HK1028477A1 - Method and device for adjusting an optical axis angle in an optical disk device - Google Patents

Method and device for adjusting an optical axis angle in an optical disk device

Info

Publication number
HK1028477A1
HK1028477A1 HK00107863A HK00107863A HK1028477A1 HK 1028477 A1 HK1028477 A1 HK 1028477A1 HK 00107863 A HK00107863 A HK 00107863A HK 00107863 A HK00107863 A HK 00107863A HK 1028477 A1 HK1028477 A1 HK 1028477A1
Authority
HK
Hong Kong
Prior art keywords
adjusting
axis angle
optical axis
optical disk
disk device
Prior art date
Application number
HK00107863A
Other languages
English (en)
Inventor
Akihiro Fukasawa
Norio Yamashita
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of HK1028477A1 publication Critical patent/HK1028477A1/xx

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
    • G11B7/095—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
    • 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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
HK00107863A 1998-12-11 2000-12-07 Method and device for adjusting an optical axis angle in an optical disk device HK1028477A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP35221898A JP3522136B2 (ja) 1998-12-11 1998-12-11 光ディスク装置の光軸倒れ調整装置及び方法

Publications (1)

Publication Number Publication Date
HK1028477A1 true HK1028477A1 (en) 2001-02-16

Family

ID=18422574

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00107863A HK1028477A1 (en) 1998-12-11 2000-12-07 Method and device for adjusting an optical axis angle in an optical disk device

Country Status (7)

Country Link
US (2) US6381205B1 (ja)
EP (1) EP1008986B1 (ja)
JP (1) JP3522136B2 (ja)
CN (1) CN1127722C (ja)
DE (1) DE69935959T2 (ja)
HK (1) HK1028477A1 (ja)
TW (1) TW455856B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7190184B2 (en) 2001-08-13 2007-03-13 Finisar Corporation Systems for wafer level burn-in of electronic devices
KR100468192B1 (ko) * 2002-04-23 2005-01-26 디브이에스 코리아 주식회사 디브이디 재생 장치에서 틸트 보정 방법
JP2007018578A (ja) * 2005-07-06 2007-01-25 Sharp Corp チルト調整方法およびこれを用いた光ディスク再生装置
US20070230303A1 (en) * 2006-04-04 2007-10-04 Hong-Chi Chen System of adjusting tilt angle of disc driver and adjusting method thereof
CN101320573B (zh) * 2007-06-07 2012-07-18 鸿富锦精密工业（深圳）有限公司 光学读取头倾斜调整方法及系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58169354A (ja) * 1982-03-31 1983-10-05 Hitachi Ltd 情報記録円板
JPH0766554B2 (ja) 1990-04-25 1995-07-19 パイオニア株式会社 記録情報読取装置
JPH0619844A (ja) 1992-07-02 1994-01-28 Fuji Xerox Co Ltd コマンド入力制御装置
JP2768608B2 (ja) 1992-11-30 1998-06-25 株式会社ケンウッド 光ピックアップの光軸調整機構
US5703855A (en) * 1993-04-06 1997-12-30 Hitachi, Ltd. Optical disk apparatus and recording and reading method for an optical disk using the same
EP0644536B1 (en) * 1993-09-22 1999-06-23 Victor Company Of Japan, Ltd. Automatic attitude correcting system for optical disc device
JP3326946B2 (ja) * 1994-01-10 2002-09-24 ソニー株式会社 光ディスク再生装置及び光ディスク再生方法
US5663942A (en) * 1994-05-02 1997-09-02 Matsushita Electric Industrial Co., Ltd. Jitter measurement apparatus detecting amplitude of phase errors between information signal and synchronized clock signal
US5898654A (en) * 1994-07-14 1999-04-27 Matsushita Electric Industrial Co., Ltd. Optical disk and optical disk apparatus having a predetermined pattern of marks on tracks such that a reproduced signal is caused to jitter
US5805543A (en) * 1995-02-22 1998-09-08 Matsushita Electric Industrial Co., Ltd. Tilt control apparatus based on pulsed width detection of an information reproduced signal
JP3489271B2 (ja) * 1995-06-16 2004-01-19 ソニー株式会社 ディスク駆動装置および傾き調整方法
JPH0991713A (ja) * 1995-09-27 1997-04-04 Canon Inc 光学的情報記録再生装置
EP0855081A2 (en) * 1996-07-03 1998-07-29 Koninklijke Philips Electronics N.V. Device for scanning information tracks on a record carrier
JP3491191B2 (ja) * 1997-08-19 2004-01-26 富士通株式会社 光磁気記録媒体のチルト補正方法、その実施に使用する装置及び光磁気記録媒体
KR100327203B1 (ko) * 1998-03-14 2002-05-09 윤종용 틸트검출패턴을가지는광디스크기록매체,그리고이에적합한틸트검출방법

Also Published As

Publication number Publication date
US20020075779A1 (en) 2002-06-20
US6381205B1 (en) 2002-04-30
JP2000173064A (ja) 2000-06-23
EP1008986A2 (en) 2000-06-14
CN1257277A (zh) 2000-06-21
EP1008986B1 (en) 2007-05-02
JP3522136B2 (ja) 2004-04-26
DE69935959D1 (de) 2007-06-14
EP1008986A3 (en) 2000-06-28
CN1127722C (zh) 2003-11-12
TW455856B (en) 2001-09-21
US6563777B2 (en) 2003-05-13
DE69935959T2 (de) 2008-01-10

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PE Patent expired

Effective date: 20191210