DK201688D0 - Fremgangsmaade og kredsloeb til indstilling af programmerbare gaffelkoblingers abonnentledningsbalanceringsimpedanser - Google Patents
Fremgangsmaade og kredsloeb til indstilling af programmerbare gaffelkoblingers abonnentledningsbalanceringsimpedanserInfo
- Publication number
- DK201688D0 DK201688D0 DK201688A DK201688A DK201688D0 DK 201688 D0 DK201688 D0 DK 201688D0 DK 201688 A DK201688 A DK 201688A DK 201688 A DK201688 A DK 201688A DK 201688 D0 DK201688 D0 DK 201688D0
- Authority
- DK
- Denmark
- Prior art keywords
- forklough
- connections
- procedure
- circuit
- setting programmable
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/03—Hybrid circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3712662 | 1987-04-14 | ||
DE3712662 | 1987-04-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK201688D0 true DK201688D0 (da) | 1988-04-13 |
DK201688A DK201688A (da) | 1988-10-15 |
DK169115B1 DK169115B1 (da) | 1994-08-15 |
Family
ID=6325607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK201688A DK169115B1 (da) | 1987-04-14 | 1988-04-13 | Fremgangsmåde og kredsløb til indstilling af programmerbare gaffelkoblingers abonnentlednings-balanceringsimpedanser |
Country Status (11)
Country | Link |
---|---|
US (1) | US5043977A (da) |
EP (1) | EP0286835B1 (da) |
JP (1) | JPS63263992A (da) |
AR (1) | AR243047A1 (da) |
AT (1) | ATE71783T1 (da) |
BR (1) | BR8801756A (da) |
DE (1) | DE3867676D1 (da) |
DK (1) | DK169115B1 (da) |
FI (1) | FI88090C (da) |
GR (1) | GR3004340T3 (da) |
PT (1) | PT87228B (da) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59108356D1 (de) * | 1990-04-12 | 1997-01-02 | Siemens Ag | Verfahren zum Überprüfen von Übertragungseigenschaften einer Teilnehmeranschlussschaltung |
SE501975C2 (sv) * | 1993-11-09 | 1995-07-03 | Ericsson Telefon Ab L M | Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning |
DE10120070A1 (de) * | 2001-04-24 | 2002-11-07 | Siemens Ag | Vorrichtung und Verfahren zum Anpassen der Leitungseigenschaften bei hochbitratigen Datenübertragungen |
CN112964963B (zh) * | 2021-02-07 | 2024-06-04 | 中国南方电网有限责任公司 | 基于ca-wmm的混合直流线路故障测距方法及系统 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1583635A (en) * | 1977-03-02 | 1981-01-28 | Int Standard Electric Corp | Subscriber line or trunk circuit |
US4254305A (en) * | 1979-02-07 | 1981-03-03 | International Telephone And Telegraph Corporation | Current limited subscriber line feed circuit |
JPS56122580A (en) * | 1980-03-03 | 1981-09-26 | Hitachi Ltd | Line terminating system of time division telephone switchboard |
US4381561A (en) * | 1980-10-23 | 1983-04-26 | International Telephone And Telegraph Corporation | All digital LSI line circuit for analog lines |
US4489222A (en) * | 1982-09-13 | 1984-12-18 | The Board Of Trustees Of The Leland Stanford, Junior University | Telephone line interface |
DE3409877A1 (de) * | 1984-03-17 | 1985-09-19 | Neumann Elektronik GmbH, 4330 Mülheim | Einrichtung zur optimalen anpassung einer gabelschaltung an eine fernmeldeleitung |
CA1208715A (en) * | 1984-05-09 | 1986-07-29 | Northern Telecom Limited | Adaptive hybrid |
GB2178925B (en) * | 1985-08-09 | 1989-04-12 | Plessey Co Plc | Line terminating apparatus |
US4685103A (en) * | 1985-12-24 | 1987-08-04 | Gte Communication Systems Corporation | Control circuit for a centrex attendant console interface |
-
1988
- 1988-03-10 EP EP88103805A patent/EP0286835B1/de not_active Expired - Lifetime
- 1988-03-10 AT AT88103805T patent/ATE71783T1/de active
- 1988-03-10 DE DE8888103805T patent/DE3867676D1/de not_active Expired - Fee Related
- 1988-03-25 AR AR88310411A patent/AR243047A1/es active
- 1988-04-05 JP JP63082391A patent/JPS63263992A/ja active Pending
- 1988-04-13 BR BR8801756A patent/BR8801756A/pt not_active IP Right Cessation
- 1988-04-13 PT PT87228A patent/PT87228B/pt not_active IP Right Cessation
- 1988-04-13 FI FI881717A patent/FI88090C/fi not_active IP Right Cessation
- 1988-04-13 DK DK201688A patent/DK169115B1/da not_active IP Right Cessation
-
1990
- 1990-01-31 US US07/474,316 patent/US5043977A/en not_active Expired - Fee Related
-
1992
- 1992-04-15 GR GR910402216T patent/GR3004340T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
GR3004340T3 (da) | 1993-03-31 |
BR8801756A (pt) | 1988-11-16 |
FI88090C (fi) | 1993-03-25 |
ATE71783T1 (de) | 1992-02-15 |
EP0286835A1 (de) | 1988-10-19 |
DK169115B1 (da) | 1994-08-15 |
FI881717A (fi) | 1988-10-15 |
FI88090B (fi) | 1992-12-15 |
PT87228A (pt) | 1989-05-12 |
EP0286835B1 (de) | 1992-01-15 |
FI881717A0 (fi) | 1988-04-13 |
AR243047A1 (es) | 1993-06-30 |
DE3867676D1 (de) | 1992-02-27 |
US5043977A (en) | 1991-08-27 |
DK201688A (da) | 1988-10-15 |
JPS63263992A (ja) | 1988-10-31 |
PT87228B (pt) | 1995-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |