ATE179017T1 - Magnetooptischer wiedergabekopf und wiedergabegerät für die wiedergabe von magnetischen daten auf mehreren spuren - Google Patents
Magnetooptischer wiedergabekopf und wiedergabegerät für die wiedergabe von magnetischen daten auf mehreren spurenInfo
- Publication number
- ATE179017T1 ATE179017T1 AT94400266T AT94400266T ATE179017T1 AT E179017 T1 ATE179017 T1 AT E179017T1 AT 94400266 T AT94400266 T AT 94400266T AT 94400266 T AT94400266 T AT 94400266T AT E179017 T1 ATE179017 T1 AT E179017T1
- Authority
- AT
- Austria
- Prior art keywords
- playback
- head
- tape
- magnetic
- magnetoptical
- 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
- 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
- G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to 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
- G11B11/10532—Heads
- G11B11/10541—Heads for reproducing
- G11B11/10543—Heads for reproducing using optical beam of radiation
- G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
-
- 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
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4969—Details for track selection or addressing
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9301407A FR2701332B1 (fr) | 1993-02-09 | 1993-02-09 | Tête de lecture magnéto-optique et appareil de lecture d'enregistrements magnétiques multipistes. |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE179017T1 true ATE179017T1 (de) | 1999-04-15 |
Family
ID=9443869
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT94400266T ATE179017T1 (de) | 1993-02-09 | 1994-02-08 | Magnetooptischer wiedergabekopf und wiedergabegerät für die wiedergabe von magnetischen daten auf mehreren spuren |
AT97119267T ATE191291T1 (de) | 1993-02-09 | 1994-02-08 | Wiedergabegerät für die wiedergabe von magnetischen daten auf mehreren spuren |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT97119267T ATE191291T1 (de) | 1993-02-09 | 1994-02-08 | Wiedergabegerät für die wiedergabe von magnetischen daten auf mehreren spuren |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP0829870B1 (de) |
AT (2) | ATE179017T1 (de) |
DE (2) | DE69417787T2 (de) |
ES (1) | ES2146061T3 (de) |
FR (1) | FR2701332B1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW294810B (de) * | 1994-09-23 | 1997-01-01 | Philips Electronics Nv | |
FR2740278B1 (fr) * | 1995-10-20 | 1997-11-07 | Thomson Csf | Modulateur d'onde electromagnetique |
DE19747493A1 (de) * | 1997-10-28 | 1999-04-29 | Thomson Brandt Gmbh | Magnetbandgerät |
JP3648628B2 (ja) * | 1998-12-07 | 2005-05-18 | 富士通株式会社 | 情報再生素子、それを備える情報再生ヘッド及び情報再生装置並びに情報再生方法 |
FR2797514B3 (fr) * | 1999-08-10 | 2001-10-12 | Thomson Csf | Dispositif de lecture magneto-optique pour bandes magnetiques multipistes |
FR2797513B1 (fr) * | 1999-08-10 | 2001-10-26 | Thomson Csf | Dispositif de lecture magneto-optique pour bandes magnetiques multipistes |
FR2802696B1 (fr) * | 1999-12-17 | 2002-07-19 | Thomson Csf | Lecteur magneto optique optimise par le polariseur de lumiere incidente |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3769465A (en) * | 1969-08-18 | 1973-10-30 | Ibm | Electronic servo in magnetic recording readout |
BE831264A (fr) * | 1975-07-11 | 1975-11-03 | Systeme de lecture d'informations sur disque | |
US4283777A (en) * | 1979-05-14 | 1981-08-11 | Xerox Corporation | Optical memory having a parallel read out |
US4550249A (en) * | 1983-04-21 | 1985-10-29 | At&T Bell Laboratories | Optical disc read/write apparatus |
FR2656723B1 (fr) * | 1989-12-28 | 1995-07-21 | Thomson Consumer Electronics | Tete de lecture multipiste magneto-optique. |
FR2680268A1 (fr) * | 1991-08-09 | 1993-02-12 | Thomson Csf | Tete de lecture magneto-optique. |
-
1993
- 1993-02-09 FR FR9301407A patent/FR2701332B1/fr not_active Expired - Fee Related
-
1994
- 1994-02-08 DE DE69417787T patent/DE69417787T2/de not_active Expired - Fee Related
- 1994-02-08 DE DE69423792T patent/DE69423792T2/de not_active Expired - Fee Related
- 1994-02-08 ES ES97119267T patent/ES2146061T3/es not_active Expired - Lifetime
- 1994-02-08 EP EP97119267A patent/EP0829870B1/de not_active Expired - Lifetime
- 1994-02-08 EP EP94400266A patent/EP0611202B1/de not_active Expired - Lifetime
- 1994-02-08 AT AT94400266T patent/ATE179017T1/de not_active IP Right Cessation
- 1994-02-08 AT AT97119267T patent/ATE191291T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2701332B1 (fr) | 1995-03-10 |
DE69423792D1 (de) | 2000-05-04 |
FR2701332A1 (fr) | 1994-08-12 |
EP0611202B1 (de) | 1999-04-14 |
ATE191291T1 (de) | 2000-04-15 |
ES2146061T3 (es) | 2000-07-16 |
DE69423792T2 (de) | 2000-08-17 |
DE69417787D1 (de) | 1999-05-20 |
EP0611202A1 (de) | 1994-08-17 |
EP0829870B1 (de) | 2000-03-29 |
EP0829870A1 (de) | 1998-03-18 |
DE69417787T2 (de) | 1999-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |