JPS6448713U - - Google Patents
Info
- Publication number
- JPS6448713U JPS6448713U JP1987143063U JP14306387U JPS6448713U JP S6448713 U JPS6448713 U JP S6448713U JP 1987143063 U JP1987143063 U JP 1987143063U JP 14306387 U JP14306387 U JP 14306387U JP S6448713 U JPS6448713 U JP S6448713U
- Authority
- JP
- Japan
- Prior art keywords
- optical card
- playback device
- recording area
- card
- optically
- 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
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000011179 visual inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Credit Cards Or The Like (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987143063U JPS6448713U (es) | 1987-09-21 | 1987-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987143063U JPS6448713U (es) | 1987-09-21 | 1987-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6448713U true JPS6448713U (es) | 1989-03-27 |
Family
ID=31409549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987143063U Pending JPS6448713U (es) | 1987-09-21 | 1987-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6448713U (es) |
-
1987
- 1987-09-21 JP JP1987143063U patent/JPS6448713U/ja active Pending
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