JPS6348103B2 - - Google Patents
Info
- Publication number
- JPS6348103B2 JPS6348103B2 JP58122807A JP12280783A JPS6348103B2 JP S6348103 B2 JPS6348103 B2 JP S6348103B2 JP 58122807 A JP58122807 A JP 58122807A JP 12280783 A JP12280783 A JP 12280783A JP S6348103 B2 JPS6348103 B2 JP S6348103B2
- Authority
- JP
- Japan
- Prior art keywords
- motor
- rotation
- speed
- signal
- pickup
- 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
- 238000001514 detection method Methods 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 19
- 239000000284 extract Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/28—Speed controlling, regulating, or indicating
Landscapes
- Control Of Electric Motors In General (AREA)
- Rotational Drive Of Disk (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58122807A JPS6015860A (ja) | 1983-07-06 | 1983-07-06 | モ−タの回転制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58122807A JPS6015860A (ja) | 1983-07-06 | 1983-07-06 | モ−タの回転制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6015860A JPS6015860A (ja) | 1985-01-26 |
| JPS6348103B2 true JPS6348103B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-09-27 |
Family
ID=14845118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58122807A Granted JPS6015860A (ja) | 1983-07-06 | 1983-07-06 | モ−タの回転制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6015860A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001209954A (ja) * | 2000-01-24 | 2001-08-03 | Matsushita Electric Ind Co Ltd | 光ディスク装置、及び光ディスク装置の制御方法 |
-
1983
- 1983-07-06 JP JP58122807A patent/JPS6015860A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6015860A (ja) | 1985-01-26 |