GB140807A - Electric signalling systems - Google Patents
Electric signalling systemsInfo
- Publication number
- GB140807A GB140807A GB8878/20A GB887820A GB140807A GB 140807 A GB140807 A GB 140807A GB 8878/20 A GB8878/20 A GB 8878/20A GB 887820 A GB887820 A GB 887820A GB 140807 A GB140807 A GB 140807A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filament
- grid
- modulator
- plate
- signalling systems
- 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
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
Landscapes
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US140807XA | 1914-11-14 | 1914-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB140807A true GB140807A (en) | 1921-03-17 |
Family
ID=21763417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8878/20A Expired GB140807A (en) | 1914-11-14 | 1920-03-26 | Electric signalling systems |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE353645C (de) |
FR (1) | FR513760A (de) |
GB (1) | GB140807A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3034838A (en) * | 1961-05-10 | 1962-05-15 | Tann Corp | Bearing |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE758535C (de) * | 1939-02-16 | 1953-01-26 | Marconi Wireless Telegraph Co | Modulationsschaltung, insbesondere zur Breitbandmodulation eines Hochfrequenzsenders |
-
1920
- 1920-02-20 DE DE1920353645D patent/DE353645C/de not_active Expired
- 1920-03-26 GB GB8878/20A patent/GB140807A/en not_active Expired
- 1920-04-15 FR FR513760A patent/FR513760A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3034838A (en) * | 1961-05-10 | 1962-05-15 | Tann Corp | Bearing |
Also Published As
Publication number | Publication date |
---|---|
FR513760A (fr) | 1921-02-23 |
DE353645C (de) | 1922-05-23 |
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