GB1304473A - - Google Patents

Info

Publication number
GB1304473A
GB1304473A GB1972471*[A GB1972471A GB1304473A GB 1304473 A GB1304473 A GB 1304473A GB 1972471 A GB1972471 A GB 1972471A GB 1304473 A GB1304473 A GB 1304473A
Authority
GB
United Kingdom
Prior art keywords
storage device
reflector
read
rays
phase detector
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
GB1972471*[A
Other languages
English (en)
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 filed Critical
Publication of GB1304473A publication Critical patent/GB1304473A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
GB1972471*[A 1970-06-10 1971-06-09 Expired GB1304473A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7021267A FR2098502A5 (enExample) 1970-06-10 1970-06-10

Publications (1)

Publication Number Publication Date
GB1304473A true GB1304473A (enExample) 1973-01-24

Family

ID=9056952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1972471*[A Expired GB1304473A (enExample) 1970-06-10 1971-06-09

Country Status (4)

Country Link
US (1) US3716847A (enExample)
FR (1) FR2098502A5 (enExample)
GB (1) GB1304473A (enExample)
NL (1) NL7105631A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361078A (en) * 1990-02-16 1994-11-01 Nadimelia Limited Multiple screen graphics display

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514913B1 (fr) * 1981-10-16 1986-07-04 Bull Sa Dispositif opto-electronique de lecture d'informations contenues sur un support magnetique

Family Cites Families (2)

* 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
US3445833A (en) * 1965-11-01 1969-05-20 Sperry Rand Corp Signal responsive apparatus with a polar azimuth vibrator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361078A (en) * 1990-02-16 1994-11-01 Nadimelia Limited Multiple screen graphics display

Also Published As

Publication number Publication date
US3716847A (en) 1973-02-13
DE2121510A1 (de) 1971-12-16
NL7105631A (enExample) 1971-12-14
DE2121510B2 (de) 1975-06-19
FR2098502A5 (enExample) 1972-03-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee