JPH0413772Y2 - - Google Patents
Info
- Publication number
- JPH0413772Y2 JPH0413772Y2 JP8126885U JP8126885U JPH0413772Y2 JP H0413772 Y2 JPH0413772 Y2 JP H0413772Y2 JP 8126885 U JP8126885 U JP 8126885U JP 8126885 U JP8126885 U JP 8126885U JP H0413772 Y2 JPH0413772 Y2 JP H0413772Y2
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- beam spot
- tracking
- track
- error signal
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 description 20
- 238000001514 detection method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000013459 approach Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8126885U JPH0413772Y2 (https=) | 1985-05-29 | 1985-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8126885U JPH0413772Y2 (https=) | 1985-05-29 | 1985-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61199727U JPS61199727U (https=) | 1986-12-13 |
| JPH0413772Y2 true JPH0413772Y2 (https=) | 1992-03-30 |
Family
ID=30627895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8126885U Expired JPH0413772Y2 (https=) | 1985-05-29 | 1985-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413772Y2 (https=) |
-
1985
- 1985-05-29 JP JP8126885U patent/JPH0413772Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61199727U (https=) | 1986-12-13 |
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