FR580676A - - Google Patents
Info
- Publication number
- FR580676A FR580676A FR580676DA FR580676A FR 580676 A FR580676 A FR 580676A FR 580676D A FR580676D A FR 580676DA FR 580676 A FR580676 A FR 580676A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR580676A true FR580676A (en, 2012) | 1924-11-13 |
Family
ID=1539561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR580676D Expired FR580676A (en, 2012) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR580676A (en, 2012) |
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0
- FR FR580676D patent/FR580676A/fr not_active Expired