[go: up one dir, main page]

IT7920349A0 - Dispositivo di acquisizione della fase iniziale dell'orologio in un ricevitore di dati sincrono. - Google Patents

Dispositivo di acquisizione della fase iniziale dell'orologio in un ricevitore di dati sincrono.

Info

Publication number
IT7920349A0
IT7920349A0 IT7920349A IT2034979A IT7920349A0 IT 7920349 A0 IT7920349 A0 IT 7920349A0 IT 7920349 A IT7920349 A IT 7920349A IT 2034979 A IT2034979 A IT 2034979A IT 7920349 A0 IT7920349 A0 IT 7920349A0
Authority
IT
Italy
Prior art keywords
acquisition device
data receiver
initial phase
synchronous data
phase acquisition
Prior art date
Application number
IT7920349A
Other languages
English (en)
Other versions
IT1164983B (it
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT7920349A0 publication Critical patent/IT7920349A0/it
Application granted granted Critical
Publication of IT1164983B publication Critical patent/IT1164983B/it

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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IT20349/79A 1978-02-28 1979-02-20 Dispositivo di acquisizione della fase iniziale dell'orologio in un ricevitore di dati sincrono IT1164983B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7806562A FR2418584A1 (fr) 1978-02-28 1978-02-28 Procede et dispositif d'acquisition de la phase initiale de l'horloge dans un recepteur de donnees synchrone

Publications (2)

Publication Number Publication Date
IT7920349A0 true IT7920349A0 (it) 1979-02-20
IT1164983B IT1164983B (it) 1987-04-22

Family

ID=9205471

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20349/79A IT1164983B (it) 1978-02-28 1979-02-20 Dispositivo di acquisizione della fase iniziale dell'orologio in un ricevitore di dati sincrono

Country Status (7)

Country Link
US (1) US4227252A (it)
EP (1) EP0003943B1 (it)
JP (1) JPS5915231B2 (it)
CA (1) CA1115777A (it)
DE (1) DE2962162D1 (it)
FR (1) FR2418584A1 (it)
IT (1) IT1164983B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1150427A (en) * 1980-02-21 1983-07-19 Keith G. Wright Universal demultiplexer
FR2478914B1 (fr) * 1980-03-19 1986-01-31 Ibm France Procede et dispositif pour l'ajustement initial de l'horloge d'un recepteur de donnees synchrone
US4344176A (en) * 1980-04-03 1982-08-10 Codex Corporation Time recovery circuitry in a modem receiver
US4455663A (en) * 1981-11-19 1984-06-19 Novation, Inc. Full duplex modems and synchronizing methods and apparatus therefor
GB2153186B (en) * 1984-01-13 1987-04-23 Ncr Co Digital data receiver including timing adjustment circuit
JPH0754931B2 (ja) * 1984-09-04 1995-06-07 株式会社東芝 サンプリング位相検出方式
AU568980B2 (en) * 1985-06-04 1988-01-14 Fujitsu Limited Method and device for timing pull-in of receiving equipment
US4870489A (en) * 1987-07-23 1989-09-26 Ducret Robert P NTSC compatible HDTV transmission system
US4965761A (en) * 1988-06-03 1990-10-23 General Dynamics Corporation, Pomona Div. Fast discrete fourier transform apparatus and method
JPH0570872U (ja) * 1991-04-04 1993-09-24 江東産業株式会社 ホイールプーラ
US5383225A (en) * 1992-12-17 1995-01-17 Motorola, Inc. Synchronizer for TDMA acquisition signal having an unknown frequency
DE19734197C1 (de) * 1997-08-07 1999-01-21 Deutsche Telekom Ag Verfahren zur Messung und Korrektur der Frequenz eines Empfängeroszillators
US5914961A (en) * 1997-12-10 1999-06-22 L-3 Communications Corporation Fixed wireless loop system having dual direct synthesizer
US7221704B2 (en) * 2005-08-01 2007-05-22 Marvell World Trade Ltd. All digital implementation of clock spectrum spreading (dither) for low power/die area

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR86907E (fr) * 1964-08-24 1966-05-06 Ibm France Procédé de transmission de données et dispositif réalisant cette transmission
US3758870A (en) * 1972-02-23 1973-09-11 Sanders Associates Inc Digital demodulator
FR2326743A1 (fr) * 1975-10-02 1977-04-29 Thomson Csf Calculateur de transformee de fourier discrete
US4034352A (en) * 1976-02-20 1977-07-05 The United States Of America As Represented By The Secretary Of The Army Phase control of clock and sync pulser
US4084251A (en) * 1976-03-10 1978-04-11 Harris Corporation Fourier transform generator for bi-level samples

Also Published As

Publication number Publication date
IT1164983B (it) 1987-04-22
DE2962162D1 (en) 1982-03-25
JPS54124613A (en) 1979-09-27
FR2418584A1 (fr) 1979-09-21
EP0003943A2 (fr) 1979-09-05
CA1115777A (en) 1982-01-05
FR2418584B1 (it) 1980-09-05
EP0003943B1 (fr) 1982-02-24
US4227252A (en) 1980-10-07
EP0003943A3 (en) 1979-09-19
JPS5915231B2 (ja) 1984-04-07

Similar Documents

Publication Publication Date Title
JPS52111348A (en) Fail soft synchronous clock device
JPS54161239A (en) Clock generator device
JPS5348430A (en) Clock device
IT7920349A0 (it) Dispositivo di acquisizione della fase iniziale dell'orologio in un ricevitore di dati sincrono.
NL7709761A (nl) Klokimpulsgenerator.
NL187464C (nl) Klokterugwinningsinrichting.
JPS5333016A (en) Device for extracting synchronizing information
JPS5313474A (en) Clock
JPS5372511A (en) Synchronous signal generator
MX4431E (es) Mejoras a un aparato de registro de perfil en un pozo de sondeo
JPS5331167A (en) Multiifunction clock
IT1087715B (it) Dispositivo per sincronizzare un oscillatore libero
DE3066790D1 (en) Clock recovery device
MX150699A (es) Mejoras en registro de datos con un mecanismo de seleccion de tarjeta de registro
SU696620A1 (ru) Устройство синхронизации тактовых генераторов
JPS5323668A (en) Clock
JPS53132955A (en) Synchronous data processor
JPS5463921A (en) Time clock
EP0055014A3 (en) Variable pulsewidth gated clock generator for a digital display
JPS52110670A (en) Clock
JPS52101955A (en) Phase synchronous oscillator
JPS54121646A (en) Phase synchronization oscillator shortening synchronizer time
JPS5273067A (en) Mechanical clock movement
IT1117811B (it) Portamonete a riempimento automatico
JPS5337387A (en) Single phase charge coupled element