FR1405236A - Perfectionnements apportés aux dispositifs de mémoire magnétique pour données numériques - Google Patents

Perfectionnements apportés aux dispositifs de mémoire magnétique pour données numériques

Info

Publication number
FR1405236A
FR1405236A FR968574A FR968574A FR1405236A FR 1405236 A FR1405236 A FR 1405236A FR 968574 A FR968574 A FR 968574A FR 968574 A FR968574 A FR 968574A FR 1405236 A FR1405236 A FR 1405236A
Authority
FR
France
Prior art keywords
digital data
memory devices
magnetic memory
magnetic
digital
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
FR968574A
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 US268145A external-priority patent/US3341829A/en
Application filed by NCR Corp, National Cash Register Co filed Critical NCR Corp
Priority to FR968574A priority Critical patent/FR1405236A/fr
Application granted granted Critical
Publication of FR1405236A publication Critical patent/FR1405236A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/04—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using storage elements having cylindrical form, e.g. rod, wire
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/06—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
    • G11C11/06007—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/06—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
    • G11C11/06007—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit
    • G11C11/06014—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit using one such element per bit
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/02—Arrangements for writing information into, or reading information out from, a digital store with means for avoiding parasitic signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/313—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with two electrodes, one or two potential barriers, and exhibiting a negative resistance characteristic
    • H03K3/315—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with two electrodes, one or two potential barriers, and exhibiting a negative resistance characteristic the devices being tunnel diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
FR968574A 1963-03-26 1964-03-25 Perfectionnements apportés aux dispositifs de mémoire magnétique pour données numériques Expired FR1405236A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR968574A FR1405236A (fr) 1963-03-26 1964-03-25 Perfectionnements apportés aux dispositifs de mémoire magnétique pour données numériques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US268145A US3341829A (en) 1963-03-26 1963-03-26 Computer memory system
FR968574A FR1405236A (fr) 1963-03-26 1964-03-25 Perfectionnements apportés aux dispositifs de mémoire magnétique pour données numériques

Publications (1)

Publication Number Publication Date
FR1405236A true FR1405236A (fr) 1965-07-09

Family

ID=26206637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR968574A Expired FR1405236A (fr) 1963-03-26 1964-03-25 Perfectionnements apportés aux dispositifs de mémoire magnétique pour données numériques

Country Status (1)

Country Link
FR (1) FR1405236A (fr)

Similar Documents

Publication Publication Date Title
FR1398665A (fr) Mémoire magnétique
CH412000A (fr) Appareil pour la mise en mémoire magnétique de données
FR1409519A (fr) Perfectionnements apportés aux dispositifs pour le traitement de données
CH416744A (de) Magnetische Speichereinrichtung für Binärwerte
CH409016A (fr) Mémoire magnétique pour données numériques
FR1382986A (fr) Système de mémoire permanente pour données codifiées
FR1405236A (fr) Perfectionnements apportés aux dispositifs de mémoire magnétique pour données numériques
CH410064A (fr) Dispositif de mémoire de données
CH427907A (de) Magnetische Speichereinrichtung
FR1433294A (fr) Dispositif de lecture pour mémoire magnétique
FR1414958A (fr) Perfectionnements aux dispositifs pour enregistrer des données numériques sur bandes magnétiques
CH402942A (fr) Circuit de lecture pour mémoire magnétique
AT247638B (de) Einrichtung zur magnetischen Tonaufzeichnung
FR1380342A (fr) Perfectionnements aux mémoires pour données numériques
FR1432829A (fr) Dispositif de mémoire de données numériques
FR1392498A (fr) Perfectionnements aux machines perforatrices et reproductrices pour cartes enregistreuses
FR1354338A (fr) Circuit de lecture pour mémoire magnétique
FR1361564A (fr) Mémoire magnétique pour une calculatrice numérique
FR1511168A (fr) Mémoire pour informations binaires
FR1354418A (fr) Perfectionnements aux appareils pour la mise en mémoire de données
FR1518058A (fr) Perfectionnements apportés aux dispositifs de mémoire de données
FR1418593A (fr) Dispositif de mémoire magnétique
FR1415986A (fr) Dispositif de mémoire magnétique
FR1416117A (fr) Dispositif de mémoire magnétique
FR1411908A (fr) Mémoire magnétique