FR478984A - Improvements in telegraphy - Google Patents
Improvements in telegraphyInfo
- Publication number
- FR478984A FR478984A FR478984A FR478984DA FR478984A FR 478984 A FR478984 A FR 478984A FR 478984 A FR478984 A FR 478984A FR 478984D A FR478984D A FR 478984DA FR 478984 A FR478984 A FR 478984A
- 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
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/24—Half-wave signalling systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB191422265T | 1914-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR478984A true FR478984A (en) | 1916-01-26 |
Family
ID=32587169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR478984A Expired FR478984A (en) | 1914-11-09 | 1915-06-09 | Improvements in telegraphy |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU1786515B (en) |
DE (1) | DE320414C (en) |
FR (1) | FR478984A (en) |
GB (1) | GB191422265A (en) |
-
1914
- 1914-11-09 GB GB191422265D patent/GB191422265A/en not_active Expired
-
1915
- 1915-06-09 FR FR478984A patent/FR478984A/en not_active Expired
- 1915-10-21 DE DE1915320414D patent/DE320414C/en not_active Expired
- 1915-11-06 AU AU17865/15A patent/AU1786515B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE320414C (en) | 1920-04-27 |
GB191422265A (en) | 1915-11-09 |
AU1786515B (en) | 1916-03-07 |
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