BE425889A - - Google Patents
Info
- Publication number
- BE425889A BE425889A BE425889DA BE425889A BE 425889 A BE425889 A BE 425889A BE 425889D A BE425889D A BE 425889DA BE 425889 A BE425889 A BE 425889A
- Authority
- BE
- Belgium
- Prior art keywords
- contact
- relay
- control
- line
- switching
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000000750 progressive effect Effects 0.000 description 6
- 241000269400 Sirenidae Species 0.000 description 5
- 230000005284 excitation Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR 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
- G08B27/006—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations with transmission via telephone network
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425889A true BE425889A (pm) |
Family
ID=86797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425889D BE425889A (pm) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE425889A (pm) |
-
0
- BE BE425889D patent/BE425889A/fr unknown
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