BE435530A - - Google Patents
Info
- Publication number
- BE435530A BE435530A BE435530DA BE435530A BE 435530 A BE435530 A BE 435530A BE 435530D A BE435530D A BE 435530DA BE 435530 A BE435530 A BE 435530A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- diagram according
- relays
- pulses
- earth
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE435530A true BE435530A (https=) |
Family
ID=94404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE435530D BE435530A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE435530A (https=) |
-
0
- BE BE435530D patent/BE435530A/fr unknown
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