JPH0468689B2 - - Google Patents

Info

Publication number
JPH0468689B2
JPH0468689B2 JP60231152A JP23115285A JPH0468689B2 JP H0468689 B2 JPH0468689 B2 JP H0468689B2 JP 60231152 A JP60231152 A JP 60231152A JP 23115285 A JP23115285 A JP 23115285A JP H0468689 B2 JPH0468689 B2 JP H0468689B2
Authority
JP
Japan
Prior art keywords
level
signal
information
tracking
detector
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
JP60231152A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61122939A (ja
Inventor
Yoshimi Iso
Shigeki Inoe
Tsutomu Noda
Shinichi Oohashi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP23115285A priority Critical patent/JPS61122939A/ja
Publication of JPS61122939A publication Critical patent/JPS61122939A/ja
Publication of JPH0468689B2 publication Critical patent/JPH0468689B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP23115285A 1985-10-18 1985-10-18 記録情報再生装置のトラツキングサ−ボ制御装置 Granted JPS61122939A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23115285A JPS61122939A (ja) 1985-10-18 1985-10-18 記録情報再生装置のトラツキングサ−ボ制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23115285A JPS61122939A (ja) 1985-10-18 1985-10-18 記録情報再生装置のトラツキングサ−ボ制御装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP57026004A Division JPS58143472A (ja) 1982-02-22 1982-02-22 記録情報再生装置のトラツキングサ−ボ制御装置

Publications (2)

Publication Number Publication Date
JPS61122939A JPS61122939A (ja) 1986-06-10
JPH0468689B2 true JPH0468689B2 (OSRAM) 1992-11-04

Family

ID=16919105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23115285A Granted JPS61122939A (ja) 1985-10-18 1985-10-18 記録情報再生装置のトラツキングサ−ボ制御装置

Country Status (1)

Country Link
JP (1) JPS61122939A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH087498A (ja) * 1994-06-17 1996-01-12 Hitachi Ltd 記録情報再生装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045483B2 (ja) * 1979-10-13 1985-10-09 パイオニアビデオ株式会社 情報読取装置におけるトラッキングサ−ボ装置

Also Published As

Publication number Publication date
JPS61122939A (ja) 1986-06-10

Similar Documents

Publication Publication Date Title
JPH0237027B2 (OSRAM)
JPS6048809B2 (ja) 情報読取装置におけるトラッキングサ−ボ引込装置
JPS6331218Y2 (OSRAM)
JPH0121552B2 (OSRAM)
US5109366A (en) Slip-off preventing tracking control apparatus
US5202864A (en) Slip-off preventing tracking control apparatus
JPH0468689B2 (OSRAM)
US5001698A (en) Read-out information signal processing circuit in an optical recording and reproducing system
JP2693608B2 (ja) 情報記録ディスク演奏装置
JPS6220900Y2 (OSRAM)
JP2718053B2 (ja) フォーカスサーボのゲイン調整装置
JPH05189889A (ja) ディジタルディスク再生装置
JP2001202635A (ja) トラッキング制御装置及び方法
JPS6025070A (ja) 記録デイスク再生装置
JP3074716B2 (ja) トラッキングサーボ装置
JPH0737256A (ja) フォーカスサーボ装置
JP4377046B2 (ja) ミラー検出回路
JPH0473221B2 (OSRAM)
JPS6218972B2 (OSRAM)
JP2628623B2 (ja) トラツキングサーボ装置
JPS62172567A (ja) デイスク再生装置
JPH0756699B2 (ja) 焦点位置制御装置
JPS6182334A (ja) 外乱情報再生装置
JPH0536610U (ja) デイスク再生装置
JPH02168433A (ja) 光ディスクプレーヤのサーボ回路