Invention Grant
- Patent Title: Optical disc apparatus and method of driving the same
- Patent Title (中): 光盘装置及其驱动方法
-
Application No.: US12036474Application Date: 2008-02-25
-
Publication No.: US07990815B2Publication Date: 2011-08-02
- Inventor: An-sik Jeong , Joon Jeong , Joong-gon Kim , Hyun-seok Yang , Chong-sam Chung , Noh-cheol Park , Kyung-geun Lee , Jin-kyung Lee , Jong-hyun Shin
- Applicant: An-sik Jeong , Joon Jeong , Joong-gon Kim , Hyun-seok Yang , Chong-sam Chung , Noh-cheol Park , Kyung-geun Lee , Jin-kyung Lee , Jong-hyun Shin
- Applicant Address: KR Suwon-si KR Seoul
- Assignee: Samsung Electronics Co., Ltd.,Industry-Academic Foundation Yonsei University
- Current Assignee: Samsung Electronics Co., Ltd.,Industry-Academic Foundation Yonsei University
- Current Assignee Address: KR Suwon-si KR Seoul
- Agency: NSIP Law
- Priority: KR10-2007-0089969 20070905
- Main IPC: G11B7/00
- IPC: G11B7/00

Abstract:
An optical disc apparatus, and a method of driving the same, includes a light focusing element disposed to focus light emitted from a light source onto a disc; an actuator to move the light focusing element toward or away from the disc according to a voltage applied to the actuator; a light intensity detection unit to detect the intensity of light reflected from the disc; a servo unit to generate a gap error signal and a third voltage, the third voltage being the sum of a first voltage and a second voltage, and to apply the generated third voltage to the actuator; and a control unit to control the servo unit to perform a gap pull-in operation when the light focusing element is moved toward the disc according to the gap error signal and the third voltage.
Public/Granted literature
- US20090059752A1 OPTICAL DISC APPARATUS AND METHOD OF DRIVING THE SAME Public/Granted day:2009-03-05
Information query
IPC分类: