FR1395396A - Système de transmission sûre d'informations numériques - Google Patents

Système de transmission sûre d'informations numériques

Info

Publication number
FR1395396A
FR1395396A FR975405A FR975405A FR1395396A FR 1395396 A FR1395396 A FR 1395396A FR 975405 A FR975405 A FR 975405A FR 975405 A FR975405 A FR 975405A FR 1395396 A FR1395396 A FR 1395396A
Authority
FR
France
Prior art keywords
transmission system
information transmission
digital information
secure digital
secure
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
FR975405A
Other languages
English (en)
Inventor
Rudolf Stark
Hans-Joachim Held
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.)
Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs GmbH
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 Telefunken Patentverwertungs GmbH filed Critical Telefunken Patentverwertungs GmbH
Application granted granted Critical
Publication of FR1395396A publication Critical patent/FR1395396A/fr
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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • 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
    • 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
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
    • H04L5/24—Arrangements affording multiple use of the transmission path using time-division multiplexing with start-stop synchronous converters
    • 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
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Communication Control (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
FR975405A 1963-05-22 1964-05-22 Système de transmission sûre d'informations numériques Expired FR1395396A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET24041A DE1192239B (de) 1963-05-22 1963-05-22 Verfahren und Schaltungsanordnung zur UEbertragung digitaler Daten ueber einen UEber-tragungsweg, welcher Sicherungsmassnahmen erfordert

Publications (1)

Publication Number Publication Date
FR1395396A true FR1395396A (fr) 1965-04-09

Family

ID=7551280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975405A Expired FR1395396A (fr) 1963-05-22 1964-05-22 Système de transmission sûre d'informations numériques

Country Status (7)

Country Link
US (1) US3381273A (fr)
BE (1) BE648274A (fr)
DE (1) DE1192239B (fr)
FR (1) FR1395396A (fr)
GB (1) GB1072064A (fr)
NL (1) NL6405318A (fr)
SE (1) SE305670B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2503965A1 (fr) * 1981-04-08 1982-10-15 Thomson Csf Procede de protection contre les erreurs de transmission des messages radio-telegraphiques et dispositif de mise en oeuvre
EP0086128B1 (fr) * 1982-02-04 1988-05-18 ETAT FRANCAIS représenté par le Ministre des PTT (Centre National d'Etudes des Télécommunications) Système de transmission asynchrone, notamment pour système de vidéotex interactif

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475725A (en) * 1966-12-06 1969-10-28 Ibm Encoding transmission system
DE2106835C3 (de) * 1971-02-13 1982-07-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Modemkoppler
US4032886A (en) * 1975-12-01 1977-06-28 Motorola, Inc. Concatenation technique for burst-error correction and synchronization
DK154597C (da) * 1978-12-01 1989-04-17 Forsvarets Forsknings Fremgangsmaade og apparat til overfoering af information repraesenterende mindst to parametre
EP2448265A1 (fr) 2010-10-26 2012-05-02 Google, Inc. Synchronisation de lèvres dans une conférence vidéo
US8797378B1 (en) * 2012-01-17 2014-08-05 Google Inc. Distributed communications
US8917309B1 (en) 2012-03-08 2014-12-23 Google, Inc. Key frame distribution in video conferencing
US8791982B1 (en) 2012-06-27 2014-07-29 Google Inc. Video multicast engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805278A (en) * 1951-09-04 1957-09-03 Nederlanden Staat Telegraph system
US3159810A (en) * 1960-03-21 1964-12-01 Sylvania Electric Prod Data transmission systems with error detection and correction capabilities
GB946492A (en) * 1961-05-03 1964-01-15 Post Office Improvements in or relating to telegraph systems

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2503965A1 (fr) * 1981-04-08 1982-10-15 Thomson Csf Procede de protection contre les erreurs de transmission des messages radio-telegraphiques et dispositif de mise en oeuvre
EP0063076A1 (fr) * 1981-04-08 1982-10-20 Thomson-Csf Procédé de protection contre les erreurs de transmission des messages radio-télégraphiques et dispositif de mise en oeuvre
US4471485A (en) * 1981-04-08 1984-09-11 Thomson-Csf Method of protection against errors in transmission of radiotelegraph messages and a device for the application of said method
EP0086128B1 (fr) * 1982-02-04 1988-05-18 ETAT FRANCAIS représenté par le Ministre des PTT (Centre National d'Etudes des Télécommunications) Système de transmission asynchrone, notamment pour système de vidéotex interactif

Also Published As

Publication number Publication date
US3381273A (en) 1968-04-30
DE1192239B (de) 1965-05-06
NL6405318A (fr) 1964-11-23
SE305670B (fr) 1968-11-04
GB1072064A (en) 1967-06-14
BE648274A (fr) 1964-09-16

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