KR960025536A - Track Servo Factor Correction Method when Moving the Track of Optical Disc - Google Patents

Track Servo Factor Correction Method when Moving the Track of Optical Disc Download PDF

Info

Publication number
KR960025536A
KR960025536A KR1019940034989A KR19940034989A KR960025536A KR 960025536 A KR960025536 A KR 960025536A KR 1019940034989 A KR1019940034989 A KR 1019940034989A KR 19940034989 A KR19940034989 A KR 19940034989A KR 960025536 A KR960025536 A KR 960025536A
Authority
KR
South Korea
Prior art keywords
track
moving
target
optical disc
error
Prior art date
Application number
KR1019940034989A
Other languages
Korean (ko)
Other versions
KR0150818B1 (en
Inventor
양연모
Original Assignee
배순훈
대우전자 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.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940034989A priority Critical patent/KR0150818B1/en
Publication of KR960025536A publication Critical patent/KR960025536A/en
Application granted granted Critical
Publication of KR0150818B1 publication Critical patent/KR0150818B1/en

Links

Classifications

    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • 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

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Abstract

본 발명은 디스크 트랙이동시 서보계수보정방법에 관한 것으로, 트랙점프명령에 따라 현재의 트랙위치로부터 목표트랙으로의 트랙에러치를 산출하여 트랙이동을 행하는 경우에 상기 목표트랙에 대한 트랙점프명령에 따라 목표트랙으로의 이동 방향을 결정하고 그 결정된 이동방향으로의 트랙이동시 목표트랙에 대한 현재트랙의 에러치를 산출하며 그 산출된 에러치를 기초로 목표트랙에 접근되는 정도에 따라 최적화된 트랙서보계수보정치를 결정하여 목표트랙의 이동이 단시간에 이루어지도록 하는 것이다.The present invention relates to a servo coefficient correction method for moving a disc track, wherein when a track movement is performed by calculating a track error from a current track position to a target track according to a track jump command, a target according to the track jump command for the target track is performed. Determine the direction of movement to the track, calculate the error value of the current track for the target track when moving the track in the determined movement direction, and determine the optimized track servo coefficient correction value according to the degree of approaching the target track based on the calculated error value. To move the target track in a short time.

Description

광디스크의 트랙이동시 트랙서보계수보정방법Track Servo Factor Correction Method when Moving the Track of Optical Disc

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 광디스크의 트랙이동시 트랙서보계수보정방법을 구현하는 광디스크 재생시스템의서보계통을 나타낸 블럭구성도, 제2도는 본 발명에 따른 광디스크의 트랙이동시 트랙서보계수보정방법을 설명하는 플로우차트.1 is a block diagram showing a servo system of an optical disc reproducing system for implementing a track servo coefficient correction method for moving a track of an optical disc according to the present invention, and FIG. Flowchart.

Claims (4)

트랙점프명령에 따라 현재의 트랙위치로부터 목표트랙으로의 트랙에러치를 산출하여 트랙이동을 행하는 광디스크의 트랙서보제어방법에 있어서, 상기 목표트랙에 대한 트랙점프명령에 따라 목표트랙으로의 이동방향을 결정하고 그 결정된 이동방향으로의 트랙이동시 목표트랙에 대한 현재트랙의 에러치를 산출하며 그 산출된 에러치를 기초로 목표트랙의 접근되는 정도에 따라 최적화된 트랙서보계수보정치를 결정하여 목표트랙의 이동이 단시간에 이루어지도록 하는 것을 특징으로 하는 광디스크의 트랙이동시 트랙서보계수 보정방법.In a track servo control method of an optical disc for calculating track error from a current track position to a target track according to a track jump command, the track servo control method of the optical disc determines a moving direction to a target track according to a track jump command for the target track. And calculate the error value of the current track with respect to the target track when the track moves in the determined movement direction, and determine the optimized track servo coefficient correction value according to the approaching degree of the target track based on the calculated error value. A track servo coefficient correcting method when moving a track of an optical disc, characterized in that made to. 제1항에 있어서, 상기 트랙에러치는 목표트랙위치에서 현재트랙위치를 감산하여 구하고, 상기 트랙에러치에 대한 트랙서보계수 보정은 내주 트랙과 외주 트랙에 존재하는 블럭/트랙의 수를 이동트랙수에 승산하여 구해지는 결과에 따라 행하는 것을 특징으로 하는 광디스크의 트랙이동시 트랙서보계수보정방법.The method of claim 1, wherein the track error is obtained by subtracting the current track position from the target track position, and the track servo coefficient correction for the track error is performed by moving the number of blocks / tracks existing in the inner track and the outer track. The track servo coefficient correction method for moving tracks of an optical disc according to a result obtained by multiplying by. 제2항에 있어서, 상기 이동트랙수는 일정한 트랙의 수로 설정된 것을 특징으로 하는 광디스크의 트랙이동시 트랙서보계수보정방법.The method of claim 2, wherein the number of moving tracks is set to a predetermined number of tracks. 제3항에 있어서, 상기 일정한 트랙의 수로 설정된 이동트랙수는 목표트랙에 대한 트랙에러치의 접근됨에 따라 점차 감소되도록 설정되는 것을 특징으로 하는 광디스크의 트랙이동시 트랙서보계수보정방법.4. The method as claimed in claim 3, wherein the number of moving tracks set to the predetermined number of tracks is set to gradually decrease as the track error for the target track approaches. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940034989A 1994-12-19 1994-12-19 Method for compensating track servo coefficient upon accessing track on optical disk KR0150818B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940034989A KR0150818B1 (en) 1994-12-19 1994-12-19 Method for compensating track servo coefficient upon accessing track on optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940034989A KR0150818B1 (en) 1994-12-19 1994-12-19 Method for compensating track servo coefficient upon accessing track on optical disk

Publications (2)

Publication Number Publication Date
KR960025536A true KR960025536A (en) 1996-07-20
KR0150818B1 KR0150818B1 (en) 1998-10-15

Family

ID=19402136

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940034989A KR0150818B1 (en) 1994-12-19 1994-12-19 Method for compensating track servo coefficient upon accessing track on optical disk

Country Status (1)

Country Link
KR (1) KR0150818B1 (en)

Also Published As

Publication number Publication date
KR0150818B1 (en) 1998-10-15

Similar Documents

Publication Publication Date Title
EP0408392B1 (en) Optical disk recording and reproducing apparatus
GB2349268A (en) Minimizing settling time in a disc drive servo system
KR960025423A (en) Apparatus and method for reproducing data from a multi-layer disc
US5598304A (en) Fuzzy controller for an actuator and the controlling method thereof
JP3623528B2 (en) Method and apparatus for decelerating the head of a disk drive
EP0378329A3 (en) Servo circuit for magnetic disk apparatus
KR910006935A (en) Track access control circuit of optical disk device
KR960025536A (en) Track Servo Factor Correction Method when Moving the Track of Optical Disc
GB2312765A (en) Track seeking control system
JPH04321936A (en) Head movement control method and optical disk device
EP0441969A4 (en) Seek circuit of optical disk
US5235577A (en) Information recording and/or reproducing apparatus for timing switching of a jumping pulse from an intermittently detected tracking signal
JPH04351720A (en) Information recording and reproducing device
AU7054091A (en) A tracking system in an optical recording/reproducing device
KR970023020A (en) Optical pickup travel distance control method of optical disk system
KR930014345A (en) Track jumping control method of optical disk device and system therefor
JPH0536099A (en) Information recording and reproducing device
JP2591832B2 (en) Digital servo device
JPS6453210A (en) Method and device for driving servo system
TWI266281B (en) A method of improving the seek function in an optical disk drive
JPH04205765A (en) Speed controller for optical head
JP3361662B2 (en) Optical storage device seek control method and optical storage device
JPS5782256A (en) Head alignment system
JPH0363975A (en) Positioning control system
KR100272098B1 (en) Method for controlling the driving voltage of the sled motor according to a sled deflection for optical disk reproducing apparatus

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20090601

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee