GB521005A - Improvements in or relating to teleprinter exchange systems - Google Patents
Improvements in or relating to teleprinter exchange systemsInfo
- Publication number
- GB521005A GB521005A GB32391/38A GB3239138A GB521005A GB 521005 A GB521005 A GB 521005A GB 32391/38 A GB32391/38 A GB 32391/38A GB 3239138 A GB3239138 A GB 3239138A GB 521005 A GB521005 A GB 521005A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- energizes
- lead
- locks
- perforator
- 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
- H04L12/00—Data switching networks
- H04L12/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB219315X | 1938-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB521005A true GB521005A (en) | 1940-05-09 |
Family
ID=10171210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32391/38A Expired GB521005A (en) | 1938-11-08 | 1938-11-08 | Improvements in or relating to teleprinter exchange systems |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE436963A (enrdf_load_stackoverflow) |
CH (1) | CH219315A (enrdf_load_stackoverflow) |
FR (1) | FR861483A (enrdf_load_stackoverflow) |
GB (1) | GB521005A (enrdf_load_stackoverflow) |
-
0
- BE BE436963D patent/BE436963A/xx unknown
-
1938
- 1938-11-08 GB GB32391/38A patent/GB521005A/en not_active Expired
-
1939
- 1939-11-08 FR FR861483D patent/FR861483A/fr not_active Expired
- 1939-11-16 CH CH219315D patent/CH219315A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
CH219315A (fr) | 1942-01-31 |
FR861483A (fr) | 1941-02-10 |
BE436963A (enrdf_load_stackoverflow) |
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