BE415247A - - Google Patents
Info
- Publication number
- BE415247A BE415247A BE415247DA BE415247A BE 415247 A BE415247 A BE 415247A BE 415247D A BE415247D A BE 415247DA BE 415247 A BE415247 A BE 415247A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- circuit
- group
- brushes
- telephone system
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 32
- 230000000903 blocking effect Effects 0.000 claims description 19
- 244000007853 Sarothamnus scoparius Species 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 239000007858 starting material Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 206010037742 Rabies Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE415247A true BE415247A ( ) |
Family
ID=78405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE415247D BE415247A ( ) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE415247A ( ) |
-
0
- BE BE415247D patent/BE415247A/fr unknown
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