AU2003255961A8 - Track jump unit. - Google Patents

Track jump unit.

Info

Publication number
AU2003255961A8
AU2003255961A8 AU2003255961A AU2003255961A AU2003255961A8 AU 2003255961 A8 AU2003255961 A8 AU 2003255961A8 AU 2003255961 A AU2003255961 A AU 2003255961A AU 2003255961 A AU2003255961 A AU 2003255961A AU 2003255961 A8 AU2003255961 A8 AU 2003255961A8
Authority
AU
Australia
Prior art keywords
track jump
jump unit
unit
track
jump
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.)
Abandoned
Application number
AU2003255961A
Other versions
AU2003255961A1 (en
Inventor
Michel Vanspauwen
Chris Convents
Bruno Champagne
Bert Van Houte
Joseph Verbeeck
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of AU2003255961A1 publication Critical patent/AU2003255961A1/en
Publication of AU2003255961A8 publication Critical patent/AU2003255961A8/en
Abandoned 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
    • G11B7/085—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
    • 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
    • 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
    • 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
    • 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
    • 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
AU2003255961A 2002-08-28 2003-08-19 Track jump unit. Abandoned AU2003255961A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02292122 2002-08-28
EP02292122.5 2002-08-28
PCT/IB2003/003717 WO2004021335A2 (en) 2002-08-28 2003-08-19 Track jump unit.

Publications (2)

Publication Number Publication Date
AU2003255961A1 AU2003255961A1 (en) 2004-03-19
AU2003255961A8 true AU2003255961A8 (en) 2004-03-19

Family

ID=31970475

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003255961A Abandoned AU2003255961A1 (en) 2002-08-28 2003-08-19 Track jump unit.

Country Status (6)

Country Link
EP (1) EP1537567A2 (en)
JP (1) JP2005537600A (en)
KR (1) KR20050038644A (en)
CN (1) CN1864210A (en)
AU (1) AU2003255961A1 (en)
WO (1) WO2004021335A2 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8602911A (en) * 1986-11-17 1988-06-16 Philips Nv Apparatus for registering and / or reading information in a disk-shaped record carrier, respectively.
US5291464A (en) * 1991-06-25 1994-03-01 Victor Company Of Japan, Ltd. Speed and position control apparatus for positioning a movable object

Also Published As

Publication number Publication date
JP2005537600A (en) 2005-12-08
EP1537567A2 (en) 2005-06-08
KR20050038644A (en) 2005-04-27
CN1864210A (en) 2006-11-15
AU2003255961A1 (en) 2004-03-19
WO2004021335A3 (en) 2004-04-22
WO2004021335A2 (en) 2004-03-11

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase