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
Application number
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE655860A publication Critical patent/BE655860A/xx

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating 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
    • D06M15/03Polysaccharides or derivatives thereof
    • D06M15/11Starch or derivatives thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1407Digital 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
    • G11B20/1415Digital 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1407Digital 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
    • G11B20/1419Digital 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)
BE655860D 1963-12-23 1964-11-17 BE655860A (xx)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

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