JPS63114413U - - Google Patents
Info
- Publication number
- JPS63114413U JPS63114413U JP12278286U JP12278286U JPS63114413U JP S63114413 U JPS63114413 U JP S63114413U JP 12278286 U JP12278286 U JP 12278286U JP 12278286 U JP12278286 U JP 12278286U JP S63114413 U JPS63114413 U JP S63114413U
- Authority
- JP
- Japan
- Prior art keywords
- focus error
- focus
- error signal
- player
- detection circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims 2
- 238000009833 condensation Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12278286U JPS63114413U (cs) | 1986-08-09 | 1986-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12278286U JPS63114413U (cs) | 1986-08-09 | 1986-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63114413U true JPS63114413U (cs) | 1988-07-23 |
Family
ID=31013300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12278286U Pending JPS63114413U (cs) | 1986-08-09 | 1986-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63114413U (cs) |
-
1986
- 1986-08-09 JP JP12278286U patent/JPS63114413U/ja active Pending