JPH032425U - - Google Patents
Info
- Publication number
- JPH032425U JPH032425U JP6200089U JP6200089U JPH032425U JP H032425 U JPH032425 U JP H032425U JP 6200089 U JP6200089 U JP 6200089U JP 6200089 U JP6200089 U JP 6200089U JP H032425 U JPH032425 U JP H032425U
- Authority
- JP
- Japan
- Prior art keywords
- optical pickup
- focus error
- error signal
- detection circuit
- signal detection
- 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 6
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6200089U JPH032425U (nl) | 1989-05-29 | 1989-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6200089U JPH032425U (nl) | 1989-05-29 | 1989-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032425U true JPH032425U (nl) | 1991-01-11 |
Family
ID=31590753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6200089U Pending JPH032425U (nl) | 1989-05-29 | 1989-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032425U (nl) |
-
1989
- 1989-05-29 JP JP6200089U patent/JPH032425U/ja active Pending