JPH0255409U - - Google Patents
Info
- Publication number
- JPH0255409U JPH0255409U JP1988133674U JP13367488U JPH0255409U JP H0255409 U JPH0255409 U JP H0255409U JP 1988133674 U JP1988133674 U JP 1988133674U JP 13367488 U JP13367488 U JP 13367488U JP H0255409 U JPH0255409 U JP H0255409U
- Authority
- JP
- Japan
- Prior art keywords
- wobble marks
- optical disc
- utility
- registration request
- scope
- 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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例の一部を示す平面図
、第２図は従来の光デイスクの一例の一部を示す
平面図、第３図は同光デイスクを説明するための
平面図である。
２……中心線、７，８……ウオブルマーク、９
，１０……連続溝。
Fig. 1 is a plan view showing a part of an embodiment of the present invention, Fig. 2 is a plan view showing a part of an example of a conventional optical disk, and Fig. 3 is a plan view for explaining the same optical disk. It is. 2... Center line, 7, 8... Wobble mark, 9
, 10... Continuous groove.
Claims (1)
キング信号とするサンプルド サーボ方式に用い
られる光デイスクにおいて、前記ウオブルマーク
をランドピツトにて形成したことを特徴とする光
デイスク。 1. An optical disc used in a sampled servo system in which a difference signal obtained by wobble marks is used as a tracking signal, characterized in that the wobble marks are formed by land pits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988133674U JPH0255409U (en) | 1988-10-13 | 1988-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988133674U JPH0255409U (en) | 1988-10-13 | 1988-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255409U true JPH0255409U (en) | 1990-04-20 |
Family
ID=31391756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988133674U Pending JPH0255409U (en) | 1988-10-13 | 1988-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255409U (en) |
-
1988
- 1988-10-13 JP JP1988133674U patent/JPH0255409U/ja active Pending