JPS6346902Y2 - - Google Patents
Info
- Publication number
- JPS6346902Y2 JPS6346902Y2 JP3136483U JP3136483U JPS6346902Y2 JP S6346902 Y2 JPS6346902 Y2 JP S6346902Y2 JP 3136483 U JP3136483 U JP 3136483U JP 3136483 U JP3136483 U JP 3136483U JP S6346902 Y2 JPS6346902 Y2 JP S6346902Y2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- recording
- output
- focus control
- reproduction
- 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.)
- Expired
Links
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3136483U JPS59138026U (ja) | 1983-03-03 | 1983-03-03 | 焦点制御範囲識別回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3136483U JPS59138026U (ja) | 1983-03-03 | 1983-03-03 | 焦点制御範囲識別回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59138026U JPS59138026U (ja) | 1984-09-14 |
| JPS6346902Y2 true JPS6346902Y2 (enrdf_load_stackoverflow) | 1988-12-05 |
Family
ID=30162213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3136483U Granted JPS59138026U (ja) | 1983-03-03 | 1983-03-03 | 焦点制御範囲識別回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59138026U (enrdf_load_stackoverflow) |
-
1983
- 1983-03-03 JP JP3136483U patent/JPS59138026U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59138026U (ja) | 1984-09-14 |
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