IT1035871B - Perfezionamento nei sistemi di comuniczioni digitali - Google Patents
Perfezionamento nei sistemi di comuniczioni digitaliInfo
- Publication number
- IT1035871B IT1035871B IT49827/75A IT4982775A IT1035871B IT 1035871 B IT1035871 B IT 1035871B IT 49827/75 A IT49827/75 A IT 49827/75A IT 4982775 A IT4982775 A IT 4982775A IT 1035871 B IT1035871 B IT 1035871B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- communications systems
- digital communications
- digital
- systems
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0676—Mutual
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB23714/74A GB1508986A (en) | 1974-05-29 | 1974-05-29 | Digital network synchronising system |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1035871B true IT1035871B (it) | 1979-10-20 |
Family
ID=10200120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49827/75A IT1035871B (it) | 1974-05-29 | 1975-05-28 | Perfezionamento nei sistemi di comuniczioni digitali |
Country Status (9)
Country | Link |
---|---|
US (1) | US3980835A (it) |
JP (1) | JPS5129805A (it) |
BE (1) | BE829680A (it) |
CA (1) | CA1054525A (it) |
DE (1) | DE2523590C2 (it) |
FR (1) | FR2275945A1 (it) |
GB (1) | GB1508986A (it) |
IT (1) | IT1035871B (it) |
SE (1) | SE409635B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1577331A (en) * | 1976-06-19 | 1980-10-22 | Plessey Co Ltd | Synchronisation arrangements for digital switching centres |
DE2743252A1 (de) * | 1977-09-26 | 1979-04-05 | Siemens Ag | Verfahren zur synchronisierung von in vermittlungsstellen eines fernmeldenetzes vorgesehenen amtstaktgebern |
US4259738A (en) * | 1979-05-18 | 1981-03-31 | Raytheon Company | Multiplexer system providing improved bit count integrity |
FR2490046A1 (fr) * | 1980-09-05 | 1982-03-12 | Thomson Csf | Dispositif de distribution de donnees numeriques et reseau numerique de transmission comportant un tel dispositif de distribution |
GB2199469A (en) * | 1986-12-23 | 1988-07-06 | Philips Electronic Associated | Clock signal generator |
DE3842694A1 (de) * | 1988-12-19 | 1990-06-21 | Standard Elektrik Lorenz Ag | Demultiplexer mit schaltung zur verringerung des wartezeitjitters |
JPH0779209A (ja) * | 1993-09-08 | 1995-03-20 | Fujitsu Ltd | フレーム/マルチフレーム位相補正方式 |
GB2324214A (en) * | 1997-04-08 | 1998-10-14 | Power X Limited | Synchronising arrangements |
CN110008166B (zh) * | 2014-08-01 | 2023-07-18 | 康杜实验室公司 | 带内嵌时钟的正交差分向量信令码 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3050586A (en) * | 1960-05-20 | 1962-08-21 | Bell Telephone Labor Inc | Reciprocal timing of time division switching centers |
GB1130401A (en) * | 1965-08-17 | 1968-10-16 | Post Office | Digital communications systems |
GB1154711A (en) * | 1965-10-13 | 1969-06-11 | Majesty S Postmaster General | Digital Communications Systems |
GB1170284A (en) * | 1965-11-10 | 1969-11-12 | Nippon Telegraph & Telephone | Improvements in or relating to Time Division Multiplex Communication Systems. |
US3504125A (en) * | 1967-02-10 | 1970-03-31 | Bell Telephone Labor Inc | Network synchronization in a time division switching system |
GB1285720A (en) * | 1968-12-18 | 1972-08-16 | Post Office | Improvements in or relating to digital communication systems |
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 |
-
1974
- 1974-05-29 GB GB23714/74A patent/GB1508986A/en not_active Expired
-
1975
- 1975-05-26 SE SE7505978A patent/SE409635B/xx not_active IP Right Cessation
- 1975-05-27 US US05/580,942 patent/US3980835A/en not_active Expired - Lifetime
- 1975-05-28 CA CA227,951A patent/CA1054525A/en not_active Expired
- 1975-05-28 IT IT49827/75A patent/IT1035871B/it active
- 1975-05-28 DE DE2523590A patent/DE2523590C2/de not_active Expired
- 1975-05-29 FR FR7516779A patent/FR2275945A1/fr active Granted
- 1975-05-29 JP JP50064807A patent/JPS5129805A/ja active Granted
- 1975-05-29 BE BE156870A patent/BE829680A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US3980835A (en) | 1976-09-14 |
CA1054525A (en) | 1979-05-15 |
DE2523590A1 (de) | 1975-12-11 |
FR2275945B1 (it) | 1981-10-23 |
JPS5639113B2 (it) | 1981-09-10 |
SE7505978L (sv) | 1975-12-01 |
JPS5129805A (en) | 1976-03-13 |
GB1508986A (en) | 1978-04-26 |
DE2523590C2 (de) | 1985-11-21 |
SE409635B (sv) | 1979-08-27 |
BE829680A (fr) | 1975-09-15 |
FR2275945A1 (fr) | 1976-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940429 |