JPS57172563A - Automatic tracking controller - Google Patents
Automatic tracking controllerInfo
- Publication number
- JPS57172563A JPS57172563A JP56057205A JP5720581A JPS57172563A JP S57172563 A JPS57172563 A JP S57172563A JP 56057205 A JP56057205 A JP 56057205A JP 5720581 A JP5720581 A JP 5720581A JP S57172563 A JPS57172563 A JP S57172563A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- phase difference
- phase
- index
- circuit
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56057205A JPS57172563A (en) | 1981-04-17 | 1981-04-17 | Automatic tracking controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56057205A JPS57172563A (en) | 1981-04-17 | 1981-04-17 | Automatic tracking controller |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57172563A true JPS57172563A (en) | 1982-10-23 |
JPH028384B2 JPH028384B2 (ja) | 1990-02-23 |
Family
ID=13048993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56057205A Granted JPS57172563A (en) | 1981-04-17 | 1981-04-17 | Automatic tracking controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57172563A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59200589A (ja) * | 1983-04-26 | 1984-11-13 | Mitsumi Electric Co Ltd | 磁気録画再生装置 |
-
1981
- 1981-04-17 JP JP56057205A patent/JPS57172563A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59200589A (ja) * | 1983-04-26 | 1984-11-13 | Mitsumi Electric Co Ltd | 磁気録画再生装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH028384B2 (ja) | 1990-02-23 |
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