JPS57164429A - Magnetic recording body - Google Patents
Magnetic recording bodyInfo
- Publication number
- JPS57164429A JPS57164429A JP56048962A JP4896281A JPS57164429A JP S57164429 A JPS57164429 A JP S57164429A JP 56048962 A JP56048962 A JP 56048962A JP 4896281 A JP4896281 A JP 4896281A JP S57164429 A JPS57164429 A JP S57164429A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- layer
- magnetic layer
- coercive force
- signal
- 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
- 239000010410 layer Substances 0.000 abstract 16
- 230000035699 permeability Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
- 239000011241 protective layer Substances 0.000 abstract 1
Classifications
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56048962A JPS57164429A (en) | 1981-04-01 | 1981-04-01 | Magnetic recording body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56048962A JPS57164429A (en) | 1981-04-01 | 1981-04-01 | Magnetic recording body |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57164429A true JPS57164429A (en) | 1982-10-09 |
JPH0250528B2 JPH0250528B2 (en]) | 1990-11-02 |
Family
ID=12817900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56048962A Granted JPS57164429A (en) | 1981-04-01 | 1981-04-01 | Magnetic recording body |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57164429A (en]) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61145727A (ja) * | 1984-12-19 | 1986-07-03 | Dainippon Printing Co Ltd | 磁気記録媒体をもつカ−ド類とその記録方法 |
JPS6233326A (ja) * | 1985-08-06 | 1987-02-13 | Tomoegawa Paper Co Ltd | 感熱磁気記録媒体 |
JPS6233325A (ja) * | 1985-08-06 | 1987-02-13 | Tomoegawa Paper Co Ltd | 感熱磁気記録媒体 |
JPS6334727A (ja) * | 1986-07-29 | 1988-02-15 | Tokyo Jiki Insatsu Kk | 磁気記録再生方法および装置 |
JPH0265211U (en]) * | 1988-11-05 | 1990-05-16 | ||
JPH03130920A (ja) * | 1988-12-21 | 1991-06-04 | Dainippon Printing Co Ltd | 磁気カード |
JPH05318974A (ja) * | 1992-05-26 | 1993-12-03 | Tomoegawa Paper Co Ltd | 磁気記録媒体およびその製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51145010U (en]) * | 1975-05-14 | 1976-11-22 | ||
JPS5485007A (en) * | 1977-12-19 | 1979-07-06 | Hitachi Maxell | Magnetic recording medium |
-
1981
- 1981-04-01 JP JP56048962A patent/JPS57164429A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51145010U (en]) * | 1975-05-14 | 1976-11-22 | ||
JPS5485007A (en) * | 1977-12-19 | 1979-07-06 | Hitachi Maxell | Magnetic recording medium |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61145727A (ja) * | 1984-12-19 | 1986-07-03 | Dainippon Printing Co Ltd | 磁気記録媒体をもつカ−ド類とその記録方法 |
JPS6233326A (ja) * | 1985-08-06 | 1987-02-13 | Tomoegawa Paper Co Ltd | 感熱磁気記録媒体 |
JPS6233325A (ja) * | 1985-08-06 | 1987-02-13 | Tomoegawa Paper Co Ltd | 感熱磁気記録媒体 |
JPS6334727A (ja) * | 1986-07-29 | 1988-02-15 | Tokyo Jiki Insatsu Kk | 磁気記録再生方法および装置 |
JPH0265211U (en]) * | 1988-11-05 | 1990-05-16 | ||
JPH03130920A (ja) * | 1988-12-21 | 1991-06-04 | Dainippon Printing Co Ltd | 磁気カード |
JPH05318974A (ja) * | 1992-05-26 | 1993-12-03 | Tomoegawa Paper Co Ltd | 磁気記録媒体およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0250528B2 (en]) | 1990-11-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5748881A (en) | Video format signal recording and playback system | |
GB1481939A (en) | Magnetic head assembly | |
GB1277177A (en) | Magnetically recording and reproducing information | |
MY123255A (en) | Master information magnetic recorder | |
JPS56165918A (en) | Vertical magnetic recorder and reproducer | |
JPS5424008A (en) | Magnetic recording and photo reproducing system | |
GB1525292A (en) | Identification of records | |
JPS57164429A (en) | Magnetic recording body | |
GB1529566A (en) | Magnetic recording | |
JPS5786120A (en) | Circuit device for reading data recorded on magnetic recording medium | |
JPS57109134A (en) | Magnetic transferring and recording method | |
FR1227533A (fr) | Perfectionnements apportés aux têtes transductrices électromagnétiques et aux systèmes pour l'enregistrement et la reproduction de signaux électriques enregistrés magnétiquement | |
JPS5593514A (en) | Magnetic card recording and reproducing device | |
JPS5354002A (en) | Magnetic recording medium | |
JPS5564622A (en) | Magnetic head | |
GB1440514A (en) | Method of copying recorded magnetic signals | |
JPS5317715A (en) | Magnetic recorder/reproducer | |
JPH0512838Y2 (en]) | ||
JPH0633534Y2 (ja) | 磁気カ−ド | |
JPS5374408A (en) | Tape recorder | |
JPS5634108A (en) | Magnetic recording and reproducing apparatus | |
CA918800A (en) | Apparatus for recording and for reproducing magnetic high-frequency recordings, in particular video signals, on or from a tape-shaped record carrier, and cassette for use with theapparatus | |
JPS57172523A (en) | Magnetic head device | |
JPS55146608A (en) | Magnetic recording and reproducing device | |
JPS6220894Y2 (en]) |