BE599368A - Système de transmission de données en particulier sur lignes téléphoniques - Google Patents

Système de transmission de données en particulier sur lignes téléphoniques

Info

Publication number
BE599368A
BE599368A BE599368A BE599368A BE599368A BE 599368 A BE599368 A BE 599368A BE 599368 A BE599368 A BE 599368A BE 599368 A BE599368 A BE 599368A BE 599368 A BE599368 A BE 599368A
Authority
BE
Belgium
Prior art keywords
data transmission
transmission system
telephone lines
particular over
over telephone
Prior art date
Application number
BE599368A
Other languages
English (en)
Inventor
E P G Wright
V J Terry
W F S Chittleburgh
Original Assignee
Bell Telephone Mfg
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
Priority claimed from GB217860A external-priority patent/GB959555A/en
Application filed by Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of BE599368A publication Critical patent/BE599368A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/14Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143Two-way operation using the same type of signal, i.e. duplex for modulated signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Communication Control (AREA)
BE599368A 1960-01-21 1961-01-23 Système de transmission de données en particulier sur lignes téléphoniques BE599368A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB217860A GB959555A (en) 1960-06-24 1960-01-21 Improvements in or relating to data transmission systems

Publications (1)

Publication Number Publication Date
BE599368A true BE599368A (fr) 1961-07-24

Family

ID=39231873

Family Applications (1)

Application Number Title Priority Date Filing Date
BE599368A BE599368A (fr) 1960-01-21 1961-01-23 Système de transmission de données en particulier sur lignes téléphoniques

Country Status (2)

Country Link
BE (1) BE599368A (fr)
DE (1) DE1186494B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1280280B (de) * 1966-06-29 1968-10-17 Siemens Ag Verfahren und Schaltungsanordnung zum wechselseitigen UEbertragen von impulscodierten Nachrichten zwischen Teilnehmerstellen ueber einen Sprachkanal

Also Published As

Publication number Publication date
DE1186494B (de) 1965-02-04

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