JPS5712427A - Reading device of magnetic record signal - Google Patents
Reading device of magnetic record signalInfo
- Publication number
- JPS5712427A JPS5712427A JP8443080A JP8443080A JPS5712427A JP S5712427 A JPS5712427 A JP S5712427A JP 8443080 A JP8443080 A JP 8443080A JP 8443080 A JP8443080 A JP 8443080A JP S5712427 A JPS5712427 A JP S5712427A
- Authority
- JP
- Japan
- Prior art keywords
- film
- magnetic
- garnet
- speed limit
- response speed
- 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.)
- Granted
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
- G11B11/10532—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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8443080A JPS5712427A (en) | 1980-06-20 | 1980-06-20 | Reading device of magnetic record signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8443080A JPS5712427A (en) | 1980-06-20 | 1980-06-20 | Reading device of magnetic record signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5712427A true JPS5712427A (en) | 1982-01-22 |
JPH0140410B2 JPH0140410B2 (ja) | 1989-08-29 |
Family
ID=13830362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8443080A Granted JPS5712427A (en) | 1980-06-20 | 1980-06-20 | Reading device of magnetic record signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5712427A (ja) |
-
1980
- 1980-06-20 JP JP8443080A patent/JPS5712427A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0140410B2 (ja) | 1989-08-29 |
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