JPH0553015B2 - - Google Patents

Info

Publication number
JPH0553015B2
JPH0553015B2 JP60080791A JP8079185A JPH0553015B2 JP H0553015 B2 JPH0553015 B2 JP H0553015B2 JP 60080791 A JP60080791 A JP 60080791A JP 8079185 A JP8079185 A JP 8079185A JP H0553015 B2 JPH0553015 B2 JP H0553015B2
Authority
JP
Japan
Prior art keywords
gain
circuit
frequency
increases
optical head
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 - Lifetime
Application number
JP60080791A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61239433A (ja
Inventor
Yoshitoshi Kusamuta
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.)
NEC Home Electronics Ltd
NEC Corp
Original Assignee
NEC Home Electronics Ltd
Nippon Electric 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 NEC Home Electronics Ltd, Nippon Electric Co Ltd filed Critical NEC Home Electronics Ltd
Priority to JP8079185A priority Critical patent/JPS61239433A/ja
Publication of JPS61239433A publication Critical patent/JPS61239433A/ja
Publication of JPH0553015B2 publication Critical patent/JPH0553015B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Optical Recording Or Reproduction (AREA)
JP8079185A 1985-04-16 1985-04-16 光ヘツドのサ−ボ回路 Granted JPS61239433A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8079185A JPS61239433A (ja) 1985-04-16 1985-04-16 光ヘツドのサ−ボ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8079185A JPS61239433A (ja) 1985-04-16 1985-04-16 光ヘツドのサ−ボ回路

Publications (2)

Publication Number Publication Date
JPS61239433A JPS61239433A (ja) 1986-10-24
JPH0553015B2 true JPH0553015B2 (enrdf_load_stackoverflow) 1993-08-09

Family

ID=13728272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8079185A Granted JPS61239433A (ja) 1985-04-16 1985-04-16 光ヘツドのサ−ボ回路

Country Status (1)

Country Link
JP (1) JPS61239433A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2584242B2 (ja) * 1987-09-14 1997-02-26 富士通株式会社 情報記憶装置のヘッド位置決め制御装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928253A (ja) * 1982-08-09 1984-02-14 Toshiba Corp デジタルデイスクプレ−ヤのサ−ボ回路
JPS59229773A (ja) * 1983-06-10 1984-12-24 Pioneer Electronic Corp 記録情報読取装置

Also Published As

Publication number Publication date
JPS61239433A (ja) 1986-10-24

Similar Documents

Publication Publication Date Title
JPH0365705B2 (enrdf_load_stackoverflow)
JPH0553015B2 (enrdf_load_stackoverflow)
JPH08203106A (ja) 光ディスクの制御装置
US4358842A (en) Record player
JPH0727700B2 (ja) ディスクプレーヤのキャリッジ駆動装置
JPH01311709A (ja) 自動利得制御回路
JPS5919244A (ja) 情報読取装置のフオ−カスサ−ボ装置
KR100357239B1 (ko) 광디스크 구동장치의 포커싱 제어방법
JPS6139274A (ja) デイスク再生装置のピツクアツプサ−ボ回路
JP3381655B2 (ja) 光ディスクドライブ装置
JPS63875A (ja) 円盤状情報記録媒体再生装置
JP2966280B2 (ja) 光ディスク装置のフォーカスサーボ回路
JPS5952313A (ja) サ−ボ装置
JPH03222508A (ja) 増幅器回路
JPH05258319A (ja) 利得調整装置
JPH0997114A (ja) サーボエラー信号処理装置
JP2600267B2 (ja) ディジタル制御装置
JPH0725855Y2 (ja) 光学式ディスクプレーヤの低域発振防止回路
JPS63311632A (ja) ディスク再生装置のトラッキングサ−ボ装置
JPH03214443A (ja) 光ピックアップ用アクチュエータのサーボ制御装置
JPH02260134A (ja) ディスク再生装置のトラッキングサーボ回路
JP2549110B2 (ja) トラツクジヤンプ回路
JPH06139588A (ja) トラッキングサーボ回路
JPH03290713A (ja) サーボ回路
JPH087312A (ja) 光学的情報記録再生装置

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term