FR2548425B1 - Appareil de certification de bandes magnetiques - Google Patents

Appareil de certification de bandes magnetiques

Info

Publication number
FR2548425B1
FR2548425B1 FR8310861A FR8310861A FR2548425B1 FR 2548425 B1 FR2548425 B1 FR 2548425B1 FR 8310861 A FR8310861 A FR 8310861A FR 8310861 A FR8310861 A FR 8310861A FR 2548425 B1 FR2548425 B1 FR 2548425B1
Authority
FR
France
Prior art keywords
magnetic tape
certification apparatus
certification
tape
magnetic
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
FR8310861A
Other languages
English (en)
Other versions
FR2548425A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8310861A priority Critical patent/FR2548425B1/fr
Publication of FR2548425A1 publication Critical patent/FR2548425A1/fr
Application granted granted Critical
Publication of FR2548425B1 publication Critical patent/FR2548425B1/fr
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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/1207—Testing individual magnetic storage devices, e.g. records carriers or digital storage elements
    • 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
    • G11B20/182—Testing using test patterns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
FR8310861A 1983-06-30 1983-06-30 Appareil de certification de bandes magnetiques Expired FR2548425B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8310861A FR2548425B1 (fr) 1983-06-30 1983-06-30 Appareil de certification de bandes magnetiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8310861A FR2548425B1 (fr) 1983-06-30 1983-06-30 Appareil de certification de bandes magnetiques

Publications (2)

Publication Number Publication Date
FR2548425A1 FR2548425A1 (fr) 1985-01-04
FR2548425B1 true FR2548425B1 (fr) 1988-06-17

Family

ID=9290346

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8310861A Expired FR2548425B1 (fr) 1983-06-30 1983-06-30 Appareil de certification de bandes magnetiques

Country Status (1)

Country Link
FR (1) FR2548425B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62146471A (ja) * 1985-12-20 1987-06-30 Matsushita Electric Ind Co Ltd 光学的情報記録再生装置
US7752488B2 (en) 2006-01-06 2010-07-06 International Business Machines Corporation Method to adjust error thresholds in a data storage and retrieval system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581297A (en) * 1967-09-18 1971-05-25 Burroughs Corp Binary data handling system
FR2156998A5 (fr) * 1971-10-13 1973-06-01 Le Tinevez Yves
US3821716A (en) * 1973-03-05 1974-06-28 Honeywell Inf Systems Method and apparatus for recovering data in an nrzi recording system

Also Published As

Publication number Publication date
FR2548425A1 (fr) 1985-01-04

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property