JPS62142725U - - Google Patents
Info
- Publication number
- JPS62142725U JPS62142725U JP2863386U JP2863386U JPS62142725U JP S62142725 U JPS62142725 U JP S62142725U JP 2863386 U JP2863386 U JP 2863386U JP 2863386 U JP2863386 U JP 2863386U JP S62142725 U JPS62142725 U JP S62142725U
- Authority
- JP
- Japan
- Prior art keywords
- light
- recording medium
- receiving element
- optical
- light receiving
- 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 description 13
- 238000010586 diagram Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2863386U JPS62142725U (2) | 1986-02-28 | 1986-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2863386U JPS62142725U (2) | 1986-02-28 | 1986-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62142725U true JPS62142725U (2) | 1987-09-09 |
Family
ID=30831780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2863386U Pending JPS62142725U (2) | 1986-02-28 | 1986-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62142725U (2) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54762A (en) * | 1977-06-03 | 1979-01-06 | Hitachi Ltd | Hybrid integrated circuit |
| JPS6059545A (ja) * | 1983-09-12 | 1985-04-05 | Mitsubishi Electric Corp | 光ヘッドの焦点ずれ検出装置 |
-
1986
- 1986-02-28 JP JP2863386U patent/JPS62142725U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54762A (en) * | 1977-06-03 | 1979-01-06 | Hitachi Ltd | Hybrid integrated circuit |
| JPS6059545A (ja) * | 1983-09-12 | 1985-04-05 | Mitsubishi Electric Corp | 光ヘッドの焦点ずれ検出装置 |
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