JPS62157330A - 光学ヘッド - Google Patents
光学ヘッドInfo
- Publication number
- JPS62157330A JPS62157330A JP60296379A JP29637985A JPS62157330A JP S62157330 A JPS62157330 A JP S62157330A JP 60296379 A JP60296379 A JP 60296379A JP 29637985 A JP29637985 A JP 29637985A JP S62157330 A JPS62157330 A JP S62157330A
- Authority
- JP
- Japan
- Prior art keywords
- diffraction grating
- optical
- shaft portion
- eccentric pin
- axis
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims description 8
- 201000009310 astigmatism Diseases 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 abstract description 8
- 241000755266 Kathetostoma giganteum Species 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60296379A JPS62157330A (ja) | 1985-12-27 | 1985-12-27 | 光学ヘッド |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60296379A JPS62157330A (ja) | 1985-12-27 | 1985-12-27 | 光学ヘッド |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62157330A true JPS62157330A (ja) | 1987-07-13 |
JPH0439742B2 JPH0439742B2 (enrdf_load_stackoverflow) | 1992-06-30 |
Family
ID=17832785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60296379A Granted JPS62157330A (ja) | 1985-12-27 | 1985-12-27 | 光学ヘッド |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62157330A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6785200B1 (en) * | 1999-07-01 | 2004-08-31 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Diffraction grating element and optical pickup device incorporating the same |
-
1985
- 1985-12-27 JP JP60296379A patent/JPS62157330A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6785200B1 (en) * | 1999-07-01 | 2004-08-31 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Diffraction grating element and optical pickup device incorporating the same |
Also Published As
Publication number | Publication date |
---|---|
JPH0439742B2 (enrdf_load_stackoverflow) | 1992-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |