JPH02135926U - - Google Patents
Info
- Publication number
- JPH02135926U JPH02135926U JP1989046062U JP4606289U JPH02135926U JP H02135926 U JPH02135926 U JP H02135926U JP 1989046062 U JP1989046062 U JP 1989046062U JP 4606289 U JP4606289 U JP 4606289U JP H02135926 U JPH02135926 U JP H02135926U
- Authority
- JP
- Japan
- Prior art keywords
- recording disk
- disk
- optical recording
- optical
- recorded
- 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 9
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案の第１実施例の斜視図、第２図
は第１図の−線矢視断面図、第３図は本考案
の第２実施例の断面図、第４図及び第５図は両光
学式記録デイスクの固定構造を示す説明図、第６
図は従来の光学式情報記録デイスクを示す断面図
である。
１……光学式情報記録デイスク、２……第１光
学式記録デイスク、３……第２光学式記録デイス
ク。
Fig. 1 is a perspective view of the first embodiment of the present invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, Fig. 3 is a sectional view of the second embodiment of the invention, Figs. Figure 5 is an explanatory diagram showing the fixing structure of both optical recording disks;
The figure is a sectional view showing a conventional optical information recording disk. 1... Optical information recording disk, 2... First optical recording disk, 3... Second optical recording disk.
Claims (1)
１光学式記録デイスクと第２のデイジタル情報が
記録された中空円板状の第２光学式記録デイスク
とから成り、上記第２光学式記録デイスクと同心
状に第１光学式記録デイスクが嵌合固定されてい
ることを特徴とする光学式情報記録デイスク。 The disc-shaped first optical recording disk has first digital information recorded on it, and the second optical recording disk has a hollow disk-like shape on which second digital information has been recorded. An optical information recording disk characterized in that a first optical recording disk is fitted and fixed concentrically with the disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989046062U JPH02135926U (en) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989046062U JPH02135926U (en) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135926U true JPH02135926U (en) | 1990-11-13 |
Family
ID=31560807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989046062U Pending JPH02135926U (en) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135926U (en) |
-
1989
- 1989-04-19 JP JP1989046062U patent/JPH02135926U/ja active Pending