JPS61139934A - 光学式ピツクアツプのサ−ボゲイン制御装置 - Google Patents

光学式ピツクアツプのサ−ボゲイン制御装置

Info

Publication number
JPS61139934A
JPS61139934A JP26148484A JP26148484A JPS61139934A JP S61139934 A JPS61139934 A JP S61139934A JP 26148484 A JP26148484 A JP 26148484A JP 26148484 A JP26148484 A JP 26148484A JP S61139934 A JPS61139934 A JP S61139934A
Authority
JP
Japan
Prior art keywords
signal
servo
servo gain
output
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
JP26148484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0434210B2 (en, 2012
Inventor
Nobuo Iwai
岩井　伸郎
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.)
Alps Alpine Co Ltd
Original Assignee
Alps 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP26148484A priority Critical patent/JPS61139934A/ja
Publication of JPS61139934A publication Critical patent/JPS61139934A/ja
Publication of JPH0434210B2 publication Critical patent/JPH0434210B2/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)
  • Optical Recording Or Reproduction (AREA)
JP26148484A 1984-12-11 1984-12-11 光学式ピツクアツプのサ−ボゲイン制御装置 Granted JPS61139934A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26148484A JPS61139934A (ja) 1984-12-11 1984-12-11 光学式ピツクアツプのサ−ボゲイン制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26148484A JPS61139934A (ja) 1984-12-11 1984-12-11 光学式ピツクアツプのサ−ボゲイン制御装置

Publications (2)

Publication Number Publication Date
JPS61139934A true JPS61139934A (ja) 1986-06-27
JPH0434210B2 JPH0434210B2 (en, 2012) 1992-06-05

Family

ID=17362544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26148484A Granted JPS61139934A (ja) 1984-12-11 1984-12-11 光学式ピツクアツプのサ−ボゲイン制御装置

Country Status (1)

Country Link
JP (1) JPS61139934A (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0294081A (ja) * 1988-09-29 1990-04-04 Pioneer Electron Corp ディスクプレーヤのサーボ装置
JPH02183428A (ja) * 1989-01-09 1990-07-18 Sony Corp 光ディスク装置のサーボオートゲインコントロール回路
US8191890B2 (en) 2010-03-19 2012-06-05 Selex Elsag S.P.A. Singulator device for standard and extended postal objects

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53149003A (en) * 1977-05-31 1978-12-26 Victor Co Of Japan Ltd Loop gain adjusting circuit for servo-circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53149003A (en) * 1977-05-31 1978-12-26 Victor Co Of Japan Ltd Loop gain adjusting circuit for servo-circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0294081A (ja) * 1988-09-29 1990-04-04 Pioneer Electron Corp ディスクプレーヤのサーボ装置
JPH02183428A (ja) * 1989-01-09 1990-07-18 Sony Corp 光ディスク装置のサーボオートゲインコントロール回路
US8191890B2 (en) 2010-03-19 2012-06-05 Selex Elsag S.P.A. Singulator device for standard and extended postal objects

Also Published As

Publication number Publication date
JPH0434210B2 (en, 2012) 1992-06-05

Similar Documents

Publication Publication Date Title
US4878211A (en) Method and apparatus for correcting the loop gain of a servo loop in accordance with measurements during open-loop operation
JP3442984B2 (ja) 光ピックアップの位置制御装置
US4669072A (en) Control apparatus for optical video disk recorder/player
US4769801A (en) Focus servo control device for optical disks having servo offset error elimination
JPS61139934A (ja) 光学式ピツクアツプのサ−ボゲイン制御装置
JPH0773496A (ja) 半導体レーザ装置
US5268885A (en) Method and means for detecting and stablizing control loop parameters of apparatus for scanning a record carrier
US5739521A (en) Laser diode controlling method and apparatus for compact disk drive
JP2650466B2 (ja) 光ヘッド制御装置
US7652965B2 (en) Method and apparatus for optical information recording capable of precisely controlling laser light emission
JPH0714202A (ja) 光ディスク装置
JPH1031828A (ja) フォーカスサーボ装置
JP3292132B2 (ja) トラッキングサーボ装置
JPH06325481A (ja) 光ディスク判別装置
JP2690082B2 (ja) 焦点制御回路
KR100252172B1 (ko) 반도체레이저의 고주파전류 제어장치
JPS6089836A (ja) デイスクレコ−ド再生装置のトラツキング制御回路
KR100532494B1 (ko) 광 디스크 장치 및 그 서보 루프 게인 조정 방법
JPH0696449A (ja) ゲイン可変型フォト・ディテクタ出力信号増幅回路
SU1113847A1 (ru) Устройство слежени за информационной дорожкой носител оптической записи
JPH09297923A (ja) 光ディスク装置
JP3119726B2 (ja) コンパクトディスクプレーヤ装置
JP2592050Y2 (ja) 光ディスクプレーヤ
JPH02260134A (ja) ディスク再生装置のトラッキングサーボ回路
JPH02108248A (ja) レーザ発光素子の出力制御装置