JPS58175169A - 情報再生装置における記録トラツクとピツクアツプとの相対位置制御装置 - Google Patents

情報再生装置における記録トラツクとピツクアツプとの相対位置制御装置

Info

Publication number
JPS58175169A
JPS58175169A JP5699882A JP5699882A JPS58175169A JP S58175169 A JPS58175169 A JP S58175169A JP 5699882 A JP5699882 A JP 5699882A JP 5699882 A JP5699882 A JP 5699882A JP S58175169 A JPS58175169 A JP S58175169A
Authority
JP
Japan
Prior art keywords
difference
component
components
amplifier
signal
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
JP5699882A
Other languages
English (en)
Japanese (ja)
Other versions
JPH031750B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Yoshihiro Uchiumi
喜洋 内海
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
Pioneer Electronic Corp
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 Pioneer Corp, Pioneer Electronic Corp filed Critical Pioneer Corp
Priority to JP5699882A priority Critical patent/JPS58175169A/ja
Publication of JPS58175169A publication Critical patent/JPS58175169A/ja
Publication of JPH031750B2 publication Critical patent/JPH031750B2/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
    • G11B7/0901—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 for track following only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Optical Recording Or Reproduction (AREA)
JP5699882A 1982-04-06 1982-04-06 情報再生装置における記録トラツクとピツクアツプとの相対位置制御装置 Granted JPS58175169A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5699882A JPS58175169A (ja) 1982-04-06 1982-04-06 情報再生装置における記録トラツクとピツクアツプとの相対位置制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5699882A JPS58175169A (ja) 1982-04-06 1982-04-06 情報再生装置における記録トラツクとピツクアツプとの相対位置制御装置

Publications (2)

Publication Number Publication Date
JPS58175169A true JPS58175169A (ja) 1983-10-14
JPH031750B2 JPH031750B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-01-11

Family

ID=13043152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5699882A Granted JPS58175169A (ja) 1982-04-06 1982-04-06 情報再生装置における記録トラツクとピツクアツプとの相対位置制御装置

Country Status (1)

Country Link
JP (1) JPS58175169A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59231156A (ja) * 1983-06-15 1984-12-25 Y D K:Kk 自動車のエンジン自動始動装置
JPS61204840A (ja) * 1985-03-08 1986-09-10 Olympus Optical Co Ltd 光学的情報記録再生装置
JPS63273220A (ja) * 1987-04-30 1988-11-10 Toshiba Corp 情報記録再生装置
WO1989010614A1 (en) * 1988-04-18 1989-11-02 Sony Corporation Optical disk and movement control of its optical spot

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59231156A (ja) * 1983-06-15 1984-12-25 Y D K:Kk 自動車のエンジン自動始動装置
JPS61204840A (ja) * 1985-03-08 1986-09-10 Olympus Optical Co Ltd 光学的情報記録再生装置
JPS63273220A (ja) * 1987-04-30 1988-11-10 Toshiba Corp 情報記録再生装置
WO1989010614A1 (en) * 1988-04-18 1989-11-02 Sony Corporation Optical disk and movement control of its optical spot
US5144605A (en) * 1988-04-18 1992-09-01 Sony Corporation Optical disk apparatus and method for controlling movement of light spot thereof

Also Published As

Publication number Publication date
JPH031750B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-01-11

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