JPS63176929U - - Google Patents
Info
- Publication number
- JPS63176929U JPS63176929U JP4544887U JP4544887U JPS63176929U JP S63176929 U JPS63176929 U JP S63176929U JP 4544887 U JP4544887 U JP 4544887U JP 4544887 U JP4544887 U JP 4544887U JP S63176929 U JPS63176929 U JP S63176929U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- optical disk
- light receiving
- optical pickup
- lens
- 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 11
- 238000001514 detection method Methods 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
- Lens Barrels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4544887U JPS63176929U (he) | 1987-03-26 | 1987-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4544887U JPS63176929U (he) | 1987-03-26 | 1987-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63176929U true JPS63176929U (he) | 1988-11-16 |
Family
ID=30864192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4544887U Pending JPS63176929U (he) | 1987-03-26 | 1987-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63176929U (he) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS544105A (en) * | 1977-06-06 | 1979-01-12 | Mca Disco Vision | Lens focusing device |
-
1987
- 1987-03-26 JP JP4544887U patent/JPS63176929U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS544105A (en) * | 1977-06-06 | 1979-01-12 | Mca Disco Vision | Lens focusing device |