JPS6022743A - 光学的に情報を記録したデイスク再生装置のピツクアツプ - Google Patents

光学的に情報を記録したデイスク再生装置のピツクアツプ

Info

Publication number
JPS6022743A
JPS6022743A JP8239484A JP8239484A JPS6022743A JP S6022743 A JPS6022743 A JP S6022743A JP 8239484 A JP8239484 A JP 8239484A JP 8239484 A JP8239484 A JP 8239484A JP S6022743 A JPS6022743 A JP S6022743A
Authority
JP
Japan
Prior art keywords
lens
light
tracking
focusing
optical axis
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
JP8239484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0555934B2 (en]
Inventor
Shunpei Tanaka
俊平 田中
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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical 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 Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP8239484A priority Critical patent/JPS6022743A/ja
Publication of JPS6022743A publication Critical patent/JPS6022743A/ja
Publication of JPH0555934B2 publication Critical patent/JPH0555934B2/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

  • Optical Recording Or Reproduction (AREA)
JP8239484A 1984-04-24 1984-04-24 光学的に情報を記録したデイスク再生装置のピツクアツプ Granted JPS6022743A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8239484A JPS6022743A (ja) 1984-04-24 1984-04-24 光学的に情報を記録したデイスク再生装置のピツクアツプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8239484A JPS6022743A (ja) 1984-04-24 1984-04-24 光学的に情報を記録したデイスク再生装置のピツクアツプ

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2678A Division JPS5494007A (en) 1978-01-05 1978-01-05 Pickup for disc recorder recorded optically with information

Publications (2)

Publication Number Publication Date
JPS6022743A true JPS6022743A (ja) 1985-02-05
JPH0555934B2 JPH0555934B2 (en]) 1993-08-18

Family

ID=13773368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8239484A Granted JPS6022743A (ja) 1984-04-24 1984-04-24 光学的に情報を記録したデイスク再生装置のピツクアツプ

Country Status (1)

Country Link
JP (1) JPS6022743A (en])

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62282286A (ja) * 1986-05-30 1987-12-08 Furuno Electric Co Ltd 流速測定方法
JPH01314987A (ja) * 1988-06-16 1989-12-20 Nissan Motor Co Ltd ドップラ式速度計
JPH0413238A (ja) * 1990-04-30 1992-01-17 Samsung Electron Co Ltd 光走査装置を使用した光学ヘッド
US5222056A (en) * 1989-03-30 1993-06-22 Asahi Kogaku Kogyo K.K. Optical pickup apparatus having a compact structure
WO2001037272A1 (fr) * 1999-11-18 2001-05-25 Fujitsu Limited Dispositif de stockage optique
JP2002228903A (ja) * 2001-01-30 2002-08-14 Olympus Optical Co Ltd 光学ユニット

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51134604A (en) * 1975-04-30 1976-11-22 Thomson Brandt Optical reader

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51134604A (en) * 1975-04-30 1976-11-22 Thomson Brandt Optical reader

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62282286A (ja) * 1986-05-30 1987-12-08 Furuno Electric Co Ltd 流速測定方法
JPH01314987A (ja) * 1988-06-16 1989-12-20 Nissan Motor Co Ltd ドップラ式速度計
US5222056A (en) * 1989-03-30 1993-06-22 Asahi Kogaku Kogyo K.K. Optical pickup apparatus having a compact structure
JPH0413238A (ja) * 1990-04-30 1992-01-17 Samsung Electron Co Ltd 光走査装置を使用した光学ヘッド
WO2001037272A1 (fr) * 1999-11-18 2001-05-25 Fujitsu Limited Dispositif de stockage optique
US6704268B2 (en) 1999-11-18 2004-03-09 Fujitsu Limited Optical storage device and optical pickup unit having track control
JP2002228903A (ja) * 2001-01-30 2002-08-14 Olympus Optical Co Ltd 光学ユニット

Also Published As

Publication number Publication date
JPH0555934B2 (en]) 1993-08-18

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