FR506141A - Perfectionnement aux stations de radiotélégraphie duplex - Google Patents
Perfectionnement aux stations de radiotélégraphie duplexInfo
- Publication number
- FR506141A FR506141A FR506141A FR506141DA FR506141A FR 506141 A FR506141 A FR 506141A FR 506141 A FR506141 A FR 506141A FR 506141D A FR506141D A FR 506141DA FR 506141 A FR506141 A FR 506141A
- Authority
- FR
- France
- Prior art keywords
- radiotelegraphy
- duplex
- stations
- further training
- training
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR134497X | 1919-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR506141A true FR506141A (fr) | 1920-08-14 |
Family
ID=32406642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR506141A Expired FR506141A (fr) | 1919-01-22 | 1919-01-22 | Perfectionnement aux stations de radiotélégraphie duplex |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1639686A (fr) |
| FR (1) | FR506141A (fr) |
| GB (1) | GB134497A (fr) |
-
0
- US US1639686D patent/US1639686A/en not_active Expired - Lifetime
-
1919
- 1919-01-22 FR FR506141A patent/FR506141A/fr not_active Expired
- 1919-05-24 GB GB13122/19A patent/GB134497A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB134497A (en) | 1919-11-06 |
| US1639686A (en) | 1927-08-23 |
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