BE515972A - - Google Patents
Info
- Publication number
- BE515972A BE515972A BE515972DA BE515972A BE 515972 A BE515972 A BE 515972A BE 515972D A BE515972D A BE 515972DA BE 515972 A BE515972 A BE 515972A
- Authority
- BE
- Belgium
- Prior art keywords
- station
- microphone
- installation according
- telephone installation
- telephone
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims description 21
- 230000003321 amplification Effects 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- WALCGGIJOOWJIN-UHFFFAOYSA-N iron(ii) selenide Chemical compound [Se]=[Fe] WALCGGIJOOWJIN-UHFFFAOYSA-N 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE515972A true BE515972A (h) |
Family
ID=153312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE515972D BE515972A (h) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE515972A (h) |
-
0
- BE BE515972D patent/BE515972A/fr unknown
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