DD126697A1 - - Google Patents
Info
- Publication number
- DD126697A1 DD126697A1 DD193537A DD19353776A DD126697A1 DD 126697 A1 DD126697 A1 DD 126697A1 DD 193537 A DD193537 A DD 193537A DD 19353776 A DD19353776 A DD 19353776A DD 126697 A1 DD126697 A1 DD 126697A1
- Authority
- DD
- German Democratic Republic
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD193537A DD126697A1 (https=) | 1976-06-24 | 1976-06-24 | |
| DE19772723054 DE2723054A1 (de) | 1976-06-24 | 1977-05-21 | Schaltungsanordnung zur umsetzung binaerer informationssignale in richtungstaktschriftimpulse |
| IT24339/77A IT1085573B (it) | 1976-06-24 | 1977-06-02 | Disposizione circuitale per convertire segnali binari di informazione in impulsi di scrittura tempificati direzionali |
| SE7707279A SE7707279L (sv) | 1976-06-24 | 1977-06-22 | Kopplingsanordning for omvandling av binera informationssignaler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD193537A DD126697A1 (https=) | 1976-06-24 | 1976-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD126697A1 true DD126697A1 (https=) | 1977-08-03 |
Family
ID=5504937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD193537A DD126697A1 (https=) | 1976-06-24 | 1976-06-24 |
Country Status (4)
| Country | Link |
|---|---|
| DD (1) | DD126697A1 (https=) |
| DE (1) | DE2723054A1 (https=) |
| IT (1) | IT1085573B (https=) |
| SE (1) | SE7707279L (https=) |
-
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 |
|---|---|
| IT1085573B (it) | 1985-05-28 |
| SE7707279L (sv) | 1977-12-25 |
| DE2723054A1 (de) | 1978-01-05 |