FR1061907A - Perfectionnements à l'enregistrement magnétique de données - Google Patents

Perfectionnements à l'enregistrement magnétique de données

Info

Publication number
FR1061907A
FR1061907A FR1061907DA FR1061907A FR 1061907 A FR1061907 A FR 1061907A FR 1061907D A FR1061907D A FR 1061907DA FR 1061907 A FR1061907 A FR 1061907A
Authority
FR
France
Prior art keywords
data recording
magnetic data
magnetic
recording
recording improvements
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
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.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine Co Ltd
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 British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Application granted granted Critical
Publication of FR1061907A publication Critical patent/FR1061907A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C21/00—Digital stores in which the information circulates continuously
    • G11C21/02—Digital stores in which the information circulates continuously using electromechanical delay lines, e.g. using a mercury tank
    • G11C21/026—Digital stores in which the information circulates continuously using electromechanical delay lines, e.g. using a mercury tank using magnetostriction transducers, e.g. nickel delay line
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C8/00—Arrangements for selecting an address in a digital store
    • G11C8/005—Arrangements for selecting an address in a digital store with travelling wave access

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
FR1061907D 1951-07-10 1952-05-05 Perfectionnements à l'enregistrement magnétique de données Expired FR1061907A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16319/51A GB698061A (en) 1951-07-10 1951-07-10 Improvements in or relating to data storage

Publications (1)

Publication Number Publication Date
FR1061907A true FR1061907A (fr) 1954-04-16

Family

ID=10075146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1061907D Expired FR1061907A (fr) 1951-07-10 1952-05-05 Perfectionnements à l'enregistrement magnétique de données

Country Status (4)

Country Link
US (1) US2736881A (fr)
DE (1) DE923396C (fr)
FR (1) FR1061907A (fr)
GB (1) GB698061A (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB780005A (en) * 1951-08-09 1957-07-31 Ronald Millership Improvements in systems for, and methods of, storing binary information
GB784127A (en) * 1952-10-24 1957-10-02 Elliott Brothers London Ltd Improvements in or relating to apparatus for generating coded patterns of electric pulses
US2888666A (en) * 1953-09-16 1959-05-26 Burroughs Corp Input buffering system
US2970766A (en) * 1954-05-14 1961-02-07 Burroughs Corp Binary multiplier employing a delay medium
US2931023A (en) * 1955-02-14 1960-03-29 Ibm Digital position indicator
US2943310A (en) * 1955-05-18 1960-06-28 Itt Pulse code translator
US2989732A (en) * 1955-05-24 1961-06-20 Ibm Time sequence addressing system
US2989734A (en) * 1955-10-19 1961-06-20 Burroughs Corp Binary comparer
GB862364A (en) * 1956-03-20 1961-03-08 Elliott Brothers London Ltd Improvements relating to information storage systems
DE1075149B (de) * 1956-06-25 1960-02-11 International Computers and Tabulators, Limited, London Vorrichtung zur Verzögerung und Speicherung elektrischer Signale
US2997703A (en) * 1956-08-03 1961-08-22 Clary Corp Keyboard controlled circuitry
US2971158A (en) * 1956-10-03 1961-02-07 Admiral Corp Delay line circuits
NL223451A (fr) * 1956-11-09
US2980899A (en) * 1957-04-05 1961-04-18 Bell Telephone Labor Inc Digital to analog converter
GB873367A (en) * 1957-05-31 1961-07-26 Int Computers & Tabulators Ltd Improvements in or relating to information storage devices
US3046502A (en) * 1958-10-13 1962-07-24 Sealectro Corp Magnetostrictive system
US3102258A (en) * 1959-10-12 1963-08-27 Gen Dynamics Corp Binary code to analog converter
US3151316A (en) * 1959-10-30 1964-09-29 Bell Telephone Labor Inc Magnetic data storage system
US3129395A (en) * 1959-11-13 1964-04-14 Bell Telephone Labor Inc Pulse group generator producing time spaced output pulses in dependence on spatial distribution of magnetic transducers along delay line
US3154767A (en) * 1960-02-08 1964-10-27 Gen Dynamics Corp Storage wire erase
NL262681A (fr) * 1960-03-23
US3102255A (en) * 1960-07-12 1963-08-27 Gen Dynamics Corp Inhibitor circuit
US3267264A (en) * 1962-02-20 1966-08-16 Phillips Petroleum Co Analysis apparatus using controlled logic circuitry
DE1237618B (de) * 1962-07-10 1967-03-30 Toko Radio Coil Kenkyusho Kk Magnetostriktive Ultraschallwellen-verzoegerungsleitung mit laengs derselben verteilten Koppelspulen
US4311991A (en) * 1980-02-13 1982-01-19 Scm Corporation Acoustic transmission member

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423339A (en) * 1944-07-29 1947-07-01 Rca Corp Reproducing head for magnetic telegraphones
US2466018A (en) * 1946-08-02 1949-04-05 Sperry Corp Vibratory strand reference apparatus with longitudinal component drive
US2587593A (en) * 1946-08-31 1952-03-04 Armour Res Found Apparatus for supplying mechanical recording bias to magnetic recorders
US2629827A (en) * 1947-10-31 1953-02-24 Eckert Mauchly Comp Corp Memory system
US2612603A (en) * 1951-12-15 1952-09-30 Sylvania Electric Prod Signal-to-noise ratio in pulse reception

Also Published As

Publication number Publication date
DE923396C (de) 1955-02-10
GB698061A (en) 1953-10-07
US2736881A (en) 1956-02-28

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