BR8104181A - Disposicao de circuito para sincronizacao da unidade de regulacao em uma central telefonica do tipo numerico - Google Patents
Disposicao de circuito para sincronizacao da unidade de regulacao em uma central telefonica do tipo numericoInfo
- Publication number
- BR8104181A BR8104181A BR8104181A BR8104181A BR8104181A BR 8104181 A BR8104181 A BR 8104181A BR 8104181 A BR8104181 A BR 8104181A BR 8104181 A BR8104181 A BR 8104181A BR 8104181 A BR8104181 A BR 8104181A
- Authority
- BR
- Brazil
- Prior art keywords
- synchronization
- circuit arrangement
- number type
- type telephone
- regulatory unit
- Prior art date
Links
- 230000001105 regulatory effect Effects 0.000 title 1
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)
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 (1)
Publication Number | Publication Date |
---|---|
BR8104181A true BR8104181A (pt) | 1982-03-16 |
Family
ID=11206139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (5)
Country | Link |
---|---|
BR (1) | BR8104181A (pt) |
DE (1) | DE3126982A1 (pt) |
FR (1) | FR2486750A1 (pt) |
GB (1) | GB2081036A (pt) |
IT (1) | IT1148884B (pt) |
Family Cites Families (6)
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 (pt) * | 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 |
-
1980
- 1980-07-09 IT IT23331/80A patent/IT1148884B/it active
-
1981
- 1981-07-01 BR BR8104181A patent/BR8104181A/pt unknown
- 1981-07-08 DE DE19813126982 patent/DE3126982A1/de not_active Withdrawn
- 1981-07-09 FR FR8113477A patent/FR2486750A1/fr not_active Withdrawn
- 1981-07-09 GB GB8121260A patent/GB2081036A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT8023331A0 (it) | 1980-07-09 |
DE3126982A1 (de) | 1982-06-09 |
IT1148884B (it) | 1986-12-03 |
GB2081036A (en) | 1982-02-10 |
FR2486750A1 (fr) | 1982-01-15 |
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