JPS5317451B2 - - Google Patents
Info
- Publication number
- JPS5317451B2 JPS5317451B2 JP9237173A JP9237173A JPS5317451B2 JP S5317451 B2 JPS5317451 B2 JP S5317451B2 JP 9237173 A JP9237173 A JP 9237173A JP 9237173 A JP9237173 A JP 9237173A JP S5317451 B2 JPS5317451 B2 JP S5317451B2
- Authority
- JP
- Japan
- 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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Analogue/Digital Conversion (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9237173A JPS5317451B2 (US06811534-20041102-M00003.png) | 1973-08-20 | 1973-08-20 | |
| DE19742439655 DE2439655A1 (de) | 1973-08-20 | 1974-08-19 | Digitales multiplex-echounterdrueckungssystem |
| FR7428429A FR2246131A1 (en) | 1973-08-20 | 1974-08-19 | Digital multiplex echo suppression system - has two storage devices at transmission and reception sides |
| CA207,291A CA1056522A (en) | 1973-08-20 | 1974-08-19 | Multiplex digital echo suppression system |
| US05/661,381 US4051332A (en) | 1973-08-20 | 1976-02-25 | Multiplex digital echo suppression system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9237173A JPS5317451B2 (US06811534-20041102-M00003.png) | 1973-08-20 | 1973-08-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5042717A JPS5042717A (US06811534-20041102-M00003.png) | 1975-04-18 |
| JPS5317451B2 true JPS5317451B2 (US06811534-20041102-M00003.png) | 1978-06-08 |
Family
ID=14052550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9237173A Expired JPS5317451B2 (US06811534-20041102-M00003.png) | 1973-08-20 | 1973-08-20 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5317451B2 (US06811534-20041102-M00003.png) |
| CA (1) | CA1056522A (US06811534-20041102-M00003.png) |
| DE (1) | DE2439655A1 (US06811534-20041102-M00003.png) |
| FR (1) | FR2246131A1 (US06811534-20041102-M00003.png) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54179843U (US06811534-20041102-M00003.png) * | 1978-06-05 | 1979-12-19 | ||
| JPS5554901A (en) * | 1978-10-20 | 1980-04-22 | Hidetoshi Tanaka | Production of shoe insole |
| JPS5545761Y2 (US06811534-20041102-M00003.png) * | 1976-07-29 | 1980-10-27 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828971B2 (ja) * | 1977-12-20 | 1983-06-20 | 日本電気株式会社 | 多重化デジタル反響阻止装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3499999A (en) * | 1966-10-31 | 1970-03-10 | Bell Telephone Labor Inc | Closed loop adaptive echo canceller using generalized filter networks |
| US3562448A (en) * | 1968-06-21 | 1971-02-09 | Bell Telephone Labor Inc | Common control digital echo suppression |
| US3632905A (en) * | 1969-12-19 | 1972-01-04 | Bell Telephone Labor Inc | Method for improving the settling time of a transversal filter adaptive echo canceller |
-
1973
- 1973-08-20 JP JP9237173A patent/JPS5317451B2/ja not_active Expired
-
1974
- 1974-08-19 CA CA207,291A patent/CA1056522A/en not_active Expired
- 1974-08-19 DE DE19742439655 patent/DE2439655A1/de not_active Ceased
- 1974-08-19 FR FR7428429A patent/FR2246131A1/fr active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5545761Y2 (US06811534-20041102-M00003.png) * | 1976-07-29 | 1980-10-27 | ||
| JPS54179843U (US06811534-20041102-M00003.png) * | 1978-06-05 | 1979-12-19 | ||
| JPS5554901A (en) * | 1978-10-20 | 1980-04-22 | Hidetoshi Tanaka | Production of shoe insole |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1056522A (en) | 1979-06-12 |
| JPS5042717A (US06811534-20041102-M00003.png) | 1975-04-18 |
| FR2246131A1 (en) | 1975-04-25 |
| FR2246131B1 (US06811534-20041102-M00003.png) | 1980-03-21 |
| DE2439655A1 (de) | 1975-03-27 |
