JPH0389521U - - Google Patents
Info
- Publication number
- JPH0389521U JPH0389521U JP14932289U JP14932289U JPH0389521U JP H0389521 U JPH0389521 U JP H0389521U JP 14932289 U JP14932289 U JP 14932289U JP 14932289 U JP14932289 U JP 14932289U JP H0389521 U JPH0389521 U JP H0389521U
- Authority
- JP
- Japan
- Prior art keywords
- focus
- detection means
- detecting
- signal
- signal detection
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram 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 |
|---|---|---|---|
| JP14932289U JPH0650816Y2 (ja) | 1989-12-27 | 1989-12-27 | 光ディスク再生装置のフォーカスサーチ回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14932289U JPH0650816Y2 (ja) | 1989-12-27 | 1989-12-27 | 光ディスク再生装置のフォーカスサーチ回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0389521U true JPH0389521U (enExample) | 1991-09-12 |
| JPH0650816Y2 JPH0650816Y2 (ja) | 1994-12-21 |
Family
ID=31695727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14932289U Expired - Lifetime JPH0650816Y2 (ja) | 1989-12-27 | 1989-12-27 | 光ディスク再生装置のフォーカスサーチ回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0650816Y2 (enExample) |
-
1989
- 1989-12-27 JP JP14932289U patent/JPH0650816Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0650816Y2 (ja) | 1994-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |