Patents Examined by Gautan R. Patel
  • Patent number: 6714492
    Abstract: An optical disc player, which compensates for an eccentricity, is provided including: a spindle controller, a pickup, an RM amplifier, a focusing servo, a tracking servo and an eccentricity compensator. The spindle controller rotates an optical disc. The pickup has a focusing actuator and a tracking actuator and reads information on the optical disc. The RF amplifier detects and amplifies a focusing error signal and a tracking error signal from information on the optical disc obtained from the pickup. The focusing servo controls the focusing actuator in response to the amplified focusing error signal. The tracking servo outputs a tracking control signal in response to the amplified tracking error signal. The eccentricity compensator outputs a signal which compensates for the eccentricity of an optical disc in response to the output signal of the spindle controller, the amplified tracking error signal and the amplified tracking control signal.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: March 30, 2004
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jeong-hun Kim