JPH0548533B2 - - Google Patents

Info

Publication number
JPH0548533B2
JPH0548533B2 JP60074618A JP7461885A JPH0548533B2 JP H0548533 B2 JPH0548533 B2 JP H0548533B2 JP 60074618 A JP60074618 A JP 60074618A JP 7461885 A JP7461885 A JP 7461885A JP H0548533 B2 JPH0548533 B2 JP H0548533B2
Authority
JP
Japan
Prior art keywords
signal
switch
amplifier
output
photodetector
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 - Fee Related
Application number
JP60074618A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61233435A (ja
Inventor
Tsuneo Takahashi
Ryoichi Imanaka
Seizo Tsuji
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 JPS61233435A (ja) 1986-10-17
JPH0548533B2 true JPH0548533B2 (forum.php) 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 (forum.php)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03263620A (ja) * 1990-03-13 1991-11-25 Pioneer Electron Corp ディスクプレーヤのサーボ装置
JP3074877B2 (ja) * 1991-11-22 2000-08-07 ソニー株式会社 光ディスクプレーヤ
JP3665629B2 (ja) 2002-07-30 2005-06-29 株式会社東芝 光ディスク装置と光ディスク装置の外乱学習方法

Also Published As

Publication number Publication date
JPS61233435A (ja) 1986-10-17

Similar Documents

Publication Publication Date Title
JP2548106B2 (ja) 光学式デイスクプレ−ヤのトラツキング・サ−ボコントロ−ル装置
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
JPH0548533B2 (forum.php)
JPH01138627A (ja) 光デイスク装置
US5477514A (en) Control apparatus for controlling focusing, accessing and spindle rotating circuits to operate simultaneously
JPH0555933B2 (forum.php)
JPH0466054B2 (forum.php)
JP2718052B2 (ja) トラッキングサーボのゲイン調整装置
JP2718053B2 (ja) フォーカスサーボのゲイン調整装置
JP2672944B2 (ja) 包絡線検出回路
JPH08329479A (ja) 位置検出器及び位置制御装置
JPS6344326A (ja) 光学式情報記録再生装置
JP2768540B2 (ja) トラッキングサーボ装置
JPH0253869B2 (forum.php)
JP3775805B2 (ja) 情報トラック検索装置
JP2548110B2 (ja) 焦点位置制御装置
JPS6341618Y2 (forum.php)
JPS61214233A (ja) サ−ボゲイン制御装置
JPH0438630A (ja) 光ディスク装置
JPH04345925A (ja) 光ディスク装置
JPS63276713A (ja) 光デイスク装置
JPS60229242A (ja) トラツキング制御回路
JPH04219801A (ja) 光学的情報記録再生装置
JPH0677328B2 (ja) 光学的デイスク装置のトラツキングサ−ボ機構
JPS61190724A (ja) フオ−カスサ−ボ装置

Legal Events

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