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IT942818B - Procedimento e dispositivo per la memorizzazione magnetica dei dati - Google Patents

Procedimento e dispositivo per la memorizzazione magnetica dei dati

Info

Publication number
IT942818B
IT942818B IT70681/71A IT7068171A IT942818B IT 942818 B IT942818 B IT 942818B IT 70681/71 A IT70681/71 A IT 70681/71A IT 7068171 A IT7068171 A IT 7068171A IT 942818 B IT942818 B IT 942818B
Authority
IT
Italy
Prior art keywords
procedure
data
magnetic storage
magnetic
storage
Prior art date
Application number
IT70681/71A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT942818B publication Critical patent/IT942818B/it

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Hard Magnetic Materials (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Measuring Magnetic Variables (AREA)
IT70681/71A 1970-11-13 1971-11-10 Procedimento e dispositivo per la memorizzazione magnetica dei dati IT942818B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5413470A GB1386763A (en) 1970-11-13 1970-11-13 Data storage methods

Publications (1)

Publication Number Publication Date
IT942818B true IT942818B (it) 1973-04-02

Family

ID=10470034

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70681/71A IT942818B (it) 1970-11-13 1971-11-10 Procedimento e dispositivo per la memorizzazione magnetica dei dati

Country Status (8)

Country Link
US (1) US3739360A (it)
JP (1) JPS513618B1 (it)
CA (1) CA958804A (it)
DE (1) DE2154301B2 (it)
FR (1) FR2114526A5 (it)
GB (1) GB1386763A (it)
IT (1) IT942818B (it)
NL (1) NL7115317A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5419224U (it) * 1977-07-11 1979-02-07
NL7900921A (nl) * 1979-02-06 1980-08-08 Philips Nv Thermomagnetische informatiedrager en optische geheu- geninrichting voorzien van een dergelijke informatie- drager.
DE3483671D1 (de) * 1983-03-31 1991-01-10 Sony Corp Thermomagnetisches optisches aufzeichnungsverfahren.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3648260A (en) * 1969-11-17 1972-03-07 Bell Telephone Labor Inc Magnetic devices
US3638207A (en) * 1969-11-17 1972-01-25 Bell Telephone Labor Inc Magnetic devices

Also Published As

Publication number Publication date
DE2154301C3 (it) 1978-04-20
CA958804A (en) 1974-12-03
FR2114526A5 (it) 1972-06-30
NL7115317A (it) 1972-05-16
US3739360A (en) 1973-06-12
GB1386763A (en) 1975-03-12
JPS513618B1 (it) 1976-02-04
DE2154301A1 (de) 1972-05-18
DE2154301B2 (de) 1977-08-18

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