JPS61174020U - - Google Patents
Info
- Publication number
- JPS61174020U JPS61174020U JP5632885U JP5632885U JPS61174020U JP S61174020 U JPS61174020 U JP S61174020U JP 5632885 U JP5632885 U JP 5632885U JP 5632885 U JP5632885 U JP 5632885U JP S61174020 U JPS61174020 U JP S61174020U
- Authority
- JP
- Japan
- Prior art keywords
- error signal
- bandpass filter
- voltage
- focus servo
- control amplifier
- 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
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5632885U JPS61174020U (is) | 1985-04-16 | 1985-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5632885U JPS61174020U (is) | 1985-04-16 | 1985-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61174020U true JPS61174020U (is) | 1986-10-29 |
Family
ID=30579820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5632885U Pending JPS61174020U (is) | 1985-04-16 | 1985-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174020U (is) |
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1985
- 1985-04-16 JP JP5632885U patent/JPS61174020U/ja active Pending