JPH01146318U - - Google Patents
Info
- Publication number
- JPH01146318U JPH01146318U JP1988039909U JP3990988U JPH01146318U JP H01146318 U JPH01146318 U JP H01146318U JP 1988039909 U JP1988039909 U JP 1988039909U JP 3990988 U JP3990988 U JP 3990988U JP H01146318 U JPH01146318 U JP H01146318U
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- recording medium
- optical card
- light beam
- substrate
- 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 6
- 239000000758 substrate Substances 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Credit Cards Or The Like (AREA)
Description
第1図は本考案の一実施例に係る光カードの構
成を示すものであつて、同図aは斜視図、同図b
は縦断面図、第2図は上記光カードに物体が接触
した状態での第1図bの相当図、第3図及び第4
図はそれぞれ本考案の他の実施例に係る光カード
の斜視図である。
〔符号の説明〕、1……情報記録媒体、1a…
…情報記録領域、2……基板、2a……矢印、A
,B,C……光カード。
Figure 1 shows the structure of an optical card according to an embodiment of the present invention, in which figure a is a perspective view and figure b is a perspective view.
2 is a longitudinal sectional view, FIG. 2 is a view corresponding to FIG. 1b with an object in contact with the optical card, and FIGS. 3 and 4.
The figures are perspective views of optical cards according to other embodiments of the present invention. [Explanation of symbols], 1... Information recording medium, 1a...
...Information recording area, 2...Substrate, 2a...Arrow, A
, B, C... Optical card.
Claims (1)
記録媒体に該光ビームを照射し、上記情報記録媒
体の情報記録領域に対して情報の読み出し若しく
は書き込みを行うことのできる光カードにおいて
、上記情報記録媒体の情報記録領域と対応する上
記基板の部分を、その周囲の部分に対して凹陥さ
せたことを特徴とする光カード。 In an optical card that can read or write information to an information recording area of the information recording medium by irradiating the light beam onto an information recording medium covered with a substrate that transmits the light beam, the information recording medium An optical card characterized in that a portion of the substrate corresponding to the information recording area is recessed relative to the surrounding portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988039909U JPH01146318U (en) | 1988-03-25 | 1988-03-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988039909U JPH01146318U (en) | 1988-03-25 | 1988-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01146318U true JPH01146318U (en) | 1989-10-09 |
Family
ID=31266393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988039909U Pending JPH01146318U (en) | 1988-03-25 | 1988-03-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01146318U (en) |
-
1988
- 1988-03-25 JP JP1988039909U patent/JPH01146318U/ja active Pending
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