ATE94303T1 - Verfahren zur informationsaufzeichnung auf einen thermomagnetischen traeger und vorrichtung zur durchfuehrung des verfahrens. - Google Patents
Verfahren zur informationsaufzeichnung auf einen thermomagnetischen traeger und vorrichtung zur durchfuehrung des verfahrens.Info
- Publication number
- ATE94303T1 ATE94303T1 AT88202811T AT88202811T ATE94303T1 AT E94303 T1 ATE94303 T1 AT E94303T1 AT 88202811 T AT88202811 T AT 88202811T AT 88202811 T AT88202811 T AT 88202811T AT E94303 T1 ATE94303 T1 AT E94303T1
- Authority
- AT
- Austria
- Prior art keywords
- record carrier
- magnetic field
- radiation pulses
- thermomagnetic
- carrier
- Prior art date
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
-
- 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
- G11B11/1053—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 to compensate for the magnetic domain drift or time shift
-
- 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
- G11B11/10504—Recording
- G11B11/1051—Recording by modulating both the magnetic field and the light beam at the transducers
- G11B11/10513—Recording by modulating both the magnetic field and the light beam at the transducers one of the light beam or the magnetic field being modulated by data and the other by a clock or frequency generator
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
- G11B13/045—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties combined recording by magnetic and optic means
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
- Electronic Switches (AREA)
- Traffic Control Systems (AREA)
- Photoreceptors In Electrophotography (AREA)
- Multi-Process Working Machines And Systems (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8703011A NL8703011A (nl) | 1987-12-14 | 1987-12-14 | Werkwijze voor het optekenen van informatie op een registratiedrager van het thermo-magnetische type, alsmede een inrichting voor het uitvoeren van de werkwijze. |
EP88202811A EP0321027B1 (de) | 1987-12-14 | 1988-12-08 | Verfahren zur Informationsaufzeichnung auf einen thermomagnetischen Träger und Vorrichtung zur Durchführung des Verfahrens |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE94303T1 true ATE94303T1 (de) | 1993-09-15 |
Family
ID=19851084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88202811T ATE94303T1 (de) | 1987-12-14 | 1988-12-08 | Verfahren zur informationsaufzeichnung auf einen thermomagnetischen traeger und vorrichtung zur durchfuehrung des verfahrens. |
Country Status (11)
Country | Link |
---|---|
US (1) | US5126985A (de) |
EP (1) | EP0321027B1 (de) |
JP (1) | JP2847117B2 (de) |
KR (1) | KR100210989B1 (de) |
CN (1) | CN1034820A (de) |
AT (1) | ATE94303T1 (de) |
BR (1) | BR8806542A (de) |
DE (1) | DE3883939T2 (de) |
ES (1) | ES2045093T3 (de) |
HK (1) | HK85396A (de) |
NL (1) | NL8703011A (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2669532B2 (ja) * | 1988-05-20 | 1997-10-29 | 株式会社日立製作所 | 光ディスク装置 |
NL8902293A (nl) * | 1989-09-14 | 1991-04-02 | Philips Nv | Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager. |
NL8902728A (nl) * | 1989-11-06 | 1991-06-03 | Philips Nv | Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager. |
JP3134290B2 (ja) * | 1989-11-21 | 2001-02-13 | ソニー株式会社 | 光磁気記録装置 |
JPH03214441A (ja) * | 1990-01-18 | 1991-09-19 | Canon Inc | 光磁気記録装置 |
JP2733127B2 (ja) * | 1990-08-07 | 1998-03-30 | シャープ株式会社 | 光磁気記録装置 |
US5329408A (en) * | 1991-07-10 | 1994-07-12 | Sharp Kabushiki Kaisha | Magnetic field modulation magnet-optical recording apparatus in which an FM modulator and a magnetic head driving circuit are used in common |
US5345435A (en) * | 1991-08-30 | 1994-09-06 | Sony Corporation | Optical disc and method for recording on optical disc |
US5636187A (en) * | 1992-12-11 | 1997-06-03 | Canon Kabushiki Kaisha | Magnetooptical recording apparatus and magnetooptical recording method for canceling leakage magnetic fields associated with a recording medium and devices ancillary to the recording medium |
JPH06208739A (ja) * | 1993-01-11 | 1994-07-26 | Canon Inc | 光磁気ディスク及び該ディスクの着磁方法 |
JPH06325369A (ja) * | 1993-03-08 | 1994-11-25 | Philips Electron Nv | 光学記録兼読取装置 |
US5494755A (en) * | 1994-06-08 | 1996-02-27 | Lockheed Missiles & Space Co., Inc. | Passive intermodulation products (PIM) free tape |
EP0740296A3 (de) * | 1995-04-26 | 1998-02-25 | Sanyo Electric Co. Ltd | Magnetooptische Aufzeichnungsmedium |
WO1997006530A1 (fr) * | 1995-08-09 | 1997-02-20 | Hitachi, Ltd. | Dispositif de disque optique |
JPH09293286A (ja) * | 1996-02-22 | 1997-11-11 | Sanyo Electric Co Ltd | 光磁気記録媒体及び情報記録再生装置 |
TW494403B (en) | 1998-12-24 | 2002-07-11 | Koninkl Philips Electronics Nv | Device having a first operational state for writing information onto a record carrier |
JP2000331394A (ja) | 1999-05-14 | 2000-11-30 | Sanyo Electric Co Ltd | 光磁気記録方法および光磁気記録装置 |
TW509902B (en) * | 1999-11-24 | 2002-11-11 | Koninkl Philips Electronics Nv | Device for writing information onto an information carrier |
CN115443173A (zh) * | 2020-04-24 | 2022-12-06 | 拉德射尔株式会社 | 磁场生成装置及磁场生成装置的控制方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5778653A (en) * | 1980-10-29 | 1982-05-17 | Fuji Photo Film Co Ltd | Laser recording method |
JPS58137105A (ja) * | 1982-02-08 | 1983-08-15 | Shiro Okamura | レ−ザ記録装置 |
JPS58146007A (ja) * | 1982-02-24 | 1983-08-31 | Shiro Okamura | 光磁気記録方式 |
JPS6032148A (ja) * | 1983-08-02 | 1985-02-19 | Ricoh Co Ltd | 光磁気記録装置 |
JPS60127548A (ja) * | 1983-12-14 | 1985-07-08 | Matsushita Electric Ind Co Ltd | 光記録再生装置 |
JPH0619863B2 (ja) * | 1984-06-13 | 1994-03-16 | 株式会社日立製作所 | 光磁気情報記憶方法及び装置 |
JPH0831221B2 (ja) * | 1985-01-30 | 1996-03-27 | 株式会社ニコン | 補正された情報記録方式 |
JPH0721892B2 (ja) * | 1985-02-14 | 1995-03-08 | 日本電気株式会社 | 光磁気記録方法 |
JPH0721894B2 (ja) * | 1985-02-19 | 1995-03-08 | 日本電気株式会社 | 光磁気記録方法 |
JPH0721897B2 (ja) * | 1986-04-24 | 1995-03-08 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 光磁気データ記録装置 |
JP2575120B2 (ja) * | 1986-07-31 | 1997-01-22 | ソニー株式会社 | 光磁気記録装置 |
-
1987
- 1987-12-14 NL NL8703011A patent/NL8703011A/nl not_active Application Discontinuation
-
1988
- 1988-12-08 ES ES88202811T patent/ES2045093T3/es not_active Expired - Lifetime
- 1988-12-08 EP EP88202811A patent/EP0321027B1/de not_active Expired - Lifetime
- 1988-12-08 AT AT88202811T patent/ATE94303T1/de not_active IP Right Cessation
- 1988-12-08 DE DE88202811T patent/DE3883939T2/de not_active Expired - Lifetime
- 1988-12-12 CN CN88109225A patent/CN1034820A/zh active Pending
- 1988-12-12 KR KR1019880016455A patent/KR100210989B1/ko not_active IP Right Cessation
- 1988-12-12 BR BR888806542A patent/BR8806542A/pt unknown
- 1988-12-13 JP JP63313067A patent/JP2847117B2/ja not_active Expired - Lifetime
-
1991
- 1991-05-14 US US07/702,150 patent/US5126985A/en not_active Expired - Lifetime
-
1996
- 1996-05-16 HK HK85396A patent/HK85396A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0321027A3 (en) | 1989-09-06 |
JPH01208751A (ja) | 1989-08-22 |
KR890010830A (ko) | 1989-08-11 |
CN1034820A (zh) | 1989-08-16 |
DE3883939T2 (de) | 1994-03-24 |
JP2847117B2 (ja) | 1999-01-13 |
HK85396A (en) | 1996-05-24 |
KR100210989B1 (ko) | 1999-07-15 |
US5126985A (en) | 1992-06-30 |
NL8703011A (nl) | 1989-07-03 |
ES2045093T3 (es) | 1994-01-16 |
EP0321027A2 (de) | 1989-06-21 |
DE3883939D1 (de) | 1993-10-14 |
EP0321027B1 (de) | 1993-09-08 |
BR8806542A (pt) | 1989-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
EELA | Cancelled due to lapse of time |