FR742519A - - Google Patents
Info
- Publication number
- FR742519A FR742519A FR742519DA FR742519A FR 742519 A FR742519 A FR 742519A FR 742519D A FR742519D A FR 742519DA FR 742519 A FR742519 A FR 742519A
- Authority
- FR
- France
- 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
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742519A true FR742519A (xx) | 1933-03-08 |
Family
ID=1546918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742519D Expired FR742519A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742519A (xx) |
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0
- FR FR742519D patent/FR742519A/fr not_active Expired