FR742592A - - Google Patents
Info
- Publication number
- FR742592A FR742592A FR742592DA FR742592A FR 742592 A FR742592 A FR 742592A FR 742592D A FR742592D A FR 742592DA FR 742592 A FR742592 A FR 742592A
- 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
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742592A true FR742592A (da) | 1933-03-10 |
Family
ID=1546983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742592D Expired FR742592A (da) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742592A (da) |
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0
- FR FR742592D patent/FR742592A/fr not_active Expired