LU62820A1 - - Google Patents

Info

Publication number
LU62820A1
LU62820A1 LU62820DA LU62820A1 LU 62820 A1 LU62820 A1 LU 62820A1 LU 62820D A LU62820D A LU 62820DA LU 62820 A1 LU62820 A1 LU 62820A1
Authority
LU
Luxembourg
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 LU62820A1 publication Critical patent/LU62820A1/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/02Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Manipulation Of Pulses (AREA)
LU62820D 1970-03-23 1971-03-19 LU62820A1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2013880A DE2013880C3 (de) 1970-03-23 1970-03-23 Schaltungsanordnung zum Erzeugen von Taktimpulsen

Publications (1)

Publication Number Publication Date
LU62820A1 true LU62820A1 (xx) 1971-11-08

Family

ID=5766013

Family Applications (1)

Application Number Title Priority Date Filing Date
LU62820D LU62820A1 (xx) 1970-03-23 1971-03-19

Country Status (7)

Country Link
US (1) US3671873A (xx)
BE (1) BE764683A (xx)
DE (1) DE2013880C3 (xx)
FR (1) FR2084966A5 (xx)
GB (1) GB1301598A (xx)
LU (1) LU62820A1 (xx)
NL (1) NL163398C (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742461A (en) * 1972-02-22 1973-06-26 Us Navy Calibrate lock-on circuit and decommutator
DE2312326C2 (de) * 1973-03-13 1985-10-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Phasendiskriminator
SE372393B (xx) * 1973-11-22 1974-12-16 Ericsson Telefon Ab L M
JPS561823B2 (xx) * 1973-12-30 1981-01-16
US3952253A (en) * 1974-11-21 1976-04-20 The United States Of America As Represented By The United States Energy Research And Development Administration Method and means for generating a synchronizing pulse from a repetitive wave of varying frequency
US4024510A (en) * 1975-08-28 1977-05-17 International Business Machines Corporation Function multiplexer
DE2616398C2 (de) * 1976-04-14 1978-06-01 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Regelung der Impulsfolgefrequenz eines Signals
US4206414A (en) * 1976-09-01 1980-06-03 Racal Group Services Limited Electrical synchronizing circuits
FR2420253A1 (fr) * 1978-03-17 1979-10-12 Materiel Telephonique Asservissement a boucle de phase numerique programmable
JPS5720052A (en) 1980-07-11 1982-02-02 Toshiba Corp Input data synchronizing circuit
DE3202945C2 (de) * 1982-01-29 1985-12-05 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zur Erzeugung von Fensterimpulsen (Daten- und gegebenenfalls Taktfensterimpulsen) für eine Separatorschaltung zur Trennung der Datenimpulse von Begleitimpulsen beim Lesen von Magnetband- oder Plattenspeichern, insbesondere von Floppy-Disk-Speichern
FR2579042B1 (fr) * 1985-03-18 1987-05-15 Bull Micral Procede d'extraction d'un signal d'horloge synchrone a partir d'un signal code en simple ou double intensite, et dispositif permettant la mise en oeuvre du procede

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943809B1 (xx) * 1968-10-25 1974-11-25
US3566280A (en) * 1969-03-07 1971-02-23 Martin Marietta Corp Digital communications clock synchronizer for responding to pulses of predetermined width and further predictable pulses of sufficient energy level during particular interval

Also Published As

Publication number Publication date
US3671873A (en) 1972-06-20
NL7103740A (xx) 1971-09-27
GB1301598A (xx) 1972-12-29
BE764683A (fr) 1971-09-23
DE2013880B2 (de) 1973-08-02
NL163398B (nl) 1980-03-17
NL163398C (nl) 1980-08-15
DE2013880C3 (de) 1974-02-21
DE2013880A1 (de) 1971-09-30
FR2084966A5 (xx) 1971-12-17

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