JPH056574Y2 - - Google Patents
Info
- Publication number
- JPH056574Y2 JPH056574Y2 JP4133187U JP4133187U JPH056574Y2 JP H056574 Y2 JPH056574 Y2 JP H056574Y2 JP 4133187 U JP4133187 U JP 4133187U JP 4133187 U JP4133187 U JP 4133187U JP H056574 Y2 JPH056574 Y2 JP H056574Y2
- Authority
- JP
- Japan
- Prior art keywords
- servo
- signal
- error signal
- sample
- sampled
- 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 36
- 238000001514 detection method Methods 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 238000005070 sampling Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4133187U JPH056574Y2 (de) | 1987-03-20 | 1987-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4133187U JPH056574Y2 (de) | 1987-03-20 | 1987-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63149415U JPS63149415U (de) | 1988-10-03 |
| JPH056574Y2 true JPH056574Y2 (de) | 1993-02-19 |
Family
ID=30856229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4133187U Expired - Lifetime JPH056574Y2 (de) | 1987-03-20 | 1987-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH056574Y2 (de) |
-
1987
- 1987-03-20 JP JP4133187U patent/JPH056574Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63149415U (de) | 1988-10-03 |
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