JPS63109322U - - Google Patents
Info
- Publication number
- JPS63109322U JPS63109322U JP20100186U JP20100186U JPS63109322U JP S63109322 U JPS63109322 U JP S63109322U JP 20100186 U JP20100186 U JP 20100186U JP 20100186 U JP20100186 U JP 20100186U JP S63109322 U JPS63109322 U JP S63109322U
- Authority
- JP
- Japan
- Prior art keywords
- head
- focus error
- focusing operation
- disk
- pick
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
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 |
|---|---|---|---|
| JP20100186U JPS63109322U (me) | 1986-12-29 | 1986-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20100186U JPS63109322U (me) | 1986-12-29 | 1986-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63109322U true JPS63109322U (me) | 1988-07-14 |
Family
ID=31164046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20100186U Pending JPS63109322U (me) | 1986-12-29 | 1986-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63109322U (me) |
-
1986
- 1986-12-29 JP JP20100186U patent/JPS63109322U/ja active Pending