NL278624A - - Google Patents

Info

Publication number
NL278624A
NL278624A NL278624DA NL278624A NL 278624 A NL278624 A NL 278624A NL 278624D A NL278624D A NL 278624DA NL 278624 A NL278624 A NL 278624A
Authority
NL
Netherlands
Application number
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.)
Publication of NL278624A publication Critical patent/NL278624A/xx

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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • 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
NL278624D 1961-05-19 NL278624A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US111267A US3228015A (en) 1961-05-19 1961-05-19 Magneto-optic recording system

Publications (1)

Publication Number Publication Date
NL278624A true NL278624A (ko)

Family

ID=22337496

Family Applications (1)

Application Number Title Priority Date Filing Date
NL278624D NL278624A (ko) 1961-05-19

Country Status (6)

Country Link
US (1) US3228015A (ko)
CH (1) CH392618A (ko)
DE (1) DE1292191B (ko)
GB (1) GB939504A (ko)
NL (1) NL278624A (ko)
SE (1) SE317713B (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284785A (en) * 1963-07-16 1966-11-08 Ibm Magneto-optic readout detector
US3421154A (en) * 1965-08-09 1969-01-07 Bell Telephone Labor Inc Optical memory system
US3465322A (en) * 1966-06-20 1969-09-02 Ibm Transducer utilizing electro-optic effect
US3508226A (en) * 1967-11-29 1970-04-21 Sperry Rand Corp Controlled magnetic easy axis dispersion in magnetizable elements
US3590249A (en) * 1968-10-02 1971-06-29 Ibm Optical read system
US3573767A (en) * 1968-11-27 1971-04-06 Gen Electric Electron beam readout of magnetic storage disc
FR2197495A5 (ko) * 1972-08-25 1974-03-22 Thomson Csf
US5182743A (en) * 1972-08-25 1993-01-26 Thomson-Csf Optical disk arrangement with diffractive tracks allowing positional control
US5175725A (en) * 1972-08-25 1992-12-29 Thomson-Csf Optical disk arrangement with closed contours whose entire extent represents information
US4424580A (en) * 1981-05-06 1984-01-03 Precision Echo Method and apparatus for generating electron spin reversal in ferrimagnetic material
US4569881A (en) * 1983-05-17 1986-02-11 Minnesota Mining And Manufacturing Company Multi-layer amorphous magneto optical recording medium
DE3665372D1 (en) * 1985-05-31 1989-10-05 Siemens Ag Optical system for guiding the read-out beam in a magneto-optical memory
EP0330507A3 (en) * 1988-02-26 1990-07-04 Sumitomo Metal Industries, Ltd. Magneto-optic recording and regenerating process, device using same and magneto-optic disk
US4962492A (en) * 1988-04-29 1990-10-09 Laser Magnetic Storage International Company Magneto-optic data recording system, actuating device therefor and method of providing same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3030612A (en) * 1956-12-07 1962-04-17 Sperry Rand Corp Magnetic apparatus and methods
BE564644A (ko) * 1957-06-12
NL233342A (ko) * 1957-11-18
US2998746A (en) * 1959-10-13 1961-09-05 Gievers John George Angular measurement system

Also Published As

Publication number Publication date
SE317713B (ko) 1969-11-24
US3228015A (en) 1966-01-04
CH392618A (fr) 1965-05-31
DE1292191B (de) 1969-04-10
GB939504A (en) 1963-10-16

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