BE764683A - Montage pour la production d'impulsions rythmeuses - Google Patents

Montage pour la production d'impulsions rythmeuses

Info

Publication number
BE764683A
BE764683A BE764683A BE764683A BE764683A BE 764683 A BE764683 A BE 764683A BE 764683 A BE764683 A BE 764683A BE 764683 A BE764683 A BE 764683A BE 764683 A BE764683 A BE 764683A
Authority
BE
Belgium
Prior art keywords
assembly
production
rhythm pulses
rhythm
pulses
Prior art date
Application number
BE764683A
Other languages
English (en)
French (fr)
Original Assignee
Siemens Ag
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 by Siemens Ag filed Critical Siemens Ag
Publication of BE764683A publication Critical patent/BE764683A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Manipulation Of Pulses (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
BE764683A 1970-03-23 1971-03-23 Montage pour la production d'impulsions rythmeuses BE764683A (fr)

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
BE764683A true BE764683A (fr) 1971-09-23

Family

ID=5766013

Family Applications (1)

Application Number Title Priority Date Filing Date
BE764683A BE764683A (fr) 1970-03-23 1971-03-23 Montage pour la production d'impulsions rythmeuses

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
NL7103740A (xx) 1971-09-27
DE2013880C3 (de) 1974-02-21
NL163398B (nl) 1980-03-17
GB1301598A (xx) 1972-12-29
DE2013880A1 (de) 1971-09-30
FR2084966A5 (xx) 1971-12-17
NL163398C (nl) 1980-08-15
US3671873A (en) 1972-06-20
LU62820A1 (xx) 1971-11-08
DE2013880B2 (de) 1973-08-02

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