JPH0349629U - - Google Patents
Info
- Publication number
- JPH0349629U JPH0349629U JP11139589U JP11139589U JPH0349629U JP H0349629 U JPH0349629 U JP H0349629U JP 11139589 U JP11139589 U JP 11139589U JP 11139589 U JP11139589 U JP 11139589U JP H0349629 U JPH0349629 U JP H0349629U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- cutting device
- deflection element
- objective lens
- optical
- 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 7
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
Description
第１図はこの考案の一実施例を示す図である。
第２図および第３図は従来の光デイスクにおける
サンプリングサーボ方式を説明するための図であ
る。
図において、３……光偏向素子、５……光ヘツ
ド対物レンズ、６，７……凸レンズを示す。
FIG. 1 is a diagram showing an embodiment of this invention.
FIGS. 2 and 3 are diagrams for explaining a sampling servo system in a conventional optical disc. In the figure, 3... a light deflection element, 5... an optical head objective lens, 6, 7... a convex lens.
Claims (1)
子によつて振らせ、対物レンズによつて光デイス
ク上にサンプルピツトをカツテイングする光デイ
スクカツテイング装置において、 前記光偏向素子と前記対物レンズとの間の に配置される１対の凸レンズを備え、 ウオブリング時のけられを小さくするようにし
たことを特徴とする、光デイスクカツテイング装
置。[Claims for Utility Model Registration] In an optical disk cutting device that deflects a light beam emitted from a laser light source by an optical deflection element and cuts a sample pit onto an optical disk using an objective lens, the optical deflection element An optical disk cutting device comprising: a pair of convex lenses disposed between the object lens and the objective lens to reduce vignetting during wobbling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11139589U JPH0349629U (en) | 1989-09-21 | 1989-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11139589U JPH0349629U (en) | 1989-09-21 | 1989-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0349629U true JPH0349629U (en) | 1991-05-15 |
Family
ID=31659876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11139589U Pending JPH0349629U (en) | 1989-09-21 | 1989-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0349629U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58102343A (en) * | 1981-12-10 | 1983-06-17 | デイスコビジヨン・アソシエイツ | Method and apparatus for measuring interval of information track |
| JPS6455750A (en) * | 1987-08-26 | 1989-03-02 | Sony Corp | Optical recording and reproducing device |
| JPS6457244A (en) * | 1987-08-28 | 1989-03-03 | Sony Corp | Light beam deflecting device |
| JPH01133237A (en) * | 1987-04-08 | 1989-05-25 | Nippon Telegr & Teleph Corp <Ntt> | Method and apparatus for producing master disk for optical disk and said optical disk |
| JPH02263326A (en) * | 1989-03-31 | 1990-10-26 | Toshiba Corp | Servo pattern recording system for master disk of optical memory |
-
1989
- 1989-09-21 JP JP11139589U patent/JPH0349629U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58102343A (en) * | 1981-12-10 | 1983-06-17 | デイスコビジヨン・アソシエイツ | Method and apparatus for measuring interval of information track |
| JPH01133237A (en) * | 1987-04-08 | 1989-05-25 | Nippon Telegr & Teleph Corp <Ntt> | Method and apparatus for producing master disk for optical disk and said optical disk |
| JPS6455750A (en) * | 1987-08-26 | 1989-03-02 | Sony Corp | Optical recording and reproducing device |
| JPS6457244A (en) * | 1987-08-28 | 1989-03-03 | Sony Corp | Light beam deflecting device |
| JPH02263326A (en) * | 1989-03-31 | 1990-10-26 | Toshiba Corp | Servo pattern recording system for master disk of optical memory |