FR554229A - - Google Patents
Info
- Publication number
- FR554229A FR554229A FR554229DA FR554229A FR 554229 A FR554229 A FR 554229A FR 554229D A FR554229D A FR 554229DA FR 554229 A FR554229 A FR 554229A
- 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 |
|---|---|
| FR554229A true FR554229A (forum.php) | 1923-06-07 |
Family
ID=1538561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR554229D Expired FR554229A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR554229A (forum.php) |
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0
- FR FR554229D patent/FR554229A/fr not_active Expired