JPH0441417B2 - - Google Patents
Info
- Publication number
- JPH0441417B2 JPH0441417B2 JP26400684A JP26400684A JPH0441417B2 JP H0441417 B2 JPH0441417 B2 JP H0441417B2 JP 26400684 A JP26400684 A JP 26400684A JP 26400684 A JP26400684 A JP 26400684A JP H0441417 B2 JPH0441417 B2 JP H0441417B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- focus
- state
- circuit
- objective lens
- 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
- 230000003287 optical effect Effects 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 11
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 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 |
|---|---|---|---|
| JP26400684A JPS61142535A (ja) | 1984-12-14 | 1984-12-14 | 光学式ディスク再生装置の自動焦点引込み回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26400684A JPS61142535A (ja) | 1984-12-14 | 1984-12-14 | 光学式ディスク再生装置の自動焦点引込み回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61142535A JPS61142535A (ja) | 1986-06-30 |
| JPH0441417B2 true JPH0441417B2 (zh) | 1992-07-08 |
Family
ID=17397235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26400684A Granted JPS61142535A (ja) | 1984-12-14 | 1984-12-14 | 光学式ディスク再生装置の自動焦点引込み回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61142535A (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH071549B2 (ja) * | 1986-04-09 | 1995-01-11 | 三洋電機株式会社 | フオ−カスサ−チ回路 |
-
1984
- 1984-12-14 JP JP26400684A patent/JPS61142535A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61142535A (ja) | 1986-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |