FR1246678A - Dispositif destiné à effectuer simultanément des opérations d'enregistrement, delecture et de vérification - Google Patents

Dispositif destiné à effectuer simultanément des opérations d'enregistrement, delecture et de vérification

Info

Publication number
FR1246678A
FR1246678A FR817330A FR817330A FR1246678A FR 1246678 A FR1246678 A FR 1246678A FR 817330 A FR817330 A FR 817330A FR 817330 A FR817330 A FR 817330A FR 1246678 A FR1246678 A FR 1246678A
Authority
FR
France
Prior art keywords
reading
simultaneously perform
device intended
perform recording
verification operations
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
FR817330A
Other languages
English (en)
Inventor
Andrew Taras
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
Application granted granted Critical
Publication of FR1246678A publication Critical patent/FR1246678A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
FR817330A 1959-02-25 1960-02-02 Dispositif destiné à effectuer simultanément des opérations d'enregistrement, delecture et de vérification Expired FR1246678A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US795376A US3096511A (en) 1959-02-25 1959-02-25 Apparatus for effecting concurrent record, read and checking operations

Publications (1)

Publication Number Publication Date
FR1246678A true FR1246678A (fr) 1960-11-18

Family

ID=25165368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR817330A Expired FR1246678A (fr) 1959-02-25 1960-02-02 Dispositif destiné à effectuer simultanément des opérations d'enregistrement, delecture et de vérification

Country Status (4)

Country Link
US (1) US3096511A (fr)
DE (1) DE1105205B (fr)
FR (1) FR1246678A (fr)
GB (1) GB866343A (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227884A (en) * 1959-11-17 1966-01-04 Hensoldt & Sohne M Indicating device for measuring scales using magnetic and photoelectric scanners with a single scale
NL255641A (fr) * 1960-09-06
US3210527A (en) * 1961-06-12 1965-10-05 Ibm Magnetic reader
US3325632A (en) * 1961-07-12 1967-06-13 Sylvania Electric Prod Data storage techniques
NL294324A (fr) * 1962-06-29
BE638318A (fr) * 1962-10-11
US3359548A (en) * 1964-03-27 1967-12-19 Ampex Magnetic recording and verifying system
US3495215A (en) * 1965-12-30 1970-02-10 Us Navy Decoding system
US3479650A (en) * 1966-06-30 1969-11-18 Rca Corp Memory driver monitoring circuit
US3633016A (en) * 1970-03-04 1972-01-04 Digital General Corp Apparatus and method for testing electrical systems having a plurality of terminals
US3761905A (en) * 1971-08-20 1973-09-25 Information Storage Systems Disc pack defect detection system
JPS5357704A (en) * 1976-11-05 1978-05-25 Olympus Optical Co Ltd Code detection circuit
US4195769A (en) * 1978-06-12 1980-04-01 Honeywell Inc. Method and apparatus for fault-testing of electrical system monitor communication circuits
JPS5833610B2 (ja) * 1978-12-28 1983-07-21 日本ビクター株式会社 磁気記録再生装置におけるテ−プ位置検出装置
US4363125A (en) * 1979-12-26 1982-12-07 International Business Machines Corporation Memory readback check method and apparatus
FR2474226B1 (fr) * 1980-01-22 1985-10-11 Thomson Csf Dispositif de test pour enregistreur numerique multipiste
US4524444A (en) * 1982-01-12 1985-06-18 Discovision Associates Analyzing the signal transfer characteristics of a signal processing unit
JPS59185097A (ja) * 1983-04-04 1984-10-20 Oki Electric Ind Co Ltd 自己診断機能付メモリ装置
JPS59185098A (ja) * 1983-04-04 1984-10-20 Oki Electric Ind Co Ltd 自己診断回路内蔵型半導体メモリ装置
US5053705A (en) * 1989-12-27 1991-10-01 North American Philips Corp. Read/write coaxial magnetic head for use with apparatus for measuring the surface of superconductors

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462435A (en) * 1945-05-15 1949-02-22 Robert E Stanton Apparatus for uninterrupted reproduction of disk phonographrecords
US2737646A (en) * 1952-06-12 1956-03-06 Gulf Research Development Co Transient viewer and recorder
US2870430A (en) * 1952-08-09 1959-01-20 Northrop Aircraft Inc Distortion indicator
US2658114A (en) * 1952-08-26 1953-11-03 Bell Telephone Labor Inc Magnetic recording-reproducing device
US2786978A (en) * 1953-06-16 1957-03-26 Champion Paper & Fibre Co Apparatus for measuring surface speed
US2789026A (en) * 1953-10-30 1957-04-16 Ibm Error sensing arrangement for magnetic writing devices
US2813927A (en) * 1954-01-18 1957-11-19 Minnesota Mining & Mfg Plural track magnetic reproducing apparatus
US2871464A (en) * 1954-02-17 1959-01-27 Int Standard Electric Corp Methods of recording intelligence
US2774056A (en) * 1954-04-12 1956-12-11 Loew S Inc Comparator device
US3015810A (en) * 1954-12-27 1962-01-02 William S Latham Magnetic recorder and reproducer
US2969529A (en) * 1957-05-17 1961-01-24 Burroughs Corp Magnetic read-write head having two gaps

Also Published As

Publication number Publication date
GB866343A (en) 1961-04-26
US3096511A (en) 1963-07-02
DE1105205B (de) 1961-04-20

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