SE308738B - - Google Patents
Info
- Publication number
- SE308738B SE308738B SE13591/62A SE1359162A SE308738B SE 308738 B SE308738 B SE 308738B SE 13591/62 A SE13591/62 A SE 13591/62A SE 1359162 A SE1359162 A SE 1359162A SE 308738 B SE308738 B SE 308738B
- Authority
- SE
- Sweden
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
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
-
- 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
- G11B20/1488—Digital recording or reproducing using self-clocking codes characterised by the use of three levels
- G11B20/1492—Digital recording or reproducing using self-clocking codes characterised by the use of three levels two levels are symmetric, in respect of the sign to the third level which is "zero"
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US165490A US3156871A (en) | 1962-01-11 | 1962-01-11 | Magnetic recording system employing means for generating correction pulses only between consecutive similar information pulses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE308738B true SE308738B (xx) | 1969-02-24 |
Family
ID=22599115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE13591/62A SE308738B (xx) | 1962-01-11 | 1962-12-17 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3156871A (xx) |
| BE (1) | BE626685A (xx) |
| CH (1) | CH410058A (xx) |
| DE (1) | DE1424567C3 (xx) |
| GB (1) | GB969986A (xx) |
| NL (2) | NL143352B (xx) |
| SE (1) | SE308738B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3518700A (en) * | 1968-01-04 | 1970-06-30 | Ncr Co | Quadruple modulation recording system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2954267A (en) * | 1958-06-05 | 1960-09-27 | Olivetti Corp Of America | Modified return-to-zero digital recording system |
-
0
- BE BE626685D patent/BE626685A/xx unknown
- NL NL287595D patent/NL287595A/xx unknown
-
1962
- 1962-01-11 US US165490A patent/US3156871A/en not_active Expired - Lifetime
- 1962-12-17 SE SE13591/62A patent/SE308738B/xx unknown
- 1962-12-31 DE DE1424567A patent/DE1424567C3/de not_active Expired
- 1962-12-31 GB GB49103/62A patent/GB969986A/en not_active Expired
-
1963
- 1963-01-09 NL NL63287595A patent/NL143352B/xx not_active IP Right Cessation
- 1963-01-10 CH CH23363A patent/CH410058A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3156871A (en) | 1964-11-10 |
| DE1424567C3 (de) | 1974-01-24 |
| BE626685A (xx) | |
| DE1424567B2 (de) | 1973-06-28 |
| NL287595A (xx) | |
| DE1424567A1 (de) | 1969-04-24 |
| CH410058A (de) | 1966-03-31 |
| GB969986A (en) | 1964-09-16 |
| NL143352B (nl) | 1974-09-16 |