JPH0415569U - - Google Patents
Info
- Publication number
- JPH0415569U JPH0415569U JP1990056743U JP5674390U JPH0415569U JP H0415569 U JPH0415569 U JP H0415569U JP 1990056743 U JP1990056743 U JP 1990056743U JP 5674390 U JP5674390 U JP 5674390U JP H0415569 U JPH0415569 U JP H0415569U
- Authority
- JP
- Japan
- Prior art keywords
- optical card
- data section
- transmits
- front surface
- utility
- 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 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Credit Cards Or The Like (AREA)
Description
第１図、第３図は本考案の実施例の縦断面図、
第２図はフイルタ特性を示す図である。
１，１′……（波長選択性）フイルタ、２……
表面保護材、３……光カード、４……データ部。
FIGS. 1 and 3 are longitudinal cross-sectional views of embodiments of the present invention;
FIG. 2 is a diagram showing filter characteristics. 1, 1'... (wavelength selective) filter, 2...
Surface protection material, 3...optical card, 4...data section.
Claims (1)
面に特定の波長のみ透過する波長選択性フイルタ
を備えたことを特徴とする光カード。 An optical card comprising a wavelength selective filter that transmits only a specific wavelength on the front surface of a part or all of a data section of the optical card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990056743U JPH0415569U (en) | 1990-05-30 | 1990-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990056743U JPH0415569U (en) | 1990-05-30 | 1990-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0415569U true JPH0415569U (en) | 1992-02-07 |
Family
ID=31580841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990056743U Pending JPH0415569U (en) | 1990-05-30 | 1990-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415569U (en) |
-
1990
- 1990-05-30 JP JP1990056743U patent/JPH0415569U/ja active Pending
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