GB306406A - Improvements in or relating to telegraphic installations - Google Patents
Improvements in or relating to telegraphic installationsInfo
- Publication number
- GB306406A GB306406A GB5373/29A GB537329A GB306406A GB 306406 A GB306406 A GB 306406A GB 5373/29 A GB5373/29 A GB 5373/29A GB 537329 A GB537329 A GB 537329A GB 306406 A GB306406 A GB 306406A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnet
- subscriber
- pair
- impulses
- exchange
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Alarm Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES84238D DE587628C (de) | 1928-02-18 | 1928-02-18 | Telegraphenanlage, bei der die Verbindung der einzelnen Teilnehmerstationen durch Selbstanschluss-Vermittlungsstellen erfolgt |
DE317724T | 1928-02-18 | ||
DES86499D DE596041C (de) | 1928-07-06 | 1928-07-06 | Telegraphenanlage, insbesondere mit Waehlerbetrieb, bei der die Anker der zur UEbertragung der Telegraphierzeichen verwendeten Relais (z. B. polarisierte Relais) zwei Ruhelagen besitzen |
DES90074D DE640494C (de) | 1929-02-19 | 1929-02-19 | Telegrafenanlage, bei der innerhalb der Selbstanschlussvermittlungsstelle getrennte Stromkreise fuer die beiden entgegengesetzten UEbertragungswege jeder Verbindung vorgesehen sind |
Publications (1)
Publication Number | Publication Date |
---|---|
GB306406A true GB306406A (en) | 1930-05-19 |
Family
ID=31950618
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5373/29A Expired GB306406A (en) | 1928-02-18 | 1929-02-18 | Improvements in or relating to telegraphic installations |
GB6146/29A Expired GB314974A (en) | 1928-02-18 | 1929-02-25 | Improvements in or relating to telegraphic exchange systems |
GB24987/29A Expired GB317724A (ru) | 1928-02-18 | 1929-08-15 | |
GB5431/30A Expired GB349124A (en) | 1928-02-18 | 1930-02-18 | Improvements in or relating to telegraphic installations |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB6146/29A Expired GB314974A (en) | 1928-02-18 | 1929-02-25 | Improvements in or relating to telegraphic exchange systems |
GB24987/29A Expired GB317724A (ru) | 1928-02-18 | 1929-08-15 | |
GB5431/30A Expired GB349124A (en) | 1928-02-18 | 1930-02-18 | Improvements in or relating to telegraphic installations |
Country Status (5)
Country | Link |
---|---|
US (2) | US1823978A (ru) |
BE (5) | BE267873A (ru) |
FR (1) | FR669817A (ru) |
GB (4) | GB306406A (ru) |
NL (3) | NL37568C (ru) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2468574A (en) * | 1945-03-23 | 1949-04-26 | Teletype Corp | Selective control of printer motors at outlying telegraph stations |
-
0
- NL NL36364D patent/NL36364C/xx active
- NL NL35326D patent/NL35326C/xx active
- BE BE363110D patent/BE363110A/xx unknown
- NL NL37568D patent/NL37568C/xx active
- BE BE367873D patent/BE367873A/xx unknown
- BE BE358254D patent/BE358254A/xx unknown
- BE BE386518D patent/BE386518A/xx unknown
- BE BE267873D patent/BE267873A/xx unknown
-
1929
- 1929-02-18 US US340882A patent/US1823978A/en not_active Expired - Lifetime
- 1929-02-18 GB GB5373/29A patent/GB306406A/en not_active Expired
- 1929-02-18 FR FR669817D patent/FR669817A/fr not_active Expired
- 1929-02-25 GB GB6146/29A patent/GB314974A/en not_active Expired
- 1929-08-15 GB GB24987/29A patent/GB317724A/en not_active Expired
-
1930
- 1930-02-18 GB GB5431/30A patent/GB349124A/en not_active Expired
- 1930-02-19 US US429739A patent/US1859776A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL35326C (ru) | |
FR669817A (fr) | 1929-11-21 |
GB349124A (en) | 1931-05-18 |
NL37568C (ru) | |
BE367873A (ru) | |
BE386518A (ru) | |
US1823978A (en) | 1931-09-22 |
US1859776A (en) | 1932-05-24 |
BE267873A (ru) | |
GB314974A (en) | 1930-05-26 |
BE358254A (ru) | |
GB317724A (ru) | 1930-03-27 |
BE363110A (ru) | |
NL36364C (ru) |
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