BE549791A - - Google Patents

Info

Publication number
BE549791A
BE549791A BE549791DA BE549791A BE 549791 A BE549791 A BE 549791A BE 549791D A BE549791D A BE 549791DA BE 549791 A BE549791 A BE 549791A
Authority
BE
Belgium
Application number
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.)
Publication of BE549791A publication Critical patent/BE549791A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Selective Calling Equipment (AREA)
BE549791D 1955-07-26 BE549791A (US06262066-20010717-C00203.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL353031X 1955-07-26

Publications (1)

Publication Number Publication Date
BE549791A true BE549791A (US06262066-20010717-C00203.png)

Family

ID=19785112

Family Applications (1)

Application Number Title Priority Date Filing Date
BE549791D BE549791A (US06262066-20010717-C00203.png) 1955-07-26

Country Status (7)

Country Link
US (1) US2970189A (US06262066-20010717-C00203.png)
BE (1) BE549791A (US06262066-20010717-C00203.png)
CH (1) CH353031A (US06262066-20010717-C00203.png)
DE (1) DE1091150B (US06262066-20010717-C00203.png)
FR (1) FR1157351A (US06262066-20010717-C00203.png)
GB (1) GB840502A (US06262066-20010717-C00203.png)
NL (1) NL98117C (US06262066-20010717-C00203.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL124287C (US06262066-20010717-C00203.png) * 1960-06-09 1968-07-15
NL124462C (US06262066-20010717-C00203.png) * 1960-06-09 1968-07-15
NL125228C (US06262066-20010717-C00203.png) * 1961-12-15 1969-01-15
NL123421C (US06262066-20010717-C00203.png) * 1962-01-18 1968-01-15
NL276365A (US06262066-20010717-C00203.png) * 1962-03-23
NL280306A (US06262066-20010717-C00203.png) * 1962-06-28 1964-12-10
US3242462A (en) * 1963-01-31 1966-03-22 Ibm Transmission systems
US3426323A (en) * 1965-03-08 1969-02-04 Burroughs Corp Error correction by retransmission
US3483510A (en) * 1965-03-26 1969-12-09 Ericsson Telefon Ab L M Error detecting and control device in a data transmission system
NL135897C (US06262066-20010717-C00203.png) * 1965-12-03
US3456239A (en) * 1965-12-10 1969-07-15 Teletype Corp Block synchronization circuit for an error detection and correction system
US3473150A (en) * 1966-08-10 1969-10-14 Teletype Corp Block synchronization circuit for a data communications system
US3452330A (en) * 1967-07-25 1969-06-24 Bell Telephone Labor Inc Asynchronous data transmission system with error detection and retransmission
US3611289A (en) * 1969-03-21 1971-10-05 Digitronics Corp Error detection apparatus
US3671945A (en) * 1970-09-02 1972-06-20 Honeywell Inf Systems Data message control system
US3824547A (en) * 1972-11-29 1974-07-16 Sigma Syst Inc Communications system with error detection and retransmission

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL54070C (US06262066-20010717-C00203.png) * 1938-05-17
US2706215A (en) * 1950-03-24 1955-04-12 Nederlanden Staat Mnemonic system for telegraph systems and like apparatus
NL95536C (US06262066-20010717-C00203.png) * 1950-11-08

Also Published As

Publication number Publication date
GB840502A (en) 1960-07-06
CH353031A (de) 1961-03-31
DE1091150B (de) 1960-10-20
FR1157351A (fr) 1958-05-29
US2970189A (en) 1961-01-31
NL98117C (US06262066-20010717-C00203.png)

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