JPH0423331B2 - - Google Patents

Info

Publication number
JPH0423331B2
JPH0423331B2 JP57069937A JP6993782A JPH0423331B2 JP H0423331 B2 JPH0423331 B2 JP H0423331B2 JP 57069937 A JP57069937 A JP 57069937A JP 6993782 A JP6993782 A JP 6993782A JP H0423331 B2 JPH0423331 B2 JP H0423331B2
Authority
JP
Japan
Prior art keywords
track
servo
gain
frequency
playback
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.)
Expired - Lifetime
Application number
JP57069937A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58188339A (ja
Inventor
Chiaki Nonaka
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP6993782A priority Critical patent/JPS58188339A/ja
Publication of JPS58188339A publication Critical patent/JPS58188339A/ja
Publication of JPH0423331B2 publication Critical patent/JPH0423331B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP6993782A 1982-04-26 1982-04-26 光学式再生装置 Granted JPS58188339A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6993782A JPS58188339A (ja) 1982-04-26 1982-04-26 光学式再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6993782A JPS58188339A (ja) 1982-04-26 1982-04-26 光学式再生装置

Publications (2)

Publication Number Publication Date
JPS58188339A JPS58188339A (ja) 1983-11-02
JPH0423331B2 true JPH0423331B2 (de) 1992-04-22

Family

ID=13417072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6993782A Granted JPS58188339A (ja) 1982-04-26 1982-04-26 光学式再生装置

Country Status (1)

Country Link
JP (1) JPS58188339A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940377A (ja) * 1982-08-30 1984-03-06 Hitachi Ltd ピツクアツプサ−ボ回路
JPS6122445A (ja) * 1984-07-10 1986-01-31 Toshiba Corp デイスク再生装置のトラツキングサ−ボ回路
US4764860A (en) * 1985-06-26 1988-08-16 Nippon Gakki Seizo Kabushiki Kaisha Servo circuit for an information recording and/or reproducing apparatus
JPH0756699B2 (ja) * 1985-09-25 1995-06-14 株式会社日立製作所 焦点位置制御装置
JPS636516U (de) * 1986-06-30 1988-01-16
JPH01282747A (ja) * 1988-05-09 1989-11-14 Omron Tateisi Electron Co 光カード記録再生方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183671A (en) * 1981-05-08 1982-11-12 Hitachi Ltd Tracking control circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183671A (en) * 1981-05-08 1982-11-12 Hitachi Ltd Tracking control circuit

Also Published As

Publication number Publication date
JPS58188339A (ja) 1983-11-02

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