FR1395396A - Système de transmission sûre d'informations numériques - Google Patents
Système de transmission sûre d'informations numériquesInfo
- 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
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)
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)
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)
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)
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 |
-
1963
- 1963-05-22 DE DET24041A patent/DE1192239B/de active Pending
-
1964
- 1964-05-13 NL NL6405318A patent/NL6405318A/xx unknown
- 1964-05-20 GB GB20802/64A patent/GB1072064A/en not_active Expired
- 1964-05-21 US US369194A patent/US3381273A/en not_active Expired - Lifetime
- 1964-05-22 FR FR975405A patent/FR1395396A/fr not_active Expired
- 1964-05-22 BE BE648274D patent/BE648274A/xx unknown
- 1964-05-22 SE SE6278/64A patent/SE305670B/xx unknown
Cited By (4)
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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