BE654875A - - Google Patents

Info

Publication number
BE654875A
BE654875A BE654875DA BE654875A BE 654875 A BE654875 A BE 654875A BE 654875D A BE654875D A BE 654875DA BE 654875 A BE654875 A BE 654875A
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 BE654875A publication Critical patent/BE654875A/xx

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)
  • Digital Magnetic Recording (AREA)
BE654875D 1963-11-05 1964-10-27 BE654875A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR952688A FR1387879A (fr) 1963-11-05 1963-11-05 Arrangement de commande d'écriture en modulation de phase

Publications (1)

Publication Number Publication Date
BE654875A true BE654875A (da) 1965-02-15

Family

ID=8815812

Family Applications (1)

Application Number Title Priority Date Filing Date
BE654875D BE654875A (da) 1963-11-05 1964-10-27

Country Status (3)

Country Link
US (1) US3345638A (da)
BE (1) BE654875A (da)
FR (1) FR1387879A (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482228A (en) * 1965-10-21 1969-12-02 Sperry Rand Corp Write circuit for a phase modulation system
US3518648A (en) * 1966-11-07 1970-06-30 Subscription Television Inc High density record and reproduce system
GB1143694A (da) * 1966-11-14
US3631429A (en) * 1968-11-19 1971-12-28 Pacific Micronetics Inc System for reproducibly storing digital data
US3879342A (en) * 1973-12-28 1975-04-22 Honeywell Inf Systems Pre-recorded digital data compensation system
US4218770A (en) * 1978-09-08 1980-08-19 Bell Telephone Laboratories, Incorporated Delay modulation data transmission system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159840A (en) * 1960-11-14 1964-12-01 Honeywell Inc Pattern sensitivity compensation in high pulse density recording
US3235855A (en) * 1961-10-02 1966-02-15 Honeywell Inc Binary magnetic recording apparatus
US3237176A (en) * 1962-01-26 1966-02-22 Rca Corp Binary recording system
US3299414A (en) * 1964-02-03 1967-01-17 Anelex Corp Phase modulated binary magnetic recording and reproducing system

Also Published As

Publication number Publication date
US3345638A (en) 1967-10-03
FR1387879A (fr) 1965-02-05

Similar Documents

Publication Publication Date Title
AR142945A1 (da)
AT260747B (da)
BE627012A (da)
BE627151A (da)
BE624811A (da)
BE31062A (da)
BE462764A (da)
BE507458A (da)
BE533484A (da)
BE547422A (da)
BE571209A (da)
BE582314A (da)
BE603935A (da)
BE653713A (da)
BE654875A (da)
BE608372A (da)
BE612803A (da)
BE614220A (da)
BE616247A (da)
BE616830A (da)
BE616967A (da)
BE619061A (da)
BE620325A (da)
BE621232A (da)
BE621517A (da)