JPS58211370A - 情報読取装置におけるトラツキングサ−ボ信号発生装置 - Google Patents

情報読取装置におけるトラツキングサ−ボ信号発生装置

Info

Publication number
JPS58211370A
JPS58211370A JP9328582A JP9328582A JPS58211370A JP S58211370 A JPS58211370 A JP S58211370A JP 9328582 A JP9328582 A JP 9328582A JP 9328582 A JP9328582 A JP 9328582A JP S58211370 A JPS58211370 A JP S58211370A
Authority
JP
Japan
Prior art keywords
detection
light
output
stage
phase
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
JP9328582A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0154780B2 (enrdf_load_html_response
Inventor
Seiichi Osawa
誠一 大沢
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 JP9328582A priority Critical patent/JPS58211370A/ja
Publication of JPS58211370A publication Critical patent/JPS58211370A/ja
Publication of JPH0154780B2 publication Critical patent/JPH0154780B2/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
    • G11B7/09—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
    • G11B7/0901—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 for track following only

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Control Of Position Or Direction (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP9328582A 1982-06-01 1982-06-01 情報読取装置におけるトラツキングサ−ボ信号発生装置 Granted JPS58211370A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9328582A JPS58211370A (ja) 1982-06-01 1982-06-01 情報読取装置におけるトラツキングサ−ボ信号発生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9328582A JPS58211370A (ja) 1982-06-01 1982-06-01 情報読取装置におけるトラツキングサ−ボ信号発生装置

Publications (2)

Publication Number Publication Date
JPS58211370A true JPS58211370A (ja) 1983-12-08
JPH0154780B2 JPH0154780B2 (enrdf_load_html_response) 1989-11-21

Family

ID=14078138

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9328582A Granted JPS58211370A (ja) 1982-06-01 1982-06-01 情報読取装置におけるトラツキングサ−ボ信号発生装置

Country Status (1)

Country Link
JP (1) JPS58211370A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008545217A (ja) * 2005-06-29 2008-12-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 単一スポット相関トラッキング

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58125242A (ja) * 1982-01-22 1983-07-26 Victor Co Of Japan Ltd 光学的情報信号再生装置のトラツキング誤差検出方式

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58125242A (ja) * 1982-01-22 1983-07-26 Victor Co Of Japan Ltd 光学的情報信号再生装置のトラツキング誤差検出方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008545217A (ja) * 2005-06-29 2008-12-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 単一スポット相関トラッキング

Also Published As

Publication number Publication date
JPH0154780B2 (enrdf_load_html_response) 1989-11-21

Similar Documents

Publication Publication Date Title
JPS5873023A (ja) 情報読取装置におけるトラツキングサ−ボ信号発生装置
JPS63313335A (ja) 光磁気ディスク装置
EP0910077A3 (en) Magneto-optical recording/reproducing apparatus and method
JPH1064080A (ja) 非点収差フォーカスエラー信号生成方法及び光ピックアップ装置
KR960016890B1 (ko) 광학 스캐닝 장치
EP0487206B1 (en) Apparatus for detecting position of light spot
US7057982B2 (en) Servo error detector for optical disk
JPS58211370A (ja) 情報読取装置におけるトラツキングサ−ボ信号発生装置
JPH0453036A (ja) 光学情報記録再生装置
JPH07272303A (ja) 光ディスク装置、光学ピックアップ及び光学ピックアップの組立方法
JPH04274032A (ja) 光学情報記録再生装置
US7158455B2 (en) Servo error detecting device for optical disk
JP3011491B2 (ja) トラッキングエラー検出装置
JP2001222827A (ja) 光ディスク再生装置
KR100327218B1 (ko) 디스크기록/재생시스템의서보제어장치
JPS6326836A (ja) トラツキングエラ−検出回路
JPH0154779B2 (enrdf_load_html_response)
JPH1166579A (ja) トラッキング制御装置およびトラッキング制御方法
JPS6134769A (ja) デイスク装置の読出し信号補正装置
JPS6150228A (ja) トラツキングエラ−信号生成装置
JPH0834007B2 (ja) トラツキングエラ−信号生成装置
JPS6132228A (ja) トラツキングエラ−信号検出方式
JPH04205922A (ja) 光学情報記録再生装置
JPS63173231A (ja) 光ヘツド装置
JPS63160022A (ja) 光デイスク装置