BE446545A - - Google Patents
Info
- Publication number
- BE446545A BE446545A BE446545DA BE446545A BE 446545 A BE446545 A BE 446545A BE 446545D A BE446545D A BE 446545DA BE 446545 A BE446545 A BE 446545A
- Authority
- BE
- Belgium
- Prior art keywords
- relays
- relay
- contacts
- station
- signaling system
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
-
- 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)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Relay Circuits (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE446545A true BE446545A (cs) |
Family
ID=102635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE446545D BE446545A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE446545A (cs) |
-
0
- BE BE446545D patent/BE446545A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE446545A (cs) | ||
| US1577869A (en) | Recording instrument | |
| US1478005A (en) | Signaling system | |
| US1340935A (en) | Telephone-exchange system | |
| US2542880A (en) | Condition-responsive apparatus for calling preselected telephone numbers | |
| US3046341A (en) | Postpay paystation circuit providing special service | |
| US1312688A (en) | Plancxtrai | |
| BE467275A (cs) | ||
| US3087017A (en) | Prepay paystation telephone arrangement | |
| US1120207A (en) | Selective signaling system. | |
| BE528427A (cs) | ||
| US1171520A (en) | Calling device. | |
| US650358A (en) | Fire-alarm telegraph apparatus. | |
| US1367705A (en) | Automatic telephone system | |
| US1672517A (en) | Telephone-call recorder | |
| US2255881A (en) | Telephone system and automatic switch suitable for use therein | |
| US1233037A (en) | Fire-alarm system for telephone-exchanges using line-distributers. | |
| GB190326848A (en) | Telephone Systems | |
| BE337358A (cs) | ||
| BE438585A (cs) | ||
| BE439476A (cs) | ||
| CH96784A (fr) | Appareil pour installation électrique de signalisation. | |
| GB191309205A (en) | Improvements in or in connection with Automatic Telephones. | |
| BE433724A (cs) | ||
| BE499282A (cs) |