Wexler, Robert P. Bourdelais, Kevin E. Spaulding, Robert C. Bryant, Drew D. Summers
  • Patent number: 5867298
    Abstract: A dual format pre-objective scanner (10), for use in a laser printer, having an incident beam (22) from input optics (12) incident on a polygon tower (14) comprised of a first polygon (20) having a first diameter and first number of facets and a second polygon (30) having a second diameter and second number of facets, rotating about an axis (42) common to both first and second polygon. The polygon tower (14) is moved in a vertical direction so that the incident light is directed in a plane approximately perpendicular to the axis rotation of the first and second polygon, at either the first polygon (20) or the second polygon (30). The polygon tower (14) is also moved in a lateral direction approximately perpendicular to the axis (42) of rotation of the polygon tower (14).
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: February 2, 1999
    Assignee: Eastman Kodak Company
    Inventors: Michael E. Harrigan, Badhri Narayan, Drew D. Summers
  • Patent number: 5838355
    Abstract: A printer system includes (a) an f-.theta. lens producing lateral color aberration; (b) three laser light sources, each producing a light beam for use with said f-.theta. lens; and (c) modulators modulating these laser light beams at different data rates from one another. The ratio of the different data rates is being used to compensate for the lateral color aberration produced by the f-.theta. lens.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: November 17, 1998
    Assignee: Eastman Kodak Company
    Inventors: Badhri Narayan, Drew D. Summers
  • Patent number: 5528288
    Abstract: In an illumination system for a film telecine scanner of the type adapted to provide a line of illumination on the image frames of a film which is supported for movement in a film gate of the scanner, an improved light control system for adjusting the amount of light that is delivered from a light source to an integrating cylinder to take into account fluctuations in intensity of the light source and desired intensity changes in the line of illumination upon a change of scene in the image frames of the film as the film is being scanned.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: June 18, 1996
    Assignee: Eastman Kodak Company
    Inventors: Richard J. Sandor, Steven Sitter, Drew D. Summers, Andrew F. Kurtz, Charles P. Divito
  • Patent number: 5248997
    Abstract: In a laser imaging apparatus including a multifaceted polygon scanner, a technique for correcting facet reflectance differences to effect uniform laser light power output for all scanner facets. A set of facet reflectance look-up tables are determined as follows. Determine the relative reflectance for each facet of the polygon scanner. Calculate gain factors referenced to the minimum relative reflectance. Determine the relationship between laser power and DAC code value for the minimum reflectance facet for a number of measured values. Calculate this relationship for all 2.sup.n DAC code values to produce a look-up table for the minimum reflectance facet. Shift the laser powers by the relative reflectance for each other facet of the polygon scanner and back calculate the DAC code values that would yield the same laser powers as the minimum reflectance facet to produce look-up tables for the other facets.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: September 28, 1993
    Assignee: Eastman Kodak Company
    Inventor: Drew D. Summers
  • Patent number: 5237348
    Abstract: Positioning of a scan line (L) relative to a recording medium drum (15) of a polygon printer is established by independently adjusting blocks (35, 36) mounted on a scan line generating optics module (10) through adjustments made to an external beam sensing fixture (52). Inverted V-notches (38) used for nesting the blocks (35, 36) onto cylindrical surfaces of drum bearings (33) are nested onto corresponding cylindrical surfaces of fixture ends (54, 55). X, z, .theta..sub.x and .theta..sub.z positions are then set by x and z direction adjustment screws (44, 45, 49, 50) mounted on a support structure (73) to make adjustments in the fixture positions against the bias of springs (100). Clamping screws (45, 46) pass through oversized holes (47, 48) on blocks (35, 36) to releasably lock blocks (35, 36) after adjustment. The z direction adjustment includes levers (85) and dual ball socket assemblies (95, 96, 97) so that adjustment of the .theta..sub.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: August 17, 1993
    Assignee: Eastman Kodak Company
    Inventors: Douglas L. Blanding, Michael E. Harrigan, David Kessler, Drew D. Summers
  • Patent number: 5214441
    Abstract: Positioning of a scan line (L) relative to a recording medium drum (15) of a polygon printer is established by independently adjusting blocks (35, 36) mounted on a scan line generating optics module (10) through adjustments made to an external beam sensing fixture (52). Inverted V-notches (38) used for nesting the blocks (35, 36) onto cylindrical surfaces of drum bearings (33) are nested onto corresponding cylindrical surfaces of fixture ends (54, 55). X, z, .theta..sub.x and .theta..sub.z positions are then set by x and z direction adjustment screws (44, 45, 49, 50) mounted on a support structure (73) to make adjustments in the fixture positions against the bias of springs (100). Clamping screws (45, 46) pass through oversized holes (47, 48) on blocks (35, 36) to releasably lock blocks (35, 36) after adjustment. The z direction adjustment includes levers (85) and dual ball socket assemblies (95, 96, 97) so that adjustment of the .theta..sub.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: May 25, 1993
    Assignee: Eastman Kodak Company
    Inventors: Douglass L. Blanding, Michael E. Harrigan, David Kessler, Drew D. Summers