IT1206167B - Metodo e dispositivo per la trasmissione di un segnale di temporizzazione via cavo a lunghe distanze - Google Patents

Metodo e dispositivo per la trasmissione di un segnale di temporizzazione via cavo a lunghe distanze

Info

Publication number
IT1206167B
IT1206167B IT8448684A IT4868484A IT1206167B IT 1206167 B IT1206167 B IT 1206167B IT 8448684 A IT8448684 A IT 8448684A IT 4868484 A IT4868484 A IT 4868484A IT 1206167 B IT1206167 B IT 1206167B
Authority
IT
Italy
Prior art keywords
signal
clock signal
information
frequency
long distances
Prior art date
Application number
IT8448684A
Other languages
English (en)
Other versions
IT8448684A0 (it
Inventor
Miceli Salvatore
Original Assignee
Bordoni Ugo Fondazione
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 Bordoni Ugo Fondazione filed Critical Bordoni Ugo Fondazione
Priority to IT8448684A priority Critical patent/IT1206167B/it
Publication of IT8448684A0 publication Critical patent/IT8448684A0/it
Priority to EP85830194A priority patent/EP0170638B1/en
Priority to DE8585830194T priority patent/DE3585931D1/de
Priority to AT85830194T priority patent/ATE75567T1/de
Application granted granted Critical
Publication of IT1206167B publication Critical patent/IT1206167B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • 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
    • 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
    • H04L7/048—Speed or phase control by synchronisation signals using the properties of error detecting or error correcting codes, e.g. parity as synchronisation signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
IT8448684A 1984-08-02 1984-08-02 Metodo e dispositivo per la trasmissione di un segnale di temporizzazione via cavo a lunghe distanze IT1206167B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT8448684A IT1206167B (it) 1984-08-02 1984-08-02 Metodo e dispositivo per la trasmissione di un segnale di temporizzazione via cavo a lunghe distanze
EP85830194A EP0170638B1 (en) 1984-08-02 1985-07-26 Method of and apparatus for transmitting a clock signal via cable over long distances
DE8585830194T DE3585931D1 (de) 1984-08-02 1985-07-26 Verfahren und vorrichtung zur taktsignaluebertragung durch kabel ueber grosse abstaende.
AT85830194T ATE75567T1 (de) 1984-08-02 1985-07-26 Verfahren und vorrichtung zur taktsignaluebertragung durch kabel ueber grosse abstaende.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8448684A IT1206167B (it) 1984-08-02 1984-08-02 Metodo e dispositivo per la trasmissione di un segnale di temporizzazione via cavo a lunghe distanze

Publications (2)

Publication Number Publication Date
IT8448684A0 IT8448684A0 (it) 1984-08-02
IT1206167B true IT1206167B (it) 1989-04-14

Family

ID=11268029

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8448684A IT1206167B (it) 1984-08-02 1984-08-02 Metodo e dispositivo per la trasmissione di un segnale di temporizzazione via cavo a lunghe distanze

Country Status (4)

Country Link
EP (1) EP0170638B1 (it)
AT (1) ATE75567T1 (it)
DE (1) DE3585931D1 (it)
IT (1) IT1206167B (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6617682A (it) * 1965-12-21 1967-06-22
CA1129036A (en) * 1978-05-30 1982-08-03 Colin R. Betts Digital data transmission
JPS5635553A (en) * 1979-08-31 1981-04-08 Hitachi Ltd Parallel data transfer system
GB2124806B (en) * 1982-08-06 1986-05-14 Sony Corp Method of correcting errors in binary data

Also Published As

Publication number Publication date
EP0170638A2 (en) 1986-02-05
EP0170638A3 (en) 1988-03-02
IT8448684A0 (it) 1984-08-02
EP0170638B1 (en) 1992-04-29
ATE75567T1 (de) 1992-05-15
DE3585931D1 (de) 1992-06-04

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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: 19960827