IT8023331A0 - Disposizione circuitale atta a sincronizzare l'unita' di temporizzazione di una centrale telefonica di tipo numerico,ad impulsi di riferimento. - Google Patents

Disposizione circuitale atta a sincronizzare l'unita' di temporizzazione di una centrale telefonica di tipo numerico,ad impulsi di riferimento.

Info

Publication number
IT8023331A0
IT8023331A0 IT8023331A IT2333180A IT8023331A0 IT 8023331 A0 IT8023331 A0 IT 8023331A0 IT 8023331 A IT8023331 A IT 8023331A IT 2333180 A IT2333180 A IT 2333180A IT 8023331 A0 IT8023331 A0 IT 8023331A0
Authority
IT
Italy
Prior art keywords
synchronizing
circuit arrangement
timing unit
reference pulses
arrangement suitable
Prior art date
Application number
IT8023331A
Other languages
English (en)
Other versions
IT1148884B (it
Inventor
Canato Luigi
Montrone Giuseppe
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Priority to IT23331/80A priority Critical patent/IT1148884B/it
Publication of IT8023331A0 publication Critical patent/IT8023331A0/it
Priority to BR8104181A priority patent/BR8104181A/pt
Priority to DE19813126982 priority patent/DE3126982A1/de
Priority to GB8121260A priority patent/GB2081036A/en
Priority to FR8113477A priority patent/FR2486750A1/fr
Application granted granted Critical
Publication of IT1148884B publication Critical patent/IT1148884B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
IT23331/80A 1980-07-09 1980-07-09 Unita' di controllo della segnalazione di tipo multifrequenza, di particolare applicazione nelle centrali telefonichde transito di tipo numerico IT1148884B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT23331/80A IT1148884B (it) 1980-07-09 1980-07-09 Unita' di controllo della segnalazione di tipo multifrequenza, di particolare applicazione nelle centrali telefonichde transito di tipo numerico
BR8104181A BR8104181A (pt) 1980-07-09 1981-07-01 Disposicao de circuito para sincronizacao da unidade de regulacao em uma central telefonica do tipo numerico
DE19813126982 DE3126982A1 (de) 1980-07-09 1981-07-08 "schaltungsanordnung zum synchronisieren der taktgebereinheit einer fernsprechvermittlungsstelle"
GB8121260A GB2081036A (en) 1980-07-09 1981-07-09 Circuit Arrangements for Synchronizing Timing Units in Telephone Exchanges
FR8113477A FR2486750A1 (fr) 1980-07-09 1981-07-09 Disposition de circuit apte a synchroniser l'unite de synchronisation d'un central telephonique de type numerique, a impulsions de reference

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23331/80A IT1148884B (it) 1980-07-09 1980-07-09 Unita' di controllo della segnalazione di tipo multifrequenza, di particolare applicazione nelle centrali telefonichde transito di tipo numerico

Publications (2)

Publication Number Publication Date
IT8023331A0 true IT8023331A0 (it) 1980-07-09
IT1148884B IT1148884B (it) 1986-12-03

Family

ID=11206139

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23331/80A IT1148884B (it) 1980-07-09 1980-07-09 Unita' di controllo della segnalazione di tipo multifrequenza, di particolare applicazione nelle centrali telefonichde transito di tipo numerico

Country Status (5)

Country Link
BR (1) BR8104181A (it)
DE (1) DE3126982A1 (it)
FR (1) FR2486750A1 (it)
GB (1) GB2081036A (it)
IT (1) IT1148884B (it)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789775A (fr) * 1971-10-06 1973-04-06 Siemens Ag Dispositif de synchronisation mutuelle des oscillateurs de cadence de centraux d'un systeme de telecommunications pcm a multiplexage dans le temps
DE2247666C2 (de) * 1972-09-28 1975-02-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur gegenseitigen Synchronisierung der In den Vermittlungsstellen eines PCM-Zeitmultlplex-FernmeMenetzes vorgesehenen Amtstaktoszillatoren
LU74292A1 (it) * 1975-07-25 1976-06-18
DE2641547C2 (de) * 1976-09-15 1980-11-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Übernahme von PCM Informationen
DE2641488C2 (de) * 1976-09-15 1978-11-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Phasenausgleich bei PCM-Vermittlungsstellen
DE2743252A1 (de) * 1977-09-26 1979-04-05 Siemens Ag Verfahren zur synchronisierung von in vermittlungsstellen eines fernmeldenetzes vorgesehenen amtstaktgebern

Also Published As

Publication number Publication date
FR2486750A1 (fr) 1982-01-15
BR8104181A (pt) 1982-03-16
DE3126982A1 (de) 1982-06-09
IT1148884B (it) 1986-12-03
GB2081036A (en) 1982-02-10

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