JPS61233435A - サ−ボゲイン制御装置 - Google Patents

サ−ボゲイン制御装置

Info

Publication number
JPS61233435A
JPS61233435A JP60074618A JP7461885A JPS61233435A JP S61233435 A JPS61233435 A JP S61233435A JP 60074618 A JP60074618 A JP 60074618A JP 7461885 A JP7461885 A JP 7461885A JP S61233435 A JPS61233435 A JP S61233435A
Authority
JP
Japan
Prior art keywords
signal
photodetector
amplifier
switch
gain
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
JP60074618A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0548533B2 (OSRAM
Inventor
Tsuneo Takahashi
恒夫 高橋
Ryoichi Imanaka
良一 今中
Seizo Tsuji
辻　誠三
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 JP60074618A priority Critical patent/JPS61233435A/ja
Publication of JPS61233435A publication Critical patent/JPS61233435A/ja
Publication of JPH0548533B2 publication Critical patent/JPH0548533B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP60074618A 1985-04-09 1985-04-09 サ−ボゲイン制御装置 Granted JPS61233435A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60074618A JPS61233435A (ja) 1985-04-09 1985-04-09 サ−ボゲイン制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60074618A JPS61233435A (ja) 1985-04-09 1985-04-09 サ−ボゲイン制御装置

Publications (2)

Publication Number Publication Date
JPS61233435A true JPS61233435A (ja) 1986-10-17
JPH0548533B2 JPH0548533B2 (OSRAM) 1993-07-21

Family

ID=13552340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60074618A Granted JPS61233435A (ja) 1985-04-09 1985-04-09 サ−ボゲイン制御装置

Country Status (1)

Country Link
JP (1) JPS61233435A (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146443A (en) * 1990-03-13 1992-09-08 Pioneer Electronic Corporation Servo apparatus for optical disk player having both open loop coarse gain control and closed loop fine gain control
US5436877A (en) * 1991-11-22 1995-07-25 Sony Corporation Method for controlling the gain of a tracking servo circuit
US7215606B2 (en) 2002-07-30 2007-05-08 Kabushiki Kaisha Toshiba Optical disk device and disturbance learning method for optical disk device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146443A (en) * 1990-03-13 1992-09-08 Pioneer Electronic Corporation Servo apparatus for optical disk player having both open loop coarse gain control and closed loop fine gain control
US5436877A (en) * 1991-11-22 1995-07-25 Sony Corporation Method for controlling the gain of a tracking servo circuit
US7215606B2 (en) 2002-07-30 2007-05-08 Kabushiki Kaisha Toshiba Optical disk device and disturbance learning method for optical disk device

Also Published As

Publication number Publication date
JPH0548533B2 (OSRAM) 1993-07-21

Similar Documents

Publication Publication Date Title
JPH06282849A (ja) 光記録媒体、光記録媒体の記録再生装置及び再生装置
JPH0298881A (ja) ディスクプレーヤのサーボ装置
JPS61233435A (ja) サ−ボゲイン制御装置
JP3269309B2 (ja) 光ディスクの制御装置
JPS61233431A (ja) サ−ボゲイン制御装置
US6519496B1 (en) Feedback controller, digital filter device, and storage device
JPS61199245A (ja) サ−ボゲイン制御装置
JP2718053B2 (ja) フォーカスサーボのゲイン調整装置
JP2718052B2 (ja) トラッキングサーボのゲイン調整装置
JPH02123525A (ja) 光ディスク装置のトラッキング制御方式
JPS60261035A (ja) 光学式情報記録再生装置
JP2672944B2 (ja) 包絡線検出回路
JP2768540B2 (ja) トラッキングサーボ装置
JPH04219801A (ja) 光学的情報記録再生装置
JPH08329479A (ja) 位置検出器及び位置制御装置
JPH0423226A (ja) 光ヘッド制御装置
JPH02260134A (ja) ディスク再生装置のトラッキングサーボ回路
JPS61214233A (ja) サ−ボゲイン制御装置
JPH04345925A (ja) 光ディスク装置
JPH0438630A (ja) 光ディスク装置
JPH0677328B2 (ja) 光学的デイスク装置のトラツキングサ−ボ機構
JPH0253869B2 (OSRAM)
JPH08249684A (ja) トラッキング制御装置
JPS61190725A (ja) 記録デイスク再生装置におけるサ−ボ装置
JPS63276713A (ja) 光デイスク装置

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees