GB1454081A - Digital data magnetic tape recording apparatus - Google Patents

Digital data magnetic tape recording apparatus

Info

Publication number
GB1454081A
GB1454081A GB5890573A GB5890573A GB1454081A GB 1454081 A GB1454081 A GB 1454081A GB 5890573 A GB5890573 A GB 5890573A GB 5890573 A GB5890573 A GB 5890573A GB 1454081 A GB1454081 A GB 1454081A
Authority
GB
United Kingdom
Prior art keywords
error
magnetic tape
digital data
corresponding track
group
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
Application number
GB5890573A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1454081A publication Critical patent/GB1454081A/en
Expired legal-status Critical Current

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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Detection And Correction Of Errors (AREA)
  • Error Detection And Correction (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Debugging And Monitoring (AREA)
GB5890573A 1972-12-26 1973-12-19 Digital data magnetic tape recording apparatus Expired GB1454081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00318453A US3821703A (en) 1972-12-26 1972-12-26 Signal transferring

Publications (1)

Publication Number Publication Date
GB1454081A true GB1454081A (en) 1976-10-27

Family

ID=23238251

Family Applications (3)

Application Number Title Priority Date Filing Date
GB5890573A Expired GB1454081A (en) 1972-12-26 1973-12-19 Digital data magnetic tape recording apparatus
GB5890273A Expired GB1452968A (en) 1972-12-26 1973-12-19 Digital data processing apparatus
GB5890373A Expired GB1454290A (en) 1972-12-26 1973-12-19 Digital data processing apparatus

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB5890273A Expired GB1452968A (en) 1972-12-26 1973-12-19 Digital data processing apparatus
GB5890373A Expired GB1454290A (en) 1972-12-26 1973-12-19 Digital data processing apparatus

Country Status (7)

Country Link
US (1) US3821703A (enExample)
JP (4) JPS5548607B2 (enExample)
CA (1) CA1054254A (enExample)
DE (1) DE2364705C2 (enExample)
FR (3) FR2212061A5 (enExample)
GB (3) GB1454081A (enExample)
IT (1) IT1001097B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2225890B1 (enExample) * 1973-04-13 1976-09-10 Honeywell Bull Soc Ind
GB1467037A (en) * 1973-07-18 1977-03-16 Siemens Ag Electronic data storage systems
US4052698A (en) * 1975-03-17 1977-10-04 Burroughs Corporation Multi-parallel-channel error checking
JPS5282151A (en) * 1975-12-29 1977-07-09 Fujitsu Ltd Correction control system
JPS52115636A (en) * 1976-03-24 1977-09-28 Nec Corp Fixed pattern writing control device
JPS5369562A (en) * 1976-12-03 1978-06-21 Fujitsu Ltd System for error correction and processing
US4308557A (en) * 1979-10-12 1981-12-29 Rca Corporation Video disc system
FI803145A7 (fi) * 1979-10-12 1981-04-13 Rca Corp Parannettu virheenkoodausjärjestelmä videolevyjärjestelmää varten.
JPS5676861A (en) * 1979-11-27 1981-06-24 Toshiba Corp Floppy disk controller
US4393445A (en) * 1981-03-06 1983-07-12 International Business Machines Corporation Information-signal recording apparatus employing record volume oriented identification signals
JPS57207960A (en) * 1981-06-17 1982-12-20 Toshiba Corp Method for adding error correcting code to variable length data
JPS58123253A (ja) * 1982-01-19 1983-07-22 Sony Corp エラ−訂正装置
JPS60107133A (ja) * 1983-11-16 1985-06-12 Fujitsu Ltd 磁気ディスク装置の情報転送方法
US4720831A (en) * 1985-12-02 1988-01-19 Advanced Micro Devices, Inc. CRC calculation machine with concurrent preset and CRC calculation function
US4789972A (en) * 1986-12-22 1988-12-06 International Business Machines Corporation Selectively controlling the erasure in a magneto-optic recording medium
US4937800A (en) * 1986-12-22 1990-06-26 International Business Machines Corporation Method of recording using selective-erasure directions for magnetooptic record members
US4916680A (en) * 1986-12-22 1990-04-10 International Business Machines Corporation Magnetooptic recording member having selectively-reversed erasure directions in predetermined recording areas of the record member
US5109385A (en) * 1989-04-27 1992-04-28 International Business Machines Corporation Enhanced data formats and machine operations for enabling error correction
US5172381A (en) * 1989-04-27 1992-12-15 International Business Machines Corporation Enhanced data formats and machine operations for enabling error correction
EP0406189B1 (en) * 1989-06-28 1995-07-26 International Business Machines Corporation A method for efficient utilization of removable data recording media
US5617432A (en) * 1994-11-09 1997-04-01 International Business Machines Corporation Common error protection code for data stored as a composite of different data formats
GB2312058B (en) * 1996-04-12 2000-08-09 Sony Uk Ltd Data buffer
GB2382899B (en) 2000-12-29 2003-12-17 Zarlink Semiconductor Ltd A data queue system
GB0031761D0 (en) * 2000-12-29 2001-02-07 Mitel Semiconductor Ltd Data queues
DE10216921A1 (de) * 2002-04-15 2003-10-23 Bosch Gmbh Robert Verfahren und Vorrichtung zum Auffüllen von Datenabschnitten sowie Bussystem
US8296619B2 (en) * 2007-04-20 2012-10-23 Interdigital Technology Corporation Method and apparatus for indicating a temporary block flow to which a piggybacked ACK/NACK field is addressed

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1383505A (fr) * 1964-02-26 1964-12-24 Inst Werkzeugmaschinen Procédé d'extension de l'aire d'information et de contrôle des erreurs cycliques pour un code à plusieurs canaux
US3675200A (en) * 1970-11-23 1972-07-04 Ibm System for expanded detection and correction of errors in parallel binary data produced by data tracks

Also Published As

Publication number Publication date
GB1452968A (en) 1976-10-20
US3821703A (en) 1974-06-28
DE2364705A1 (de) 1974-06-27
JPS51105240A (en) 1976-09-17
DE2364705C2 (de) 1987-04-02
CA1054254A (en) 1979-05-08
GB1454290A (en) 1976-11-03
JPS5548607B2 (enExample) 1980-12-06
FR2211707B1 (enExample) 1979-10-05
JPS4991735A (enExample) 1974-09-02
JPS5182539A (en) 1976-07-20
FR2211707A1 (enExample) 1974-07-19
JPS51105248A (en) 1976-09-17
JPS5444584B2 (enExample) 1979-12-26
IT1001097B (it) 1976-04-20
FR2212061A5 (enExample) 1974-07-19
JPS5444582B2 (enExample) 1979-12-26
JPS5444585B2 (enExample) 1979-12-26
FR2212059A5 (enExample) 1974-07-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921219