JP2532318Y2 - フォトクロミックカード - Google Patents
フォトクロミックカードInfo
- Publication number
- JP2532318Y2 JP2532318Y2 JP1990036006U JP3600690U JP2532318Y2 JP 2532318 Y2 JP2532318 Y2 JP 2532318Y2 JP 1990036006 U JP1990036006 U JP 1990036006U JP 3600690 U JP3600690 U JP 3600690U JP 2532318 Y2 JP2532318 Y2 JP 2532318Y2
- Authority
- JP
- Japan
- Prior art keywords
- photochromic
- card
- polymer gel
- photochromic material
- information
- 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 - Lifetime
Links
Landscapes
- Credit Cards Or The Like (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990036006U JP2532318Y2 (ja) | 1990-04-03 | 1990-04-03 | フォトクロミックカード |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990036006U JP2532318Y2 (ja) | 1990-04-03 | 1990-04-03 | フォトクロミックカード |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03126673U JPH03126673U (2) | 1991-12-20 |
| JP2532318Y2 true JP2532318Y2 (ja) | 1997-04-16 |
Family
ID=31541859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990036006U Expired - Lifetime JP2532318Y2 (ja) | 1990-04-03 | 1990-04-03 | フォトクロミックカード |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2532318Y2 (2) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62227794A (ja) * | 1986-03-31 | 1987-10-06 | 東洋インキ製造株式会社 | 改さん防止物 |
| JPS6313021A (ja) * | 1986-07-04 | 1988-01-20 | Ricoh Co Ltd | 表示方法 |
| JPS6438743A (en) * | 1987-08-04 | 1989-02-09 | Seiko Epson Corp | Photochromic paper |
-
1990
- 1990-04-03 JP JP1990036006U patent/JP2532318Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03126673U (2) | 1991-12-20 |
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