KR970063161A - Servo control method for accessing high-speed data of optical disc reproducing apparatus - Google Patents

Servo control method for accessing high-speed data of optical disc reproducing apparatus Download PDF

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Publication number
KR970063161A
KR970063161A KR1019960003412A KR19960003412A KR970063161A KR 970063161 A KR970063161 A KR 970063161A KR 1019960003412 A KR1019960003412 A KR 1019960003412A KR 19960003412 A KR19960003412 A KR 19960003412A KR 970063161 A KR970063161 A KR 970063161A
Authority
KR
South Korea
Prior art keywords
control signal
spindle
spindle motor
servo control
reproducing apparatus
Prior art date
Application number
KR1019960003412A
Other languages
Korean (ko)
Other versions
KR0173772B1 (en
Inventor
유원재
고영옥
Original Assignee
김광호
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019960003412A priority Critical patent/KR0173772B1/en
Priority to JP9025112A priority patent/JPH10261226A/en
Publication of KR970063161A publication Critical patent/KR970063161A/en
Application granted granted Critical
Publication of KR0173772B1 publication Critical patent/KR0173772B1/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0938—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following servo format, e.g. guide tracks, pilot signals

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. Technical field to which the invention described in the claims belongs

본 발명은 광 디스크 재생장치의 서보제어에 관한 것으로, 특히 고속 데이타 엑세스를 위한 피딩모터 및 스핀들모터의 서보제어방법에 관한 것이다,BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to servo control of an optical disk reproducing apparatus, and more particularly to a feeding motor for high-speed data access and a servo control method for a spindle motor.

2. 발명이 해결하려고 하는 기술적 과제2. Technical Challenges to be Solved by the Invention

광 디스크 재생장치에 있어서 고속으로 데이타를 엑세스할 수 있는 서보제어방법을 제공함에 있다,And a servo control method capable of accessing data at high speed in an optical disk reproducing apparatus.

3. 발명의 해결방법의 요지3. The point of the solution of the invention

광 디스크 재생장치의 고속 데이타 엑세스를 위한 서보제어방법에 있어서, 기 광 디스크에 라이트되어 있는 데이타를 리드하기 위한 커맨드가 수신되는 경우 이에 응답하여 피딩모터로 슬레드를 킥시키기 위한 피딩제어신호를 출력하는 제1과정과, 상기 커맨드가 수신되는 경우 이에 응답하여 스핀들모터를 해당 목표트랙에 대응되는 규정 RPM으로 회전하도록 스핀들제어신호를 출력하는 제2과정과, 상기 스핀들모터의 회전수를 검색하여 상기 스핀들모터가 규정 RPM으로 회전하는 경우 이에 응답하여 스핀들모터의 회전을 락킹시키기 위한 스핀들제어신호를 출력하는 제3과정과, 상기 피딩모터의 구동으로 인해 발생되는 FGP를 카운트하여 상기 슬레드가 목표 트랙상에 위치하는가를 검사하는 제4과정과, 상기 검사결과 슬레드가 목표트랙상에 위치한 경우 상기 슬래드를 스톱시키기 위한 피딩제어신호를 출력한 후 파이널 서치를 수행하는 과정으로 이루어짐을 특징으로 한다.A servo control method for accessing high-speed data of an optical disk reproducing apparatus, comprising the steps of: outputting a feeding control signal for kicking a sled with a feeding motor in response to receiving a command for reading data written on a pre- A second step of outputting a spindle control signal so as to rotate the spindle motor at a predetermined RPM corresponding to the target track in response to receiving the command; A third step of outputting a spindle control signal for locking the rotation of the spindle motor in response to rotation of the spindle motor at a predetermined RPM; and a third step of counting the FGP generated by the driving of the feeding motor, A fourth step of checking whether the sled is positioned on the target track, After feeding the output control signal to stop the right the slag constituted by any de features a process of performing a final search.

4. 발명의 중요한 용도4. Important Uses of the Invention

CDP, CD-롬등의 서보제어에 사용될 수 있다.It can be used for servo control such as CDP and CD-ROM.

Description

광 디스크 재생장치의 고속 데이타 액세스를 위한 서보제어방법Servo control method for accessing high-speed data of optical disc reproducing apparatus

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 일반적인 광 디스크 재생장치의 피딩모터를 제어하기 피딩보터제어신호 FCS의 타이밍도.FIG. 1 is a timing chart of a feeding-borer control signal FCS for controlling a feeding motor of a general optical disk reproducing apparatus.

제2도는 본 발명에 따른 광 디스크 재생장치의 블럭구성도.FIG. 2 is a block diagram of an optical disc reproducing apparatus according to the present invention; FIG.

