NL8303281A - Werkwijze voor het schrijven van informatie in een magneto-optische registratiedrager, inrichting voor het uitvoeren van de werkwijze en een magneto-optische registratiedrager te gebruiken in een inrichting voor het uitvoeren van de werkwijze. - Google Patents

Werkwijze voor het schrijven van informatie in een magneto-optische registratiedrager, inrichting voor het uitvoeren van de werkwijze en een magneto-optische registratiedrager te gebruiken in een inrichting voor het uitvoeren van de werkwijze. Download PDF

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Publication number
NL8303281A
NL8303281A NL8303281A NL8303281A NL8303281A NL 8303281 A NL8303281 A NL 8303281A NL 8303281 A NL8303281 A NL 8303281A NL 8303281 A NL8303281 A NL 8303281A NL 8303281 A NL8303281 A NL 8303281A
Authority
NL
Netherlands
Prior art keywords
record carrier
light beam
information
magnetic field
positions
Prior art date
Application number
NL8303281A
Other languages
English (en)
Dutch (nl)
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
Priority to NL8303281A priority Critical patent/NL8303281A/nl
Priority to US06/562,342 priority patent/US4630249A/en
Priority to DE19843433377 priority patent/DE3433377A1/de
Priority to FR848414277A priority patent/FR2552576B1/fr
Priority to CA000463693A priority patent/CA1224268A/en
Priority to ES536123A priority patent/ES536123A0/es
Priority to GB08423984A priority patent/GB2147136B/en
Priority to KR1019840005853A priority patent/KR850002536A/ko
Priority to BR8404777A priority patent/BR8404777A/pt
Priority to CH4573/84A priority patent/CH666362A5/de
Priority to AU33436/84A priority patent/AU568147B2/en
Priority to SE8404765A priority patent/SE8404765L/
Priority to BE0/213714A priority patent/BE900665A/fr
Priority to JP59198768A priority patent/JPS6093654A/ja
Priority to CS847256A priority patent/CS725684A2/cs
Publication of NL8303281A publication Critical patent/NL8303281A/nl

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B11/105—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 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
    • G11B11/10502—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 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 characterised by the transducing operation to be executed
    • G11B11/10517—Overwriting or erasing
    • 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
    • G11B11/105—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 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
    • 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
    • G11B11/105—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 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
    • G11B11/10595—Control of operating function
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
NL8303281A 1983-09-26 1983-09-26 Werkwijze voor het schrijven van informatie in een magneto-optische registratiedrager, inrichting voor het uitvoeren van de werkwijze en een magneto-optische registratiedrager te gebruiken in een inrichting voor het uitvoeren van de werkwijze. NL8303281A (nl)

Priority Applications (15)

Application Number Priority Date Filing Date Title
NL8303281A NL8303281A (nl) 1983-09-26 1983-09-26 Werkwijze voor het schrijven van informatie in een magneto-optische registratiedrager, inrichting voor het uitvoeren van de werkwijze en een magneto-optische registratiedrager te gebruiken in een inrichting voor het uitvoeren van de werkwijze.
US06/562,342 US4630249A (en) 1983-09-26 1983-12-16 Method of recording information in a magneto-optical record carrier, apparatus for carrying out the method, and magneto-optical record carrier for use in an apparatus for carrying out the method
DE19843433377 DE3433377A1 (de) 1983-09-26 1984-09-12 Verfahren zum schreiben von informationen in einem magnetooptischen aufzeichnungstraeger, anordnung zum durchfuehren des verfahrens und magnetooptischer aufzeichnungstraeger zur verwendung in einer anordnung zum durchfuehren des verfahrens
FR848414277A FR2552576B1 (fr) 1983-09-26 1984-09-18 Procede d'enregistrement d'information dans un support d'information magneto-optique, dispositif de mise en oeuvre du procede et support d'information magneto-optique a utiliser dans un dispositif de mise en oeuvre du procede
CA000463693A CA1224268A (en) 1983-09-26 1984-09-20 Method of recording information in a magneto-optical record carrier, apparatus for carrying out the method, and magneto-optical record carrier for use in an apparatus for carrying out the method
ES536123A ES536123A0 (es) 1983-09-26 1984-09-21 Un metodo de registrar informacion en forma de una pista de areas magnetizadas, en un soporte de registro magnetico-optico
GB08423984A GB2147136B (en) 1983-09-26 1984-09-21 Magneto-optical recording
KR1019840005853A KR850002536A (ko) 1983-09-26 1984-09-24 정보기록 방법 및 장치와 자기광 기록캐리어
BR8404777A BR8404777A (pt) 1983-09-26 1984-09-24 Processo de registrar informacoes em um suporte de registro magneto-optico,aparelho para realizacao do processo,e suporte de registro magneto-optico para emprego em um aparelho para a realizacao do processo
CH4573/84A CH666362A5 (de) 1983-09-26 1984-09-24 Verfahren zum schreiben von informationen in einem magnetooptischen aufzeichnungstraeger sowie anordnung und magnetooptischer aufzeichnungstraeger zum durchfuehren des verfahrens.
AU33436/84A AU568147B2 (en) 1983-09-26 1984-09-24 Magneto-optical recording
SE8404765A SE8404765L (sv) 1983-09-26 1984-09-24 Forfarande for uppteckning av information i en magnetooptisk uppteckningsberare, apparat for genomforande av forafarandet, och magneto-optisk uppteckningsberare for anvendning i en apparat for genomforande av forfarande
BE0/213714A BE900665A (fr) 1983-09-26 1984-09-24 Procede d'enregistrement d'information, dispositif de mise en oeuvre du procede et support d'information magneto-optique a utiliser.
JP59198768A JPS6093654A (ja) 1983-09-26 1984-09-25 光磁気記録方法および装置並びに光磁気記録キヤリヤ
CS847256A CS725684A2 (en) 1983-09-26 1984-09-26 Zpusob zaznamenavani informace v magnetooptickem nosici zaznamu, pristroj a magnetoopticky nosic zaznamu k provadeni tohoto zpusobu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8303281A NL8303281A (nl) 1983-09-26 1983-09-26 Werkwijze voor het schrijven van informatie in een magneto-optische registratiedrager, inrichting voor het uitvoeren van de werkwijze en een magneto-optische registratiedrager te gebruiken in een inrichting voor het uitvoeren van de werkwijze.
NL8303281 1983-09-26

