Patents by Inventor Young-sun Seo

Young-sun Seo 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).

  • Clumping mechanism for securely holding a disc in an optical disk player
    Patent number: 6046975
    Abstract: An optical includes a tray on which an optical disc is placed, a mechanism for driving the tray, a clamp for pressing the optical disc, and a housing for housing the tray therein. A clamp lever is pivotally hinged on the tray in order to retain the clamping and an elastic member for pressing the clamp is fixed to an opposite end of the clamp lever.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: April 4, 2000
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Young-sun Seo
  • Optical recording and reproducing apparatus having device for correcting position of spindle motor
    Patent number: 5867471
    Abstract: An optical recording and reproducing apparatus includes a deck, a spindle motor supported by the deck, a turntable combined with the shaft of the spindle motor, and a corrector for moving the spindle motor horizontally with respect to the surface of the deck in order to adjust the position of the turntable. Accordingly, the tracking error is easily corrected, thereby improving the performance of the apparatus.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: February 2, 1999
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-min Kim, Young-sun Seo
  • Magnetooptic disk player
    Patent number: 5586092
    Abstract: A magnetooptic disk player records and/or reproduces the information of a magnetooptic disk loaded into a disk cartridge using an optical pickup and a magnetic head. The apparatus loads and unloads the magnetooptic disk cartridge on a deck. When a recordable magnetooptic disk cartridge is unloaded, the magnetic head is raised, to be completely protected from damage.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: December 17, 1996
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Young-sun Seo
  • Device for manufacturing lubricant supply grooves in fluid bearings
    Patent number: 5325695
    Abstract: A system for manufacturing lubricant supply grooves in a fluid bearing, in which a worn working body can be replaced. A through-hole is formed in the tool body so as to receive the working body, and a working portion is formed having a predetermined curvature at both ends of the working body. Both ends of the working body protrude to the same height from the outer circumferential surface of the tool body.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: July 5, 1994
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-sun Seo, Sang-cherl Han