GB495561A - Improvements in or relating to telegraph systems - Google Patents
Improvements in or relating to telegraph systemsInfo
- Publication number
- GB495561A GB495561A GB4305/37A GB430537A GB495561A GB 495561 A GB495561 A GB 495561A GB 4305/37 A GB4305/37 A GB 4305/37A GB 430537 A GB430537 A GB 430537A GB 495561 A GB495561 A GB 495561A
- Authority
- GB
- United Kingdom
- Prior art keywords
- release
- relay
- connection
- relays
- until
- 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
- 238000007664 blowing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- 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)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE495561X | 1936-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB495561A true GB495561A (en) | 1938-11-14 |
Family
ID=6544912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4305/37A Expired GB495561A (en) | 1936-02-14 | 1937-02-12 | Improvements in or relating to telegraph systems |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2167509A (it) |
| BE (1) | BE419981A (it) |
| FR (1) | FR817756A (it) |
| GB (1) | GB495561A (it) |
| NL (1) | NL50853C (it) |
-
0
- BE BE419981D patent/BE419981A/xx unknown
- NL NL50853D patent/NL50853C/xx active
-
1937
- 1937-02-11 FR FR817756D patent/FR817756A/fr not_active Expired
- 1937-02-12 GB GB4305/37A patent/GB495561A/en not_active Expired
- 1937-02-12 US US125445A patent/US2167509A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR817756A (fr) | 1937-09-10 |
| NL50853C (it) | |
| BE419981A (it) | |
| US2167509A (en) | 1939-07-25 |
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