ID27221A - Peralatan disk - Google Patents

Peralatan disk

Info

Publication number
ID27221A
ID27221A IDP20000746A ID20000746A ID27221A ID 27221 A ID27221 A ID 27221A ID P20000746 A IDP20000746 A ID P20000746A ID 20000746 A ID20000746 A ID 20000746A ID 27221 A ID27221 A ID 27221A
Authority
ID
Indonesia
Prior art keywords
disk equipment
disk
equipment
Prior art date
Application number
IDP20000746A
Other languages
English (en)
Inventor
Tadashi Okajima
Original Assignee
Sanyo Electric Co
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 Sanyo Electric Co filed Critical Sanyo Electric Co
Publication of ID27221A publication Critical patent/ID27221A/id

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10563—Access of indexed parts
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
IDP20000746A 1999-09-03 2000-09-01 Peralatan disk ID27221A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25052599A JP3530429B2 (ja) 1999-09-03 1999-09-03 ディスク装置

Publications (1)

Publication Number Publication Date
ID27221A true ID27221A (id) 2001-03-08

Family

ID=17209201

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP20000746A ID27221A (id) 1999-09-03 2000-09-01 Peralatan disk

Country Status (6)

Country Link
US (1) US6975565B1 (id)
EP (1) EP1081689A1 (id)
JP (1) JP3530429B2 (id)
KR (1) KR100634949B1 (id)
CN (1) CN1154096C (id)
ID (1) ID27221A (id)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
CN100338666C (zh) * 2004-01-16 2007-09-19 建兴电子科技股份有限公司 光驱中增进跳轨性能的方法
TW200527418A (en) * 2004-02-03 2005-08-16 Mediatek Inc Method and device determining tracking error signal polarity of target track while CD drive skips to end track

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3618137A1 (de) * 1985-05-31 1986-12-11 Hitachi, Ltd., Tokio/Tokyo Bildplatten-zugriffsverfahren und bildplattenspeicher
KR910003457B1 (ko) * 1987-09-17 1991-05-31 삼성전자 주식회사 광 디스크 드라이버의 데이타 트랙 카운터회로
JPH01169741A (ja) * 1987-12-24 1989-07-05 Nec Corp トラック極性検出装置
JP2693281B2 (ja) * 1991-03-19 1997-12-24 富士通株式会社 光ディスク装置のシーク制御方法及びその回路
US5351222A (en) * 1991-10-08 1994-09-27 Fujitsu Limited Disk storage apparatus including a single power supply hysteresis comparator having a symmetrical characteristic
JPH05325209A (ja) 1992-05-22 1993-12-10 Nec Corp トラックサーボ引き込み装置
US5675562A (en) * 1995-03-20 1997-10-07 Fujitsu Limited Seek control method in optical storage device
JP3546535B2 (ja) 1995-06-09 2004-07-28 ソニー株式会社 光ディスク装置
JPH09167359A (ja) 1995-12-14 1997-06-24 Hitachi Ltd トラッキングおよびトラックジャンプ制御装置
JP2842358B2 (ja) 1996-02-13 1999-01-06 日本電気株式会社 光ディスクのトラックカウント装置
JP3620143B2 (ja) * 1996-04-22 2005-02-16 三菱電機株式会社 光ディスク装置
KR100238070B1 (ko) * 1996-11-28 2000-01-15 윤종용 광디스크시스템의 트랙횡단신호발생장치
US5901120A (en) * 1997-04-18 1999-05-04 Nec Corporation Optical disc apparatus with sensing circuitry to judge a movement direction of a beam spot
JPH1173650A (ja) 1997-08-27 1999-03-16 Pioneer Electron Corp ディスクプレーヤのトラック横断速度検出装置
US6314066B1 (en) * 1999-07-21 2001-11-06 Lg Electronics Inc. Method for controlling track jump in optical recording medium

Also Published As

Publication number Publication date
EP1081689A1 (en) 2001-03-07
JP3530429B2 (ja) 2004-05-24
KR20010030240A (ko) 2001-04-16
CN1154096C (zh) 2004-06-16
JP2001076354A (ja) 2001-03-23
KR100634949B1 (ko) 2006-10-17
US6975565B1 (en) 2005-12-13
CN1288227A (zh) 2001-03-21

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