JPH0140406B2 - - Google Patents
Info
- Publication number
- JPH0140406B2 JPH0140406B2 JP4719182A JP4719182A JPH0140406B2 JP H0140406 B2 JPH0140406 B2 JP H0140406B2 JP 4719182 A JP4719182 A JP 4719182A JP 4719182 A JP4719182 A JP 4719182A JP H0140406 B2 JPH0140406 B2 JP H0140406B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- control signal
- tracking control
- optical
- information
- 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 37
- 238000001514 detection method Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 12
- 230000007423 decrease Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4719182A JPS58166541A (ja) | 1982-03-26 | 1982-03-26 | 光ディスクにおけるトラッキング制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4719182A JPS58166541A (ja) | 1982-03-26 | 1982-03-26 | 光ディスクにおけるトラッキング制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58166541A JPS58166541A (ja) | 1983-10-01 |
| JPH0140406B2 true JPH0140406B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-08-29 |
Family
ID=12768214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4719182A Granted JPS58166541A (ja) | 1982-03-26 | 1982-03-26 | 光ディスクにおけるトラッキング制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58166541A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2967756B2 (ja) * | 1997-04-25 | 1999-10-25 | 日本電気株式会社 | 光ディスク用トラックサーボ装置 |
| EP1677292A1 (en) * | 2003-10-24 | 2006-07-05 | Matsushita Electric Industrial Co., Ltd. | Tracking control device and method, focus control device and method, and signal processing device |
-
1982
- 1982-03-26 JP JP4719182A patent/JPS58166541A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58166541A (ja) | 1983-10-01 |