DE69421846T2 - Magneto-optisches Aufzeichnungs-/Wiedergabegerät mit Magnetfeldpolarisationserzeugungsvorrichtungen zur Aufzeichnung mit magnetischer und optischer Modulation - Google Patents
Magneto-optisches Aufzeichnungs-/Wiedergabegerät mit Magnetfeldpolarisationserzeugungsvorrichtungen zur Aufzeichnung mit magnetischer und optischer ModulationInfo
- Publication number
- DE69421846T2 DE69421846T2 DE69421846T DE69421846T DE69421846T2 DE 69421846 T2 DE69421846 T2 DE 69421846T2 DE 69421846 T DE69421846 T DE 69421846T DE 69421846 T DE69421846 T DE 69421846T DE 69421846 T2 DE69421846 T2 DE 69421846T2
- Authority
- DE
- Germany
- Prior art keywords
- recording
- magnetic
- optical
- magneto
- reproducing apparatus
- 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 - Fee Related
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
- 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
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10552—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base
- G11B11/10554—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base the transducers being disposed on the same side of the carrier
-
- 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
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
- G11B11/10558—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position in view of the loading or unloading of the carrier
-
- 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
- G11B11/10597—Adaptations for transducing various formats on the same or different carriers
-
- 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
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/1058—Flying heads
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15640693A JPH06349002A (ja) | 1993-06-03 | 1993-06-03 | 光磁気記録再生装置 |
JP15640793A JPH06349003A (ja) | 1993-06-03 | 1993-06-03 | 光磁気記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69421846D1 DE69421846D1 (de) | 2000-01-05 |
DE69421846T2 true DE69421846T2 (de) | 2000-05-04 |
Family
ID=26484174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69421846T Expired - Fee Related DE69421846T2 (de) | 1993-06-03 | 1994-05-31 | Magneto-optisches Aufzeichnungs-/Wiedergabegerät mit Magnetfeldpolarisationserzeugungsvorrichtungen zur Aufzeichnung mit magnetischer und optischer Modulation |
Country Status (3)
Country | Link |
---|---|
US (1) | US5557588A (de) |
EP (1) | EP0627736B1 (de) |
DE (1) | DE69421846T2 (de) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2566924B2 (ja) * | 1986-07-14 | 1996-12-25 | キヤノン株式会社 | 光磁気記録装置 |
US5253232A (en) * | 1988-02-08 | 1993-10-12 | Hitachi, Ltd. | Magneto-optical recording apparatus having a magnetic slider with increased rail width |
DE69118722T2 (de) * | 1990-01-23 | 1996-09-19 | Canon Kk | Magnetooptisches Aufzeichnungsgerät |
JP2849160B2 (ja) * | 1990-05-15 | 1999-01-20 | シャープ株式会社 | 光磁気記録再生装置 |
US5202863A (en) * | 1990-09-11 | 1993-04-13 | Matsushita Electric Industrial Co., Ltd. | Magneto-optical disk unit compatible with different two types of magneto-optical disks and a magnetic-field generator suitable thereof |
DE69228576T2 (de) * | 1991-07-25 | 1999-08-26 | Canon Kk | Methode zur magnetooptischen Datenaufzeichnung bzw. -wiedergabe mit einem schwebenden Schlotten zum Tragen eines Magnetkopfes sowie Vorrichtung dazu |
JPH05225642A (ja) * | 1992-02-10 | 1993-09-03 | Canon Inc | 光磁気ディスク装置 |
JPH0676408A (ja) * | 1992-08-25 | 1994-03-18 | Canon Inc | 光磁気ディスク装置 |
-
1994
- 1994-05-31 DE DE69421846T patent/DE69421846T2/de not_active Expired - Fee Related
- 1994-05-31 EP EP94303914A patent/EP0627736B1/de not_active Expired - Lifetime
- 1994-06-01 US US08/251,959 patent/US5557588A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5557588A (en) | 1996-09-17 |
EP0627736A2 (de) | 1994-12-07 |
EP0627736B1 (de) | 1999-12-01 |
EP0627736A3 (de) | 1995-02-15 |
DE69421846D1 (de) | 2000-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69423793T2 (de) | Vorrichtung zur magnetooptischen Aufzeichnung und Wiedergabe | |
DE69326525D1 (de) | Magnetooptischer Aufzeichnungträger und Verfahren zur Aufzeichnung und Wiedergabe von optischer Information | |
DE69322601D1 (de) | Gerät zur optischen Aufzeichnung und Wiedergabe von Informationen | |
DE69317719D1 (de) | Magnetooptische Speichervorrichtung und Verfahren zur Informationsaufnahme und -wiedergabe | |
DE69320841D1 (de) | Gerät zur Aufzeichnung und Wiedergabe von optischen Informationen | |
DE69218346D1 (de) | Gerät zur Erzeugung eines Aussenmagnetfeldes und magneto-optisches Aufzeichnungsgerät | |
DE69420484D1 (de) | Gerät zur magnetischen Aufzeichnung und Wiedergabe mit Aufzeichnung und Wiedergabe von übertragenen Charaktersignalen | |
DE69524897D1 (de) | Magnetaufzeichnungs- und -wiedergabegerät | |
DE69222367T2 (de) | Magnetooptisches Aufzeichnungsgerät mit magnetischer Feldmodulation und FM-Modulator | |
DE69319773D1 (de) | Magnetkopfverwendende magneto-optische Informationsaufnahme und -wiedergabegerät und -verfahren | |
DE69324515T2 (de) | Magnetkopfvorrichtung und magnetooptisches Aufzeichnungs- und Wiedergabegerät | |
DE69425351T2 (de) | Magnetische Aufzeichnungs-/Wiedergabevorrichtung mit Langspielbetrieb | |
DE69233244D1 (de) | Magneto-optisches Aufzeichnungsgerät mit Gebrauch vom Magnetfeldmodulationsverfahren | |
DE69219376D1 (de) | Magnetaufzeichnungs- und Wiedergabemethode und Gerät | |
DE69422741T2 (de) | Kassette mit Aufzeichnungsmedium und Aufzeichnungs-/Wiedergabegerät zur Verwendung damit | |
DE69325429D1 (de) | Gerät zur magnetooptischen Aufzeichnung und Wiedergabe von Information | |
DE69421846T2 (de) | Magneto-optisches Aufzeichnungs-/Wiedergabegerät mit Magnetfeldpolarisationserzeugungsvorrichtungen zur Aufzeichnung mit magnetischer und optischer Modulation | |
DE69317584T2 (de) | Aufzeichnungsmedium und Gerät zur Aufzeichnung und Wiedergabe von Informationen dafür | |
DE69313160D1 (de) | Vorrichtung zur magnetischen Aufzeichnung und Wiedergabe | |
BR9304383A (pt) | Aparelho de gravaçao e aparelho de reproduçao magnéticas | |
ATE214530T1 (de) | Magnetbandaufzeichnungs- und/oder - wiedergabevorrichtung mit kodierungseinrichtung | |
DE69421483D1 (de) | Gerät zur magnetischen Aufzeichnung und Wiedergabe mit Zeitlupenwiedergabe | |
DE69229304D1 (de) | Gerät zur Aufzeichnung/Wiedergabe von optischem Information- und Aufzeichnungsmedium | |
DE69221596D1 (de) | Magnetisches Aufzeichnungs-/Wiedergabegerät und magnetisches Aufzeichnungsmedium | |
KR950701114A (ko) | 자기 기록 재생 장치(Magnetic recording and/or reproducing apparatus) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |