JPS544107A - Reference signal writing device - Google Patents
Reference signal writing deviceInfo
- Publication number
- JPS544107A JPS544107A JP6970677A JP6970677A JPS544107A JP S544107 A JPS544107 A JP S544107A JP 6970677 A JP6970677 A JP 6970677A JP 6970677 A JP6970677 A JP 6970677A JP S544107 A JPS544107 A JP S544107A
- Authority
- JP
- Japan
- Prior art keywords
- reference signal
- writing device
- signal writing
- highly accurately
- reference signals
- 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
Abstract
PURPOSE: To highly accurately write reference signals by highly accurately recording synchronous bits for track servo at a preset spacing.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6970677A JPS544107A (en) | 1977-06-13 | 1977-06-13 | Reference signal writing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6970677A JPS544107A (en) | 1977-06-13 | 1977-06-13 | Reference signal writing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS544107A true JPS544107A (en) | 1979-01-12 |
JPS5644494B2 JPS5644494B2 (en) | 1981-10-20 |
Family
ID=13410544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6970677A Granted JPS544107A (en) | 1977-06-13 | 1977-06-13 | Reference signal writing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS544107A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54143215A (en) * | 1978-04-28 | 1979-11-08 | Nec Corp | Servo track writing apparatus |
-
1977
- 1977-06-13 JP JP6970677A patent/JPS544107A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54143215A (en) * | 1978-04-28 | 1979-11-08 | Nec Corp | Servo track writing apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS5644494B2 (en) | 1981-10-20 |
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