BE434872A - - Google Patents
Info
- Publication number
- BE434872A BE434872A BE434872DA BE434872A BE 434872 A BE434872 A BE 434872A BE 434872D A BE434872D A BE 434872DA BE 434872 A BE434872 A BE 434872A
- Authority
- BE
- Belgium
- Prior art keywords
- central
- installation
- telephone
- alarm device
- signal lamp
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims description 13
- 238000012806 monitoring device Methods 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434872A true BE434872A (instruction) |
Family
ID=93905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434872D BE434872A (instruction) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE434872A (instruction) |
-
0
- BE BE434872D patent/BE434872A/nl unknown
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