BE467274A - - Google Patents
Info
- Publication number
- BE467274A BE467274A BE467274DA BE467274A BE 467274 A BE467274 A BE 467274A BE 467274D A BE467274D A BE 467274DA BE 467274 A BE467274 A BE 467274A
- Authority
- BE
- Belgium
- Prior art keywords
- substation
- circuit
- relay
- telephone
- call
- Prior art date
Links
- 239000004020 conductor Substances 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000011664 signaling 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 |
|---|---|
| BE467274A true BE467274A (en:Method) |
Family
ID=118340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE467274D BE467274A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE467274A (en:Method) |
-
0
- BE BE467274D patent/BE467274A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2770361A1 (fr) | Processeur non lineaire pour suppresseur d'echo acoustique | |
| BE467274A (en:Method) | ||
| EP0571518A1 (fr) | Telecopieur a communications diverses | |
| EP0294303A1 (fr) | Circuit pour poste téléphonique incorporant une protection contre les surcharges de tension | |
| FR2793633A1 (fr) | Dispositif de filtrage passe-bas avec isolateur integre et installation privative comportant un tel dispositif | |
| EP0406799B1 (fr) | Terminal de vidéographie multi-fonctions | |
| BE466692A (en:Method) | ||
| BE438657A (en:Method) | ||
| BE413277A (en:Method) | ||
| BE417423A (en:Method) | ||
| US1628697A (en) | Program transmission over wires | |
| BE470230A (en:Method) | ||
| BE440831A (en:Method) | ||
| BE422189A (en:Method) | ||
| BE380134A (en:Method) | ||
| BE481072A (en:Method) | ||
| JPH08214342A (ja) | 帯域内信号通信システム | |
| CH106044A (fr) | Installation téléphonique pour bureau privé annexe. | |
| CH198010A (fr) | Installation téléphonique à batterie centrale. | |
| BE429502A (en:Method) | ||
| BE426815A (en:Method) | ||
| BE415524A (en:Method) | ||
| BE475393A (en:Method) | ||
| BE476206A (en:Method) | ||
| BE433473A (en:Method) |