JPH0439742B2 - - Google Patents
Info
- Publication number
- JPH0439742B2 JPH0439742B2 JP60296379A JP29637985A JPH0439742B2 JP H0439742 B2 JPH0439742 B2 JP H0439742B2 JP 60296379 A JP60296379 A JP 60296379A JP 29637985 A JP29637985 A JP 29637985A JP H0439742 B2 JPH0439742 B2 JP H0439742B2
- Authority
- JP
- Japan
- Prior art keywords
- shaft part
- diffraction grating
- axis
- groove
- eccentric pin
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 39
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 description 7
- 241000755266 Kathetostoma giganteum Species 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000758 substrate Substances 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 JPS62157330A (ja) | 1987-07-13 |
| JPH0439742B2 true JPH0439742B2 (en]) | 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 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001014722A (ja) * | 1999-07-01 | 2001-01-19 | Sankyo Seiki Mfg Co Ltd | グレーティング部材および光ピックアップ装置 |
-
1985
- 1985-12-27 JP JP60296379A patent/JPS62157330A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62157330A (ja) | 1987-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |