BE655860A - - Google Patents
Info
- Publication number
- BE655860A BE655860A BE655860DA BE655860A BE 655860 A BE655860 A BE 655860A BE 655860D A BE655860D A BE 655860DA BE 655860 A BE655860 A BE 655860A
- Authority
- BE
- Belgium
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/11—Starch or derivatives thereof
-
- 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
- G11B20/1415—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 conversion to or from pulse frequency coding
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- 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)
- Textile Engineering (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US332445A US3277454A (en) | 1963-12-23 | 1963-12-23 | Binary code magnetic recording system |
Publications (1)
Publication Number | Publication Date |
---|---|
BE655860A true BE655860A (xx) | 1965-03-16 |
Family
ID=23298263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE655860D BE655860A (xx) | 1963-12-23 | 1964-11-17 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3277454A (xx) |
BE (1) | BE655860A (xx) |
DE (1) | DE1449723A1 (xx) |
GB (1) | GB1080138A (xx) |
NL (1) | NL6412953A (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413624A (en) * | 1964-02-10 | 1968-11-26 | Chad W Pennebaker | Automatic magnetic recording and playback control system for a keyboard actuated business machine |
US3413655A (en) * | 1966-01-05 | 1968-11-26 | Army Usa | Binary code magnetic recording circuitry |
US3936873A (en) * | 1969-04-28 | 1976-02-03 | Sandvik Aktiebolag By Change Of Name From Sandvikens, Jernverks Aktiebolag | Conveyor belt system |
US3855616A (en) * | 1973-10-01 | 1974-12-17 | Ibm | Phase shift reducing digital signal recording having no d.c. component |
US4635140A (en) * | 1982-05-08 | 1987-01-06 | Victor Company Of Japan, Limited | Digital recording/playback system with limited frequency range |
US4586091A (en) * | 1984-05-03 | 1986-04-29 | Kalhas Oracle, Inc. | System and method for high density data recording |
US5621580A (en) * | 1994-08-26 | 1997-04-15 | Cruz; Joao R. | Ternary code magnetic recording system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2917726A (en) * | 1955-03-25 | 1959-12-15 | Underwood Corp | Magnetic recording system |
US3217329A (en) * | 1960-05-03 | 1965-11-09 | Potter Instrument Co Inc | Dual track high density recording system |
-
1963
- 1963-12-23 US US332445A patent/US3277454A/en not_active Expired - Lifetime
-
1964
- 1964-09-16 GB GB37786/64A patent/GB1080138A/en not_active Expired
- 1964-11-06 NL NL6412953A patent/NL6412953A/xx unknown
- 1964-11-17 BE BE655860D patent/BE655860A/xx unknown
- 1964-12-23 DE DE19641449723 patent/DE1449723A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1449723A1 (de) | 1970-04-02 |
US3277454A (en) | 1966-10-04 |
GB1080138A (en) | 1967-08-23 |
NL6412953A (xx) | 1965-06-24 |