Patents by Inventor Hui Kuo

Hui Kuo 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).

  • Method for printing colored and white toner using a device link profile
    Patent number: 9335693
    Abstract: A method for printing on a receiver with a plurality of colored dry inks including dry black ink and a dry white ink, the method includes the steps of providing a set of multidimensional look-up tables for transforming a set of color channel inputs to a set of colored channel outputs; inputting a set of color values to the multidimensional look-up table, which values corresponds to a color rendition at each pixel location of the receiver; wherein the multidimensional look-up table outputs a new set of laydown values corresponding to the input channels and a white laydown at each pixel location; and printing the laydown values at each pixel location with the plurality of colored dry inks and dry white ink.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: May 10, 2016
    Assignee: EASTMAN KODAK COMPANY
    Inventor: Chung-Hui Kuo
  • METHOD FOR PRINTING COLORED AND WHITE TONER USING A LOOK-UP TABLE
    Publication number: 20160109838
    Abstract: A method for printing on a receiver with a plurality of colored dry inks and a dry white ink, the method includes providing a look-up table having a set of one dimensional look-up tables for each of the colored inks and black inks; inputting a value to each of the one dimensional look-up tables, which value corresponds to a laydown at each pixel location of the receiver; wherein the look-up table determines a laydown of white ink at each pixel location depending on the laydown of the colored inks and black ink; and determining an amount of white ink to laydown by computing a value from the determined white laydowns of each look-up table.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 21, 2016
    Inventor: Chung-Hui Kuo
  • METHOD FOR PRINTING COLORED AND WHITE TONER USING A DEVICE LINK PROFILE
    Publication number: 20160109839
    Abstract: A method for printing on a receiver with a plurality of colored dry inks including dry black ink and a dry white ink, the method includes the steps of providing a set of multidimensional look-up tables for transforming a set of color channel inputs to a set of colored channel outputs; inputting a set of color values to the multidimensional look-up table, which values corresponds to a color rendition at each pixel location of the receiver; wherein the multidimensional look-up table outputs a new set of laydown values corresponding to the input channels and a white laydown at each pixel location; and printing the laydown values at each pixel location with the plurality of colored dry inks and dry white ink.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 21, 2016
    Inventor: Chung-Hui Kuo
  • Apparatus for printing colored and white toner
    Patent number: 9213924
    Abstract: An apparatus for printing on a receiver with a plurality of colored dry inks and a dry white ink, the apparatus includes a look-up table having a set of one dimensional look-up tables for each of the colored inks and black inks, which look-up table which receives a value corresponding to a laydown at each pixel location of the receiver; wherein the look-up table determines a laydown of white ink at each pixel location depending on the laydown of the colored inks and black ink; and a logic and control unit which determines an amount of white ink to laydown by computing a value from the determined white laydowns of each look-up table.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: December 15, 2015
    Assignee: EASTMAN KODAK COMPANY
    Inventor: Chung-Hui Kuo
  • Systems and methods for changing rate-control setting during video encoding
    Patent number: 9172964
    Abstract: Methods for changing a rate-control (RC) setting during video encoding, performed by an RC controller and a video encoder, are provided. An embodiment of the method comprises determining whether change in the RC setting is allowed for encoding a next portion of a video sequence, detecting a request for changing the RC setting before encoding the next portion of the video sequence if the RC setting is allowed to be changed; and executing video encoding for the next portion of the video sequence ceaselessly utilizing the changed RC setting when detecting the request.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: October 27, 2015
    Assignee: MEDIATEK INC.
    Inventor: Chih-Hui Kuo
  • REDUCING HALO ARTIFACTS IN ELECTROPHOTOGRAPHIC PRINTING SYSTEMS
    Publication number: 20150279008
    Abstract: A method for processing an input image to reduce halo artifacts in an electrophotographic printing system. The input image is automatically analyzed to determine an edge map image indicating light-side edge regions that include edge pixels that are adjacent to edge transitions in the input image and are on a lighter side of the edge transition. At least one edge region dilation operation to the edge map image to expand the light-side edge regions in a direction away from the edge transitions. A corrected image is formed by modifying the input pixels of the input image corresponding to the expanded light-side edge regions to determine corrected pixels having corrected pixel values. The corrected image is then printed using the electrophotographic printing system.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 1, 2015
    Inventors: Chung-Hui Kuo, Horia Neamtu
  • Reducing halo artifacts in electrophotographic printing systems
    Patent number: 9147232
    Abstract: A method for processing an input image to reduce halo artifacts in an electrophotographic printing system. The input image is automatically analyzed to determine an edge map image indicating light-side edge regions that include edge pixels that are adjacent to edge transitions in the input image and are on a lighter side of the edge transition. At least one edge region dilation operation to the edge map image to expand the light-side edge regions in a direction away from the edge transitions. A corrected image is formed by modifying the input pixels of the input image corresponding to the expanded light-side edge regions to determine corrected pixels having corrected pixel values. The corrected image is then printed using the electrophotographic printing system.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: September 29, 2015
    Assignee: EASTMAN KODAK COMPANY
    Inventors: Chung-Hui Kuo, Horia Neamtu
  • Video encoding system and method
    Patent number: 9118891
    Abstract: A video processing method for a video image consisting of a plurality of units includes: generating a plurality of information types of at least a first unit and a second unit neighboring the first unit; and storing the plurality of information types of the first unit in a first continuous address space in a buffer and storing the plurality of information types of the second unit in a second continuous address space in the buffer, wherein the first continuous address space is adjacent to the second continuous address space. The plurality of information types of the first and second units are required for coding a specific unit, and the order of the stored plurality of information types of the first and second units is manipulated in each of the first and second continuous address spaces.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: August 25, 2015
    Assignee: MEDIATEK INC.
    Inventors: Yu-Wen Huang, Chih-Hui Kuo, Kun-Bin Lee
  • Enhanced color toner images using fluorescing magenta toners
    Patent number: 9057978
    Abstract: A composite color toner image can be enhanced in a printed receiver material by having a separate fluorescing magenta toner image applied over it to provide a “pinkish” fluorescing effect. This separate fluorescing magenta toner image is obtained using visible fluorescing dry magenta toner particles, each of which has a polymeric binder phase and a visible fluorescing colorant that emits at one or more peak wavelengths of from 510 nm and to and including 590 nm. The covering power of the fused visible fluorescing magenta toner particles in the enhanced composite color toner image is at least 350 cm2/g to and including 1100 cm2/g, and the covering power of each of the non-fluorescing cyan, non-fluorescing yellow, non-fluorescing magenta, and non-fluorescing black toner particles in the enhanced composite color toner image is at least 1500 cm2/g to and including 2300 cm2/g.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: June 16, 2015
    Assignee: EASTMAN KODAK COMPANY
    Inventors: Dinesh Tyagi, Louise Granica, Chung-Hui Kuo
  • Printer nonuniformity compensation for halftone screens
    Patent number: 9030516
    Abstract: Compensation is performed for nonuniformity in a printer. The printer has a photoreceptor and a print head with a plurality of different light sources, each light source capable of producing a plurality of different levels of light. A plurality of stored gain control signals for each light source are related to the light output of that light source. Print job data includes screened pixel levels and a halftone screen specification. The stored gain control signals are adjusted based on the halftone screen specification. The screened pixel levels are modified using the adjusted gain control signals to provide engine pixel levels. Those levels are provided to corresponding light sources to expose the photoreceptor in respective pixel areas with light corresponding to the compensated pixel levels.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: May 12, 2015
    Assignee: Eastman Kodak Company
    Inventors: Stacy M. Munechika, Chung-Hui Kuo, Hwai-Tzuu Tai, Stephen J. Famand
  • Method for calibrating specialty color toner
    Patent number: 9008527
    Abstract: A method for calibrating specialty toner, the method includes providing a substrate; depositing an invariant or substantially invariant laydown of a color toner on the substrate; depositing a varying laydown of the specialty toner; fusing the color toner and specialty toner to the substrate; measuring a color response signal of the substrate, color toner, and specialty toner; calculating a color response curve as function of the varying laydown of the specialty toner; comparing the color response curve to a target color response curve; and modifying printing parameters of the specialty toner to set the color response curve equal to or substantially equal to the target color response curve.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: April 14, 2015
    Assignee: Eastman Kadak Company
    Inventors: Chung-Hui Kuo, Michael Wu
  • Digital camera and image capturing method
    Patent number: 8994847
    Abstract: A portable device and image processing method for the device are disclosed. The method includes sensing an image, performing an eye-gazing detection process on the image to detect an eye-gazing direction of at least one eye of at least one object in the image, determining whether the eye-gazing direction meets a gazing criterion, wherein the gazing criterion defines a specific angle of the eye-gazing direction of the at least one eye of the at least one object with respect to the portable device, and wherein the eye-gazing direction is determined by analyzing pupils of the at least one eye, and triggering an application of the portable device in response to the eye-gazing direction meeting the gazing criterion.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: March 31, 2015
    Assignee: MediaTek Inc.
    Inventors: Wan-Yu Chen, Chih-Hui Kuo
  • METHODS FOR USING FLUORESCING YELLOW TONER PARTICLES
    Publication number: 20150086913
    Abstract: A fluorescing yellow polymeric toner particle comprises one or more non-fluorescing yellow colorants, and one or more fluorescing yellow colorants having one or more emission peak wavelengths of at least 480 nm and up to and including 600 nm. These fluorescing yellow polymeric toner particles can be used to provide multicolor toner images with increased yellow color gamut on various printed receiver materials.
    Type: Application
    Filed: December 3, 2014
    Publication date: March 26, 2015
    Inventors: Dinesh Tyagi, Chung-Hui Kuo, Louise Granica
  • LED control apparatus
    Patent number: 8975823
    Abstract: Provided is an LED control apparatus for controlling a color temperature of at least one LED light module, and the LED control apparatus includes an LED driver electrically connected to the LED light modules; a power conversion module; and a microcontroller unit electrically connected to the power conversion module to control a current output ratio of the LED driver; the microcontroller unit comprises a first control point connected to the LED driver and second and third control points connected to the LED modules; wherein the second and third control points are electrically connected to current controllers for controlling a current therethrough. By using the microcontroller connected to the LED driver to control the current outputs to the LED light modules, the current ratio of the LED light modules can be effectively controlled in order to change the color temperatures of the LED light modules.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: March 10, 2015
    Assignee: Just Power Integrated Technology Inc.
