FR40719E - Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals - Google Patents
Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signalsInfo
- Publication number
- FR40719E FR40719E FR40719DA FR40719E FR 40719 E FR40719 E FR 40719E FR 40719D A FR40719D A FR 40719DA FR 40719 E FR40719 E FR 40719E
- Authority
- FR
- France
- Prior art keywords
- transmission
- radiotelegraph
- telegraph
- signals
- automatic transmission
- 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
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/04—Apparatus or circuits at the transmitting end
- H04L15/22—Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Brushes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR583405X | 1930-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR40719E true FR40719E (en) | 1932-08-22 |
Family
ID=8958656
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR703473D Expired FR703473A (en) | 1930-10-08 | 1930-10-08 | Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals |
FR40719D Expired FR40719E (en) | 1930-10-08 | 1931-09-09 | Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR703473D Expired FR703473A (en) | 1930-10-08 | 1930-10-08 | Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE583405C (en) |
FR (2) | FR703473A (en) |
GB (1) | GB378251A (en) |
-
1930
- 1930-10-08 FR FR703473D patent/FR703473A/en not_active Expired
- 1930-11-21 DE DE1930583405D patent/DE583405C/en not_active Expired
-
1931
- 1931-09-09 FR FR40719D patent/FR40719E/en not_active Expired
- 1931-10-07 GB GB27871/31A patent/GB378251A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR703473A (en) | 1931-04-30 |
DE583405C (en) | 1933-09-04 |
GB378251A (en) | 1932-08-11 |
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