JPH0521698Y2 - - Google Patents
Info
- Publication number
- JPH0521698Y2 JPH0521698Y2 JP19487187U JP19487187U JPH0521698Y2 JP H0521698 Y2 JPH0521698 Y2 JP H0521698Y2 JP 19487187 U JP19487187 U JP 19487187U JP 19487187 U JP19487187 U JP 19487187U JP H0521698 Y2 JPH0521698 Y2 JP H0521698Y2
- Authority
- JP
- Japan
- Prior art keywords
- focus
- low
- frequency compensation
- compensation circuit
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 24
- 230000010354 integration Effects 0.000 claims 1
- 230000005484 gravity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19487187U JPH0521698Y2 (en]) | 1987-12-24 | 1987-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19487187U JPH0521698Y2 (en]) | 1987-12-24 | 1987-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01103019U JPH01103019U (en]) | 1989-07-12 |
| JPH0521698Y2 true JPH0521698Y2 (en]) | 1993-06-03 |
Family
ID=31485576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19487187U Expired - Lifetime JPH0521698Y2 (en]) | 1987-12-24 | 1987-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521698Y2 (en]) |
-
1987
- 1987-12-24 JP JP19487187U patent/JPH0521698Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01103019U (en]) | 1989-07-12 |
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