JPS54103361A - Magnetic recording method - Google Patents
Magnetic recording methodInfo
- Publication number
- JPS54103361A JPS54103361A JP1026278A JP1026278A JPS54103361A JP S54103361 A JPS54103361 A JP S54103361A JP 1026278 A JP1026278 A JP 1026278A JP 1026278 A JP1026278 A JP 1026278A JP S54103361 A JPS54103361 A JP S54103361A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- conductors
- layer
- temperature
- materials
- 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.)
- Pending
Links
Landscapes
- Photoreceptors In Electrophotography (AREA)
Abstract
PURPOSE: To obtain magnetic latent images directly from light by specifying the temperature of ferromagnetic materials by the utilization of Joule heat in forming the magnetic latent images.
CONSTITUTION: The magnetic recording medium 8 which consists of a lower electrode plate 1, a ferromagnetic material layer 2 composed of high resistance soft ferromagnetic material, a photoconductive layer 3, a transparent upper electrode plate 4 is disposed with conductors 5 in net dot form in the layer 2 so as to connect the layer 3 and plate 1. The conductors 5 are partitioned by strip form partition plates 6 composed of non-magnetic material and further the magnetic materials 7 composed of high resistance rigid magnetic material are disposed, with the conductors 5 in-between. When a power source 9 is connected to the plates 4, 1 and light 10 is radiated to the plate 4, a loop of magnetic lines of force Mr is formed around the conductors 5 and when the flow of the currents in the conductors 5 ceases, magnetic latent images are formed in the magnetic materials 7. At this time, the temperature of the magnetic materials 7 is heated to the temperature within a magnetization freezing temperature range by Joule heat, thus the magnetic latent image having powerful magnetization are formed.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1026278A JPS54103361A (en) | 1978-01-31 | 1978-01-31 | Magnetic recording method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1026278A JPS54103361A (en) | 1978-01-31 | 1978-01-31 | Magnetic recording method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54103361A true JPS54103361A (en) | 1979-08-14 |
Family
ID=11745391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1026278A Pending JPS54103361A (en) | 1978-01-31 | 1978-01-31 | Magnetic recording method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54103361A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03203762A (en) * | 1989-12-29 | 1991-09-05 | Seikosha Co Ltd | Magnetic recording device |
-
1978
- 1978-01-31 JP JP1026278A patent/JPS54103361A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03203762A (en) * | 1989-12-29 | 1991-09-05 | Seikosha Co Ltd | Magnetic recording device |
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