DE68918725D1 - Datenspeicherungsverfahren. - Google Patents

Datenspeicherungsverfahren.

Info

Publication number
DE68918725D1
DE68918725D1 DE68918725T DE68918725T DE68918725D1 DE 68918725 D1 DE68918725 D1 DE 68918725D1 DE 68918725 T DE68918725 T DE 68918725T DE 68918725 T DE68918725 T DE 68918725T DE 68918725 D1 DE68918725 D1 DE 68918725D1
Authority
DE
Germany
Prior art keywords
test section
tape
bom
bor
data storage
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
DE68918725T
Other languages
English (en)
Other versions
DE68918725T2 (de
Inventor
Brian Andrew Milthorp
Bruce Allen Thompson
Yoshizumi Inazawa
Shigeyuki Satomura
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.)
Hewlett Packard Ltd
Sony Corp
Original Assignee
Hewlett Packard Ltd
Sony 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 Hewlett Packard Ltd, Sony Corp filed Critical Hewlett Packard Ltd
Application granted granted Critical
Publication of DE68918725D1 publication Critical patent/DE68918725D1/de
Publication of DE68918725T2 publication Critical patent/DE68918725T2/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
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/087Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded signals
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808Driving of both record carrier and head
    • G11B15/1875Driving of both record carrier and head adaptations for special effects or editing
    • 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
    • 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
    • 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3063Subcodes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • 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
    • G11B20/1211Formatting, e.g. arrangement of data block or words on the record carriers on tapes with different data track configurations
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/90Tape-like record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/90Tape-like record carriers
    • G11B2220/91Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
    • G11B2220/913Digital audio tape [DAT] format

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
DE68918725T 1988-01-08 1989-01-04 Datenspeicherungsverfahren. Expired - Fee Related DE68918725T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888800348A GB8800348D0 (en) 1988-01-08 1988-01-08 Data storage method

Publications (2)

Publication Number Publication Date
DE68918725D1 true DE68918725D1 (de) 1994-11-17
DE68918725T2 DE68918725T2 (de) 1995-02-16

Family

ID=10629645

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68918725T Expired - Fee Related DE68918725T2 (de) 1988-01-08 1989-01-04 Datenspeicherungsverfahren.

Country Status (5)

Country Link
EP (1) EP0329265B1 (de)
JP (1) JP2950841B2 (de)
KR (1) KR920002799B1 (de)
DE (1) DE68918725T2 (de)
GB (1) GB8800348D0 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2013183A1 (en) * 1989-11-09 1991-05-09 Robert C. Richmond Audio tape operation on a data storage drive
JPH03183068A (ja) * 1989-12-13 1991-08-09 Hitachi Ltd 磁気テープ記憶装置のフォーマット方式
US5194995A (en) * 1991-01-09 1993-03-16 Wangdat, Inc. Method and apparatus for recording compressed data on DAT media
JPH04286777A (ja) * 1991-03-17 1992-10-12 Sony Corp 磁気記録装置
AU663919B2 (en) * 1992-02-28 1995-10-26 Ampex Systems Corporation System zones for non-beginning of tape operations
GB9403025D0 (en) 1994-02-17 1994-04-06 Hewlett Packard Ltd Methods and apparatus for storing data and auxilli ary information
GB9805367D0 (en) * 1998-03-13 1998-05-06 Hewlett Packard Co Data storage system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360842A (en) * 1978-10-11 1982-11-23 Sharp Kabushiki Kaisha Data processor for recording and reading out check data and true data in a cassette tape
GB2117164B (en) * 1982-02-25 1985-09-04 Racal Recorders Ltd Automatic calibration arrangement for a tape recorder
US4635141A (en) * 1982-10-13 1987-01-06 United States Design Corporation Method and apparatus for storing data on magnetic or optical media
JPS59129904A (ja) * 1983-01-17 1984-07-26 Mitsubishi Electric Corp 磁気記録再生方式
JPS60234278A (ja) * 1984-05-07 1985-11-20 Matsushita Electric Ind Co Ltd デイジタルテ−プレコ−ダ

Also Published As

Publication number Publication date
EP0329265A2 (de) 1989-08-23
DE68918725T2 (de) 1995-02-16
EP0329265B1 (de) 1994-10-12
KR890012288A (ko) 1989-08-25
JPH01223671A (ja) 1989-09-06
JP2950841B2 (ja) 1999-09-20
EP0329265A3 (en) 1990-10-03
GB8800348D0 (en) 1988-02-10
KR920002799B1 (ko) 1992-04-03

Similar Documents

Publication Publication Date Title
US4802030A (en) Head-tape alignment apparatus with a tape edge find operation
ATE95939T1 (de) Mechanismus zum ueberspringen von fehlern bei plattengeraeten.
DE3783406D1 (de) Geraet zur datenaufzeichnung und -wiedergabe auf oder von einer optischen platte.
US4950890A (en) Method and apparatus for correcting position errors using writable encoders
EP0077642A3 (en) Three beam optical memory system
HU903204D0 (en) Process and device for recording data, measuring procedure and measuring device utilizable in the recording process and device and information carrier
ATE48473T1 (de) Messeinrichtung.
DE68918725D1 (de) Datenspeicherungsverfahren.
JPS55113137A (en) Error skip system of photo recording and reproducing device
DE58908689D1 (de) Aufzeichnungs- und/oder Wiedergabesystem und Kassette für ein solches System.
DE3688136D1 (de) Verfahren zum testen und setzen von daten in einen datensatz auf einer platte in eine atomaren ein/ausgabeoperation.
JPS6437761A (en) Optical card device
US4796125A (en) Optimizing the positioning of a pair of magnetic heads relative to spaced tracks on magnetic tape
JPS57166659A (en) Magnetic disk device
KR100403040B1 (ko) 하드 디스크 드라이브 제조공정의 수율향상 방법
EP0355620A2 (de) Optische Karte
JPS5562515A (en) Medium write error processing system
JPS5766519A (en) Magnetic tape processor
JPS6414788A (en) Optical card recording and reproducing device
JPS5764334A (en) Optical information recording system
JPS6212972A (ja) デイスク装置のためのサ−ボパタ−ン書込み装置
JPS56119918A (en) Magnetic disc memory device
SU691923A1 (ru) Устройство записи и считывани информации дл накопител запоминающего устройства
JPS648551A (en) Disk driver and disk cartridge used for the driver
JPS59113572A (ja) 磁気デイスク装置のオフトラツク量測定装置

Legal Events

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