IL60125A - Four-wire line arrangement for use in a digital telecommunications system - Google Patents
Four-wire line arrangement for use in a digital telecommunications systemInfo
- Publication number
- IL60125A IL60125A IL60125A IL6012580A IL60125A IL 60125 A IL60125 A IL 60125A IL 60125 A IL60125 A IL 60125A IL 6012580 A IL6012580 A IL 6012580A IL 60125 A IL60125 A IL 60125A
- Authority
- IL
- Israel
- Prior art keywords
- telecommunications system
- wire line
- line arrangement
- digital telecommunications
- digital
- Prior art date
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
- H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
- H04B3/231—Echo cancellers using readout of a memory to provide the echo replica
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Dc Digital Transmission (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2920575A DE2920575C2 (en) | 1979-05-21 | 1979-05-21 | Digital telecommunications system with at least one four-wire line section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL60125A0 IL60125A0 (en) | 1980-07-31 |
| IL60125A true IL60125A (en) | 1983-02-23 |
Family
ID=6071334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL60125A IL60125A (en) | 1979-05-21 | 1980-05-20 | Four-wire line arrangement for use in a digital telecommunications system |
Country Status (17)
| Country | Link |
|---|---|
| EP (1) | EP0019194B1 (en) |
| JP (1) | JPS55154838A (en) |
| AR (1) | AR231686A1 (en) |
| AT (1) | ATE4403T1 (en) |
| AU (1) | AU5855780A (en) |
| BR (1) | BR8003158A (en) |
| CA (1) | CA1147035A (en) |
| DE (2) | DE2920575C2 (en) |
| DK (1) | DK179580A (en) |
| FI (1) | FI801625A (en) |
| GB (1) | GB2050126B (en) |
| IL (1) | IL60125A (en) |
| LU (1) | LU82109A1 (en) |
| MX (1) | MX147045A (en) |
| NO (1) | NO148054C (en) |
| YU (1) | YU127880A (en) |
| ZA (1) | ZA802985B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3116863C2 (en) * | 1981-04-28 | 1985-08-08 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for digital signal echo cancellation |
| DE3121545C2 (en) * | 1981-05-29 | 1986-12-04 | Siemens AG, 1000 Berlin und 8000 München | Crosstalk and / or Echo cancellation circuit |
| CA1186029A (en) * | 1982-06-11 | 1985-04-23 | Gordon F. Mein | Automatic correction circuit for received digitally encoded signals |
| GB2123259A (en) * | 1982-06-25 | 1984-01-25 | Philips Electronic Associated | Digital duplex communication system |
| DE3327467A1 (en) * | 1983-07-29 | 1985-02-14 | Siemens AG, 1000 Berlin und 8000 München | METHOD AND CIRCUIT ARRANGEMENT FOR COMPENSATING ECHO SIGNALS |
| DE3719590A1 (en) * | 1987-06-12 | 1988-12-29 | Telefonbau & Normalzeit Gmbh | Method for equalising digital signals |
| DE3730234A1 (en) * | 1987-09-09 | 1989-03-30 | Telefonbau & Normalzeit Gmbh | Method for echo suppression |
| CN105980731B (en) | 2014-02-12 | 2018-04-27 | 日立汽车系统株式会社 | Cylinder apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1522663A (en) * | 1975-07-11 | 1978-08-23 | Milgo Electronic Corp | Data modems with automatic equalization drop-out detection and data echo protection |
| IT1091970B (en) * | 1977-01-17 | 1985-07-06 | Trt Telecom Radio Electr | DIGITAL DEVICE FOR THE CANCELLATION OF ECHOES, FOR A MODULATOR / DEMODULATOR, FOR THE TRANSMISSION OF DATA THROUGH MODULATION OF A CARRIER |
| NO140648C (en) * | 1977-10-24 | 1983-03-29 | Elektrisk Bureau As | DIRECTIVE CONNECTOR. |
-
1979
- 1979-05-21 DE DE2920575A patent/DE2920575C2/en not_active Expired
-
1980
- 1980-01-25 LU LU82109A patent/LU82109A1/en unknown
- 1980-04-25 DK DK179580A patent/DK179580A/en not_active Application Discontinuation
- 1980-05-02 GB GB8014749A patent/GB2050126B/en not_active Expired
- 1980-05-06 AT AT80102472T patent/ATE4403T1/en not_active IP Right Cessation
- 1980-05-06 DE DE8080102472T patent/DE3064481D1/en not_active Expired
- 1980-05-06 EP EP80102472A patent/EP0019194B1/en not_active Expired
- 1980-05-14 YU YU01278/80A patent/YU127880A/en unknown
- 1980-05-16 CA CA000352115A patent/CA1147035A/en not_active Expired
- 1980-05-19 MX MX182376A patent/MX147045A/en unknown
- 1980-05-19 NO NO801480A patent/NO148054C/en unknown
- 1980-05-20 IL IL60125A patent/IL60125A/en unknown
- 1980-05-20 FI FI801625A patent/FI801625A/en not_active Application Discontinuation
- 1980-05-20 JP JP6606780A patent/JPS55154838A/en active Pending
- 1980-05-20 AU AU58557/80A patent/AU5855780A/en not_active Abandoned
- 1980-05-20 ZA ZA00802985A patent/ZA802985B/en unknown
- 1980-05-20 BR BR8003158A patent/BR8003158A/en unknown
- 1980-05-21 AR AR281151A patent/AR231686A1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| NO801480L (en) | 1980-11-24 |
| YU127880A (en) | 1982-10-31 |
| GB2050126A (en) | 1980-12-31 |
| CA1147035A (en) | 1983-05-24 |
| LU82109A1 (en) | 1980-04-23 |
| EP0019194A1 (en) | 1980-11-26 |
| EP0019194B1 (en) | 1983-08-03 |
| AU5855780A (en) | 1980-11-27 |
| BR8003158A (en) | 1980-12-30 |
| IL60125A0 (en) | 1980-07-31 |
| DE2920575B1 (en) | 1980-10-23 |
| DE3064481D1 (en) | 1983-09-08 |
| ATE4403T1 (en) | 1983-08-15 |
| DE2920575C2 (en) | 1981-09-17 |
| NO148054B (en) | 1983-04-18 |
| NO148054C (en) | 1983-07-27 |
| DK179580A (en) | 1980-11-22 |
| ZA802985B (en) | 1981-05-27 |
| MX147045A (en) | 1982-09-23 |
| GB2050126B (en) | 1984-02-22 |
| AR231686A1 (en) | 1985-01-31 |
| FI801625A (en) | 1980-11-22 |
| JPS55154838A (en) | 1980-12-02 |
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