JPS6231424B2 - - Google Patents
Info
- Publication number
- JPS6231424B2 JPS6231424B2 JP52149695A JP14969577A JPS6231424B2 JP S6231424 B2 JPS6231424 B2 JP S6231424B2 JP 52149695 A JP52149695 A JP 52149695A JP 14969577 A JP14969577 A JP 14969577A JP S6231424 B2 JPS6231424 B2 JP S6231424B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic card
- data
- state
- recording
- level
- 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
Links
Landscapes
- Digital Magnetic Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14969577A JPS5481814A (en) | 1977-12-13 | 1977-12-13 | Check system of recording data in magnetic card reader/ writer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14969577A JPS5481814A (en) | 1977-12-13 | 1977-12-13 | Check system of recording data in magnetic card reader/ writer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5481814A JPS5481814A (en) | 1979-06-29 |
| JPS6231424B2 true JPS6231424B2 (en:Method) | 1987-07-08 |
Family
ID=15480785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14969577A Granted JPS5481814A (en) | 1977-12-13 | 1977-12-13 | Check system of recording data in magnetic card reader/ writer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5481814A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6246469A (ja) * | 1985-08-24 | 1987-02-28 | Tohoku Metal Ind Ltd | 磁気カ−ド及びその情報記録方式 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521654B2 (en:Method) * | 1973-01-31 | 1977-01-17 |
-
1977
- 1977-12-13 JP JP14969577A patent/JPS5481814A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5481814A (en) | 1979-06-29 |
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