FR1153790A - Installation télégraphique - Google Patents
Installation télégraphiqueInfo
- Publication number
- FR1153790A FR1153790A FR1153790DA FR1153790A FR 1153790 A FR1153790 A FR 1153790A FR 1153790D A FR1153790D A FR 1153790DA FR 1153790 A FR1153790 A FR 1153790A
- Authority
- FR
- France
- Prior art keywords
- telegraph
- installation
- telegraph installation
- 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
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US518526A US2870254A (en) | 1955-06-28 | 1955-06-28 | Telegraph system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1153790A true FR1153790A (fr) | 1958-03-21 |
Family
ID=24064307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1153790D Expired FR1153790A (fr) | 1955-06-28 | 1956-06-12 | Installation télégraphique |
Country Status (6)
Country | Link |
---|---|
US (1) | US2870254A (fr) |
BE (1) | BE549048A (fr) |
DE (1) | DE1064552B (fr) |
FR (1) | FR1153790A (fr) |
GB (1) | GB803716A (fr) |
NL (1) | NL107923C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2176838A1 (fr) * | 1972-03-17 | 1973-11-02 | Nederlanden Staat |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1015472B (de) * | 1956-11-06 | 1957-09-12 | Siemens Ag | Schaltungsanordnung zur Verbindung von Fernschreibteilnehmernetzen |
US3245038A (en) * | 1961-06-30 | 1966-04-05 | Ibm | Central to remote communication system with address modification for the remote stations |
US3237180A (en) * | 1963-03-18 | 1966-02-22 | Specialties Dev Corp | Indication repeating apparatus |
GB1115865A (en) * | 1965-01-29 | 1968-05-29 | Standard Telephones Cables Ltd | Signalling system |
US3491337A (en) * | 1966-12-05 | 1970-01-20 | Scm Corp | Coded message generator |
DE2838816A1 (de) * | 1978-09-06 | 1980-03-20 | Tekade Felten & Guilleaume | Schleifentest fuer datenuebertragungsstrecken |
DE2852805A1 (de) * | 1978-12-06 | 1980-06-12 | Siemens Ag | Verfahren und schaltungsanordnung zur messung der uebertragungseigenschaften eines messobjektes |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE669121C (de) * | 1930-06-13 | 1938-12-17 | Siemens Ag | Einrichtung zur selbsttaetigen UEberwachung und Pruefung von Verbindungsleitungen inTelegrafenanlagen durch einen Hin- und Rueckimpuls |
BE404138A (fr) * | 1933-07-10 | |||
US2193811A (en) * | 1936-02-25 | 1940-03-19 | Western Union Telegraph Co | Signaling system and apparatus |
BE476865A (fr) * | 1938-05-17 | |||
US2353055A (en) * | 1942-09-19 | 1944-07-04 | Bell Telephone Labor Inc | Satellite communication system |
US2351014A (en) * | 1942-12-30 | 1944-06-13 | Postal Telegraph Cable Co | Alarm for synchronous telegraph circuits |
US2439398A (en) * | 1944-02-25 | 1948-04-13 | Bell Telephone Labor Inc | Telegraph system provided with channel assurance and transmission regulation |
US2465507A (en) * | 1945-01-16 | 1949-03-29 | Bell Telephone Labor Inc | Intercommunicating teletypewriter system |
DE914982C (de) * | 1949-08-14 | 1954-07-12 | Siemens Ag | Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen |
DE902140C (de) * | 1951-04-20 | 1954-01-18 | Lorenz C Ag | Einrichtung zum Vergleichen des ausgesandten und des rueckempfangenen Zeichens zweicks Fehlerkontrolle |
DE905256C (de) * | 1951-05-19 | 1954-03-01 | Siemens Ag | Schaltungsanordnung zur Kontrolle des richtigen Empfangs von Schaltkennzeichen in Fernmeldeanlagen, z.B. Fernsprechanlagen, insbesondere fuer Kennzeichenuebertragung ueber drahtlose Strecken |
-
0
- BE BE549048D patent/BE549048A/xx unknown
- NL NL107923D patent/NL107923C/xx active
-
1955
- 1955-06-28 US US518526A patent/US2870254A/en not_active Expired - Lifetime
-
1956
- 1956-05-25 GB GB16246/56A patent/GB803716A/en not_active Expired
- 1956-06-12 FR FR1153790D patent/FR1153790A/fr not_active Expired
- 1956-06-28 DE DET12387A patent/DE1064552B/de active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2176838A1 (fr) * | 1972-03-17 | 1973-11-02 | Nederlanden Staat |
Also Published As
Publication number | Publication date |
---|---|
US2870254A (en) | 1959-01-20 |
NL107923C (fr) | |
DE1064552B (de) | 1959-09-03 |
GB803716A (en) | 1958-10-29 |
BE549048A (fr) |
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