JPS61195520U - - Google Patents
Info
- Publication number
- JPS61195520U JPS61195520U JP5903785U JP5903785U JPS61195520U JP S61195520 U JPS61195520 U JP S61195520U JP 5903785 U JP5903785 U JP 5903785U JP 5903785 U JP5903785 U JP 5903785U JP S61195520 U JPS61195520 U JP S61195520U
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- outputs
- control device
- tracking control
- divided
- 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
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5903785U JPS61195520U (enExample) | 1985-04-19 | 1985-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5903785U JPS61195520U (enExample) | 1985-04-19 | 1985-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61195520U true JPS61195520U (enExample) | 1986-12-05 |
Family
ID=30585089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5903785U Pending JPS61195520U (enExample) | 1985-04-19 | 1985-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61195520U (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58100244A (ja) * | 1981-12-10 | 1983-06-14 | Foster Denki Kk | 光学式情報再生装置 |
| JPS59152543A (ja) * | 1983-02-21 | 1984-08-31 | Toshiba Corp | 光学式デイスクレコ−ド再生装置 |
-
1985
- 1985-04-19 JP JP5903785U patent/JPS61195520U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58100244A (ja) * | 1981-12-10 | 1983-06-14 | Foster Denki Kk | 光学式情報再生装置 |
| JPS59152543A (ja) * | 1983-02-21 | 1984-08-31 | Toshiba Corp | 光学式デイスクレコ−ド再生装置 |