Patents by Inventor Chia-Ling Huang

Chia-Ling Huang 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 and apparatus for achieving a short seek with a stepping motor
    Patent number: 7345966
    Abstract: A method for controlling a stepping motor in an optical storage system and for achieving a short seek with the stepping motor is disclosed. The optical storage system comprises a pick-up head and object lens, wherein the object lens is movably installed on the pick-up head. The method includes determining a number of steps that the stepping motor should rotate; moving the object lens toward a target track; and utilizing the stepping motor to move the pick-up head toward a target position according to the number of steps that the stepping motor should rotate.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: March 18, 2008
    Assignee: Mediatek Incorporation
    Inventor: Chia-Ling Huang
  • METHOD AND APPARATUS FOR ACHIEVING A SHORT SEEK WITH A STEPPING MOTOR
    Publication number: 20050068862
    Abstract: A method for controlling a stepping motor in an optical storage system and for achieving a short seek with the stepping motor is disclosed. The optical storage system comprises a pick-up head and object lens, wherein the object lens is movably installed on the pick-up head. The method includes determining a number of steps that the stepping motor should rotate; moving the object lens toward a target track; and utilizing the stepping motor to move the pick-up head toward a target position according to the number of steps that the stepping motor should rotate.
    Type: Application
    Filed: September 23, 2004
    Publication date: March 31, 2005
    Inventor: Chia-Ling Huang
  • Tool box
    Patent number: D617098
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: June 8, 2010
    Inventor: Chia-Ling Huang
  • Handle
    Patent number: D632156
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: February 8, 2011
    Inventor: Chia Ling Huang
  • Portable lighting device
    Patent number: D640400
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: June 21, 2011
    Inventor: Chia-Ling Huang