제3도는 디스크상에 위치하는 슬레드(Sled)의 내, 외주 트랙에 따라 변화되는 스핀들모터의 회전수 변화특성도.FIG. 3 is a graph showing a change in the number of revolutions of the spindle motor that varies with the inner and outer tracks of the sled located on the disk. FIG.

Claims (4)

광 디스크 재생장치의 고속 데이타 엑세스를 위한 서보제어방법에 있어서, 기 광 디스크에 라이트되어 있는 데이타를 리드하기 위한 커맨드가 수신되는 경우 이에 응답하여 피딩모터로 슬레드를 "킥"시키기 위한 피딩제어신호를 출력하는 제1과정과, 상기 커맨드가 수신되는 경우 이에 응답하여 스핀들모터를 해당 목표트랙에 대응되는 규정 RPM으로 회전하도록 스핀들제어신호를 출력하는 제2과정과, 상기 스핀들모터의 회전수를 검색하여 상기 스핀들모터가 규정 RPM으로 회전하는 경우 이에 응답하여 스핀들모터의 회전을 락킹시키기 위한 스핀들제어신호를 출력하는 제3과정과, 상기 피딩모터의 구동으로 인해 발생되는 FGP를 카운트하여 상기 슬레드가 목표 트랙상에 위치하는가를 검사하는 제4과정과, 상기 검사결과 슬레드가 목표트랙상에 위치한 경우 상기 슬래드를 스톱시키기 위한 피딩제어신호를 출력한 후파이널 서치를 수행하는 과정으로 이루어짐을 특징으로 하는 광 디스크 재생장치의 서보제어방법.A servo control method for accessing high-speed data of an optical disk reproducing apparatus, comprising the steps of: when a command for reading data written on a light-emitting disk is received, A second step of outputting a spindle control signal to rotate the spindle motor at a predetermined RPM corresponding to the target track in response to the command when the command is received; A third step of outputting a spindle control signal for locking the rotation of the spindle motor in response to rotation of the spindle motor at a predetermined RPM; and a third step of counting the FGP generated by the driving of the feeding motor, A fourth step of checking whether or not the sled is positioned on the target track, And outputting a feeding control signal for stopping the sled to perform a final search. 제1항에 있어서, 상기 제1과정 및 제2과정의 피딩제어신호 및 스핀들제어신호는 동일시점에서 출력됨을 특징으로 하는 광 디스크 재생장치의 서보제어방법.The servo control method of claim 1, wherein the feeding control signal and the spindle control signal of the first and second processes are output at the same time. 제2항에 있어서, 상기 스핀들 모터를 규정 RPM으로 회전시키기 위해 출력되는 스핀들제어신호는 각각의 트랙에 대하여 스핀들모터의 RPM을 규정해 놓은 테이블에 근거하여 출력됨을 특징으로 하는 광 디스크 재생장치의 서보 제어방법.3. The optical disc reproducing apparatus according to claim 2, wherein a spindle control signal outputted to rotate the spindle motor at a predetermined RPM is outputted based on a table defining the RPM of the spindle motor for each track Control method. 제3항에 있어서, 상기 스핀들모터의 회전을 락킹시키기 위한 스핀들 제어신호는 상기 스핀들모터의 구동으로 인해 발생된 FGP카운트값과 해당 목표트랙에 대응되는 규정 RPM과의 차가 없을때 출력됨을 특징으로 하는 광 디스크 재생장치의 서보제어방법.The spindle motor according to claim 3, wherein the spindle control signal for locking the rotation of the spindle motor is output when there is no difference between the FGP count value generated by driving the spindle motor and the prescribed RPM corresponding to the target track A servo control method of an optical disk reproducing apparatus. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960003412A 1996-02-13 1996-02-13 Servo control method for high speed data access of optical disk reproduction KR0173772B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019960003412A KR0173772B1 (en) 1996-02-13 1996-02-13 Servo control method for high speed data access of optical disk reproduction
JP9025112A JPH10261226A (en) 1996-02-13 1997-02-07 Servo control method for high-speed data accessing of optical disk reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960003412A KR0173772B1 (en) 1996-02-13 1996-02-13 Servo control method for high speed data access of optical disk reproduction

Publications (2)

Publication Number Publication Date
KR970063161A true KR970063161A (en) 1997-09-12
KR0173772B1 KR0173772B1 (en) 1999-04-15

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JP (1) JPH10261226A (en)
KR (1) KR0173772B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100341069C (en) * 2000-04-10 2007-10-03 迪维安公司 High-speed dynamic braking system of optical disk
KR101423409B1 (en) 2009-12-22 2014-07-24 노키아 코포레이션 Method and apparatus for performing energy management via sub-system

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JPH10261226A (en) 1998-09-29
KR0173772B1 (en) 1999-04-15

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