IT8023331A0 - CIRCUIT ARRANGEMENT SUITABLE FOR SYNCHRONIZING THE TIMING UNIT OF A NUMERICAL TYPE TELEPHONE SWITCHBOARD WITH REFERENCE PULSES. - Google Patents

CIRCUIT ARRANGEMENT SUITABLE FOR SYNCHRONIZING THE TIMING UNIT OF A NUMERICAL TYPE TELEPHONE SWITCHBOARD WITH REFERENCE PULSES.

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
Italian (it)
Other versions
IT1148884B (en
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/en
Publication of IT8023331A0 publication Critical patent/IT8023331A0/en
Priority to BR8104181A priority patent/BR8104181A/en
Priority to DE19813126982 priority patent/DE3126982A1/en
Priority to FR8113477A priority patent/FR2486750A1/en
Priority to GB8121260A priority patent/GB2081036A/en
Application granted granted Critical
Publication of IT1148884B publication Critical patent/IT1148884B/en

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 MULTIFREQUENCY TYPE SIGNALING CONTROL UNIT, OF PARTICULAR APPLICATION IN NUMERIC TYPE TRANSIT TELEPHONE UNITS IT1148884B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT23331/80A IT1148884B (en) 1980-07-09 1980-07-09 MULTIFREQUENCY TYPE SIGNALING CONTROL UNIT, OF PARTICULAR APPLICATION IN NUMERIC TYPE TRANSIT TELEPHONE UNITS
BR8104181A BR8104181A (en) 1980-07-09 1981-07-01 CIRCUIT ARRANGEMENT FOR SYNCHRONIZATION OF THE REGULATORY UNIT AT A NUMBER TYPE TELEPHONE CENTER
DE19813126982 DE3126982A1 (en) 1980-07-09 1981-07-08 "CIRCUIT ARRANGEMENT FOR SYNCHRONIZING THE CLOCK UNIT OF A TELEPHONE SWITCH CENTER"
FR8113477A FR2486750A1 (en) 1980-07-09 1981-07-09 CIRCUIT ARRANGEMENT CAPABLE OF SYNCHRONIZING THE SYNCHRONIZATION UNIT OF A DIGITAL TYPE TELEPHONE CONTROL UNIT WITH REFERENCE PULSES
GB8121260A GB2081036A (en) 1980-07-09 1981-07-09 Circuit Arrangements for Synchronizing Timing Units in Telephone Exchanges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23331/80A IT1148884B (en) 1980-07-09 1980-07-09 MULTIFREQUENCY TYPE SIGNALING CONTROL UNIT, OF PARTICULAR APPLICATION IN NUMERIC TYPE TRANSIT TELEPHONE UNITS

Publications (2)

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

Family

ID=11206139

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23331/80A IT1148884B (en) 1980-07-09 1980-07-09 MULTIFREQUENCY TYPE SIGNALING CONTROL UNIT, OF PARTICULAR APPLICATION IN NUMERIC TYPE TRANSIT TELEPHONE UNITS

Country Status (5)

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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789775A (en) * 1971-10-06 1973-04-06 Siemens Ag MUTUAL SYNCHRONIZATION OF THE CENTRAL RATE OSCILLATORS OF A PCM TELECOMMUNICATIONS SYSTEM WITH MULTIPLEXING IN TIME
DE2247666C2 (en) * 1972-09-28 1975-02-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for the mutual synchronization of the exchange clock oscillators provided in the exchanges of a PCM time division multiplex telecommunications network
LU74292A1 (en) * 1975-07-25 1976-06-18
DE2641488C2 (en) * 1976-09-15 1978-11-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for phase compensation in PCM exchanges
DE2641547C2 (en) * 1976-09-15 1980-11-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Procedure for taking over PCM information
DE2743252A1 (en) * 1977-09-26 1979-04-05 Siemens Ag METHOD FOR SYNCHRONIZING OFFICE CLOCKS PROVIDED IN SWITCHING OFFICES OF A TELECOMMUNICATION NETWORK

Also Published As

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

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