JPS6211230U - - Google Patents
Info
- Publication number
- JPS6211230U JPS6211230U JP10251785U JP10251785U JPS6211230U JP S6211230 U JPS6211230 U JP S6211230U JP 10251785 U JP10251785 U JP 10251785U JP 10251785 U JP10251785 U JP 10251785U JP S6211230 U JPS6211230 U JP S6211230U
- Authority
- JP
- Japan
- Prior art keywords
- reflectance
- position detection
- optical pickup
- photodetectors
- detection device
- 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 7
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985102517U JP2524773Y2 (ja) | 1985-07-05 | 1985-07-05 | 光学ピツクアツプの位置検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985102517U JP2524773Y2 (ja) | 1985-07-05 | 1985-07-05 | 光学ピツクアツプの位置検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6211230U true JPS6211230U (cs) | 1987-01-23 |
| JP2524773Y2 JP2524773Y2 (ja) | 1997-02-05 |
Family
ID=30974235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985102517U Expired - Lifetime JP2524773Y2 (ja) | 1985-07-05 | 1985-07-05 | 光学ピツクアツプの位置検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2524773Y2 (cs) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55153138A (en) * | 1979-05-14 | 1980-11-28 | Mitsubishi Electric Corp | Optical pickup unit |
-
1985
- 1985-07-05 JP JP1985102517U patent/JP2524773Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55153138A (en) * | 1979-05-14 | 1980-11-28 | Mitsubishi Electric Corp | Optical pickup unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2524773Y2 (ja) | 1997-02-05 |