Patents Represented by Attorney Peyton C. Watkins
  • Patent number: 7542077
    Abstract: The present invention is directed to improving the accuracy of white balance adjustment. An image input from an image capture device 10 is divided into blocks, and white balance gains are calculated from a representative value of each block. Prior to calculation of the representative value of each block, a color range determining circuit 13 determines whether each pixel included in each block belongs to a light source color range, or belongs to an apparent object color range. A representative value of that block is calculated from remaining pixels other than pixels determined to belong to the apparent object color range. Thus, by preventing the representative value from being affected by an object color, the accuracy of white balance gains is improved.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: June 2, 2009
    Assignee: Eastman Kodak Company
    Inventor: Takanori Miki
  • Patent number: 7522203
    Abstract: An image sensor includes a substrate having a plurality of photosensitive sites for capturing an image and a plurality of additional photosensitive sites adjacent the image capturing photosensitive sites in which there is no image capture; and a digital signal embedded in one or more of the additional photosensitive sites for the purpose of identification.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: April 21, 2009
    Assignee: Eastman Kodak Company
    Inventors: Robert P. Fabinski, Laurence J. Lobel
  • Patent number: 7522205
    Abstract: An image sensor includes an array of pixels arranged into two or more subarrays and each subarray captures charge; and an output charge-coupled device that receives charge from the array of pixels; wherein the output charge-coupled device is divided into substantially two equal first and second portions in which either one portion receives charge from only one subarray or both portions receive charge respectively from a subarray, and the first portion of the charge-coupled device is a charge-multiplying charge-coupled device in which charge is amplified, and the second portion of the charge-coupled device does not amplify charge.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: April 21, 2009
    Assignee: Eastman Kodak Company
    Inventor: Christopher Parks
  • Patent number: 7521278
    Abstract: A method for forming the passivation layer for silicon-isolation interface between photosensitive regions of an image sensor, the method includes providing a substrate having a plurality of spaced apart photosensitive regions that collect charge in response to incident light; etching trenches in the substrate between the photosensitive regions; forming a plurality of masks over the photosensitive regions so that trenches between the photosensitive regions are not covered by the masks; implanting the image sensor with a first low dose to passivate the trenches; filling the trenches with a dielectric to form isolation between the photosensitive regions; forming a plurality of masks which cover the photosensitive regions but does not cover a surface corner of the isolation trench to permit passivation implantation at the surface corner of the trench isolation; and implanting the image sensor at a second low dose to passivate the surface corner of trenched isolation region.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: April 21, 2009
    Assignee: Eastman Kodak Company
    Inventor: Hiroaki Fujita
  • Patent number: 7508994
    Abstract: The present invention uses five regions of interest, 4 corners and 1 center to do Fourier Transform analysis to mark rough location of the streaks, if there is any. It sets the small window around the center in each Fourier Transform ROI to zero to mask the cluster of bright points caused by the lens rolloff or other noises. It use iterative linear regression to remove the random outliers and to search the best possible linear pattern. If it finds any streaks, it calculates the angle and converts it to the streak angle in spatial domain. Once a streak is detected, it can be removed by applying an inverse Fourier Transform on the processed magnitude and original phase Fourier Transform images.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: March 24, 2009
    Assignee: Eastman Kodak Company
    Inventors: Shen Wang, Greg L. Archer
  • Patent number: 7508436
    Abstract: A method for capturing a sequence of images, the method includes the steps of capturing a first image on an image sensor having a plurality of photosensitive areas having a first portion of photosensitive areas and a second portion of photosensitive areas; transferring the first portion of the first captured image to a first plurality of storage mechanisms; capturing a second image on the image sensor; transferring the second portion of the second captured image to a second plurality of the storage mechanisms; capturing a third image on the image sensor; reading out the first portion of the first captured image from the first plurality of storage mechanisms and reading out the second portion of the second captured image from the second plurality of storage mechanisms; and reading out the third image.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: March 24, 2009
    Assignee: Eastman Kodak Company
    Inventor: Christopher Parks
  • Patent number: 7508432
    Abstract: An image sensor includes a plurality of pixels for converting incident photons into electrical charge; an overflow drain to draw off excess charge from at one or more of the pixels; a mechanism for summing charge from two or more of the pixels; a first network of resistive devices generating a first overflow drain voltage where at least one of the resistive devices has, in parallel, a fuse that can be opened in response to an external stimulus to provide the optimum overflow drain voltage for pixel anti-blooming protection and saturation signal level for when a plurality of pixels are summed together; and a second network of resistive devices connected to the first network of resistive devices generating a second overflow drain voltage where the second overflow drain voltage is a fraction of the first overflow drain voltage and the second overflow drain voltage provides the optimum overflow drain voltage for pixel anti-blooming and saturation signal level for when none or substantially none of the plurality o
    Type: Grant
    Filed: July 19, 2006
    Date of Patent: March 24, 2009
    Assignee: Eastman Kodak Company
    Inventors: Christopher Parks, John P. McCarten
  • Patent number: 7503011
    Abstract: System and method for creating a graphical user interface. The method comprises the steps of: providing a removable display device having a display for displaying digital images stored on the display device, the display device including a graphical user interface, the display device having a electrical connector; providing a functional module electrically interfaceable with the display device, the functional module providing a function and including stored data to configure the graphical user interface to control the function of the functional module from the display device; automatically transferring the stored data from the functional module to the display device when the functional module is electrically interfaced with the display device; and using the transferred data to configure the graphical user interface.
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: March 10, 2009
    Assignee: Eastman Kodak Company
    Inventors: Larry W. Wilkinson, Joseph A. Manico, John R. Fredlund, Steven M. Belz, Anthony L. Tintera
  • Patent number: 7492404
    Abstract: An image sensor includes a substrate; a plurality of pixels on the substrate, one or more of the pixels comprises (i) first and second charge-storage regions having at least one photosensitive area; (ii) a lateral overflow drain; (iii) a first lateral overflow gate adjacent the first charge-storage regions that passes substantially all charges from the first charge-storage region to the lateral overflow drain; and (iv) a second lateral gate adjacent the second charge-storage region that passes excess photo-generated charge into the lateral overflow drain for blooming control.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: February 17, 2009
    Assignee: Eastman Kodak Company
    Inventors: Eric G. Stevens, John P. Shepherd, David N. Nichols
  • Patent number: 7465934
    Abstract: A CMOS image sensor includes a plurality of pixels arranged in an array; a plurality of sample and hold arrays; and a routing matrix which routes a signal from each pixel to one of the sample and hold arrays in a predetermined order.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: December 16, 2008
    Assignee: Eastman Kodak Company
    Inventor: Weize Xu
  • Patent number: 7458687
    Abstract: A digital cinema projection apparatus having an illumination source with a first etendue value for providing polarized polychromatic light. A first lens element lies in the path of the polarized polychromatic light for forming a substantially telecentric polarized polychromatic light beam. A color separator separates the telecentric polarized polychromatic light beam into at least two telecentric color light beams. At least two transmissive spatial light modulators modulate the two telecentric color light beams. There is an etendue value associated with each spatial light modulator. The etendue value is within 15% or greater than the first etendue value corresponding to the illumination source. A color combiner combines the modulated color beams along a common optical axis, forming a multicolor modulated beam thereby; and a projection lens directs the multicolor modulated beam toward a display surface.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: December 2, 2008
    Assignee: Eastman Kodak Company
    Inventors: Barry D. Silverstein, James R. Kircher, Joseph R. Bietry
  • Patent number: 7456380
    Abstract: An image sensor includes a plurality of photosensitive sites; a plurality of asymmetrical-shaped microlenses positioned spanning the photosensitive sites; wherein incoming light is directed in a predetermined direction by an asymmetrical surface of the asymmetrical-shaped microlenses onto the photosensitive sites for capturing the light in a substantially uniform manner.
    Type: Grant
    Filed: October 18, 2005
    Date of Patent: November 25, 2008
    Assignee: Eastman Kodak Company
    Inventors: R. Daniel McGrath, Ronald W. Wake
  • Patent number: 7456891
    Abstract: A photo sensing region is included within each pixel in a pixel array. Each photo sensing region collects photo-generated charge. A transfer region is positioned between each photo sensing region and a respective charge coupled device. A charge-coupled device receives charge from each column of pixels in the pixel array. Each charge-coupled device includes one or more barriers for causing the transfer of the charge through the charge-coupled device. Each transfer region includes a barrier that is lower than the one or more barriers in the charge-coupled device so that excess charge in the charge-coupled device flows into the photo sensing region.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: November 25, 2008
    Assignee: Eastman Kodak Company
    Inventor: Christopher Parks
  • Patent number: 7427790
    Abstract: An image sensor having a plurality of pixels; each pixel includes one or more photosensitive elements that collect charge in response to incident light; one or more transfer mechanisms that respectively transfer the charge from the one or more photosensitive elements; a charge-to-voltage conversion region having a capacitance, and the charge-to-voltage region receives the charge from the one or more photosensitive elements; a first reset transistor connected to the charge-to-voltage conversion region; a second reset transistor connected to the first reset transistor, which in combination with the first reset transistor, selectively sets the capacitance of the charge-to-voltage conversion regions from a plurality of capacitances.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: September 23, 2008
    Assignee: Eastman Kodak Company
    Inventor: Christopher Parks
  • Patent number: 7423681
    Abstract: An image sensor includes at least first and second photo-sensitive regions; a color filter array having at least two different colors that selectively absorb specific bands of wavelengths, and the two colors respectively span portions of predetermined photo-sensitive regions; and wherein the two photo sensitive regions are doped so that electrons that are released at two different depths in the substrate are collected in two separate regions of the photo sensitive regions so that, when wavelengths of light pass through the color filter array, light is absorbed by the photo sensitive regions which photo sensitive regions consequently releases electrons at two different depths of the photo sensitive regions and are stored in first and second separate regions; at least two charge-coupled devices adjacent the first photo sensitive regions; and a first transfer gate associated with the first photo sensitive region that selectively passes charge at first and second levels which, when at the first level, causes the
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: September 9, 2008
    Assignee: Eastman Kodak Company
    Inventors: Joseph R. Summa, Herbert J. Erhardt
  • Patent number: 7423668
    Abstract: A method for calibrating an image sensor having multiple outputs, the method includes the steps of capturing an image on the image sensor, injecting one or more substantially identical pairs of signals into corresponding portions of the captured image, reading out the captured image with the injected signals into two or more outputs, and comparing two substantially identical signals from corresponding portions of the image, which comparison is used for calibrating the image.
    Type: Grant
    Filed: July 11, 2005
    Date of Patent: September 9, 2008
    Assignee: Eastman Kodak Company
    Inventors: Eric J. Meisenzahl, Edward T. Nelson, John P. Shepherd
  • Patent number: 7414655
    Abstract: An image sensor comprising a plurality of pixels arranged in at least two sub-arrays; first and second delay areas respectively connected to each sub-array for respectively receiving charge from the sub-array; wherein a pitch of the first delay area is different from the second delay area and at least two readout mechanisms for respectively receiving the charge from the delay areas, wherein a same line from the first and second sub-arrays is received by each delay area at substantially the same time.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: August 19, 2008
    Assignee: Eastman Kodak Company
    Inventors: Eric J. Meisenzahl, Herbert J. Erhardt
  • Patent number: 7402882
    Abstract: A charge coupled device includes a substrate; a plurality of image pixels arranged in a two dimensional array in the substrate for capturing an electronic representation of an image and for transferring charge in a first direction; a transfer mechanism for transferring charge in a second direction from the plurality of the image pixels for further processing; an amplifier structure disposed in the substrate that receives the charge from the transfer mechanism and converts the charge into a voltage signal; a first opaque layer spanning over the amplifier for blocking near-infrared light inherently generated by an electrical field within the amplifier structure when a voltage is applied; and a second opaque layer deposited into the substrate for also blocking near-infrared light inherently generated by an electrical field within the amplifier structure when a voltage is applied.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: July 22, 2008
    Assignee: Eastman Kodak Company
    Inventors: Shen Wang, William F. DesJardin, Robert P. Fabinski, David N. Nichols, Christopher Parks, Eric G. Stevens
  • Patent number: 7382008
    Abstract: An image sensor includes a photosensitive region that accumulates charge corresponding to received incident light; a transfer gate for transferring all or a portion of the charge from the photosensitive region; a voltage supply having an increasing voltage over time that is applied to the transfer gate; a floating diffusion for receiving the all or a portion of the charge from the photosensitive region and converting the charge to a voltage; an amplifier for receiving and amplifying a signal from the floating diffusion; a pulse detector for detecting a voltage pulse from the amplifier; and a counter for counting clock cycles between initiation of the increasing voltage until a signal is received from the detector which indicates initiation of charge transfer from the photosensitive region to the floating diffusion.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: June 3, 2008
    Assignee: Eastman Kodak Company
    Inventor: Weize Xu
  • Patent number: 7361877
    Abstract: An image sensor includes a two-dimensional array of pixels having a photodetector for collecting charge in response to incident light; a storage region adjacent the photodetector that receives the charge from the photodetector; a sense node adjacent the storage region that receives the charge from the storage region and converts the charge to a voltage signal; and an input to an amplifier for sensing the voltage signal from the sense node.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: April 22, 2008
    Assignee: Eastman Kodak Company
    Inventors: R. Daniel McGrath, R. Michael Guidash