GB981550A - System for providing a corrected reading of a recorded block of data bytes - Google Patents

System for providing a corrected reading of a recorded block of data bytes

Info

Publication number
GB981550A
GB981550A GB45922/63A GB4592263A GB981550A GB 981550 A GB981550 A GB 981550A GB 45922/63 A GB45922/63 A GB 45922/63A GB 4592263 A GB4592263 A GB 4592263A GB 981550 A GB981550 A GB 981550A
Authority
GB
United Kingdom
Prior art keywords
read
tape
row
column
error
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
GB45922/63A
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 GB981550A publication Critical patent/GB981550A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
    • G06F11/1032—Simple parity
    • 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
    • G11B20/1806—Pulse code modulation systems for audio signals
    • G11B20/1813—Pulse code modulation systems for audio signals by adding special bits or symbols to the coded information
    • 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
    • G11B20/1816—Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
GB45922/63A 1962-12-24 1963-11-21 System for providing a corrected reading of a recorded block of data bytes Expired GB981550A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US246707A US3273120A (en) 1962-12-24 1962-12-24 Error correction system by retransmission of erroneous data

Publications (1)

Publication Number Publication Date
GB981550A true GB981550A (en) 1965-01-27

Family

ID=22931859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45922/63A Expired GB981550A (en) 1962-12-24 1963-11-21 System for providing a corrected reading of a recorded block of data bytes

Country Status (6)

Country Link
US (1) US3273120A (en, 2012)
BE (1) BE641746A (en, 2012)
CH (1) CH406683A (en, 2012)
GB (1) GB981550A (en, 2012)
NL (2) NL301957A (en, 2012)
SE (1) SE313336B (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428944A (en) * 1965-03-08 1969-02-18 Burroughs Corp Error correction by retransmission
US3451049A (en) * 1966-01-19 1969-06-17 Control Data Corp Skew correction arrangement for parallel track readout devices
US3643243A (en) * 1969-11-26 1972-02-15 Sperry Rand Corp Memory system having associated plural timing tracks and data tracks
US3685015A (en) * 1970-10-06 1972-08-15 Xerox Corp Character bit error detection and correction
US3737628A (en) * 1971-06-11 1973-06-05 Automatic Corp Automatically programmed test grading and scoring method and system
US3729708A (en) * 1971-10-27 1973-04-24 Eastman Kodak Co Error detecting and correcting apparatus for use in a system wherein phase encoded binary information is recorded on a plural track
GB1467037A (en) * 1973-07-18 1977-03-16 Siemens Ag Electronic data storage systems
US3872431A (en) * 1973-12-10 1975-03-18 Honeywell Inf Systems Apparatus for detecting data bits and error bits in phase encoded data
JPS592057B2 (ja) * 1979-02-07 1984-01-17 株式会社日立製作所 エラ−訂正・検出方式
US4360915A (en) * 1979-02-07 1982-11-23 The Warner & Swasey Company Error detection means
US4637023A (en) * 1983-02-14 1987-01-13 Prime Computer, Inc. Digital data error correction method and apparatus
US4549295A (en) * 1983-06-21 1985-10-22 International Business Machines Corporation System for identifying defective media in magnetic tape storage systems
US8677009B2 (en) * 2010-01-22 2014-03-18 Microsoft Corporation Massive structured data transfer optimizations for high-latency, low-reliability networks
US20110185136A1 (en) * 2010-01-22 2011-07-28 Microsoft Corporation Moving large dynamic datasets via incremental change synchronization

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL95536C (en, 2012) * 1950-11-08
US2977049A (en) * 1953-06-04 1961-03-28 Bosch Arma Corp Target position computer
US2944248A (en) * 1955-02-23 1960-07-05 Curtiss Wright Corp Data transfer device
BE562690A (en, 2012) * 1956-11-26 1900-01-01
US3183483A (en) * 1961-01-16 1965-05-11 Sperry Rand Corp Error detection apparatus

Also Published As

Publication number Publication date
NL301957A (en, 2012)
NL137730C (en, 2012)
US3273120A (en) 1966-09-13
BE641746A (en, 2012) 1964-04-16
SE313336B (en, 2012) 1969-08-11
DE1449389A1 (de) 1969-06-12
CH406683A (de) 1966-01-31
DE1449389B2 (de) 1972-12-07

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