GB543616A - Improvements in or relating to telegraph transmitting apparatus - Google Patents
Improvements in or relating to telegraph transmitting apparatusInfo
- Publication number
- GB543616A GB543616A GB1385740A GB1385740A GB543616A GB 543616 A GB543616 A GB 543616A GB 1385740 A GB1385740 A GB 1385740A GB 1385740 A GB1385740 A GB 1385740A GB 543616 A GB543616 A GB 543616A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- release
- key
- answer
- released
- 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
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 230000008054 signal transmission Effects 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
- H04L12/02—Details
- H04L12/06—Answer-back mechanisms or circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR959146D FR959146A (enrdf_load_stackoverflow) | 1940-09-04 | ||
GB1385740A GB543616A (en) | 1940-09-04 | 1940-09-04 | Improvements in or relating to telegraph transmitting apparatus |
FR928816D FR928816A (fr) | 1940-09-04 | 1946-04-01 | Appareil de transmission télégraphique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1385740A GB543616A (en) | 1940-09-04 | 1940-09-04 | Improvements in or relating to telegraph transmitting apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB543616A true GB543616A (en) | 1942-03-05 |
Family
ID=10030635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1385740A Expired GB543616A (en) | 1940-09-04 | 1940-09-04 | Improvements in or relating to telegraph transmitting apparatus |
Country Status (2)
Country | Link |
---|---|
FR (2) | FR928816A (enrdf_load_stackoverflow) |
GB (1) | GB543616A (enrdf_load_stackoverflow) |
-
0
- FR FR959146D patent/FR959146A/fr not_active Expired
-
1940
- 1940-09-04 GB GB1385740A patent/GB543616A/en not_active Expired
-
1946
- 1946-04-01 FR FR928816D patent/FR928816A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR959146A (enrdf_load_stackoverflow) | 1950-03-24 |
FR928816A (fr) | 1947-12-09 |
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