JPH0348727Y2 - - Google Patents
Info
- Publication number
- JPH0348727Y2 JPH0348727Y2 JP8301888U JP8301888U JPH0348727Y2 JP H0348727 Y2 JPH0348727 Y2 JP H0348727Y2 JP 8301888 U JP8301888 U JP 8301888U JP 8301888 U JP8301888 U JP 8301888U JP H0348727 Y2 JPH0348727 Y2 JP H0348727Y2
- Authority
- JP
- Japan
- Prior art keywords
- focus servo
- objective lens
- amplifier
- field effect
- effect transistor
- 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.)
- Expired
Links
- 230000005669 field effect Effects 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8301888U JPH0348727Y2 (xx) | 1988-06-24 | 1988-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8301888U JPH0348727Y2 (xx) | 1988-06-24 | 1988-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197417U JPH0197417U (xx) | 1989-06-28 |
| JPH0348727Y2 true JPH0348727Y2 (xx) | 1991-10-17 |
Family
ID=31307751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8301888U Expired JPH0348727Y2 (xx) | 1988-06-24 | 1988-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348727Y2 (xx) |
-
1988
- 1988-06-24 JP JP8301888U patent/JPH0348727Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0197417U (xx) | 1989-06-28 |
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