DE69030625D1 - Doppelkanal-aufzeichnungsgerät mit schraubenabtastung - Google Patents

Doppelkanal-aufzeichnungsgerät mit schraubenabtastung

Info

Publication number
DE69030625D1
DE69030625D1 DE69030625T DE69030625T DE69030625D1 DE 69030625 D1 DE69030625 D1 DE 69030625D1 DE 69030625 T DE69030625 T DE 69030625T DE 69030625 T DE69030625 T DE 69030625T DE 69030625 D1 DE69030625 D1 DE 69030625D1
Authority
DE
Germany
Prior art keywords
heads
block
tape
written
write
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
DE69030625T
Other languages
English (en)
Other versions
DE69030625T2 (de
Inventor
Christopher Zook
Robert Bordasch
Steven Georgis
Alireza Atai-Azimi
Christopher Pisciotta
Steve Haugland
Timothy Hughes
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.)
Exabyte Corp
Original Assignee
Exabyte 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 Exabyte Corp filed Critical Exabyte Corp
Application granted granted Critical
Publication of DE69030625D1 publication Critical patent/DE69030625D1/de
Publication of DE69030625T2 publication Critical patent/DE69030625T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883Methods for assignment of alternate areas for defective areas
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1201Formatting, e.g. arrangement of data block or words on the record carriers on tapes
    • G11B20/1207Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only
    • G11B20/1209Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only for discontinuous data, e.g. digital information signals, computer programme data
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00847Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
    • G11B5/0086Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
    • G11B5/00865Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks for transducing on more than one segment simultaneously
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09Digital recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816Testing
    • G11B2020/183Testing wherein at least one additional attempt is made to read or write the data when a first attempt is unsuccessful
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/90Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Moving Of Heads (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Digital Magnetic Recording (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
DE69030625T 1989-11-09 1990-11-09 Doppelkanal-aufzeichnungsgerät mit schraubenabtastung Expired - Fee Related DE69030625T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43396189A 1989-11-09 1989-11-09
PCT/US1990/006321 WO1991007744A1 (en) 1989-11-09 1990-11-09 Dual channel helical scan recorder

Publications (2)

Publication Number Publication Date
DE69030625D1 true DE69030625D1 (de) 1997-06-05
DE69030625T2 DE69030625T2 (de) 1998-01-02

Family

ID=23722264

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69030625T Expired - Fee Related DE69030625T2 (de) 1989-11-09 1990-11-09 Doppelkanal-aufzeichnungsgerät mit schraubenabtastung

Country Status (7)

Country Link
EP (1) EP0500797B1 (de)
JP (1) JP2620012B2 (de)
AT (1) ATE152541T1 (de)
AU (1) AU635473B2 (de)
CA (1) CA2066176C (de)
DE (1) DE69030625T2 (de)
WO (1) WO1991007744A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5517599A (en) * 1992-02-28 1996-05-14 Ampex Corporation Data recording system and method having logical overrecording capability
US5384668A (en) * 1992-02-28 1995-01-24 Ampex Corporation Data recording system having unique end-of-recording and start-of-recording format indicators
US5450250A (en) * 1992-02-28 1995-09-12 E-Systems, Inc. Method for transparently marking the location of data files on recording media
US5543977A (en) * 1992-02-28 1996-08-06 Ampex Systems Corporation Data recording system having improved longitudinal and helical search capability
US5442493A (en) * 1992-02-28 1995-08-15 Ampex Corporation Data recording system having improved bookkeeping capability
JP3649587B2 (ja) * 1998-05-25 2005-05-18 アルプス電気株式会社 回転ヘッド装置
EP0984451B1 (de) * 1998-07-09 2005-12-14 Hewlett-Packard Company, A Delaware Corporation Verbessertes Datenschreiben auf Datenspeichermedium
GB2422477A (en) * 2005-01-21 2006-07-26 Hewlett Packard Development Co Tape drive apparatus for identifying data fragments

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011587A (en) * 1974-03-14 1977-03-08 International Business Machines Corporation Rotary head magnetic recorder for use with a specific record member
JPS58185009A (ja) * 1982-04-23 1983-10-28 Sony Corp 磁気記録再生装置
JPS61187103A (ja) * 1985-02-14 1986-08-20 Sony Corp オ−デイオ信号の記録/再生装置
JPS62124660A (ja) * 1985-11-22 1987-06-05 Fuji Photo Film Co Ltd 磁気シ−トパツクの着脱装置
US4835628A (en) * 1987-05-11 1989-05-30 Exabyte Corporation Apparatus and method for formatting and recording digital data on magnetic tape

Also Published As

Publication number Publication date
EP0500797A1 (de) 1992-09-02
EP0500797B1 (de) 1997-05-02
EP0500797A4 (de) 1994-05-04
AU635473B2 (en) 1993-03-18
AU6965891A (en) 1991-06-13
DE69030625T2 (de) 1998-01-02
CA2066176C (en) 1995-09-19
JP2620012B2 (ja) 1997-06-11
ATE152541T1 (de) 1997-05-15
WO1991007744A1 (en) 1991-05-30
JPH05500583A (ja) 1993-02-04
CA2066176A1 (en) 1991-05-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee