JPS57133572A - Control device for information reproducing device - Google Patents

Control device for information reproducing device

Info

Publication number
JPS57133572A
JPS57133572A JP1941681A JP1941681A JPS57133572A JP S57133572 A JPS57133572 A JP S57133572A JP 1941681 A JP1941681 A JP 1941681A JP 1941681 A JP1941681 A JP 1941681A JP S57133572 A JPS57133572 A JP S57133572A
Authority
JP
Japan
Prior art keywords
cpu
access
address
speed movement
target address
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP1941681A
Other languages
English (en)
Inventor
Satoru Tomita
Toshiharu Nozawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1941681A priority Critical patent/JPS57133572A/ja
Publication of JPS57133572A publication Critical patent/JPS57133572A/ja
Pending legal-status Critical Current

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

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Control Of Position Or Direction (AREA)
JP1941681A 1981-02-09 1981-02-09 Control device for information reproducing device Pending JPS57133572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1941681A JPS57133572A (en) 1981-02-09 1981-02-09 Control device for information reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1941681A JPS57133572A (en) 1981-02-09 1981-02-09 Control device for information reproducing device

Publications (1)

Publication Number Publication Date
JPS57133572A true JPS57133572A (en) 1982-08-18

Family

ID=11998647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1941681A Pending JPS57133572A (en) 1981-02-09 1981-02-09 Control device for information reproducing device

Country Status (1)

Country Link
JP (1) JPS57133572A (ja)

Similar Documents

Publication Publication Date Title
DE3265203D1 (en) Method and apparatus for controlling a stepper motor
EP0094828A3 (en) Apparatus for indicating the position of a member
DE69028186D1 (de) Plattenantriebsgerät mit Spurfolge-Servo-Mechanismus
KR870006556A (ko) 트랙킹서보 제어장치
GB1484885A (en) Recording of data on a movable data carrier
JPS5755404A (en) Playback running controller for unmanned running car
KR840000328A (ko) 가동부의 원점 복귀 제어법 및 그 장치
JPS57133572A (en) Control device for information reproducing device
KR860004402A (ko) 인덱스 서어보시스템에 의한 자기디스크 장치의 자기헤드 제어시스템
JPS5794940A (en) Optical disk device
KR890001033A (ko) 광디스크 구동장치
JPS5766568A (en) Recording and reproducing device
JPS56124168A (en) Device for reproducing information
JPS6489991A (en) Linear motor control circuit
JPS5755530A (en) Head tracking controller
JPS57125409A (en) Method for control of home position of automatic driven vehicle
JPS576443A (en) Recorder and reproducer
JPS57210483A (en) Origin returning method for head of magnetic disk device
JPS53120120A (en) Motor drive control circuit
JPS576435A (en) Tape recording control device
JPS6417271A (en) Access device
JPS563468A (en) Magnetic disk device
JPS54151810A (en) Magnetic disk controller
JPS644986A (en) Information memory device
JPS56101676A (en) Sound recording and reproducing device for magnetic sheet