JPH0242280U - - Google Patents
Info
- Publication number
- JPH0242280U JPH0242280U JP1988118628U JP11862888U JPH0242280U JP H0242280 U JPH0242280 U JP H0242280U JP 1988118628 U JP1988118628 U JP 1988118628U JP 11862888 U JP11862888 U JP 11862888U JP H0242280 U JPH0242280 U JP H0242280U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- center
- clamper
- information surface
- inner hole
- 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
- 238000011156 evaluation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
- Rotational Drive Of Disk (AREA)
Description
第１図は本考案による評価用デイスクの一実施
例を示す説明図、第２図は一般に使用されている
コンパクトデイスクの説明図である。
図中、１はデイスク本体部、２はインナーホー
ル、３はデイスク情報面、４はデイスククランパ
ー部、Ｏはデイスク情報面の中心、Ｏ′はインナ
ーホールの中心である。
FIG. 1 is an explanatory diagram showing one embodiment of an evaluation disk according to the present invention, and FIG. 2 is an explanatory diagram of a generally used compact disk. In the figure, 1 is the disk body, 2 is the inner hole, 3 is the disk information surface, 4 is the disk clamper, O is the center of the disk information surface, and O' is the center of the inner hole.
Claims (1)
中心に対してデイスク情報面の中心を偏心させて
設けるとともに、前記デイスク情報面とクランパ
ー面が所定の角度を有するように構成したことを
特徴とする情報記録再生装置の評価用デイスク。 An information recording and reproducing device characterized in that the center of a disk information surface is eccentrically provided with respect to the center of an inner hole in a disk clamper section, and the disk information surface and the clamper surface are configured to form a predetermined angle. evaluation disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988118628U JPH0242280U (en) | 1988-09-09 | 1988-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988118628U JPH0242280U (en) | 1988-09-09 | 1988-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0242280U true JPH0242280U (en) | 1990-03-23 |
Family
ID=31363138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988118628U Pending JPH0242280U (en) | 1988-09-09 | 1988-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242280U (en) |
-
1988
- 1988-09-09 JP JP1988118628U patent/JPH0242280U/ja active Pending
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