JPS6122444A - 光学式デイスク再生装置 - Google Patents

光学式デイスク再生装置

Info

Publication number
JPS6122444A
JPS6122444A JP14260184A JP14260184A JPS6122444A JP S6122444 A JPS6122444 A JP S6122444A JP 14260184 A JP14260184 A JP 14260184A JP 14260184 A JP14260184 A JP 14260184A JP S6122444 A JPS6122444 A JP S6122444A
Authority
JP
Japan
Prior art keywords
circuit
switch
output
tracking
optical 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
JP14260184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0473221B2 (enrdf_load_stackoverflow
Inventor
Akihiko Enomoto
昭彦 榎本
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP14260184A priority Critical patent/JPS6122444A/ja
Publication of JPS6122444A publication Critical patent/JPS6122444A/ja
Publication of JPH0473221B2 publication Critical patent/JPH0473221B2/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

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)
JP14260184A 1984-07-10 1984-07-10 光学式デイスク再生装置 Granted JPS6122444A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14260184A JPS6122444A (ja) 1984-07-10 1984-07-10 光学式デイスク再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14260184A JPS6122444A (ja) 1984-07-10 1984-07-10 光学式デイスク再生装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP5254356A Division JP2635918B2 (ja) 1993-10-12 1993-10-12 光学式ディスク再生装置

Publications (2)

Publication Number Publication Date
JPS6122444A true JPS6122444A (ja) 1986-01-31
JPH0473221B2 JPH0473221B2 (enrdf_load_stackoverflow) 1992-11-20

Family

ID=15319101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14260184A Granted JPS6122444A (ja) 1984-07-10 1984-07-10 光学式デイスク再生装置

Country Status (1)

Country Link
JP (1) JPS6122444A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5710908A (en) * 1980-06-23 1982-01-20 Matsushita Electric Industrial Co Ltd Method of producing film carbide resistor
JPS5711813A (en) * 1980-06-23 1982-01-21 Matsushita Electric Ind Co Ltd Preparation of carbide film resistor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128707A (en) * 1978-03-27 1979-10-05 Mca Disco Vision Focus servo device
JPS5637866A (en) * 1979-09-03 1981-04-11 Hitachi Ltd Disk player
JPS5971165A (ja) * 1982-10-15 1984-04-21 Pioneer Electronic Corp 記録デイスクの回転制御方式

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128707A (en) * 1978-03-27 1979-10-05 Mca Disco Vision Focus servo device
JPS5637866A (en) * 1979-09-03 1981-04-11 Hitachi Ltd Disk player
JPS5971165A (ja) * 1982-10-15 1984-04-21 Pioneer Electronic Corp 記録デイスクの回転制御方式

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5710908A (en) * 1980-06-23 1982-01-20 Matsushita Electric Industrial Co Ltd Method of producing film carbide resistor
JPS5711813A (en) * 1980-06-23 1982-01-21 Matsushita Electric Ind Co Ltd Preparation of carbide film resistor

Also Published As

Publication number Publication date
JPH0473221B2 (enrdf_load_stackoverflow) 1992-11-20

Similar Documents

Publication Publication Date Title
JPS6040093B2 (ja) トラッキングサ−ボ引込装置
JPH03130972A (ja) トラック検索装置及びトラッキング制御装置
JPS58143472A (ja) 記録情報再生装置のトラツキングサ−ボ制御装置
US20060126473A1 (en) Dropout detection circuit and optical disc apparatus
JPS6120929B2 (enrdf_load_stackoverflow)
JPS6122444A (ja) 光学式デイスク再生装置
JPH0612595B2 (ja) 制御装置
JPS59188845A (ja) 光ピツクアツプ
JPS63316682A (ja) スピンドルモ−タの停止制御装置
JPS6148134A (ja) 光デイスク装置
JP3443017B2 (ja) フォーカスサーボ制御装置およびディスク再生装置
JPH0444808B2 (enrdf_load_stackoverflow)
JP2510411B2 (ja) フオ−カスサ−ボ装置
JPS61153838A (ja) 光学式情報記録再生装置
JPS63138531A (ja) 情報再生装置
JPS6113446A (ja) エラ−信号生成装置
JP2635918B2 (ja) 光学式ディスク再生装置
JPH039554B2 (enrdf_load_stackoverflow)
JP2563511B2 (ja) トラック検索装置
JPH0614253Y2 (ja) 光学ディスクプレーヤ
JP2731403B2 (ja) 光ディスクドライブ装置
JPS63298822A (ja) 光ピックアップの制御方式
JPH04345976A (ja) トラック検索装置
JPS60251529A (ja) 光学式ディスク・プレーヤ
JPS61208631A (ja) 光デイスク装置の焦点引き込み方法