BE876333A - Circuit hybride pour une liaison deux-quatre fils a reglage automatique - Google Patents
Circuit hybride pour une liaison deux-quatre fils a reglage automatiqueInfo
- Publication number
- BE876333A BE876333A BE0/195226A BE195226A BE876333A BE 876333 A BE876333 A BE 876333A BE 0/195226 A BE0/195226 A BE 0/195226A BE 195226 A BE195226 A BE 195226A BE 876333 A BE876333 A BE 876333A
- Authority
- BE
- Belgium
- Prior art keywords
- automatically adjusted
- hybrid circuit
- wire automatically
- adjusted link
- link
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- 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
- H04B1/581—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 using a transformer
- H04B1/582—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 using a transformer with automatic balancing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/005—Interface circuits for subscriber lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7805416BA NL7805416A (nl) | 1978-05-19 | 1978-05-19 | Zelf-instellende vorkschakeling. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE876333A true BE876333A (fr) | 1979-11-19 |
Family
ID=19830865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/195226A BE876333A (fr) | 1978-05-19 | 1979-05-17 | Circuit hybride pour une liaison deux-quatre fils a reglage automatique |
Country Status (10)
Country | Link |
---|---|
US (1) | US4297536A (sv) |
JP (1) | JPS54152838A (sv) |
AU (1) | AU522349B2 (sv) |
BE (1) | BE876333A (sv) |
CA (1) | CA1137665A (sv) |
DE (1) | DE2919652C2 (sv) |
FR (1) | FR2426365A1 (sv) |
GB (1) | GB2021362B (sv) |
NL (1) | NL7805416A (sv) |
SE (1) | SE438758B (sv) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5733844A (en) * | 1980-08-08 | 1982-02-24 | Toshiba Corp | Echo cancelling device |
SE450677B (sv) * | 1982-04-01 | 1987-07-13 | Ericsson Telefon Ab L M | Matningskrets ingaende i en likstromsmagnetiserad gaffeltransformator |
SE426127B (sv) * | 1981-04-24 | 1982-12-06 | Ericsson Telefon Ab L M | Likstromsmagnetiserad gaffeltransformator |
JPS5853233A (ja) * | 1981-09-25 | 1983-03-29 | Fujitsu Ltd | 平衡結線網整合方式 |
DE3533762A1 (de) * | 1985-09-21 | 1987-04-02 | Ant Nachrichtentech | Schaltungsanordnung zum anschluss eines teilnehmerendgeraetes an teilnehmeranschlussleitung |
US5271060A (en) * | 1990-01-12 | 1993-12-14 | Codex Corporation | Circuitry for interfacing telecommunications equipment to a communication channel |
US8204094B2 (en) * | 2009-04-21 | 2012-06-19 | Innova, Inc. | Scalable, efficient laser systems |
EP3164944B1 (en) | 2014-07-01 | 2018-02-21 | Telefonaktiebolaget LM Ericsson (publ) | Hybrid coil circuit |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1249948B (de) * | 1967-09-14 | Siemens Aktiengesellschaft, Berlin und München, München | Schaltungsanordnung zum vierdrahtmäßigen Zusammenschalten von Leitungsabschnitten in Fernmelde-, insbesondere Fernsprechanlagen | |
US2302374A (en) * | 1941-02-25 | 1942-11-17 | Bell Telephone Labor Inc | Two-way signal transmission system |
BE468046A (sv) * | 1942-10-24 | |||
NL269763A (sv) * | 1960-09-30 | |||
US3178521A (en) * | 1962-11-15 | 1965-04-13 | Bell Telephone Labor Inc | Dynamically balanced telephone network |
GB1115216A (en) * | 1967-02-28 | 1968-05-29 | Standard Telephones Cables Ltd | Hybrid transformer |
GB1210152A (en) * | 1967-07-18 | 1970-10-28 | Int Standard Electric Corp | Hybrid unit |
FR2160308B1 (sv) * | 1971-11-19 | 1977-01-28 | Labo Cent Telecommunicat | |
US3875350A (en) * | 1973-11-05 | 1975-04-01 | Gte Automatic Electric Lab Inc | Self-balancing hybrid circuit |
US4004109A (en) * | 1975-05-09 | 1977-01-18 | Boxall Frank S | Hybrid circuit |
US4150260A (en) * | 1975-06-18 | 1979-04-17 | Hitachi, Ltd. | Subscriber's circuit for four-wire-system local switch |
DE2714803B1 (de) * | 1977-04-02 | 1978-08-03 | Standard Elek K Lorenz Ag | Gabelschaltung zur Zweidraht-Vollduplexuebertragung von Digitalsignalen |
US4103118A (en) * | 1977-05-02 | 1978-07-25 | Synanon Foundation, Inc. | Autobalance hybrid circuit |
US4096362A (en) * | 1977-06-20 | 1978-06-20 | Bell Telephone Laboratories, Incorporated | Automatic cable balancing network |
-
1978
- 1978-05-19 NL NL7805416BA patent/NL7805416A/xx not_active Application Discontinuation
-
1979
- 1979-05-10 CA CA000327398A patent/CA1137665A/en not_active Expired
- 1979-05-11 US US06/038,377 patent/US4297536A/en not_active Expired - Lifetime
- 1979-05-16 DE DE2919652A patent/DE2919652C2/de not_active Expired
- 1979-05-16 SE SE7904303A patent/SE438758B/sv unknown
- 1979-05-16 AU AU47091/79A patent/AU522349B2/en not_active Ceased
- 1979-05-16 GB GB7917105A patent/GB2021362B/en not_active Expired
- 1979-05-17 JP JP6141479A patent/JPS54152838A/ja active Pending
- 1979-05-17 BE BE0/195226A patent/BE876333A/xx not_active IP Right Cessation
- 1979-05-18 FR FR7912732A patent/FR2426365A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS54152838A (en) | 1979-12-01 |
GB2021362B (en) | 1982-08-25 |
FR2426365B1 (sv) | 1984-04-20 |
AU4709179A (en) | 1979-11-22 |
FR2426365A1 (fr) | 1979-12-14 |
AU522349B2 (en) | 1982-05-27 |
DE2919652A1 (de) | 1979-11-22 |
SE438758B (sv) | 1985-04-29 |
CA1137665A (en) | 1982-12-14 |
NL7805416A (nl) | 1979-11-21 |
DE2919652C2 (de) | 1986-05-07 |
SE7904303L (sv) | 1979-11-20 |
US4297536A (en) | 1981-10-27 |
GB2021362A (en) | 1979-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN Effective date: 19860531 |