JPS632219U - - Google Patents
Info
- Publication number
- JPS632219U JPS632219U JP9370186U JP9370186U JPS632219U JP S632219 U JPS632219 U JP S632219U JP 9370186 U JP9370186 U JP 9370186U JP 9370186 U JP9370186 U JP 9370186U JP S632219 U JPS632219 U JP S632219U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- pickup device
- optical pickup
- receiving element
- outer periphery
- 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 9
- 238000001514 detection method Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9370186U JPS632219U (it) | 1986-06-19 | 1986-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9370186U JPS632219U (it) | 1986-06-19 | 1986-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS632219U true JPS632219U (it) | 1988-01-08 |
Family
ID=30956498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9370186U Pending JPS632219U (it) | 1986-06-19 | 1986-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS632219U (it) |
-
1986
- 1986-06-19 JP JP9370186U patent/JPS632219U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0285661A4 (en) | POSITION DETECTOR OF THE OPTICAL FOCUS OF AN OPTICAL DATA STORAGE / READING DEVICE. | |
| CA2002381A1 (en) | Optical pickup device | |
| US4633454A (en) | Optical information pickup apparatus | |
| JPS632219U (it) | ||
| JPH0566657B2 (it) | ||
| JPS59157223U (ja) | 光ピツクアツプ装置 | |
| JPS6313414U (it) | ||
| JPS63200225U (it) | ||
| JPS59157222U (ja) | 光ピツクアツプ装置 | |
| JPS62198516U (it) | ||
| JPH01146315U (it) | ||
| JPS60169722U (ja) | 光学式情報再生装置 | |
| JPS60132620U (ja) | 光学記録再生装置のビ−ム位置調整装置 | |
| JPS58183639U (ja) | 光ピツクアツプのトラツキングエラ−信号検出装置 | |
| JPS6446703U (it) | ||
| JPS5875342U (ja) | 光学式情報再生装置 | |
| JPS62141639A (ja) | 光学的記録再生用光ヘツド | |
| JPH01116913U (it) | ||
| JPH0211513U (it) | ||
| JPS6435518U (it) | ||
| JPH0226129U (it) | ||
| JPS6056925U (ja) | 記録情報読取装置 | |
| JPS5849330U (ja) | 情報再生装置の焦点制御信号検出回路 | |
| JPH0197414U (it) | ||
| JPS59138024U (ja) | 光学的記録再生装置 |