BE599368A - Système de transmission de données en particulier sur lignes téléphoniques - Google Patents
Système de transmission de données en particulier sur lignes téléphoniquesInfo
- Publication number
- BE599368A BE599368A BE599368A BE599368A BE599368A BE 599368 A BE599368 A BE 599368A BE 599368 A BE599368 A BE 599368A BE 599368 A BE599368 A BE 599368A BE 599368 A BE599368 A BE 599368A
- Authority
- BE
- Belgium
- Prior art keywords
- data transmission
- transmission system
- telephone lines
- particular over
- over telephone
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
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
- H04L1/14—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
- 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
- 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)
- Communication Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB217860A GB959555A (en) | 1960-06-24 | 1960-01-21 | Improvements in or relating to data transmission systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE599368A true BE599368A (fr) | 1961-07-24 |
Family
ID=39231873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE599368A BE599368A (fr) | 1960-01-21 | 1961-01-23 | Système de transmission de données en particulier sur lignes téléphoniques |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE599368A (fr) |
| DE (1) | DE1186494B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1280280B (de) * | 1966-06-29 | 1968-10-17 | Siemens Ag | Verfahren und Schaltungsanordnung zum wechselseitigen UEbertragen von impulscodierten Nachrichten zwischen Teilnehmerstellen ueber einen Sprachkanal |
-
1961
- 1961-01-20 DE DE1961J0019315 patent/DE1186494B/de active Pending
- 1961-01-23 BE BE599368A patent/BE599368A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1186494B (de) | 1965-02-04 |
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