FR2452210B1 - - Google Patents
Info
- Publication number
- FR2452210B1 FR2452210B1 FR7907108A FR7907108A FR2452210B1 FR 2452210 B1 FR2452210 B1 FR 2452210B1 FR 7907108 A FR7907108 A FR 7907108A FR 7907108 A FR7907108 A FR 7907108A FR 2452210 B1 FR2452210 B1 FR 2452210B1
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7907108A FR2452210A1 (fr) | 1979-03-21 | 1979-03-21 | Suppresseur d'echo auto-adaptatif |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7907108A FR2452210A1 (fr) | 1979-03-21 | 1979-03-21 | Suppresseur d'echo auto-adaptatif |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2452210A1 FR2452210A1 (fr) | 1980-10-17 |
| FR2452210B1 true FR2452210B1 (oth) | 1982-02-12 |
Family
ID=9223386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7907108A Granted FR2452210A1 (fr) | 1979-03-21 | 1979-03-21 | Suppresseur d'echo auto-adaptatif |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2452210A1 (oth) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992594A (en) * | 1975-10-10 | 1976-11-16 | Bell Telephone Laboratories, Incorporated | Echo suppressor break-in circuitry |
| US4088851A (en) * | 1976-04-28 | 1978-05-09 | Wescom, Inc. | Digital echo suppressor |
| JPS6050092B2 (ja) * | 1977-11-08 | 1985-11-06 | ケイディディ株式会社 | 適応制御型反響阻止装置 |
-
1979
- 1979-03-21 FR FR7907108A patent/FR2452210A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2452210A1 (fr) | 1980-10-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |