JPH11144279A - 光ディスク装置 - Google Patents

光ディスク装置

Info

Publication number
JPH11144279A
JPH11144279A JP9302373A JP30237397A JPH11144279A JP H11144279 A JPH11144279 A JP H11144279A JP 9302373 A JP9302373 A JP 9302373A JP 30237397 A JP30237397 A JP 30237397A JP H11144279 A JPH11144279 A JP H11144279A
Authority
JP
Japan
Prior art keywords
objective lens
tilt
optical
disk
light
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.)
Withdrawn
Application number
JP9302373A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11144279A5 (enExample
Inventor
Makoto Nagasato
誠 永里
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP9302373A priority Critical patent/JPH11144279A/ja
Priority to US09/186,443 priority patent/US6259665B1/en
Publication of JPH11144279A publication Critical patent/JPH11144279A/ja
Publication of JPH11144279A5 publication Critical patent/JPH11144279A5/ja
Withdrawn legal-status Critical Current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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • 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

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP9302373A 1997-11-05 1997-11-05 光ディスク装置 Withdrawn JPH11144279A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9302373A JPH11144279A (ja) 1997-11-05 1997-11-05 光ディスク装置
US09/186,443 US6259665B1 (en) 1997-11-05 1998-11-05 Tilt detector for optical disk recording/reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9302373A JPH11144279A (ja) 1997-11-05 1997-11-05 光ディスク装置

Publications (2)

Publication Number Publication Date
JPH11144279A true JPH11144279A (ja) 1999-05-28
JPH11144279A5 JPH11144279A5 (enExample) 2005-07-07

Family

ID=17908128

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9302373A Withdrawn JPH11144279A (ja) 1997-11-05 1997-11-05 光ディスク装置

Country Status (2)

Country Link
US (1) US6259665B1 (enExample)
JP (1) JPH11144279A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100694022B1 (ko) * 1999-06-25 2007-03-12 삼성전자주식회사 틸트 보상 방법 및 그 장치
US7379404B2 (en) 1999-06-25 2008-05-27 Samsung Electronics Co., Ltd. Apparatus and method of compensating for tilt and/or defocus of a disc during recording

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6462323B1 (en) * 2000-09-01 2002-10-08 Samsung Electro-Mechanics Co., Ltd. Tilt detector and tilt detection method in the radial and tangential directions
JP2002092917A (ja) * 2000-09-01 2002-03-29 Samsung Electro Mech Co Ltd ラジアルチルト検出装置
WO2003075266A1 (en) * 2002-03-04 2003-09-12 Matsushita Electric Industrial Co., Ltd. Optical head and optical recording/reproducing device using it, and aberration correction method
JP3858761B2 (ja) * 2002-05-23 2006-12-20 日本電気株式会社 光ヘッド装置及び光学式情報記録再生装置
KR20040024122A (ko) * 2002-09-13 2004-03-20 삼성전자주식회사 액츄에이터 및 이를 채용한 광픽업
JP3849777B2 (ja) * 2003-01-10 2006-11-22 船井電機株式会社 光ピックアップ
WO2005099278A2 (en) * 2004-04-03 2005-10-20 Li Sun Dual polarizing light filter for 2-d and 3-d display
US7522184B2 (en) * 2004-04-03 2009-04-21 Li Sun 2-D and 3-D display
US7414929B2 (en) * 2004-09-22 2008-08-19 Lsi Corporation Optical disc tilt detection and tilt servo control method
CN101312054B (zh) * 2007-05-24 2012-05-16 鸿富锦精密工业（深圳）有限公司 光学读取头倾斜度检测方法
US11585827B2 (en) * 2020-05-15 2023-02-21 Zebra Technologies Corporation Tilt sensor for an antenna

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68923833T2 (de) * 1988-06-20 1996-06-13 Mitsubishi Electric Corp Optischer Kopf mit Kippkorrekturservomechanismus.
JP2866160B2 (ja) * 1990-07-19 1999-03-08 パイオニア株式会社 光学式ディスクプレーヤ
JPH07262585A (ja) 1994-03-17 1995-10-13 Sony Corp スキュー検出装置
JPH07272300A (ja) 1994-03-31 1995-10-20 Sony Corp ディスクのスキュー検出装置
JP3211002B2 (ja) * 1997-04-24 2001-09-25 富士通株式会社 光記録媒体、チルト検出器、光ディスク装置、チルト検出方法及びチルト補正方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100694022B1 (ko) * 1999-06-25 2007-03-12 삼성전자주식회사 틸트 보상 방법 및 그 장치
US7379404B2 (en) 1999-06-25 2008-05-27 Samsung Electronics Co., Ltd. Apparatus and method of compensating for tilt and/or defocus of a disc during recording

Also Published As

Publication number Publication date
US6259665B1 (en) 2001-07-10

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