    Inventors: Ching-Nan Yang, Chin-Hui Kuo
  • METHOD AND APPARATUS FOR TUNING CAMERA CORRECTION SETTING FOR CAMERA MODULE
    Publication number: 20150036018
    Abstract: A camera tuning circuit has a first storage space, a second storage space and a controller. The first storage space stores a first reference camera correction setting for a reference camera module under a first color temperature. The second storage space stores a second reference camera correction setting for the reference camera module under a second color temperature, wherein the second color temperature is different from the first color temperature. The controller receives a default camera correction setting of a target camera module, the first reference camera correction setting, and the second reference camera correction setting, and generates a tuned camera correction setting for the target camera module according to the default camera correction setting, the first reference camera correction setting, and the second reference camera correction setting.
    Type: Application
    Filed: June 10, 2014
    Publication date: February 5, 2015
    Inventors: Chia-Ching Chen, Muge Wang, Chih-Ping Lin, Chia-Hui Kuo, Yu-Seng Tsai
  • ORGANIC-INORGANIC HYBRID MATERIAL FILM AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20150038039
    Abstract: The invention provides a method for manufacturing an organic-inorganic hybrid material film. The method mainly comprises hybridization of polymaleic anhydride-polyimide and silica by sol-gel route and by using a silane coupling agent to produce a structure of polymaleic anhydride-polyimide having silane, then casting and curing to form a material film. Also, the invention provides a polymaleic anhydride-polyimide-silica organic-inorganic hybrid material film.
    Type: Application
    Filed: August 1, 2013
    Publication date: February 5, 2015
    Applicant: ITEQ CORPORATION
    Inventors: Chao-Hui KUO, Ming-Hung HUANG, Po-Hsun LEE, Shun-Cheng WANG
  • MECHANISMS FOR CLEANING WAFER AND SCRUBBER
    Publication number: 20150027489
    Abstract: Embodiments of mechanisms for cleaning a wafer are provided. A method for cleaning a wafer includes cleaning a wafer by using a wafer scrubber and cleaning the wafer scrubber in a scrubber cleaning module. An agitated cleaning liquid is applied on the wafer scrubber to clean the wafer scrubber. The method also includes cleaning the wafer or a second wafer by the wafer scrubber after the wafer scrubber is cleaned by the agitated cleaning liquid.
    Type: Application
    Filed: July 23, 2013
    Publication date: January 29, 2015
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Tai-Liang LYU, Shao-Yen KU, Tzu-Yang CHUNG, Chia-Ming TAI, Chao-Hui KUO
  • Electronic device assembly
    Patent number: 8941980
    Abstract: An electronic device assembly includes an electronic device, a rotatable member rotatably attached to the electronic device about a first shaft, and a peripheral device rotatably attached to the rotatable member about a second shaft. The rotatable member and the peripheral device are located on a front side of the electronic device. The peripheral device is rotatable about the second shaft relative to the rotatable member, for allowing the rotatable member and the peripheral device to be located on a same plane. The rotatable member is rotatable about the first shaft relative to the electronic device, for allowing the rotatable member and the peripheral device to be cooperatively attached to a back side of the electronic device.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: January 27, 2015
    Assignee: ScienBiziP Consulting(Shenzhen)Co., Ltd.
    Inventors: Po-Yen Hsu, Shih-Wei Chao, Yu-Lang Chang, Lee-Hui Kuo
  • Fluorescing yellow toner particles and methods of use
    Patent number: 8936893
    Abstract: A fluorescing yellow polymeric toner particle comprises one or more non-fluorescing yellow colorants, and one or more fluorescing yellow colorants having one or more emission peak wavelengths of at least 480 nm and up to and including 600 nm. These fluorescing yellow polymeric toner particles can be used to provide multicolor toner images with increased yellow color gamut.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: January 20, 2015
    Assignee: Eastman Kodak Company
    Inventors: Dinesh Tyagi, Chung-Hui Kuo, Louise Granica
  • Enhancing color toner images with fluorescing magenta toners
    Patent number: 8936897
    Abstract: A composite color toner image can be enhanced by applying a separate fluorescing toner image over it to provide an enhanced color toner image having a “pinkish” fluorescing effect. This separate fluorescing toner image is obtained using visible fluorescing dry magenta toner particles. Each of these toner particles consists essentially of a polymeric binder phase and a visible fluorescing colorant that emits at one or more peak wavelengths of at least 510 nm and up to and including 590 nm and that is dispersed within the polymeric binder phase.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: January 20, 2015
    Assignee: Eastman Kodak Company
    Inventors: Dinesh Tyagi, Louise Granica, Chung-Hui Kuo