JPS57120275A - Tracking servo lead-in system of recorded information reader - Google Patents

Tracking servo lead-in system of recorded information reader

Info

Publication number
JPS57120275A
JPS57120275A JP56006904A JP690481A JPS57120275A JP S57120275 A JPS57120275 A JP S57120275A JP 56006904 A JP56006904 A JP 56006904A JP 690481 A JP690481 A JP 690481A JP S57120275 A JPS57120275 A JP S57120275A
Authority
JP
Japan
Prior art keywords
pickup
signal
point
detection signal
tracking servo
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.)
Granted
Application number
JP56006904A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0121552B2 (cs
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 Corp
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 Corp, Pioneer Electronic Corp filed Critical Pioneer Corp
Priority to JP56006905A priority Critical patent/JPS57120276A/ja
Priority to JP56006904A priority patent/JPS57120275A/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
JP56006905A JPS57120276A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader
JP56006904A JPS57120275A (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
JP56006905A JPS57120276A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader
JP56006904A JPS57120275A (en) 1981-01-19 1981-01-19 Tracking servo lead-in system of recorded information reader

Publications (2)

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

Family

ID=26341126

Family Applications (2)

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

Family Applications Before (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) JPS57120276A (cs)

Cited By (5)

* 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
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
JPS59185077A (ja) * 1983-04-05 1984-10-20 Pioneer Electronic Corp トラツキングサ−ボ引込装置
JPS62170081A (ja) * 1985-12-10 1987-07-27 ドイチエ・トムソン−ブラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング ディスク状回転情報担体のトラックを捜索する方法および装置
JPS6356883A (ja) * 1986-08-28 1988-03-11 Matsushita Commun Ind Co Ltd 位置決め方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS59171087A (ja) * 1983-03-18 1984-09-27 Pioneer Electronic Corp トラツキングサ−ボ引込方式
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
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

Cited By (5)

* 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
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
JPS59185077A (ja) * 1983-04-05 1984-10-20 Pioneer Electronic Corp トラツキングサ−ボ引込装置
JPS62170081A (ja) * 1985-12-10 1987-07-27 ドイチエ・トムソン−ブラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング ディスク状回転情報担体のトラックを捜索する方法および装置
JPS6356883A (ja) * 1986-08-28 1988-03-11 Matsushita Commun Ind Co Ltd 位置決め方法

Also Published As

Publication number Publication date
JPS634271B2 (cs) 1988-01-28
JPS57120276A (en) 1982-07-27
JPH0121552B2 (cs) 1989-04-21

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