BE642238A - - Google Patents

Info

Publication number
BE642238A
BE642238A BE642238A BE642238A BE642238A BE 642238 A BE642238 A BE 642238A BE 642238 A BE642238 A BE 642238A BE 642238 A BE642238 A BE 642238A BE 642238 A BE642238 A BE 642238A
Authority
BE
Belgium
Application number
BE642238A
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 BE642238A publication Critical patent/BE642238A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S336/00—Inductor devices
    • Y10S336/01—Superconductive

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
BE642238A 1963-01-23 1964-01-08 BE642238A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US253381A US3159793A (en) 1963-01-23 1963-01-23 Phase modulation reading system employing controlled gating for inhibiting spurious outputs occurring between information pulses

Publications (1)

Publication Number Publication Date
BE642238A true BE642238A (sv) 1964-05-04

Family

ID=22960030

Family Applications (1)

Application Number Title Priority Date Filing Date
BE642238A BE642238A (sv) 1963-01-23 1964-01-08

Country Status (5)

Country Link
US (1) US3159793A (sv)
BE (1) BE642238A (sv)
DE (1) DE1278511B (sv)
GB (1) GB1034211A (sv)
NL (1) NL301228A (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283255A (en) * 1962-07-05 1966-11-01 Sperry Rand Corp Phase modulation system for reading particular information
US3343091A (en) * 1964-06-05 1967-09-19 Automatic Elect Lab Diphase transmission system with noise pulse cancellation
DE1300139B (de) * 1964-03-18 1969-07-31 Automatic Elect Lab Schaltungsanordnung zum Demodulieren eines durch binaercodierte Informationen phasenmodulierten Traegersignals
US3541351A (en) * 1968-07-03 1970-11-17 Magnetic Analysis Corp Quadrature pulse generator
US3805588A (en) * 1970-07-17 1974-04-23 N Stone Apparatus for producing output test signals for testing aircraft instrument landing system and navigation equipment
US3670249A (en) * 1971-05-06 1972-06-13 Rca Corp Sampling decoder for delay modulation signals
GB1489177A (en) * 1973-10-16 1977-10-19 Gen Electric Co Ltd Digital data signalling systems and apparatus therefor
US3898478A (en) * 1973-12-26 1975-08-05 Bendix Corp Apparatus for accelerating D.C. transient decay by independent keying of a balanced demodulator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2760087A (en) * 1951-11-19 1956-08-21 Bell Telephone Labor Inc Transistor memory circuits
US2911623A (en) * 1955-03-07 1959-11-03 Ibm Marker pulse circuit
US3050639A (en) * 1958-10-30 1962-08-21 Ibm Single shot multivibrator with pulse width control
US3097340A (en) * 1961-05-31 1963-07-09 Westinghouse Electric Corp Generating system producing constant width pulses from input pulses of indeterminate height and duration

Also Published As

Publication number Publication date
US3159793A (en) 1964-12-01
NL301228A (sv)
GB1034211A (en) 1966-06-29
DE1278511B (de) 1968-09-26

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