JPS57199903A - Position detector - Google Patents

Position detector

Info

Publication number
JPS57199903A
JPS57199903A JP8593181A JP8593181A JPS57199903A JP S57199903 A JPS57199903 A JP S57199903A JP 8593181 A JP8593181 A JP 8593181A JP 8593181 A JP8593181 A JP 8593181A JP S57199903 A JPS57199903 A JP S57199903A
Authority
JP
Japan
Prior art keywords
signal
tracking error
pit
error signal
disc
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
JP8593181A
Other languages
English (en)
Other versions
JPS645376B2 (ja
Inventor
Tsuneo Hirose
Shinichi Tanaka
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP8593181A priority Critical patent/JPS57199903A/ja
Publication of JPS57199903A publication Critical patent/JPS57199903A/ja
Publication of JPS645376B2 publication Critical patent/JPS645376B2/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
    • 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

  • Length Measuring Devices By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP8593181A 1981-06-03 1981-06-03 Position detector Granted JPS57199903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8593181A JPS57199903A (en) 1981-06-03 1981-06-03 Position detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8593181A JPS57199903A (en) 1981-06-03 1981-06-03 Position detector

Publications (2)

Publication Number Publication Date
JPS57199903A true JPS57199903A (en) 1982-12-08
JPS645376B2 JPS645376B2 (ja) 1989-01-30

Family

ID=13872498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8593181A Granted JPS57199903A (en) 1981-06-03 1981-06-03 Position detector

Country Status (1)

Country Link
JP (1) JPS57199903A (ja)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5848243A (ja) * 1981-09-17 1983-03-22 Mitsubishi Electric Corp 光学的記録再生装置のトラツク追跡装置
JPS58194146A (ja) * 1982-04-30 1983-11-12 Sharp Corp 光学式デイスクプレ−ヤにおけるトラツキング制御装置
EP0099576A2 (en) * 1982-07-21 1984-02-01 Hitachi, Ltd. Optical information processor
JPS60170037A (ja) * 1984-02-13 1985-09-03 Toshiba Corp トラツキング誤差信号生成方法
EP0300481A2 (en) * 1987-07-22 1989-01-25 Omron Tateisi Electronics Co. Apparatus for detecting inclination of optical card
JPH0254858A (ja) * 1988-08-19 1990-02-23 Fuji Electric Co Ltd イオンビーム中性化装置
JPH0254969A (ja) * 1988-08-19 1990-02-23 Fuji Electric Co Ltd Ｍｏｓ型半導体装置
JPH0254857A (ja) * 1988-08-19 1990-02-23 Fuji Electric Co Ltd イオンビーム中性化装置
JPH0282458A (ja) * 1988-09-16 1990-03-23 Sanyo Electric Co Ltd 溶融炭酸塩燃料電池
JPH0282448A (ja) * 1988-09-16 1990-03-23 Sanyo Electric Co Ltd 水素吸蔵合金電極及びその電極を備えた密閉型アルカリ蓄電池
US5179268A (en) * 1987-07-22 1993-01-12 Omron Tateisi Electronic Co. Apparatus for detecting inclination of an optical card
JPH09115152A (ja) * 1996-08-05 1997-05-02 Hitachi Ltd 光ディスク装置
JPH09115150A (ja) * 1996-08-05 1997-05-02 Hitachi Ltd 光ディスク装置
JPH09115155A (ja) * 1996-08-05 1997-05-02 Hitachi Ltd 光ディスク装置
JPH09128773A (ja) * 1996-09-03 1997-05-16 Hitachi Ltd 光ディスク装置用ピックアップ
JPH09128774A (ja) * 1996-09-03 1997-05-16 Hitachi Ltd 光ディスク装置
JP2002373434A (ja) * 2001-06-14 2002-12-26 Samsung Yokohama Research Institute Co Ltd 光ディスク記録装置及びそのトラックオフセット制御方法

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6325413B2 (ja) * 1981-09-17 1988-05-25 Mitsubishi Electric Corp
JPS5848243A (ja) * 1981-09-17 1983-03-22 Mitsubishi Electric Corp 光学的記録再生装置のトラツク追跡装置
JPS58194146A (ja) * 1982-04-30 1983-11-12 Sharp Corp 光学式デイスクプレ−ヤにおけるトラツキング制御装置
JPS6334530B2 (ja) * 1982-04-30 1988-07-11 Sharp Kk
EP0099576A2 (en) * 1982-07-21 1984-02-01 Hitachi, Ltd. Optical information processor
JPS60170037A (ja) * 1984-02-13 1985-09-03 Toshiba Corp トラツキング誤差信号生成方法
US5179268A (en) * 1987-07-22 1993-01-12 Omron Tateisi Electronic Co. Apparatus for detecting inclination of an optical card
EP0300481A2 (en) * 1987-07-22 1989-01-25 Omron Tateisi Electronics Co. Apparatus for detecting inclination of optical card
JPH0254858A (ja) * 1988-08-19 1990-02-23 Fuji Electric Co Ltd イオンビーム中性化装置
JPH0254969A (ja) * 1988-08-19 1990-02-23 Fuji Electric Co Ltd Ｍｏｓ型半導体装置
JPH0254857A (ja) * 1988-08-19 1990-02-23 Fuji Electric Co Ltd イオンビーム中性化装置
JPH0282458A (ja) * 1988-09-16 1990-03-23 Sanyo Electric Co Ltd 溶融炭酸塩燃料電池
JPH0282448A (ja) * 1988-09-16 1990-03-23 Sanyo Electric Co Ltd 水素吸蔵合金電極及びその電極を備えた密閉型アルカリ蓄電池
JP2680628B2 (ja) * 1988-09-16 1997-11-19 三洋電機株式会社 水素吸蔵合金電極及びその電極を備えた密閉型アルカリ蓄電池
JPH09115152A (ja) * 1996-08-05 1997-05-02 Hitachi Ltd 光ディスク装置
JPH09115150A (ja) * 1996-08-05 1997-05-02 Hitachi Ltd 光ディスク装置
JPH09115155A (ja) * 1996-08-05 1997-05-02 Hitachi Ltd 光ディスク装置
JPH09128773A (ja) * 1996-09-03 1997-05-16 Hitachi Ltd 光ディスク装置用ピックアップ
JPH09128774A (ja) * 1996-09-03 1997-05-16 Hitachi Ltd 光ディスク装置
JP2002373434A (ja) * 2001-06-14 2002-12-26 Samsung Yokohama Research Institute Co Ltd 光ディスク記録装置及びそのトラックオフセット制御方法

Also Published As

Publication number Publication date
JPS645376B2 (ja) 1989-01-30

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