JPS6249790B2 - - Google Patents
Info
- Publication number
- JPS6249790B2 JPS6249790B2 JP54006679A JP667979A JPS6249790B2 JP S6249790 B2 JPS6249790 B2 JP S6249790B2 JP 54006679 A JP54006679 A JP 54006679A JP 667979 A JP667979 A JP 667979A JP S6249790 B2 JPS6249790 B2 JP S6249790B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- error signal
- signal
- control device
- tracking
- 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
- 230000001133 acceleration Effects 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000001934 delay Effects 0.000 claims 1
- 230000009191 jumping Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6679A JPS54100357A (en) | 1978-01-05 | 1979-01-05 | Substituted carbamate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5599889A JPS5599889A (en) | 1980-07-30 |
| JPS6249790B2 true JPS6249790B2 (es) | 1987-10-21 |
Family
ID=11463806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP667979A Granted JPS5599889A (en) | 1979-01-05 | 1979-01-23 | Tracking control unit in information reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5599889A (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58200472A (ja) * | 1982-05-19 | 1983-11-22 | Hitachi Ltd | 記録情報再生装置のトラツキング制御装置 |
| JPS58224445A (ja) * | 1982-06-24 | 1983-12-26 | Toshiba Corp | ピツクアツプアクチユエ−タ共振の電気的ダンピング方法 |
| JPS59116970A (ja) * | 1982-12-23 | 1984-07-06 | Olympus Optical Co Ltd | 光学式記録再生装置のトラックジャンプ制御装置 |
| JPS59185077A (ja) * | 1983-04-05 | 1984-10-20 | Pioneer Electronic Corp | トラツキングサ−ボ引込装置 |
| JPS6151673A (ja) * | 1984-08-21 | 1986-03-14 | Pioneer Electronic Corp | 時間軸制御方式 |
| JPS62117764U (es) * | 1986-01-16 | 1987-07-27 | ||
| CN107809171B (zh) * | 2016-09-09 | 2019-12-31 | 苏州力生美半导体有限公司 | 开关电源及其功率开关管的驱动方法与驱动电路 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5226802A (en) * | 1975-08-21 | 1977-02-28 | Philips Nv | Device for reading diskklike recording carrier |
-
1979
- 1979-01-23 JP JP667979A patent/JPS5599889A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5226802A (en) * | 1975-08-21 | 1977-02-28 | Philips Nv | Device for reading diskklike recording carrier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5599889A (en) | 1980-07-30 |
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