Publications (1)

Publication Number Publication Date
NL8303281A true NL8303281A (nl) 1985-04-16

Family

ID=19842447

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8303281A NL8303281A (nl) 1983-09-26 1983-09-26 Werkwijze voor het schrijven van informatie in een magneto-optische registratiedrager, inrichting voor het uitvoeren van de werkwijze en een magneto-optische registratiedrager te gebruiken in een inrichting voor het uitvoeren van de werkwijze.

Country Status (15)

Country Link
US (1) US4630249A (ko)
JP (1) JPS6093654A (ko)
KR (1) KR850002536A (ko)
AU (1) AU568147B2 (ko)
BE (1) BE900665A (ko)
BR (1) BR8404777A (ko)
CA (1) CA1224268A (ko)
CH (1) CH666362A5 (ko)
CS (1) CS725684A2 (ko)
DE (1) DE3433377A1 (ko)
ES (1) ES536123A0 (ko)
FR (1) FR2552576B1 (ko)
GB (1) GB2147136B (ko)
NL (1) NL8303281A (ko)
SE (1) SE8404765L (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61276103A (ja) * 1985-05-31 1986-12-06 Canon Inc 光磁気メモリ記録方法
KR900008378B1 (ko) * 1986-03-19 1990-11-17 상요 덴기 가부시기가이샤 광학식 기록장치
JPS6337839A (ja) * 1986-07-31 1988-02-18 Brother Ind Ltd 光デイスク
US4965780A (en) * 1987-08-12 1990-10-23 Digital Equipment Corporation Magneto-optical data recording device using a wavelength and polarization-sensitive splitter
US4970711A (en) * 1988-02-05 1990-11-13 Tandy Corporation Bulk eraser for optical memory media
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
US7835232B2 (en) * 2006-06-27 2010-11-16 International Business Machines Corporation Method to erase data stored on blu-ray disc

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54146613A (en) * 1978-05-10 1979-11-16 Hitachi Ltd Optical head
JPS6049977B2 (ja) * 1980-04-23 1985-11-06 松下電器産業株式会社 光デイスク装置
JPS57117106A (en) * 1981-01-09 1982-07-21 Olympus Optical Co Ltd Optical magnetic recording and reproducing method
JPS57133503A (en) * 1981-02-10 1982-08-18 Sharp Corp Optical and magnetic recorder and reproducer
JPS57162137A (en) * 1981-03-28 1982-10-05 Kokusai Denshin Denwa Co Ltd <Kdd> Photomagnetic recording and reproducing system
JPS57172536A (en) * 1981-04-15 1982-10-23 Fujitsu Ltd Information recording and reproducing device
JPS57200960A (en) * 1981-06-04 1982-12-09 Pioneer Electronic Corp Recording and reproducing method and its device
NL8203725A (nl) * 1982-09-27 1984-04-16 Philips Nv Thermo-magneto-optische geheugeninrichting en registratiemedium daarvoor.

Also Published As

Publication number Publication date
KR850002536A (ko) 1985-05-13
AU568147B2 (en) 1987-12-17
ES8505487A1 (es) 1985-05-16
GB8423984D0 (en) 1984-10-31
FR2552576B1 (fr) 1990-10-05
AU3343684A (en) 1985-04-04
CH666362A5 (de) 1988-07-15
BR8404777A (pt) 1985-08-13
CS725684A2 (en) 1985-08-15
DE3433377A1 (de) 1985-04-11
GB2147136B (en) 1987-05-28
FR2552576A1 (fr) 1985-03-29
CA1224268A (en) 1987-07-14
BE900665A (fr) 1985-03-25
GB2147136A (en) 1985-05-01
SE8404765D0 (sv) 1984-09-24
SE8404765L (sv) 1985-03-27
US4630249A (en) 1986-12-16
JPS6093654A (ja) 1985-05-25
ES536123A0 (es) 1985-05-16

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