FR2291653B2 - - Google Patents
Info
- Publication number
- FR2291653B2 FR2291653B2 FR7437705A FR7437705A FR2291653B2 FR 2291653 B2 FR2291653 B2 FR 2291653B2 FR 7437705 A FR7437705 A FR 7437705A FR 7437705 A FR7437705 A FR 7437705A FR 2291653 B2 FR2291653 B2 FR 2291653B2
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7437705A FR2291653A2 (fr) | 1974-11-15 | 1974-11-15 | Demi-suppresseur d'echo pour un terminal d'une ligne electrique a quatre fils |
| DE2457876A DE2457876C3 (de) | 1973-12-10 | 1974-12-06 | Echounterdrücker für ein Endgerät einer elektrischen Vierdrahtfernsprechleitung |
| IT30250/74A IT1030881B (it) | 1973-12-10 | 1974-12-06 | Semi soppressore di eco per un terminale di una linea elettrica a quattro fili |
| SE7415394A SE407319B (sv) | 1973-12-10 | 1974-12-09 | Halvekosperr vid telefonsystem |
| GB5322574A GB1477413A (en) | 1973-12-10 | 1974-12-09 | Half-echo suppressor for a four-wire line terminal |
| NL7416090A NL7416090A (nl) | 1973-12-10 | 1974-12-10 | Halve echo-onderdrukker voor een eindstation van een elektrische vierdraadslijn. |
| US05/531,405 US3985979A (en) | 1973-12-10 | 1974-12-10 | Half-echo suppressor for a terminal of a four-wire electric line |
| JP14123174A JPS5433086B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-12-10 | 1974-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7437705A FR2291653A2 (fr) | 1974-11-15 | 1974-11-15 | Demi-suppresseur d'echo pour un terminal d'une ligne electrique a quatre fils |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2291653A2 FR2291653A2 (fr) | 1976-06-11 |
| FR2291653B2 true FR2291653B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-01-12 |
Family
ID=9144965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7437705A Granted FR2291653A2 (fr) | 1973-12-10 | 1974-11-15 | Demi-suppresseur d'echo pour un terminal d'une ligne electrique a quatre fils |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2291653A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1974
- 1974-11-15 FR FR7437705A patent/FR2291653A2/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2291653A2 (fr) | 1976-06-11 |