IT1085573B - Disposizione circuitale per convertire segnali binari di informazione in impulsi di scrittura tempificati direzionali - Google Patents
Disposizione circuitale per convertire segnali binari di informazione in impulsi di scrittura tempificati direzionaliInfo
- Publication number
- IT1085573B IT1085573B IT24339/77A IT2433977A IT1085573B IT 1085573 B IT1085573 B IT 1085573B IT 24339/77 A IT24339/77 A IT 24339/77A IT 2433977 A IT2433977 A IT 2433977A IT 1085573 B IT1085573 B IT 1085573B
- Authority
- IT
- Italy
- Prior art keywords
- directional
- information signals
- binary information
- convert binary
- writing pulses
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD193537A DD126697A1 (it) | 1976-06-24 | 1976-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1085573B true IT1085573B (it) | 1985-05-28 |
Family
ID=5504937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT24339/77A IT1085573B (it) | 1976-06-24 | 1977-06-02 | Disposizione circuitale per convertire segnali binari di informazione in impulsi di scrittura tempificati direzionali |
Country Status (4)
| Country | Link |
|---|---|
| DD (1) | DD126697A1 (it) |
| DE (1) | DE2723054A1 (it) |
| IT (1) | IT1085573B (it) |
| SE (1) | SE7707279L (it) |
-
1976
- 1976-06-24 DD DD193537A patent/DD126697A1/xx unknown
-
1977
- 1977-05-21 DE DE19772723054 patent/DE2723054A1/de not_active Withdrawn
- 1977-06-02 IT IT24339/77A patent/IT1085573B/it active
- 1977-06-22 SE SE7707279A patent/SE7707279L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE7707279L (sv) | 1977-12-25 |
| DE2723054A1 (de) | 1978-01-05 |
| DD126697A1 (it) | 1977-08-03 |
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