BE605312R - Data transmission system, in particular over telephone lines. - Google Patents

Data transmission system, in particular over telephone lines.

Info

Publication number
BE605312R
BE605312R BE605312A BE605312A BE605312R BE 605312 R BE605312 R BE 605312R BE 605312 A BE605312 A BE 605312A BE 605312 A BE605312 A BE 605312A BE 605312 R BE605312 R BE 605312R
Authority
BE
Belgium
Prior art keywords
data transmission
transmission system
telephone lines
particular over
over telephone
Prior art date
Application number
BE605312A
Other languages
French (fr)
Inventor
E P G Wright
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
Application filed by Bell Telephone Mfg filed Critical Bell Telephone Mfg
Application granted granted Critical
Publication of BE605312R publication Critical patent/BE605312R/en

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
BE605312A 1960-06-24 1961-06-23 Data transmission system, in particular over telephone lines. BE605312R (en)

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
BE605312R true BE605312R (en) 1961-12-27

Family

ID=10175885

Family Applications (1)

Application Number Title Priority Date Filing Date
BE605312A BE605312R (en) 1960-06-24 1961-06-23 Data transmission system, in particular over telephone lines.

Country Status (6)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL270251A (en) * 1960-10-14
US3311879A (en) * 1963-04-18 1967-03-28 Ibm Error checking system for variable length data
DE1230847B (en) * 1963-05-30 1966-12-22 Einer Victor Lous Procedure and arrangement for forwarding corrected information
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
GB2313747A (en) * 1996-05-30 1997-12-03 Motorola Ltd Data transmission verification
DE19701725C1 (en) * 1997-01-20 1998-06-18 Bosch Gmbh Robert Frequency diplexer
DE102005034506B4 (en) 2005-07-20 2007-11-22 Infineon Technologies Ag Method and system for troubleshooting

Also Published As

Publication number Publication date
FR1277853A (en) 1961-12-01
GB959555A (en) 1964-06-03
CH389287A (en) 1965-03-15
FR79897E (en) 1963-02-08
DE1154657B (en) 1963-09-19
FR80017E (en) 1963-03-01
FR80018E (en) 1963-03-01
GB910453A (en) 1962-11-14
NL265526A (en)
GB950739A (en) 1964-02-26
NL260263A (en)

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