FR743240A - - Google Patents
Info
- Publication number
- FR743240A FR743240A FR743240DA FR743240A FR 743240 A FR743240 A FR 743240A FR 743240D A FR743240D A FR 743240DA FR 743240 A FR743240 A FR 743240A
- 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
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/04—Arrangements for synchronous operation
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR743240A true FR743240A (en) | 1933-03-25 |
Family
ID=1547530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR743240D Expired FR743240A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR743240A (en) |
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0
- FR FR743240D patent/FR743240A/fr not_active Expired