JPS6172720U - - Google Patents
Info
- Publication number
- JPS6172720U JPS6172720U JP15530984U JP15530984U JPS6172720U JP S6172720 U JPS6172720 U JP S6172720U JP 15530984 U JP15530984 U JP 15530984U JP 15530984 U JP15530984 U JP 15530984U JP S6172720 U JPS6172720 U JP S6172720U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary beams
- auxiliary
- pickup device
- optical pickup
- main beam
- 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 2
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15530984U JPS6172720U (enExample) | 1984-10-15 | 1984-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15530984U JPS6172720U (enExample) | 1984-10-15 | 1984-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6172720U true JPS6172720U (enExample) | 1986-05-17 |
Family
ID=30713310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15530984U Pending JPS6172720U (enExample) | 1984-10-15 | 1984-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6172720U (enExample) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5721153U (enExample) * | 1980-07-07 | 1982-02-03 | ||
| JPS58220252A (ja) * | 1982-06-16 | 1983-12-21 | Hitachi Ltd | 光学式ピツクアツプのトラツキング誤差信号検出回路 |
| JPS5914148A (ja) * | 1982-07-13 | 1984-01-25 | Fujitsu Ltd | 光学的情報再生装置 |
-
1984
- 1984-10-15 JP JP15530984U patent/JPS6172720U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5721153U (enExample) * | 1980-07-07 | 1982-02-03 | ||
| JPS58220252A (ja) * | 1982-06-16 | 1983-12-21 | Hitachi Ltd | 光学式ピツクアツプのトラツキング誤差信号検出回路 |
| JPS5914148A (ja) * | 1982-07-13 | 1984-01-25 | Fujitsu Ltd | 光学的情報再生装置 |