JP3882969B2 - ティルト検出装置 - Google Patents

ティルト検出装置 Download PDF

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Publication number
JP3882969B2
JP3882969B2 JP06896898A JP6896898A JP3882969B2 JP 3882969 B2 JP3882969 B2 JP 3882969B2 JP 06896898 A JP06896898 A JP 06896898A JP 6896898 A JP6896898 A JP 6896898A JP 3882969 B2 JP3882969 B2 JP 3882969B2
Authority
JP
Japan
Prior art keywords
crosstalk
filter coefficient
recording
recording track
read
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.)
Expired - Fee Related
Application number
JP06896898A
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English (en)
Japanese (ja)
Other versions
JPH11273113A5 (enExample
JPH11273113A (ja
Inventor
庄悟 宮鍋
祐基 栗林
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
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 filed Critical Pioneer Corp
Priority to JP06896898A priority Critical patent/JP3882969B2/ja
Priority to US09/268,831 priority patent/US6243337B1/en
Publication of JPH11273113A publication Critical patent/JPH11273113A/ja
Publication of JPH11273113A5 publication Critical patent/JPH11273113A5/ja
Application granted granted Critical
Publication of JP3882969B2 publication Critical patent/JP3882969B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing

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  • Optical Recording Or Reproduction (AREA)
JP06896898A 1998-03-18 1998-03-18 ティルト検出装置 Expired - Fee Related JP3882969B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP06896898A JP3882969B2 (ja) 1998-03-18 1998-03-18 ティルト検出装置
US09/268,831 US6243337B1 (en) 1998-03-18 1999-03-16 Tilt detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP06896898A JP3882969B2 (ja) 1998-03-18 1998-03-18 ティルト検出装置

Publications (3)

Publication Number Publication Date
JPH11273113A JPH11273113A (ja) 1999-10-08
JPH11273113A5 JPH11273113A5 (enExample) 2005-04-07
JP3882969B2 true JP3882969B2 (ja) 2007-02-21

Family

ID=13388994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP06896898A Expired - Fee Related JP3882969B2 (ja) 1998-03-18 1998-03-18 ティルト検出装置

Country Status (2)

Country Link
US (1) US6243337B1 (enExample)
JP (1) JP3882969B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002092918A (ja) * 2000-09-01 2002-03-29 Samsung Electro Mech Co Ltd チルト検出装置
EP1419502A1 (en) * 2001-08-10 2004-05-19 Koninklijke Philips Electronics N.V. Optical scanning device
JP4423670B2 (ja) 2003-11-27 2010-03-03 日本電気株式会社 情報記録媒体の再生方法および情報記録または再生を行う装置
JP2006172524A (ja) * 2004-12-10 2006-06-29 Toshiba Corp 光ディスク装置およびチルト制御方法
CN100426395C (zh) * 2005-12-23 2008-10-15 鸿富锦精密工业（深圳）有限公司 光学记录/再现装置的光束倾斜控制装置及方法
JP2014053054A (ja) * 2012-09-06 2014-03-20 Sony Corp 傾き検出方法および光ディスク装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253239A (en) * 1989-11-24 1993-10-12 Matsushita Electric Industrial Co., Ltd. Control apparatus for tracking a light beam on a track of an optical recording medium
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

Also Published As

Publication number Publication date
JPH11273113A (ja) 1999-10-08
US6243337B1 (en) 2001-06-05

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