FR2488466B1 - - Google Patents
Info
- Publication number
- FR2488466B1 FR2488466B1 FR8111996A FR8111996A FR2488466B1 FR 2488466 B1 FR2488466 B1 FR 2488466B1 FR 8111996 A FR8111996 A FR 8111996A FR 8111996 A FR8111996 A FR 8111996A FR 2488466 B1 FR2488466 B1 FR 2488466B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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
- H04L7/0079—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
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
- H04J3/0605—Special codes used as synchronising signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23104/80A IT1151019B (it) | 1980-06-30 | 1980-06-30 | Circuito di temporizzazione per la ricezione di segnali pcm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2488466A1 FR2488466A1 (fr) | 1982-02-12 |
| FR2488466B1 true FR2488466B1 (US06534493-20030318-C00166.png) | 1984-04-20 |
Family
ID=11203820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8111996A Granted FR2488466A1 (fr) | 1980-06-30 | 1981-06-18 | Circuit de synchronisation pour la reception de signaux mic |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3212450A1 (de) * | 1982-04-02 | 1983-10-13 | Siemens AG, 1000 Berlin und 8000 München | Synchronisiereinrichtung einer digitalsignal-demultiplexeinrichung |
| DE3215975C1 (en) * | 1982-04-29 | 1990-12-20 | Siemens Ag | Multi-channel directional ratio system - combines available channels on transmitting side in digital form in time-multiplexing framework |
| FR2657741B1 (fr) * | 1990-01-29 | 1992-04-03 | Cit Alcatel | Interface de restructuration de trames pour trains numeriques multiplexes par multiplexage temporel d'affluents numeriques a differents debits. |
| US5251210A (en) * | 1991-11-01 | 1993-10-05 | Ibm Corporation | Method and apparatus for transforming low bandwidth telecommunications channels into a high bandwidth telecommunication channel |
| US5539783A (en) * | 1995-05-18 | 1996-07-23 | Hazeltine Corporation | Non-coherent synchronization signal detector |
| US6647028B1 (en) | 1997-09-30 | 2003-11-11 | Cisco Technology, Inc. | System and method for recovering and restoring lost data in a N-channel coherent data transmission system |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB974742A (en) * | 1960-02-12 | 1964-11-11 | Nippon Electric Co | A synchronising system for a time division multiplex code modulation system |
| FR2291654A1 (fr) * | 1974-11-14 | 1976-06-11 | Trt Telecom Radio Electr | Systeme de transmission multiplex |
| FR2296973A1 (fr) * | 1974-12-31 | 1976-07-30 | Telecommunications Sa | Systeme de transmission numerique permettant le transfert de voies composantes entre voies multiplexees |
| IT1037256B (it) * | 1975-04-14 | 1979-11-10 | Sits Soc It Telecom Siemens | Rete di transito per sistemi di telecomunicazioni a divisione di tempo |
| FR2320023A1 (fr) * | 1975-07-28 | 1977-02-25 | Constr Telephoniques | Procede et dispositif de resynchronisation d'informations entrantes structurees en trames |
| CH621445A5 (US06534493-20030318-C00166.png) * | 1976-09-09 | 1981-01-30 | Gretag Ag | |
| US4095051A (en) * | 1976-12-15 | 1978-06-13 | Bell Telephone Laboratories, Incorporated | Demultiplexer circuit |
| US4133978A (en) * | 1977-08-25 | 1979-01-09 | General Electric Company | Circuit for separating a composite stream of data and clock pulses |
| NL176420C (nl) * | 1977-09-29 | 1985-04-01 | Nederlanden Staat | Synchronisatieinrichting voor het afgeven van een met een in een inkomend digitaal signaal aanwezig synchronisatieteken overeenkomend synchronisatiesignaal. |
| DE2900970C3 (de) * | 1977-11-24 | 1982-04-08 | Siemens AG, 1000 Berlin und 8000 München | Prüfsignalgenerator |
| US4224473A (en) * | 1978-05-31 | 1980-09-23 | Digital Communications Corporation | TDMA Multiplexer-demultiplexer with multiple ports |
| CH643696A5 (en) * | 1979-02-08 | 1984-06-15 | Siemens Ag Albis | Synchronisation device for a PCM system |
| DE2936938A1 (de) * | 1979-09-12 | 1981-04-02 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum ausgleich der phasenunterschiede zwischen dem streckentakt auf einer mit einer pcm-vermittlungsstelle verbindenden pcm-zeitmultiplexleitung und dem amtstakt dieser vermittlungsstelle |
| IT1207258B (it) * | 1979-10-11 | 1989-05-17 | Sits Soc It Telecom Siemens | Disposizione circuitale atta a riconoscere la parola di allineamento, di particolare applicazione nella sezione ricevente di un multiplatore disegnali digitali. |
-
1980
- 1980-06-30 IT IT23104/80A patent/IT1151019B/it active
-
1981
- 1981-06-18 FR FR8111996A patent/FR2488466A1/fr active Granted
- 1981-06-23 BR BR8103929A patent/BR8103929A/pt unknown
- 1981-06-29 US US06/278,065 patent/US4394758A/en not_active Expired - Fee Related
- 1981-06-30 DE DE19813125723 patent/DE3125723A1/de active Granted
- 1981-06-30 GB GB8120098A patent/GB2080076B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4394758A (en) | 1983-07-19 |
| GB2080076B (en) | 1984-05-31 |
| IT8023104A0 (it) | 1980-06-30 |
| DE3125723A1 (de) | 1982-03-11 |
| FR2488466A1 (fr) | 1982-02-12 |
| BR8103929A (pt) | 1982-03-09 |
| DE3125723C2 (US06534493-20030318-C00166.png) | 1987-02-12 |
| GB2080076A (en) | 1982-01-27 |
| IT1151019B (it) | 1986-12-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |