JPH02122308U - - Google Patents
Info
- Publication number
- JPH02122308U JPH02122308U JP3225489U JP3225489U JPH02122308U JP H02122308 U JPH02122308 U JP H02122308U JP 3225489 U JP3225489 U JP 3225489U JP 3225489 U JP3225489 U JP 3225489U JP H02122308 U JPH02122308 U JP H02122308U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- optical
- rotation
- optical head
- rotation mechanism
- 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 18
- 238000007689 inspection Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3225489U JPH02122308U (OSRAM) | 1989-03-22 | 1989-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3225489U JPH02122308U (OSRAM) | 1989-03-22 | 1989-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02122308U true JPH02122308U (OSRAM) | 1990-10-05 |
Family
ID=31258634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3225489U Pending JPH02122308U (OSRAM) | 1989-03-22 | 1989-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02122308U (OSRAM) |
-
1989
- 1989-03-22 JP JP3225489U patent/JPH02122308U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4838649A (en) | Apparatus for driving objective lens | |
| JPS55947A (en) | Servo unit of optical information reader | |
| IL42208A (en) | A device for optical alignment and adjustment for laser | |
| JPH02122308U (OSRAM) | ||
| JPS6161178B2 (OSRAM) | ||
| GB1526333A (en) | Optical arrangements for maintaining a desired condition of focus of a light beam | |
| CN115524842B (zh) | 一种单目窄带多波段共焦成像系统 | |
| JPS6295743A (ja) | 光学的情報処理装置の自動焦点制御方式 | |
| JPS5869817U (ja) | 光学装置 | |
| JP2585035Y2 (ja) | 光学式情報記録再生装置の光軸調整機構 | |
| JPH0722745Y2 (ja) | 光ピックアップのトラッキング装置 | |
| JPH0749622Y2 (ja) | 光学装置 | |
| JPH0548085Y2 (OSRAM) | ||
| JPS6488927A (en) | Objective lens supporting device | |
| JPH03185639A (ja) | 光ピックアップ | |
| JPH0629776Y2 (ja) | 光ピツクアツプ | |
| JP2706548B2 (ja) | 光ディスク装置の分離型光学ヘッド | |
| JPH0511451Y2 (OSRAM) | ||
| JPH0422190U (OSRAM) | ||
| JPH0244258Y2 (OSRAM) | ||
| JPH0540950A (ja) | 焦点位置追跡方法及び装置 | |
| JPH025115U (OSRAM) | ||
| JPH0332730U (OSRAM) | ||
| JPS59106685U (ja) | レ−ザ加工装置 | |
| JPH02105337A (ja) | 対物レンズの焦点位置調整方法 |