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 (cg-RX-API-DMAC10.html)
JP (1) JPS5127530B2 (cg-RX-API-DMAC10.html)
BE (1) BE792641A (cg-RX-API-DMAC10.html)
CA (1) CA1005905A (cg-RX-API-DMAC10.html)
DE (1) DE2259236A1 (cg-RX-API-DMAC10.html)
FR (1) FR2163474B1 (cg-RX-API-DMAC10.html)
GB (1) GB1394696A (cg-RX-API-DMAC10.html)
IT (1) IT971133B (cg-RX-API-DMAC10.html)

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 (cg-RX-API-DMAC10.html) * 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
US20030165028A1 (en) * 2002-01-16 2003-09-04 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
IT971133B (it) 1974-04-30
CA1005905A (en) 1977-02-22
JPS4866819A (cg-RX-API-DMAC10.html) 1973-09-13
FR2163474B1 (cg-RX-API-DMAC10.html) 1976-08-20
GB1394696A (en) 1975-05-21
JPS5127530B2 (cg-RX-API-DMAC10.html) 1976-08-13
FR2163474A1 (cg-RX-API-DMAC10.html) 1973-07-27
US3711844A (en) 1973-01-16
DE2259236A1 (de) 1973-06-28

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