JPH0320913Y2 - - Google Patents
Info
- Publication number
- JPH0320913Y2 JPH0320913Y2 JP14913084U JP14913084U JPH0320913Y2 JP H0320913 Y2 JPH0320913 Y2 JP H0320913Y2 JP 14913084 U JP14913084 U JP 14913084U JP 14913084 U JP14913084 U JP 14913084U JP H0320913 Y2 JPH0320913 Y2 JP H0320913Y2
- Authority
- JP
- Japan
- Prior art keywords
- detector
- track
- light receiving
- signal
- output
- 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 49
- 238000001514 detection method Methods 0.000 claims description 24
- 230000007547 defect Effects 0.000 claims description 16
- 230000002950 deficient Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 15
- 239000000428 dust Substances 0.000 description 9
- 230000000630 rising effect Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14913084U JPH0320913Y2 (zh) | 1984-10-02 | 1984-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14913084U JPH0320913Y2 (zh) | 1984-10-02 | 1984-10-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6164622U JPS6164622U (zh) | 1986-05-02 |
| JPH0320913Y2 true JPH0320913Y2 (zh) | 1991-05-07 |
Family
ID=30707318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14913084U Expired JPH0320913Y2 (zh) | 1984-10-02 | 1984-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320913Y2 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0770071B2 (ja) * | 1987-09-10 | 1995-07-31 | 富士通テン株式会社 | トラツキングサーボ装置 |
-
1984
- 1984-10-02 JP JP14913084U patent/JPH0320913Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6164622U (zh) | 1986-05-02 |
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