BE676230A - - Google Patents
Info
- Publication number
- BE676230A BE676230A BE676230DA BE676230A BE 676230 A BE676230 A BE 676230A BE 676230D A BE676230D A BE 676230DA BE 676230 A BE676230 A BE 676230A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
-
- 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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR5889A FR1435022A (fr) | 1965-02-17 | 1965-02-17 | Perfectionnements aux systèmes de télécommunications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE676230A true BE676230A (en:Method) | 1966-08-09 |
Family
ID=8571156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE676230D BE676230A (en:Method) | 1965-02-17 | 1966-02-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3462561A (en:Method) |
| BE (1) | BE676230A (en:Method) |
| DE (1) | DE1487254B2 (en:Method) |
| FR (1) | FR1435022A (en:Method) |
| GB (1) | GB1114911A (en:Method) |
| NL (1) | NL6602059A (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3591735A (en) * | 1968-05-13 | 1971-07-06 | Fred A Brooks | Analog voice processing for a transmission system |
| JPS535008B2 (en:Method) * | 1972-05-15 | 1978-02-23 | ||
| FR2537756B1 (fr) * | 1982-12-10 | 1985-11-08 | Thomson Csf | Dispositif de traitement de la parole pour equipements radioelectriques adaptes a la transmission et a la reception de la parole |
| US4726062A (en) * | 1985-12-11 | 1988-02-16 | Harris Corporation | Duplex hands-free communications circuit |
| US5544047A (en) * | 1993-12-29 | 1996-08-06 | International Business Machines Corporation | Reflective wave compensation on high speed processor cards |
| US5757654A (en) * | 1993-12-29 | 1998-05-26 | International Business Machines Corp. | Reflective wave compensation on high speed processor cards |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2825764A (en) * | 1954-02-24 | 1958-03-04 | Bell Telephone Labor Inc | Cross-control compandor used as echo suppressors |
| US3183313A (en) * | 1960-12-16 | 1965-05-11 | Bell Telephone Labor Inc | Echo suppressor operable by a pilot tone |
-
1965
- 1965-02-17 FR FR5889A patent/FR1435022A/fr not_active Expired
-
1966
- 1966-02-07 US US525526A patent/US3462561A/en not_active Expired - Lifetime
- 1966-02-09 BE BE676230D patent/BE676230A/xx unknown
- 1966-02-14 GB GB6407/66A patent/GB1114911A/en not_active Expired
- 1966-02-16 DE DE19661487254 patent/DE1487254B2/de not_active Withdrawn
- 1966-02-17 NL NL6602059A patent/NL6602059A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1114911A (en) | 1968-05-22 |
| US3462561A (en) | 1969-08-19 |
| DE1487254B2 (de) | 1970-11-05 |
| FR1435022A (fr) | 1966-04-15 |
| NL6602059A (en:Method) | 1966-08-18 |
| DE1487254A1 (de) | 1969-04-03 |