ATE309602T1 - Positionierungssteuerung für einen lese- und/oder schreibkopf - Google Patents

Positionierungssteuerung für einen lese- und/oder schreibkopf

Info

Publication number
ATE309602T1
ATE309602T1 AT01273465T AT01273465T ATE309602T1 AT E309602 T1 ATE309602 T1 AT E309602T1 AT 01273465 T AT01273465 T AT 01273465T AT 01273465 T AT01273465 T AT 01273465T AT E309602 T1 ATE309602 T1 AT E309602T1
Authority
AT
Austria
Prior art keywords
read
write head
track
point
time
Prior art date
Application number
AT01273465T
Other languages
English (en)
Inventor
Der Kall Herman P Van
Original Assignee
Philips Internat B V
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 Philips Internat B V filed Critical Philips Internat B V
Application granted granted Critical
Publication of ATE309602T1 publication Critical patent/ATE309602T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59605—Circuits
    • G11B5/59611—Detection or processing of peak/envelop signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Numerical Control (AREA)
AT01273465T 2001-01-24 2001-12-19 Positionierungssteuerung für einen lese- und/oder schreibkopf ATE309602T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01200237 2001-01-24
PCT/IB2001/002659 WO2002059885A1 (en) 2001-01-24 2001-12-19 Positioning control for read and/or write head

Publications (1)

Publication Number Publication Date
ATE309602T1 true ATE309602T1 (de) 2005-11-15

Family

ID=8179791

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01273465T ATE309602T1 (de) 2001-01-24 2001-12-19 Positionierungssteuerung für einen lese- und/oder schreibkopf

Country Status (8)

Country Link
US (1) US6937426B2 (de)
EP (1) EP1356465B8 (de)
JP (1) JP2004518239A (de)
KR (1) KR20020086670A (de)
CN (1) CN1419692A (de)
AT (1) ATE309602T1 (de)
DE (1) DE60114884D1 (de)
WO (1) WO2002059885A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080140921A1 (en) * 2004-06-10 2008-06-12 Sehat Sutardja Externally removable non-volatile semiconductor memory module for hard disk drives
US20070009104A1 (en) * 2004-09-23 2007-01-11 Renkis Martin A Wireless smart camera system and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7802860A (nl) * 1978-03-16 1979-09-18 Philips Nv Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen.
DE3363006D1 (en) * 1982-02-24 1986-05-22 Toshiba Kk Method and system for detecting the position of and apparatus for positioning a read-write head in seek operation on a disk memory having data and servo sectors
US5729511A (en) * 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
CA2071412A1 (en) * 1991-11-01 1993-05-02 Clark Alan Anderson Method and apparatus for reducing track switch latency in a disk drive
JPH06215503A (ja) * 1993-01-14 1994-08-05 Canon Inc 情報記録再生装置
JP3971462B2 (ja) * 1994-11-25 2007-09-05 ソニー株式会社 ディスク再生装置
US5668680A (en) 1995-09-21 1997-09-16 Seagate Technology, Inc. Time optimal control of a disc drive actuator with vibro-acoustic constraints

Also Published As

Publication number Publication date
JP2004518239A (ja) 2004-06-17
EP1356465A1 (de) 2003-10-29
US20020110052A1 (en) 2002-08-15
US6937426B2 (en) 2005-08-30
KR20020086670A (ko) 2002-11-18
EP1356465B8 (de) 2006-01-11
WO2002059885A1 (en) 2002-08-01
EP1356465B1 (de) 2005-11-09
DE60114884D1 (de) 2005-12-15
CN1419692A (zh) 2003-05-21

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties