FR1064720A - Appareil pour l'enregistrement et l'accumulation magnétique de données - Google Patents

Appareil pour l'enregistrement et l'accumulation magnétique de données

Info

Publication number
FR1064720A
FR1064720A FR1064720DA FR1064720A FR 1064720 A FR1064720 A FR 1064720A FR 1064720D A FR1064720D A FR 1064720DA FR 1064720 A FR1064720 A FR 1064720A
Authority
FR
France
Prior art keywords
accumulation
data
magnetic recording
recording
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
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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
Priority claimed from US220473A external-priority patent/US2931571A/en
Application filed by NCR Corp, National Cash Register Co filed Critical NCR Corp
Application granted granted Critical
Publication of FR1064720A publication Critical patent/FR1064720A/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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • 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
    • G11B5/004—Recording on, or reproducing or erasing from, magnetic drums
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/76—Drum carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
FR1064720D 1951-04-11 1952-04-10 Appareil pour l'enregistrement et l'accumulation magnétique de données Expired FR1064720A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US220473A US2931571A (en) 1951-04-11 1951-04-11 Magnetic storage of multiple totals
US848307A US3138790A (en) 1951-04-11 1959-10-23 Magnetic storage devices

Publications (1)

Publication Number Publication Date
FR1064720A true FR1064720A (fr) 1954-05-17

Family

ID=26914912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1064720D Expired FR1064720A (fr) 1951-04-11 1952-04-10 Appareil pour l'enregistrement et l'accumulation magnétique de données

Country Status (5)

Country Link
US (1) US3138790A (fr)
DE (1) DE1181458B (fr)
FR (1) FR1064720A (fr)
GB (1) GB703593A (fr)
NL (1) NL92835C (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL181248B (nl) * 1952-09-19 Trioliet Mullos Cilindrische silo.
US2963223A (en) * 1953-11-17 1960-12-06 Cooke-Yarborough Edmund Harry Multiple input binary adder employing magnetic drum digital computing apparatus
US2917236A (en) * 1954-02-03 1959-12-15 Olivetti & Co Spa Cyclically operable digital accumulating apparatus
US2936118A (en) * 1954-09-27 1960-05-10 Marchant Res Inc Electronic digital computers
US3089124A (en) * 1955-01-03 1963-05-07 Alwac Internat Inc Computer system with high capacity random access memory
US3208055A (en) * 1960-10-21 1965-09-21 Itt Magnetic memory device and system
US3647223A (en) * 1969-05-26 1972-03-07 Gen Electric Selective audio playback apparatus

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2144844A (en) * 1936-08-06 1939-01-24 Bell Telephone Labor Inc Magnetic telegraphone
BE467059A (fr) * 1943-12-27
US2509012A (en) * 1945-10-18 1950-05-23 Morrison Montford Magnetic disk record
US2617705A (en) * 1948-03-25 1952-11-11 Engineering Res Associates Inc Data storage apparatus
US2652196A (en) * 1949-05-20 1953-09-15 Remington Rand Inc Wire recording storage mechanism for bookkeeping machines
US2614169A (en) * 1950-07-24 1952-10-14 Engineering Res Associates Inc Storage and relay system
NL93808C (fr) * 1951-12-31
US2886398A (en) * 1953-11-02 1959-05-12 Rockwell Henry Automatic signal locating for magnetic drum recorder
BE557315A (fr) * 1955-05-10 1900-01-01

Also Published As

Publication number Publication date
US3138790A (en) 1964-06-23
GB703593A (en) 1954-02-03
NL92835C (fr)
DE1181458B (de) 1964-11-12

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