FR527239A - Perfectionnements apportés en télégraphie - Google Patents
Perfectionnements apportés en télégraphieInfo
- Publication number
- FR527239A FR527239A FR527239DA FR527239A FR 527239 A FR527239 A FR 527239A FR 527239D A FR527239D A FR 527239DA FR 527239 A FR527239 A FR 527239A
- Authority
- FR
- France
- Prior art keywords
- telegraphy
- 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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/04—Channels characterised by the type of signal the signals being represented by different amplitudes or polarities, e.g. quadriplex
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2932219A GB159316A (en) | 1919-11-25 | 1919-11-25 | Improvements in telegraphy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR527239A true FR527239A (fr) | 1921-10-22 |
Family
ID=10289711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR527239D Expired FR527239A (fr) | 1919-11-25 | 1920-11-15 | Perfectionnements apportés en télégraphie |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR527239A (fr) |
| GB (1) | GB159316A (fr) |
-
1919
- 1919-11-25 GB GB2932219A patent/GB159316A/en not_active Expired
-
1920
- 1920-11-15 FR FR527239D patent/FR527239A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB159316A (en) | 1921-02-25 |
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