BE830202A - - Google Patents
Info
- Publication number
- BE830202A BE830202A BE157296A BE157296A BE830202A BE 830202 A BE830202 A BE 830202A BE 157296 A BE157296 A BE 157296A BE 157296 A BE157296 A BE 157296A BE 830202 A BE830202 A BE 830202A
- Authority
- BE
- Belgium
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)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Analogue/Digital Conversion (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/479,061 US3937907A (en) | 1974-06-13 | 1974-06-13 | Digital echo suppressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE830202A true BE830202A (fr) | 1975-10-01 |
Family
ID=23902505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE157296A BE830202A (fr) | 1974-06-13 | 1975-06-13 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3937907A (fr) |
| JP (1) | JPS516413A (fr) |
| BE (1) | BE830202A (fr) |
| BR (1) | BR7504046A (fr) |
| CA (1) | CA1036735A (fr) |
| DE (1) | DE2526503A1 (fr) |
| FR (1) | FR2275075A1 (fr) |
| GB (1) | GB1495638A (fr) |
| IT (1) | IT1036264B (fr) |
| NL (1) | NL7506964A (fr) |
| SE (1) | SE396868B (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5338491B2 (fr) * | 1972-12-28 | 1978-10-16 | ||
| US4051332A (en) * | 1973-08-20 | 1977-09-27 | Nippon Telegraph And Telephone Public Corporation | Multiplex digital echo suppression system |
| US4024358A (en) * | 1975-10-31 | 1977-05-17 | Communications Satellite Corporation (Comsat) | Adaptive echo canceller using differential pulse code modulation encoding |
| US4088851A (en) * | 1976-04-28 | 1978-05-09 | Wescom, Inc. | Digital echo suppressor |
| JPS5355857A (en) * | 1976-10-29 | 1978-05-20 | Ishikawajima Harima Heavy Ind Co Ltd | Climbing crane |
| US4115668A (en) * | 1977-04-29 | 1978-09-19 | Harvey Hubbell Incorporated | Echo suppressor with SF transmission and regeneration |
| FR2404969A1 (fr) * | 1977-10-03 | 1979-04-27 | Cit Alcatel | Demi-suppresseur d'echo pour une ligne telephonique a quatre fils |
| US4123626A (en) * | 1977-11-23 | 1978-10-31 | Northern Telecom Limited | Digital echo attenuation circuit for a telephone system |
| US4110560A (en) * | 1977-11-23 | 1978-08-29 | Gte Sylvania Incorporated | Communication apparatus |
| US4215252A (en) * | 1978-09-27 | 1980-07-29 | Communications Satellite Corporation | Video teleconference audio echo control unit |
| JPS5647889U (fr) * | 1980-08-22 | 1981-04-28 | ||
| DE4119963A1 (de) * | 1991-06-18 | 1992-12-24 | Philips Patentverwaltung | Echokompensator |
| KR20090105471A (ko) * | 2008-04-02 | 2009-10-07 | 엘지전자 주식회사 | 왕복동모터 및 이를 채용한 왕복동식 압축기 |
| RU210266U1 (ru) * | 2021-05-04 | 2022-04-05 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный университет телекоммуникаций и информатики" (СибГУТИ) | Универсальный инвариантный эхокомпенсатор для нелинейного эхотракта |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3562448A (en) * | 1968-06-21 | 1971-02-09 | Bell Telephone Labor Inc | Common control digital echo suppression |
| US3673355A (en) * | 1970-09-02 | 1972-06-27 | Bell Telephone Labor Inc | Common control digital echo suppression |
| US3821494A (en) * | 1972-07-14 | 1974-06-28 | Ibm | Digital echo suppressor with direct table look up control by delta coded signals |
| US3823275A (en) * | 1972-08-10 | 1974-07-09 | Bell Telephone Labor Inc | Common control digital echo suppressor |
-
1974
- 1974-06-13 US US05/479,061 patent/US3937907A/en not_active Expired - Lifetime
-
1975
- 1975-05-16 CA CA227,190A patent/CA1036735A/fr not_active Expired
- 1975-05-21 GB GB21704/75A patent/GB1495638A/en not_active Expired
- 1975-06-03 JP JP50066976A patent/JPS516413A/ja active Pending
- 1975-06-04 SE SE7506359A patent/SE396868B/xx unknown
- 1975-06-10 IT IT68492/75A patent/IT1036264B/it active
- 1975-06-11 FR FR7518287A patent/FR2275075A1/fr not_active Withdrawn
- 1975-06-11 NL NL7506964A patent/NL7506964A/xx not_active Application Discontinuation
- 1975-06-12 BR BR4780/75D patent/BR7504046A/pt unknown
- 1975-06-13 BE BE157296A patent/BE830202A/xx unknown
- 1975-06-13 DE DE19752526503 patent/DE2526503A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1495638A (en) | 1977-12-21 |
| CA1036735A (fr) | 1978-08-15 |
| DE2526503A1 (de) | 1976-01-02 |
| BR7504046A (pt) | 1976-07-06 |
| NL7506964A (nl) | 1975-12-16 |
| FR2275075A1 (fr) | 1976-01-09 |
| AU8153875A (en) | 1976-12-02 |
| SE396868B (sv) | 1977-10-03 |
| SE7506359L (sv) | 1975-12-15 |
| JPS516413A (en) | 1976-01-20 |
| IT1036264B (it) | 1979-10-30 |
| US3937907A (en) | 1976-02-10 |