BE792641A - Procede et systeme permettant d'obtenir des enregistrements magnetiquespouvant etre mis a jour - Google Patents

Procede et systeme permettant d'obtenir des enregistrements magnetiquespouvant etre mis a jour

Info

Publication number
BE792641A
BE792641A BE792641DA BE792641A BE 792641 A BE792641 A BE 792641A BE 792641D A BE792641D A BE 792641DA BE 792641 A BE792641 A BE 792641A
Authority
BE
Belgium
Prior art keywords
updated
obtaining magnetic
magnetic recordings
recordings
obtaining
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
J W Irwin
Original Assignee
Ibm
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.)
Publication date
Publication of BE792641A publication Critical patent/BE792641A/xx

Links

Classifications

    • 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
    • G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
    • G11B20/1202—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with longitudinal tracks only
    • G11B20/1205—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with longitudinal tracks only for discontinuous data, e.g. digital information signals, computer programme data

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
BE792641D 1971-12-16 Procede et systeme permettant d'obtenir des enregistrements magnetiquespouvant etre mis a jour BE792641A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20860071A 1971-12-16 1971-12-16

Publications (1)

Publication Number Publication Date
BE792641A true BE792641A (fr) 1973-03-30

Family

ID=22775203

Family Applications (1)

Application Number Title Priority Date Filing Date
BE792641D BE792641A (fr) 1971-12-16 Procede et systeme permettant d'obtenir des enregistrements magnetiquespouvant etre mis a jour

Country Status (8)

Country Link
US (1) US3711844A (de)
JP (1) JPS5127530B2 (de)
BE (1) BE792641A (de)
CA (1) CA1005905A (de)
DE (1) DE2259236A1 (de)
FR (1) FR2163474B1 (de)
GB (1) GB1394696A (de)
IT (1) IT971133B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801969A (en) * 1972-07-24 1974-04-02 Itel Corp Erase feature for data recording device
US3935593A (en) * 1974-10-29 1976-01-27 Henry H. Tiesenhausen Multi-media production programmer
FR2315745A1 (fr) * 1975-06-23 1977-01-21 Ibm Procede et appareil pour copier des donnees d'une memoire a disques dans une autre ayant un debit binaire different
JPS55104986U (de) * 1979-01-19 1980-07-22
DE2924781A1 (de) * 1979-06-20 1981-01-15 Philips Patentverwaltung Verfahren und anordnung zum schreiben der sektoreinteilung einer speicherplatte
US4541019A (en) * 1982-11-26 1985-09-10 Cipher Data Products, Inc. Recording system for recording data on tape in a disk-recording format
US4584616A (en) * 1984-07-12 1986-04-22 Tallgrass Technologies Corporation Format for storing data on magnetic media
US5388012A (en) * 1992-02-28 1995-02-07 E-Systems, Inc. Partitioning of magnetic tape into sequentially occurring partitions between and around regularly occurring system zones
DE4325710C2 (de) * 1993-07-30 1998-04-09 Siemens Ag Verfahren zum Steuern einer an eine programmgesteuerte Einrichtung angeschlossenen Laufwerkeinrichtung für bandförmige digitale Datenträger
US5592342A (en) * 1994-05-23 1997-01-07 Quantum Corporation Method for packing variable size user data records into fixed size blocks on a storage medium
US5819297A (en) * 1995-09-27 1998-10-06 Emc Corporation Method and apparatus for creating reliably duplicatable tape volumes without copying any padding
WO2003063155A2 (en) * 2002-01-16 2003-07-31 Mike Battle Echo producing machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863137A (en) * 1957-02-05 1958-12-02 Gen Electric Tape-spacing system
US3193801A (en) * 1959-09-28 1965-07-06 Collins Radio Co Large gap data communication system
US3325796A (en) * 1963-06-28 1967-06-13 Ibm Apparatus for reducing magnetic tape inter-record gap
US3412385A (en) * 1964-11-12 1968-11-19 Scient Data Systems Inc Magnetic tape transducing control system
US3444541A (en) * 1965-06-21 1969-05-13 Ibm Tape inter-block gap size control

Also Published As

Publication number Publication date
GB1394696A (en) 1975-05-21
FR2163474A1 (de) 1973-07-27
FR2163474B1 (de) 1976-08-20
IT971133B (it) 1974-04-30
CA1005905A (en) 1977-02-22
US3711844A (en) 1973-01-16
JPS5127530B2 (de) 1976-08-13
JPS4866819A (de) 1973-09-13
DE2259236A1 (de) 1973-06-28

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