JPS57199904A - Inclination controller - Google Patents

Inclination controller

Info

Publication number
JPS57199904A
JPS57199904A JP8593281A JP8593281A JPS57199904A JP S57199904 A JPS57199904 A JP S57199904A JP 8593281 A JP8593281 A JP 8593281A JP 8593281 A JP8593281 A JP 8593281A JP S57199904 A JPS57199904 A JP S57199904A
Authority
JP
Japan
Prior art keywords
signal
tracking error
error signal
inclination
tracking
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
JP8593281A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0142054B2 (en, 2012
Inventor
Tsuneo Hirose
Shinichi Tanaka
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 JP8593281A priority Critical patent/JPS57199904A/ja
Publication of JPS57199904A publication Critical patent/JPS57199904A/ja
Publication of JPH0142054B2 publication Critical patent/JPH0142054B2/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP8593281A 1981-06-03 1981-06-03 Inclination controller Granted JPS57199904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8593281A JPS57199904A (en) 1981-06-03 1981-06-03 Inclination controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8593281A JPS57199904A (en) 1981-06-03 1981-06-03 Inclination controller

Publications (2)

Publication Number Publication Date
JPS57199904A true JPS57199904A (en) 1982-12-08
JPH0142054B2 JPH0142054B2 (en, 2012) 1989-09-08

Family

ID=13872526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8593281A Granted JPS57199904A (en) 1981-06-03 1981-06-03 Inclination controller

Country Status (1)

Country Link
JP (1) JPS57199904A (en, 2012)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5848243A (ja) * 1981-09-17 1983-03-22 Mitsubishi Electric Corp 光学的記録再生装置のトラツク追跡装置
JPS58146036A (ja) * 1982-02-23 1983-08-31 Foster Denki Kk 光学式情報再生装置
JPS59189013U (ja) * 1983-06-01 1984-12-14 三菱電機株式会社 圧縮機保持装置
JPS6077028U (ja) * 1983-11-02 1985-05-29 パイオニア株式会社 光学式記録デイスクの再生装置
JPS60143447A (ja) * 1983-12-30 1985-07-29 Sony Corp 光学式デイスク・プレ−ヤ
JPS60142822U (ja) * 1984-03-01 1985-09-21 パイオニア株式会社 光学式デイスクプレ−ヤ
JPS6139945A (ja) * 1984-08-01 1986-02-26 Matsushita Electric Ind Co Ltd 光学式デイスク再生装置
JPS6139943A (ja) * 1984-08-01 1986-02-26 Matsushita Electric Ind Co Ltd 光学式デイスク再生装置
JPS61160844A (ja) * 1985-01-09 1986-07-21 Hitachi Ltd 光学式記録再生装置
JPS61210531A (ja) * 1985-03-04 1986-09-18 コーニンクレツカ　フイリツプス　エレクトロニクス　エヌ　ヴイ 電子光学装置
JPS6262439A (ja) * 1985-09-12 1987-03-19 Matsushita Electric Ind Co Ltd 光ビ−ムの傾き補正装置
JPS6398845A (ja) * 1986-10-15 1988-04-30 Ricoh Co Ltd 対物レンズ位置調整方法
US5179268A (en) * 1987-07-22 1993-01-12 Omron Tateisi Electronic Co. Apparatus for detecting inclination of an optical card
US5264687A (en) * 1987-06-23 1993-11-23 Omron Tateisi Electronics, Co. Optical card processing apparatus
GB2356968A (en) * 1999-09-29 2001-06-06 Matsushita Electric Ind Co Ltd Optical disk apparatus spindle motor

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5848243A (ja) * 1981-09-17 1983-03-22 Mitsubishi Electric Corp 光学的記録再生装置のトラツク追跡装置
JPS58146036A (ja) * 1982-02-23 1983-08-31 Foster Denki Kk 光学式情報再生装置
JPS59189013U (ja) * 1983-06-01 1984-12-14 三菱電機株式会社 圧縮機保持装置
JPS6077028U (ja) * 1983-11-02 1985-05-29 パイオニア株式会社 光学式記録デイスクの再生装置
JPS60143447A (ja) * 1983-12-30 1985-07-29 Sony Corp 光学式デイスク・プレ−ヤ
JPS60142822U (ja) * 1984-03-01 1985-09-21 パイオニア株式会社 光学式デイスクプレ−ヤ
JPS6139945A (ja) * 1984-08-01 1986-02-26 Matsushita Electric Ind Co Ltd 光学式デイスク再生装置
JPS6139943A (ja) * 1984-08-01 1986-02-26 Matsushita Electric Ind Co Ltd 光学式デイスク再生装置
JPS61160844A (ja) * 1985-01-09 1986-07-21 Hitachi Ltd 光学式記録再生装置
JPS61210531A (ja) * 1985-03-04 1986-09-18 コーニンクレツカ　フイリツプス　エレクトロニクス　エヌ　ヴイ 電子光学装置
JPS6262439A (ja) * 1985-09-12 1987-03-19 Matsushita Electric Ind Co Ltd 光ビ−ムの傾き補正装置
JPS6398845A (ja) * 1986-10-15 1988-04-30 Ricoh Co Ltd 対物レンズ位置調整方法
US5264687A (en) * 1987-06-23 1993-11-23 Omron Tateisi Electronics, Co. Optical card processing apparatus
US5179268A (en) * 1987-07-22 1993-01-12 Omron Tateisi Electronic Co. Apparatus for detecting inclination of an optical card
GB2356968A (en) * 1999-09-29 2001-06-06 Matsushita Electric Ind Co Ltd Optical disk apparatus spindle motor
GB2356968B (en) * 1999-09-29 2004-04-07 Matsushita Electric Ind Co Ltd Optical disk apparatus and method of installing its spindle motor
US6792614B1 (en) 1999-09-29 2004-09-14 Matsushita Electric Industrial Co., Ltd. Optical disk apparatus and method of installing its spindle motor

Also Published As

Publication number Publication date
JPH0142054B2 (en, 2012) 1989-09-08

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