JPS5512561A - Disc player - Google Patents

Disc player

Info

Publication number
JPS5512561A
JPS5512561A JP8511078A JP8511078A JPS5512561A JP S5512561 A JPS5512561 A JP S5512561A JP 8511078 A JP8511078 A JP 8511078A JP 8511078 A JP8511078 A JP 8511078A JP S5512561 A JPS5512561 A JP S5512561A
Authority
JP
Japan
Prior art keywords
disc
eccentricity
signal
correction
fed
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
JP8511078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6120931B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Kyo Yamashita
Toru Fujishima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8511078A priority Critical patent/JPS5512561A/ja
Publication of JPS5512561A publication Critical patent/JPS5512561A/ja
Publication of JPS6120931B2 publication Critical patent/JPS6120931B2/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

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Rotational Drive Of Disk (AREA)
  • Optical Recording Or Reproduction (AREA)
JP8511078A 1978-07-14 1978-07-14 Disc player Granted JPS5512561A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8511078A JPS5512561A (en) 1978-07-14 1978-07-14 Disc player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8511078A JPS5512561A (en) 1978-07-14 1978-07-14 Disc player

Publications (2)

Publication Number Publication Date
JPS5512561A true JPS5512561A (en) 1980-01-29
JPS6120931B2 JPS6120931B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-05-24

Family

ID=13849479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8511078A Granted JPS5512561A (en) 1978-07-14 1978-07-14 Disc player

Country Status (1)

Country Link
JP (1) JPS5512561A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045949A (ja) * 1984-07-25 1985-03-12 Hitachi Ltd 光学的トラツク追跡装置
JPS60147936A (ja) * 1984-01-10 1985-08-05 Sharp Corp 光集束位置制御装置
JPS61107569A (ja) * 1984-10-30 1986-05-26 Arupain Kk 芯振れ調整装置
JPS61230683A (ja) * 1985-04-05 1986-10-14 Yokogawa Electric Corp ディスク用検出器の特性評価装置
JPS61240471A (ja) * 1985-04-17 1986-10-25 Seiko Epson Corp 光学式記録再生装置
JPS6252756A (ja) * 1985-09-02 1987-03-07 Sony Corp トラツキングサ−ボ補助装置
JPS62132277A (ja) * 1985-12-05 1987-06-15 Fuji Photo Film Co Ltd 回転記録体トラツキング装置
JPS62132278A (ja) * 1985-12-05 1987-06-15 Fuji Photo Film Co Ltd 回転記録体トラツキング装置
JPS62134872A (ja) * 1985-12-05 1987-06-17 Fuji Photo Film Co Ltd 回転記録体トラツキング装置
JPS62153917A (ja) * 1985-12-27 1987-07-08 Rikagaku Kenkyusho 有軸円環状光ビ−ム形成用光学部品
JPH01184638A (ja) * 1988-01-11 1989-07-24 Matsushita Electric Ind Co Ltd 光ディスク装置
JPH04176028A (ja) * 1990-11-07 1992-06-23 Funai Denki Kenkyusho:Kk ディスクの偏心ずれ吸収装置
US6894957B1 (en) 1999-06-15 2005-05-17 Kabushiki Kaisha Toshiba Optical disk apparatus capable of correcting tracking error

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60147936A (ja) * 1984-01-10 1985-08-05 Sharp Corp 光集束位置制御装置
JPS6045949A (ja) * 1984-07-25 1985-03-12 Hitachi Ltd 光学的トラツク追跡装置
JPS61107569A (ja) * 1984-10-30 1986-05-26 Arupain Kk 芯振れ調整装置
JPS61230683A (ja) * 1985-04-05 1986-10-14 Yokogawa Electric Corp ディスク用検出器の特性評価装置
JPS61240471A (ja) * 1985-04-17 1986-10-25 Seiko Epson Corp 光学式記録再生装置
JPS6252756A (ja) * 1985-09-02 1987-03-07 Sony Corp トラツキングサ−ボ補助装置
JPS62132277A (ja) * 1985-12-05 1987-06-15 Fuji Photo Film Co Ltd 回転記録体トラツキング装置
JPS62132278A (ja) * 1985-12-05 1987-06-15 Fuji Photo Film Co Ltd 回転記録体トラツキング装置
JPS62134872A (ja) * 1985-12-05 1987-06-17 Fuji Photo Film Co Ltd 回転記録体トラツキング装置
JPS62153917A (ja) * 1985-12-27 1987-07-08 Rikagaku Kenkyusho 有軸円環状光ビ−ム形成用光学部品
JPH01184638A (ja) * 1988-01-11 1989-07-24 Matsushita Electric Ind Co Ltd 光ディスク装置
JPH04176028A (ja) * 1990-11-07 1992-06-23 Funai Denki Kenkyusho:Kk ディスクの偏心ずれ吸収装置
US6894957B1 (en) 1999-06-15 2005-05-17 Kabushiki Kaisha Toshiba Optical disk apparatus capable of correcting tracking error

Also Published As

Publication number Publication date
JPS6120931B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-05-24

Similar Documents

Publication Publication Date Title
JPS5512561A (en) Disc player
JPS5728483A (en) Playback device for disc shape information recording medium
JPS5412816A (en) Isolinear velocity controller of rotary recording media
JPS56157182A (en) Tracking system
JPS52128103A (en) Rotary phase control circuit in video signal reproducing unit
JPS55103090A (en) Speed controller for motor
JPS5694547A (en) Revolution number controlling system in reproducing device for information disc
JPS5517808A (en) Disk reproducing unit
JPS5325477A (en) Rotation signal detector
JPS5512587A (en) Control unit for reproducing speed of recording media
CA994679A (en) Drive assembly for phonograph record player
JPS5274810A (en) Motor controller
JPS5243402A (en) Automatic record player
JPH0519863Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS538515A (en) Rotary detection system for magnetic recording/reproducing unit
JPS5358203A (en) Record player
JPS5252608A (en) Revolving phase control device of rotating body
JPS544101A (en) Signal pickupdevice for reproducing system using rotary information recording medium
JPS5448509A (en) Automatic tracking system
JPS5368203A (en) Holder for fecording disk in automatic player
JPS57147163A (en) Record player
JPS60238717A (ja) 制御方式
JPS55150156A (en) Detector for tape drive information
JPS5272208A (en) Rotating phase detection system
JPS55105809A (en) Record level and record bias controller