JPS6213161Y2 - - Google Patents
Info
- Publication number
- JPS6213161Y2 JPS6213161Y2 JP1981014315U JP1431581U JPS6213161Y2 JP S6213161 Y2 JPS6213161 Y2 JP S6213161Y2 JP 1981014315 U JP1981014315 U JP 1981014315U JP 1431581 U JP1431581 U JP 1431581U JP S6213161 Y2 JPS6213161 Y2 JP S6213161Y2
- Authority
- JP
- Japan
- Prior art keywords
- bits
- card
- fraud prevention
- data bits
- data
- 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
- 230000002265 prevention Effects 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981014315U JPS6213161Y2 (de) | 1981-02-05 | 1981-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981014315U JPS6213161Y2 (de) | 1981-02-05 | 1981-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57131758U JPS57131758U (de) | 1982-08-17 |
| JPS6213161Y2 true JPS6213161Y2 (de) | 1987-04-04 |
Family
ID=29812369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981014315U Expired JPS6213161Y2 (de) | 1981-02-05 | 1981-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6213161Y2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60124791A (ja) * | 1983-12-10 | 1985-07-03 | Toyota Motor Corp | 生産指示用カ−ド |
| JPS6188383A (ja) * | 1984-10-06 | 1986-05-06 | Fuji Electric Co Ltd | 情報記録媒体 |
-
1981
- 1981-02-05 JP JP1981014315U patent/JPS6213161Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57131758U (de) | 1982-08-17 |
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