EP1075690A4 - Tape servo pattern including longitudinal position information - Google Patents

Tape servo pattern including longitudinal position information

Info

Publication number
EP1075690A4
EP1075690A4 EP98913305A EP98913305A EP1075690A4 EP 1075690 A4 EP1075690 A4 EP 1075690A4 EP 98913305 A EP98913305 A EP 98913305A EP 98913305 A EP98913305 A EP 98913305A EP 1075690 A4 EP1075690 A4 EP 1075690A4
Authority
EP
European Patent Office
Prior art keywords
information relating
including information
magnetic strip
longitudinal positioning
positioner including
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.)
Withdrawn
Application number
EP98913305A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1075690A1 (en
Inventor
Ronald Dean Gillingham
Steven Gregory Trabert
John Paul Mantey
Keith Gary Boyer
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.)
GlassBridge Enterprises Inc
Original Assignee
Imation 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 Imation Corp filed Critical Imation Corp
Priority claimed from PCT/US1998/006261 external-priority patent/WO1999050836A1/en
Publication of EP1075690A1 publication Critical patent/EP1075690A1/en
Publication of EP1075690A4 publication Critical patent/EP1075690A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/59633—Servo formatting
    • G11B5/59638—Servo formatting apparatuses, e.g. servo-writers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10268—Improvement or modification of read or write signals bit detection or demodulation methods
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
    • 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
    • G11B5/59616—Synchronisation; Clocking
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B2020/1218—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc
    • G11B2020/1225—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc frame, i.e. a subunit of a sector containing user data, e.g. a sync frame
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B2020/1476—Synchronisation patterns; Coping with defects thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
EP98913305A 1998-03-30 1998-03-30 Tape servo pattern including longitudinal position information Withdrawn EP1075690A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1998/006261 WO1999050836A1 (en) 1997-02-21 1998-03-30 Tape servo pattern including longitudinal position information

Publications (2)

Publication Number Publication Date
EP1075690A1 EP1075690A1 (en) 2001-02-14
EP1075690A4 true EP1075690A4 (en) 2002-06-12

Family

ID=22266718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98913305A Withdrawn EP1075690A4 (en) 1998-03-30 1998-03-30 Tape servo pattern including longitudinal position information

Country Status (3)

Country Link
EP (1) EP1075690A4 (enExample)
JP (1) JP4022373B2 (enExample)
KR (1) KR20010041673A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7421640B2 (en) * 2005-08-17 2008-09-02 International Business Machines Corporation Method and apparatus for providing error correction capability to longitudinal position data

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121270A (en) * 1989-09-19 1992-06-09 Alcudia Ezra R Multitransducer head positioning servo for use in a bi-directional magnetic tape system
US5396376A (en) * 1992-03-23 1995-03-07 Conner Peripherals, Inc. Multi-track embedded servo recording format and method
US5675448A (en) * 1994-12-08 1997-10-07 Imation Corp. Track pitch error compensation system for data cartridge tape drives

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121270A (en) * 1989-09-19 1992-06-09 Alcudia Ezra R Multitransducer head positioning servo for use in a bi-directional magnetic tape system
US5396376A (en) * 1992-03-23 1995-03-07 Conner Peripherals, Inc. Multi-track embedded servo recording format and method
US5675448A (en) * 1994-12-08 1997-10-07 Imation Corp. Track pitch error compensation system for data cartridge tape drives

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9950836A1 *

Also Published As

Publication number Publication date
EP1075690A1 (en) 2001-02-14
KR20010041673A (ko) 2001-05-25
JP2002515622A (ja) 2002-05-28
JP4022373B2 (ja) 2007-12-19

Similar Documents

Publication Publication Date Title
DE69922570D1 (de) Wandler für Magnetbänder
DE69535404D1 (de) Flussteuerung für echtzeit-datenströme
DE19882586T1 (de) Gleitstück für Datenspeichersystem
DE69932538D1 (de) Spule fuer magnetbandkassette
DE69904999D1 (de) Belichtungsvorrichtung für ein Werkstück in Form eines Streifens
DE69523233D1 (de) Schnittgerät für Bilddaten
DE59900221D1 (de) Bahnplanungsverfahren für eine mobile einheit zur flächenbearbeitung
DE69535546D1 (de) System für Informationsanbietung
DE69601802D1 (de) Trägerband für bauteile
DE69506403D1 (de) Programmführer für videofilmausschnitte
DE69730248D1 (de) Drahtgewebe-band für dreidimensionale transportstrecken
FI990754L (fi) Tiedonhallintamekanismi projektisuunnittelua varten
DE69509416D1 (de) Stützkernband für kaltschrumpfbares rohr
DE69933093D1 (de) Magnetisierungsmethode für Strassenmarkierung
DE69927533D1 (de) Magnetbandkassette
DE59702130D1 (de) Spulenkörper für eine Flachspule
DE69809864D1 (de) Schieber für Reissverschluss und Druckgiessvorrichtung dafür
ID22601A (id) Kartridge untuk suatu media perekam informasi
DE69713260D1 (de) Schieber für Reissverschlüsse und Metallgussvorrichting dafür
DE69416658D1 (de) Formatsteuereinheit für Bildinformation
DE69511417D1 (de) Bandführungseinheit fur datenkassette
DE69627225D1 (de) Magnetische Abdichtung für Entwicklungsgerät
DE69918056D1 (de) Magnetische datenmarkierung
EP1075690A4 (en) Tape servo pattern including longitudinal position information
DE69807380D1 (de) Schieber für Reissverschluss

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20000720

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: IMATION CORP.

A4 Supplementary search report drawn up and despatched

Effective date: 20020503

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): DE FR GB IT

RIC1 Information provided on ipc code assigned before grant

Free format text: 7G 11B 5/008 A, 7G 11B 15/087 B, 7G 11B 5/584 B

17Q First examination report despatched

Effective date: 20050624

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20090328