JPH0121552B2 - - Google Patents

Info

Publication number
JPH0121552B2
JPH0121552B2 JP56006904A JP690481A JPH0121552B2 JP H0121552 B2 JPH0121552 B2 JP H0121552B2 JP 56006904 A JP56006904 A JP 56006904A JP 690481 A JP690481 A JP 690481A JP H0121552 B2 JPH0121552 B2 JP H0121552B2
Authority
JP
Japan
Prior art keywords
tracking
pickup
recording track
error signal
signal
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
Application number
JP56006904A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57120275A (en
Inventor
Hiroyuki Hirano
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP56006904A priority Critical patent/JPS57120275A/ja
Priority to JP56006905A priority patent/JPS57120276A/ja
Publication of JPS57120275A publication Critical patent/JPS57120275A/ja
Publication of JPH0121552B2 publication Critical patent/JPH0121552B2/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
    • 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

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)
JP56006904A 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader Granted JPS57120275A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56006904A JPS57120275A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader
JP56006905A JPS57120276A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56006904A JPS57120275A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader
JP56006905A JPS57120276A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader

Publications (2)

Publication Number Publication Date
JPS57120275A JPS57120275A (en) 1982-07-27
JPH0121552B2 true JPH0121552B2 (fr) 1989-04-21

Family

ID=26341126

Family Applications (2)

Application Number Title Priority Date Filing Date
JP56006904A Granted JPS57120275A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader
JP56006905A Granted JPS57120276A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP56006905A Granted JPS57120276A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader

Country Status (1)

Country Link
JP (2) JPS57120275A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147168A (en) * 1981-03-05 1982-09-10 Matsushita Electric Ind Co Ltd Jumping scanner
JPS58143472A (ja) * 1982-02-22 1983-08-26 Hitachi Ltd 記録情報再生装置のトラツキングサ−ボ制御装置
JPS5938936A (ja) * 1982-08-28 1984-03-03 Sony Corp 情報再生装置のサ−ボコントロ−ル回路
JPS59171087A (ja) * 1983-03-18 1984-09-27 Pioneer Electronic Corp トラツキングサ−ボ引込方式
JPS59185077A (ja) * 1983-04-05 1984-10-20 Pioneer Electronic Corp トラツキングサ−ボ引込装置
JP2500417Y2 (ja) * 1983-11-01 1996-06-05 パイオニア株式会社 トラツキングサ−ボ引込装置
JPS60256927A (ja) * 1984-06-01 1985-12-18 Nippon Gakki Seizo Kk 光学式デイスク再生装置の読取り制御装置
JPS6185635A (ja) * 1984-10-02 1986-05-01 Yokogawa Hokushin Electric Corp 光デイスク装置
DE3543568A1 (de) * 1985-12-10 1987-06-11 Thomson Brandt Gmbh Verfahren fuer das spursuchen bei einem rotierenden plattenfoermigen informationstraeger und schaltungsanordnung zur durchfuehrung des verfahrens
JPH0817019B2 (ja) * 1986-08-28 1996-02-21 松下通信工業株式会社 位置決め方法
JPS643826A (en) * 1987-06-25 1989-01-09 Mitsubishi Electric Corp Optical disk device
JPH09136266A (ja) * 1995-09-13 1997-05-27 Wakui Seisakusho:Kk 多角孔付ボルト用レンチ
US7186190B1 (en) 2002-11-08 2007-03-06 Taylor Made Golf Company, Inc. Golf club head having movable weights
US8206244B2 (en) 2008-01-10 2012-06-26 Adams Golf Ip, Lp Fairway wood type golf club

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598893B2 (ja) * 1975-03-17 1984-02-28 株式会社日立製作所 情報再生装置
JPS5433724A (en) * 1977-08-20 1979-03-12 Utsumi Denki Seisakushiyo Yuug Afterrrecording and compilation system and apparatus for movie

Also Published As

Publication number Publication date
JPS57120275A (en) 1982-07-27
JPS634271B2 (fr) 1988-01-28
JPS57120276A (en) 1982-07-27

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