JPS6399317U - - Google Patents
Info
- Publication number
- JPS6399317U JPS6399317U JP19261486U JP19261486U JPS6399317U JP S6399317 U JPS6399317 U JP S6399317U JP 19261486 U JP19261486 U JP 19261486U JP 19261486 U JP19261486 U JP 19261486U JP S6399317 U JPS6399317 U JP S6399317U
- Authority
- JP
- Japan
- Prior art keywords
- focus
- objective lens
- pull
- control device
- 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 8
- 238000001514 detection method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19261486U JPS6399317U (fr) | 1986-12-15 | 1986-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19261486U JPS6399317U (fr) | 1986-12-15 | 1986-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6399317U true JPS6399317U (fr) | 1988-06-28 |
Family
ID=31147861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19261486U Pending JPS6399317U (fr) | 1986-12-15 | 1986-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6399317U (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02287984A (ja) * | 1989-04-28 | 1990-11-28 | Pioneer Electron Corp | ディスク再生装置 |
-
1986
- 1986-12-15 JP JP19261486U patent/JPS6399317U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02287984A (ja) * | 1989-04-28 | 1990-11-28 | Pioneer Electron Corp | ディスク再生装置 |
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