GB959555A - Improvements in or relating to data transmission systems - Google Patents

Improvements in or relating to data transmission systems

Info

Publication number
GB959555A
GB959555A GB217860A GB217860A GB959555A GB 959555 A GB959555 A GB 959555A GB 217860 A GB217860 A GB 217860A GB 217860 A GB217860 A GB 217860A GB 959555 A GB959555 A GB 959555A
Authority
GB
United Kingdom
Prior art keywords
block
data
transmission
channel
station
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB217860A
Other languages
English (en)
Inventor
Esmond Philip Goodwin Wright
Victor John Terry
William Francis S Chittleburgh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to CH75261A priority Critical patent/CH398682A/de
Priority to DE1961J0019315 priority patent/DE1186494B/de
Priority to US84073A priority patent/US3226480A/en
Priority to BE599368A priority patent/BE599368A/fr
Publication of GB959555A publication Critical patent/GB959555A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/14—Arrangements 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous 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)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB217860A 1960-01-21 1960-01-21 Improvements in or relating to data transmission systems Expired GB959555A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH75261A CH398682A (de) 1960-01-21 1961-01-20 Nachrichtenübertragungsanlage
DE1961J0019315 DE1186494B (de) 1960-01-21 1961-01-20 Daten-UEbertragungssystem
US84073A US3226480A (en) 1960-01-21 1961-01-23 Duplex data transmission system utilizing a telephone channel
BE599368A BE599368A (fr) 1960-01-21 1961-01-23 Système de transmission de données en particulier sur lignes téléphoniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2222160A GB910453A (en) 1960-06-24 1960-06-24 Improvements in or relating to data transmission systems

Publications (1)

Publication Number Publication Date
GB959555A true GB959555A (en) 1964-06-03

Family

ID=10175885

Family Applications (3)

Application Number Title Priority Date Filing Date
GB217860A Expired GB959555A (en) 1960-01-21 1960-01-21 Improvements in or relating to data transmission systems
GB1953960A Expired GB950739A (en) 1960-06-02 1960-06-02 Improvements in or relating to data transmission systems
GB2222160A Expired GB910453A (en) 1960-01-21 1960-06-24 Improvements in or relating to data transmission systems

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB1953960A Expired GB950739A (en) 1960-06-02 1960-06-02 Improvements in or relating to data transmission systems
GB2222160A Expired GB910453A (en) 1960-01-21 1960-06-24 Improvements in or relating to data transmission systems

Country Status (6)

Country Link
BE (1) BE605312R (de)
CH (1) CH389287A (de)
DE (1) DE1154657B (de)
FR (4) FR1277853A (de)
GB (3) GB959555A (de)
NL (2) NL260263A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313747A (en) * 1996-05-30 1997-12-03 Motorola Ltd Data transmission verification

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL270251A (de) * 1960-10-14
US3311879A (en) * 1963-04-18 1967-03-28 Ibm Error checking system for variable length data
DE1230847B (de) * 1963-05-30 1966-12-22 Einer Victor Lous Verfahren und Anordnung zum Weitersenden von korrigierten Informationen
US3805234A (en) * 1972-07-31 1974-04-16 Westinghouse Electric Corp Digital data transmission system
US4121052A (en) * 1976-01-26 1978-10-17 Richard Herbert L Telephone data recording system
DE19701725C1 (de) * 1997-01-20 1998-06-18 Bosch Gmbh Robert Frequenzdiplexer
DE102005034506B4 (de) 2005-07-20 2007-11-22 Infineon Technologies Ag Verfahren und System zur Fehlerbeseitigung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313747A (en) * 1996-05-30 1997-12-03 Motorola Ltd Data transmission verification

Also Published As

Publication number Publication date
NL265526A (de)
FR1277853A (fr) 1961-12-01
NL260263A (de)
CH389287A (de) 1965-03-15
DE1154657B (de) 1963-09-19
GB950739A (en) 1964-02-26
GB910453A (en) 1962-11-14
FR79897E (fr) 1963-02-08
FR80017E (fr) 1963-03-01
FR80018E (fr) 1963-03-01
BE605312R (fr) 1961-12-27

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