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-signal

Info

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
Application number
SE7810200A
Other languages
English (en)
Swedish (sv)
Other versions
SE7810200L (sv
Inventor
D J Jarus
Original Assignee
Nederlanden Staat
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nederlanden Staat filed Critical Nederlanden Staat
Publication of SE7810200L publication Critical patent/SE7810200L/xx
Publication of SE434448B publication Critical patent/SE434448B/sv

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)
SE7810200A 1977-09-29 1978-09-28 Sett och anordning for att extrahera periodiska taktsignaler fran en pcm-signal SE434448B (sv)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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