SE434448B - Sett och anordning for att extrahera periodiska taktsignaler fran en pcm-signal - Google Patents
Sett och anordning for att extrahera periodiska taktsignaler fran en pcm-signalInfo
- Publication number
- SE434448B SE434448B SE7810200A SE7810200A SE434448B SE 434448 B SE434448 B SE 434448B SE 7810200 A SE7810200 A SE 7810200A SE 7810200 A SE7810200 A SE 7810200A SE 434448 B SE434448 B SE 434448B
- Authority
- SE
- Sweden
- Prior art keywords
- frame
- pulse generator
- signal
- counter
- bit sequence
- Prior art date
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
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/10—Arrangements for initial synchronisation
-
- 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
- H04J3/0608—Detectors therefor, e.g. correlators, state machines
-
- 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
- H04J3/0617—Systems characterised by the synchronising information used the synchronising signal being characterised by the frequency or phase
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 |
---|---|---|---|
NLAANVRAGE7710670,A NL176420C (nl) | 1977-09-29 | 1977-09-29 | Synchronisatieinrichting voor het afgeven van een met een in een inkomend digitaal signaal aanwezig synchronisatieteken overeenkomend synchronisatiesignaal. |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7810200L SE7810200L (sv) | 1979-03-30 |
SE434448B true SE434448B (sv) | 1984-07-23 |
Family
ID=19829262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7810200A SE434448B (sv) | 1977-09-29 | 1978-09-28 | Sett och anordning for att extrahera periodiska taktsignaler fran en pcm-signal |
Country Status (8)
Country | Link |
---|---|
US (1) | US4214124A (xx) |
CH (1) | CH637255A5 (xx) |
DE (1) | DE2841079C3 (xx) |
FR (1) | FR2404972A1 (xx) |
GB (1) | GB2007465B (xx) |
IT (1) | IT1106031B (xx) |
NL (1) | NL176420C (xx) |
SE (1) | SE434448B (xx) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7903284A (nl) * | 1979-04-26 | 1980-10-28 | Philips Nv | Werkwijze voor framesynchronisatie van een digitaal tdm communicatiestelsel en inrichting voor het uitvoeren van de werkwijze. |
IT1207280B (it) * | 1979-10-29 | 1989-05-17 | Telecomunicazionesiemens S P A | Disposizione circuitale atta a sincronizzare una unita' di demultiplazione, di particolare applicazione nella sezione ricevente di un multiplatore disegnali digitali. |
NL8003477A (nl) * | 1980-06-16 | 1982-01-18 | Philips Nv | Inrichting voor het verwerken van serieele informatie welke is voorzien van synchronisatiewoorden. |
IT1151019B (it) * | 1980-06-30 | 1986-12-17 | Sits Soc It Telecom Siemens | Circuito di temporizzazione per la ricezione di segnali pcm |
GB2089178B (en) * | 1980-11-18 | 1984-07-04 | Sony Corp | Digital signal processing |
FR2499791B1 (fr) * | 1981-02-06 | 1987-10-30 | Lignes Telegraph Telephon | Procede et dispositif de synchronisation a la reception d'un signal pourvu d'un motif de synchronisation |
GB2098834B (en) * | 1981-05-14 | 1985-02-13 | Standard Telephones Cables Ltd | Subscribers loop synchronisation |
DE3212450A1 (de) * | 1982-04-02 | 1983-10-13 | Siemens AG, 1000 Berlin und 8000 München | Synchronisiereinrichtung einer digitalsignal-demultiplexeinrichung |
US4541104A (en) * | 1982-06-10 | 1985-09-10 | Nec Corporation | Framing circuit for digital system |
CA1215777A (en) * | 1983-05-16 | 1986-12-23 | Edward Gershenson | Apparatus guaranteeing that a controller in a disk drive system receives at least some data from an invalid track sector |
JPS59221047A (ja) * | 1983-05-30 | 1984-12-12 | Victor Co Of Japan Ltd | デイジタル信号伝送における同期信号検出回路 |
FR2548490A1 (fr) * | 1983-06-30 | 1985-01-04 | Thomson Csf | Circuit programmable de transformation serie-parallele d'un signal numerique, et son application a un recepteur de signaux video numeriques |
JPS6068787A (ja) * | 1983-09-26 | 1985-04-19 | Hitachi Ltd | フレ−ミングコ−ド検出回路 |
JPS60212049A (ja) * | 1984-04-06 | 1985-10-24 | Nec Corp | フレ−ム同期方式 |
DE3572277D1 (de) * | 1984-08-17 | 1989-09-14 | Cit Alcatel | Frame synchronisation device |
US4849995A (en) * | 1985-07-26 | 1989-07-18 | Fujitsu Limited | Digital signal transmission system having frame synchronization operation |
DE3678670D1 (de) * | 1985-11-14 | 1991-05-16 | Siemens Ag | Steuerschaltkreis fuer empfangsseitige rahmensynchronisation. |
JPH0691522B2 (ja) * | 1986-03-28 | 1994-11-14 | アムペツクス コーポレーシヨン | 同期信号発生装置及び方法 |
US4937843A (en) * | 1986-03-28 | 1990-06-26 | Ampex Corporation | Digital data block synchronizer |
FR2631761B1 (fr) * | 1988-05-20 | 1990-07-27 | Thomson Csf | Dispositif de detection de perte de synchronisation et son utilisation dans un reseau de transmission numerique |
DE4012762A1 (de) * | 1990-04-21 | 1991-10-24 | Standard Elektrik Lorenz Ag | Verfahren zur synchronisation eines nach einer digitalen synchronen hierarchie rahmenstrukturierten systemes |
GB9126505D0 (en) * | 1991-12-13 | 1992-02-12 | Plessey Telecomm | Telecommunications system and method |
SE503920C2 (sv) * | 1994-10-03 | 1996-09-30 | Ericsson Telefon Ab L M | Sätt att synkronisera signaler och anordning härför |
JP4541155B2 (ja) * | 2002-12-19 | 2010-09-08 | エヌエックスピー ビー ヴィ | フレーム同期化デバイス及び方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3251034A (en) * | 1962-05-21 | 1966-05-10 | Texas Instruments Inc | Synchronizing system for digital data recovery apparatus |
GB1477174A (en) * | 1974-06-18 | 1977-06-22 | Plessey Co Ltd | Electrical circuit arrangements responsive to serial digital signals forming multibyte data-words |
US4002845A (en) * | 1975-03-26 | 1977-01-11 | Digital Communications Corporation | Frame synchronizer |
US4119796A (en) * | 1976-11-01 | 1978-10-10 | Versitron, Inc. | Automatic data synchronizer |
-
1977
- 1977-09-29 NL NLAANVRAGE7710670,A patent/NL176420C/xx not_active IP Right Cessation
-
1978
- 1978-09-21 DE DE2841079A patent/DE2841079C3/de not_active Expired
- 1978-09-25 US US05/945,223 patent/US4214124A/en not_active Expired - Lifetime
- 1978-09-26 CH CH1003178A patent/CH637255A5/de not_active IP Right Cessation
- 1978-09-27 FR FR7827678A patent/FR2404972A1/fr active Granted
- 1978-09-27 GB GB7838402A patent/GB2007465B/en not_active Expired
- 1978-09-28 SE SE7810200A patent/SE434448B/sv not_active IP Right Cessation
- 1978-09-28 IT IT51299/78A patent/IT1106031B/it active
Also Published As
Publication number | Publication date |
---|---|
NL176420C (nl) | 1985-04-01 |
GB2007465A (en) | 1979-05-16 |
CH637255A5 (de) | 1983-07-15 |
NL7710670A (nl) | 1979-04-02 |
IT1106031B (it) | 1985-11-11 |
DE2841079C3 (de) | 1981-02-26 |
DE2841079A1 (de) | 1979-04-05 |
US4214124A (en) | 1980-07-22 |
FR2404972A1 (fr) | 1979-04-27 |
SE7810200L (sv) | 1979-03-30 |
NL176420B (nl) | 1984-11-01 |
FR2404972B1 (xx) | 1983-05-06 |
DE2841079B2 (de) | 1980-06-19 |
IT7851299A0 (it) | 1978-09-28 |
GB2007465B (en) | 1982-03-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE434448B (sv) | Sett och anordning for att extrahera periodiska taktsignaler fran en pcm-signal | |
SE431703B (sv) | Forfarande for utforande av signalaterforingstest | |
EP0333122A2 (en) | Method and apparatus for frame synchronization | |
US4943985A (en) | Frame synchronization device for a synchronous digital bit stream divided into blocks by means of a block code and structured in frames | |
US4965814A (en) | Synchronizer for establishing synchronization between data and clock signals | |
EP0405760B1 (en) | System for synchronizing data frame groups in a serial bit stream | |
US4694196A (en) | Clock recovery circuit | |
US3453551A (en) | Pulse sequence detector employing a shift register controlling a reversible counter | |
KR100998773B1 (ko) | 역직렬화 타이밍 신호들을 생성하기 위한 시스템 및 방법 | |
US4295220A (en) | Clock check circuits using delayed signals | |
US4583221A (en) | Synchronization system for key telephone system | |
CN1328861C (zh) | 一种光同步数字传输系统中的数字接口电路及其数据解复用方法 | |
SE504920C2 (sv) | Förfarande och system för redundant klockdistribution till telekommunikationsutrustningar i vilka byte av vald klocksignal bland de inkommande klocksignalerna ständigt sker | |
US5303242A (en) | Destuffing control by modifying detected pointer with differential value | |
FI75705B (fi) | Kopplingsanordning foer aostadkommande av fassamstaemmighet mellan taktpulser och synkroniseringsbitar hos datagrupper. | |
AU639731B2 (en) | A flywheel circuit | |
JP2944319B2 (ja) | 並列展開型フレーム同期方式 | |
SE434449B (sv) | Anordning for mottagning av hoghastighetsdata i paketform | |
SU1496013A2 (ru) | Устройство дл компенсации искажений типа преобладани | |
JPH09149015A (ja) | クロック位相調整回路 | |
JP4227860B2 (ja) | リセット回路 | |
EP1519504A1 (en) | Method and device implementing a serial SDH aligner | |
JPH0323741A (ja) | 非同期伝送の調歩同期方式 | |
SU836803A1 (ru) | Устройство дл предотвращени ошибок впРиНиМАЕМОй диСКРЕТНОй иНфОРМАции | |
JPH01258516A (ja) | マルチフレーム同期回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
Ref document number: 7810200-1 Format of ref document f/p: F |
|
NUG | Patent has lapsed |
Ref document number: 7810200-1 Format of ref document f/p: F |