Patents by Inventor Il-boon KO

Il-boon KO 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 of aligning light sources in an optical pickup device, and optical pickup and optical disc drive employing the method
    Patent number: 9263080
    Abstract: Provided is an optical pickup device and a method of aligning a twin-light source in an optical disc drive. The method operates two light emitting chips in the light source simultaneously to cause two laser beams to be transmitted through a grating element at the same time. Location errors and rotation errors of the two light emitting chips with respect to the grating element may be corrected while monitoring the laser beams transmitted through the grating element.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: February 16, 2016
    Assignee: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Jung-bae Oh, Il-boon Ko, Ki-bok Kim, Hyun-wook Nam, Eun-goo Kim
  • METHOD OF ALIGNING LIGHT SOURCES IN AN OPTICAL PICKUP DEVICE, AND OPTICAL PICKUP AND OPTICAL DISC DRIVE EMPLOYING THE METHOD
    Publication number: 20140233367
    Abstract: Provided is an optical pickup device and a method of aligning a twin-light source in an optical disc drive. The method operates two light emitting chips in the light source simultaneously to cause two laser beams to be transmitted through a grating element at the same time. Location errors and rotation errors of the two light emitting chips with respect to the grating element may be corrected while monitoring the laser beams transmitted through the grating element.
    Type: Application
    Filed: February 19, 2014
    Publication date: August 21, 2014
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Jung-bae OH, Il-boon KO, Ki-bok KIM, Hyun-wook NAM, Eun-goo KIM