Birch, Stewart, Kolasch & Birch, LLP
Optical disk reproducing apparatus and method having improved servo control
Usable in an optical disk player, a servo device and a servo method for an optical disk using a plurality of beams prevent a servo error due to a defect of the optical disk by forming two beam spots on a single track of the optical disk and selectively switching to perform a servo controlling in accordance with a lagging beam spot when a defect of the disk is detected during the servo controlling in accordance with a leading beam spot.
LG Electronics Inc.
G G
G11B G11B
inventional inventional
Seong-Ju Dong-Seok Bok-Hyun In-Hyun
Lee Bae Pack Yun