GB1561471A - Synchronisation of digital signals - Google Patents
Synchronisation of digital signals Download PDFInfo
- Publication number
- GB1561471A GB1561471A GB2835/77A GB283577A GB1561471A GB 1561471 A GB1561471 A GB 1561471A GB 2835/77 A GB2835/77 A GB 2835/77A GB 283577 A GB283577 A GB 283577A GB 1561471 A GB1561471 A GB 1561471A
- Authority
- GB
- United Kingdom
- Prior art keywords
- code groups
- code
- signal
- output
- digital
- Prior art date
- 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
- 230000001360 synchronised effect Effects 0.000 claims description 19
- 238000012546 transfer Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- 230000000717 retained effect Effects 0.000 claims description 2
- 230000002123 temporal effect Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 19
- 230000006870 function Effects 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000009432 framing Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- H04J3/0626—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers plesiochronous multiplexing systems, e.g. plesiochronous digital hierarchy [PDH], jitter attenuators
- H04J3/0629—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers plesiochronous multiplexing systems, e.g. plesiochronous digital hierarchy [PDH], jitter attenuators in a network, e.g. in combination with switching or multiplexing, slip buffers
-
- 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)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/653,349 US4006314A (en) | 1976-01-29 | 1976-01-29 | Digital interface for resynchronizing digital signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1561471A true GB1561471A (en) | 1980-02-20 |
Family
ID=24620489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2835/77A Expired GB1561471A (en) | 1976-01-29 | 1977-01-24 | Synchronisation of digital signals |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4006314A (enExample) |
| JP (1) | JPS5927519B2 (enExample) |
| BE (1) | BE850718A (enExample) |
| CA (1) | CA1061004A (enExample) |
| CH (1) | CH614574A5 (enExample) |
| DE (1) | DE2703567A1 (enExample) |
| ES (1) | ES455385A1 (enExample) |
| FR (1) | FR2339999A1 (enExample) |
| GB (1) | GB1561471A (enExample) |
| IT (1) | IT1075616B (enExample) |
| NL (1) | NL7700918A (enExample) |
| SE (1) | SE413964B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4154985A (en) * | 1978-04-28 | 1979-05-15 | Northern Telecom Limited | Interface circuit for digital telephone facilities |
| US4313173A (en) * | 1980-06-10 | 1982-01-26 | Bell Telephone Laboratories, Incorporated | Linear interpolator |
| EP0476214B1 (en) * | 1990-09-18 | 1995-08-09 | ALCATEL BELL Naamloze Vennootschap | Interpolator increasing the output word rate of a digital signal |
| US5426633A (en) * | 1992-06-02 | 1995-06-20 | Nec Corporation | System for processing synchronization signals with phase synchronization in a mobile communication network |
| US5636327A (en) * | 1991-09-18 | 1997-06-03 | Matsushita Electric Industrial Co., Ltd. | Neural network circuit |
| US6711155B1 (en) * | 1999-12-29 | 2004-03-23 | Nortel Networks Limited | Distributed PBX, KSU and the like system utilizing internet protocol |
| MXPA02011914A (es) * | 2000-06-02 | 2003-05-27 | Gen Instrument Corp | Metodo y aparato para sumar muestras de se°al asincrona en una trayectoria de regreso digital de television por cable. |
| JP2009239449A (ja) * | 2008-03-26 | 2009-10-15 | Nec Electronics Corp | 高精度同期型ネットワーク装置、ネットワークシステム及びフレーム転送方法 |
| US9177570B2 (en) | 2011-04-15 | 2015-11-03 | St-Ericsson Sa | Time scaling of audio frames to adapt audio processing to communications network timing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1462579B2 (de) * | 1966-10-11 | 1977-03-03 | Fujitsu Ltd., Kawasaki, Kanagawa (Japan) | Sendeseitige schaltung zur zusammenfassung und empfangsseitige schaltung zur auftrennung eines zeitmultiplexsignals |
| US3936604A (en) * | 1970-01-02 | 1976-02-03 | Stromberg-Carlson Corporation | Synchronization of clocks in digital signalling networks |
| 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 |
| US3916107A (en) * | 1972-10-06 | 1975-10-28 | Bell Telephone Labor Inc | Digital system for reclocking pulse code modulation circuits |
| FR2273419B1 (enExample) * | 1973-01-25 | 1976-09-10 | Trt Telecom Radio Electr | |
| US3928727A (en) * | 1974-12-23 | 1975-12-23 | Roche Alain | Synchronization device for time-multiplexed signal transmission and switching systems |
-
1976
- 1976-01-29 US US05/653,349 patent/US4006314A/en not_active Expired - Lifetime
- 1976-12-31 CA CA269,037A patent/CA1061004A/en not_active Expired
-
1977
- 1977-01-24 GB GB2835/77A patent/GB1561471A/en not_active Expired
- 1977-01-25 IT IT19600/77A patent/IT1075616B/it active
- 1977-01-25 BE BE174351A patent/BE850718A/xx not_active IP Right Cessation
- 1977-01-27 FR FR7702301A patent/FR2339999A1/fr active Granted
- 1977-01-27 ES ES455385A patent/ES455385A1/es not_active Expired
- 1977-01-28 JP JP52007894A patent/JPS5927519B2/ja not_active Expired
- 1977-01-28 DE DE19772703567 patent/DE2703567A1/de not_active Withdrawn
- 1977-01-28 SE SE7700923A patent/SE413964B/xx not_active IP Right Cessation
- 1977-01-28 NL NL7700918A patent/NL7700918A/xx not_active Application Discontinuation
- 1977-01-31 CH CH114077A patent/CH614574A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52115606A (en) | 1977-09-28 |
| FR2339999A1 (fr) | 1977-08-26 |
| CA1061004A (en) | 1979-08-21 |
| SE7700923L (sv) | 1977-07-30 |
| DE2703567A1 (de) | 1977-08-04 |
| JPS5927519B2 (ja) | 1984-07-06 |
| US4006314A (en) | 1977-02-01 |
| NL7700918A (nl) | 1977-08-02 |
| FR2339999B1 (enExample) | 1980-03-14 |
| IT1075616B (it) | 1985-04-22 |
| SE413964B (sv) | 1980-06-30 |
| CH614574A5 (enExample) | 1979-11-30 |
| BE850718A (fr) | 1977-05-16 |
| ES455385A1 (es) | 1978-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |