NO148054C - DIGITAL REMOTE MESSAGE SYSTEM WITH AT LEAST ONE WIRING SECTION - Google Patents
DIGITAL REMOTE MESSAGE SYSTEM WITH AT LEAST ONE WIRING SECTIONInfo
- Publication number
- NO148054C NO148054C NO801480A NO801480A NO148054C NO 148054 C NO148054 C NO 148054C NO 801480 A NO801480 A NO 801480A NO 801480 A NO801480 A NO 801480A NO 148054 C NO148054 C NO 148054C
- Authority
- NO
- Norway
- Prior art keywords
- message system
- wiring section
- digital remote
- remote message
- 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 (3)
Publication Number | Publication Date |
---|---|
NO801480L NO801480L (en) | 1980-11-24 |
NO148054B NO148054B (en) | 1983-04-18 |
NO148054C true NO148054C (en) | 1983-07-27 |
Family
ID=6071334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO801480A NO148054C (en) | 1979-05-21 | 1980-05-19 | DIGITAL REMOTE MESSAGE SYSTEM WITH AT LEAST ONE WIRING SECTION |
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 |
DE112014006357T5 (en) | 2014-02-12 | 2016-10-27 | Hitachi Automotive Systems, Ltd. | cylinder device |
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 |
NL7800408A (en) * | 1977-01-17 | 1978-07-19 | Trt Telecom Radio Electr | DIGITAL ECHOCOMPENSER FOR A MODEM FOR DATA TRANSMISSION USING CARRIER MODULATION. |
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 EP EP80102472A patent/EP0019194B1/en not_active Expired
- 1980-05-06 DE DE8080102472T patent/DE3064481D1/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 BR BR8003158A patent/BR8003158A/en unknown
- 1980-05-20 AU AU58557/80A patent/AU5855780A/en not_active Abandoned
- 1980-05-20 ZA ZA00802985A patent/ZA802985B/en unknown
- 1980-05-20 FI FI801625A patent/FI801625A/en not_active Application Discontinuation
- 1980-05-20 IL IL60125A patent/IL60125A/en unknown
- 1980-05-20 JP JP6606780A patent/JPS55154838A/en active Pending
- 1980-05-21 AR AR281151A patent/AR231686A1/en active
Also Published As
Publication number | Publication date |
---|---|
NO148054B (en) | 1983-04-18 |
DK179580A (en) | 1980-11-22 |
EP0019194B1 (en) | 1983-08-03 |
EP0019194A1 (en) | 1980-11-26 |
IL60125A0 (en) | 1980-07-31 |
ZA802985B (en) | 1981-05-27 |
DE3064481D1 (en) | 1983-09-08 |
AU5855780A (en) | 1980-11-27 |
LU82109A1 (en) | 1980-04-23 |
NO801480L (en) | 1980-11-24 |
ATE4403T1 (en) | 1983-08-15 |
IL60125A (en) | 1983-02-23 |
BR8003158A (en) | 1980-12-30 |
DE2920575C2 (en) | 1981-09-17 |
MX147045A (en) | 1982-09-23 |
CA1147035A (en) | 1983-05-24 |
GB2050126B (en) | 1984-02-22 |
FI801625A (en) | 1980-11-22 |
JPS55154838A (en) | 1980-12-02 |
YU127880A (en) | 1982-10-31 |
DE2920575B1 (en) | 1980-10-23 |
GB2050126A (en) | 1980-12-31 |
AR231686A1 (en) | 1985-01-31 |
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