NL276507A - - Google Patents

Info

Publication number
NL276507A
NL276507A NL276507DA NL276507A NL 276507 A NL276507 A NL 276507A NL 276507D A NL276507D A NL 276507DA NL 276507 A NL276507 A NL 276507A
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 NL276507A publication Critical patent/NL276507A/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04Digital 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
    • G11C13/06Digital 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • G11B11/10Recording 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
    • G11B11/105Recording 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 using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532Heads
    • G11B11/10541Heads for reproducing
    • G11B11/10543Heads for reproducing using optical beam of radiation
    • G11B11/10547Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/86Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
    • G11B5/865Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers by contact "printing"
NL276507D 1961-04-03 NL276507A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US100079A US3229273A (en) 1961-04-03 1961-04-03 Magnetic reproduce system and method

Publications (1)

Publication Number Publication Date
NL276507A true NL276507A (xx)

Family

ID=22278004

Family Applications (1)

Application Number Title Priority Date Filing Date
NL276507D NL276507A (xx) 1961-04-03

Country Status (4)

Country Link
US (1) US3229273A (xx)
DE (1) DE1255720B (xx)
GB (1) GB926833A (xx)
NL (1) NL276507A (xx)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380334A (en) * 1963-10-29 1968-04-30 Control Data Corp Optical scanning system using specular reflections
US3422269A (en) * 1964-04-10 1969-01-14 Honeywell Inc Resonant kerr effect electromagnetic wave modulators
US3474428A (en) * 1965-01-29 1969-10-21 Magnavox Co Magneto-optical reproducer
US3451740A (en) * 1965-04-19 1969-06-24 Massachusetts Inst Technology Magneto-optical light switch enhanced by optical impedance matching dielectric overlayers
US3474431A (en) * 1966-02-17 1969-10-21 Magnavox Co Magneto-optical transducer
US3465322A (en) * 1966-06-20 1969-09-02 Ibm Transducer utilizing electro-optic effect
US3701133A (en) * 1967-05-05 1972-10-24 Philip Smaller Modulated magnetooptic readout system
US3592964A (en) * 1967-12-06 1971-07-13 Du Pont Converting images recorded on a moving magnetic medium to stationary images
US3545840A (en) * 1968-07-29 1970-12-08 Magnavox Co Enhanced transverse kerr magneto-optical transducer
US3571583A (en) * 1968-09-30 1971-03-23 Us Navy Multichannel
US3535688A (en) * 1969-05-09 1970-10-20 Du Pont Magnetic buffer storage
US3521262A (en) * 1969-05-28 1970-07-21 Sperry Rand Corp Magneto-optic readout of multi-state analog storage magnetic film elements
US3769465A (en) * 1969-08-18 1973-10-30 Ibm Electronic servo in magnetic recording readout
US3629517A (en) * 1969-09-29 1971-12-21 Ibm Method and apparatus for magneto-optical reading of superimposed magnetic recordings
US3668671A (en) * 1969-12-15 1972-06-06 Ibm Method and apparatus for reading superimposed magnetic recordings
US3626394A (en) * 1970-04-09 1971-12-07 Magnavox Co Magneto-optical system
US3696352A (en) * 1970-11-25 1972-10-03 Robatron Veb K Magneto-optical readout beam shifted as a function of information
US3739362A (en) * 1971-03-25 1973-06-12 Magnavox Co Magneto-optical signal processor
DE2148650A1 (de) * 1971-09-29 1973-04-05 Siemens Ag Verfahren zur phasenrichtigen integration von radar-pulsfolgen
US4425023A (en) * 1980-01-31 1984-01-10 Canon Kabushiki Kaisha Beam spot scanning device
JPS5769541A (en) * 1980-10-17 1982-04-28 Olympus Optical Co Ltd Recording medium and recording and reproducing system using sand medium
JPH0670858B2 (ja) * 1983-05-25 1994-09-07 ソニー株式会社 光磁気記録媒体とその製法
EP0147436B1 (en) * 1983-06-20 1989-08-23 Datatape Incorporated Apparatus for reading magnetically recorded information
US4594699A (en) * 1983-06-20 1986-06-10 Datatape Incorporated Faraday-effect magneto-optic transducer apparatus of a rotary form
CA1254385A (en) * 1985-07-26 1989-05-23 Noboru Sato Magneto-optical recording medium having amorphous artificially layered structure of rare earth element and transition metal element
FR2696037B1 (fr) * 1992-09-18 1994-11-04 Thomson Csf Dispositif de lecture magnétique.
CA2137062A1 (en) * 1993-12-08 1995-06-09 Takumi Shimamori Magneto-optical recording and reading-out method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE662417C (xx) *
DE1007091B (de) * 1943-07-12 1957-04-25 Dr Gerhard Dirks Verfahren zur Steuerung von Rechen-, Schreib-, Sortier-, Vergleichs- und sonstigen Geraeten
US2617705A (en) * 1948-03-25 1952-11-11 Engineering Res Associates Inc Data storage apparatus
US2890288A (en) * 1954-12-01 1959-06-09 Rca Corp Magnetic recording
NL224830A (xx) * 1957-06-12
NL233342A (xx) * 1957-11-18
US3174140A (en) * 1959-07-01 1965-03-16 Ibm Magneto-optical recording and readout device

Also Published As

Publication number Publication date
US3229273A (en) 1966-01-11
GB926833A (en) 1963-05-22
DE1255720B (de) 1967-12-07

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