GB984262A - Improved system for the verification of magnetically recorded signals - Google Patents

Improved system for the verification of magnetically recorded signals

Info

Publication number
GB984262A
GB984262A GB24446/63A GB2444663A GB984262A GB 984262 A GB984262 A GB 984262A GB 24446/63 A GB24446/63 A GB 24446/63A GB 2444663 A GB2444663 A GB 2444663A GB 984262 A GB984262 A GB 984262A
Authority
GB
United Kingdom
Prior art keywords
signals
tape
read
data
june
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
GB24446/63A
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.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Publication of GB984262A publication Critical patent/GB984262A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/94—Signal drop-out compensation
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1608—Error detection by comparing the output signals of redundant hardware
    • G06F11/1612—Error detection by comparing the output signals of redundant hardware where the redundant component is persistent storage
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
GB24446/63A 1962-06-29 1963-06-19 Improved system for the verification of magnetically recorded signals Expired GB984262A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US206361A US3243789A (en) 1962-06-29 1962-06-29 Verification and correction of magnetic recording during a single pass of the transducer

Publications (1)

Publication Number Publication Date
GB984262A true GB984262A (en) 1965-02-24

Family

ID=22766027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24446/63A Expired GB984262A (en) 1962-06-29 1963-06-19 Improved system for the verification of magnetically recorded signals

Country Status (5)

Country Link
US (1) US3243789A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1449308B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1362841A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB984262A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL294324A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365708A (en) * 1964-02-27 1968-01-23 Ampex Simultaneous write-read magnetic recording system
US3359548A (en) * 1964-03-27 1967-12-19 Ampex Magnetic recording and verifying system
US3360789A (en) * 1964-04-16 1967-12-26 Ampex Deleting apparatus for magnetically recorded data
US3368211A (en) * 1965-07-26 1968-02-06 Bell Telephone Labor Inc Verification of nrzi recording
US3475740A (en) * 1966-02-28 1969-10-28 Infotronics Corp Magnetic recording and playback apparatus for analytical signals
US3579211A (en) * 1968-10-11 1971-05-18 Datel Corp Read-after-write verification of data on magnetic storage medium
US3806715A (en) * 1968-12-09 1974-04-23 Dennison Mfg Co Verification and reject marking system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2870430A (en) * 1952-08-09 1959-01-20 Northrop Aircraft Inc Distortion indicator
US2789026A (en) * 1953-10-30 1957-04-16 Ibm Error sensing arrangement for magnetic writing devices
US2871464A (en) * 1954-02-17 1959-01-27 Int Standard Electric Corp Methods of recording intelligence
US3056950A (en) * 1958-11-06 1962-10-02 Rca Corp Verification of magnetic recording
US3096511A (en) * 1959-02-25 1963-07-02 Ibm Apparatus for effecting concurrent record, read and checking operations

Also Published As

Publication number Publication date
NL294324A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR1362841A (fr) 1964-06-05
US3243789A (en) 1966-03-29
DE1449308B2 (de) 1971-02-04
DE1449308A1 (de) 1969-03-06

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