SE428856B - Elektronisk gaffelkoppling - Google Patents

Elektronisk gaffelkoppling

Info

Publication number
SE428856B
SE428856B SE8004258A SE8004258A SE428856B SE 428856 B SE428856 B SE 428856B SE 8004258 A SE8004258 A SE 8004258A SE 8004258 A SE8004258 A SE 8004258A SE 428856 B SE428856 B SE 428856B
Authority
SE
Sweden
Prior art keywords
impedance
voltage
fork coupling
frequency
signal
Prior art date
Application number
SE8004258A
Other languages
English (en)
Swedish (sv)
Other versions
SE8004258L (sv
Inventor
H Seidel
Original Assignee
Western Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of SE8004258L publication Critical patent/SE8004258L/xx
Publication of SE428856B publication Critical patent/SE428856B/sv

Links

Classifications

    • 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
    • H04B1/586—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 an electronic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Networks Using Active Elements (AREA)
  • Interface Circuits In Exchanges (AREA)
SE8004258A 1978-10-10 1980-06-06 Elektronisk gaffelkoppling SE428856B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/949,577 US4174470A (en) 1978-10-10 1978-10-10 Electronic hybrid

Publications (2)

Publication Number Publication Date
SE8004258L SE8004258L (sv) 1980-06-06
SE428856B true SE428856B (sv) 1983-07-25

Family

ID=25489270

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8004258A SE428856B (sv) 1978-10-10 1980-06-06 Elektronisk gaffelkoppling

Country Status (14)

Country Link
US (1) US4174470A (it)
JP (1) JPS55500804A (it)
AU (1) AU526596B2 (it)
BE (1) BE879280A (it)
CA (1) CA1136229A (it)
DE (1) DE2953174C2 (it)
ES (1) ES484854A1 (it)
FR (1) FR2438941A1 (it)
GB (1) GB2043408B (it)
IL (1) IL58393A (it)
IT (1) IT1124585B (it)
NL (1) NL7920114A (it)
SE (1) SE428856B (it)
WO (1) WO1980000769A1 (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1123131A (en) * 1978-02-28 1982-05-04 Michael C.J. Cowpland Transformerless trunk circuit
JPS54136253A (en) * 1978-04-14 1979-10-23 Nec Corp Adaptive type electronic hybrid circuit
US4273963A (en) * 1979-05-25 1981-06-16 Bell Telephone Laboratories, Incorporated Automatic equalization for digital transmission systems
DE3019835C2 (de) * 1980-05-23 1983-12-01 Siemens AG, 1000 Berlin und 8000 München Übertragerfreie Gabelschaltung
US4381561A (en) * 1980-10-23 1983-04-26 International Telephone And Telegraph Corporation All digital LSI line circuit for analog lines
US4377858A (en) * 1980-10-23 1983-03-22 International Telephone And Telegraph Corporation Digital two-to-four wire converter for full duplex signals
US4322586A (en) * 1980-11-13 1982-03-30 Northern Telecom Limited Transformerless line interface circuit
JPS5895488A (ja) * 1981-12-02 1983-06-07 Hitachi Ltd ライン回路
US5822426A (en) * 1995-06-06 1998-10-13 International Business Machines Corporation Balanced hybrid circuit
US6681012B1 (en) 1999-09-23 2004-01-20 Nortel Networks Limited Directional receiver coupling arrangement with frequency selectivity and gain control for DSL
US6788745B1 (en) * 1999-11-17 2004-09-07 Fujitsu Limited Circuit and method for active termination of a transmission line
KR20020096008A (ko) * 2001-06-19 2002-12-28 엘지전자 주식회사 안테나 정합 회로망
US8385538B2 (en) * 2008-12-10 2013-02-26 Utc Fire & Security Americas Corporation, Inc. Method, system, and apparatus for a differential transformer-free hybrid circuit

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178521A (en) * 1962-11-15 1965-04-13 Bell Telephone Labor Inc Dynamically balanced telephone network
US3530260A (en) * 1966-12-23 1970-09-22 Bell Telephone Labor Inc Transistor hybrid circuit
GB1115216A (en) * 1967-02-28 1968-05-29 Standard Telephones Cables Ltd Hybrid transformer
FR2160308B1 (it) * 1971-11-19 1977-01-28 Labo Cent Telecommunicat
US3753786A (en) * 1972-03-29 1973-08-21 Gould Inc Method and apparatus for adjusting battery electrolyte concentration
US3973089A (en) * 1973-10-29 1976-08-03 General Electric Company Adaptive hybrid circuit
US3970805A (en) * 1974-02-22 1976-07-20 Gte Automatic Electric (Canada) Limited Active hybrid circuit
US3919502A (en) * 1974-08-19 1975-11-11 Bell Telephone Labor Inc Balancing network for voice frequency telephone repeaters
US3982080A (en) * 1975-01-16 1976-09-21 Bell Telephone Laboratories, Incorporated Automatic cable balancing network
US4004109A (en) * 1975-05-09 1977-01-18 Boxall Frank S Hybrid circuit
US4064377A (en) * 1976-03-11 1977-12-20 Wescom Switching, Inc. Electronic hybrid and hybrid repeater
US4074087A (en) * 1976-08-16 1978-02-14 Bell Telephone Laboratories, Incorporated Bidirectional voice frequency repeater
US4096361A (en) * 1977-06-20 1978-06-20 Bell Telephone Laboratories, Incorporated Test apparatus for obtaining impedance settings for hybrid balance networks
US4163878A (en) * 1977-09-07 1979-08-07 Wescom, Inc. Electronic hybrid and hybrid repeater with bridge circuit

Also Published As

Publication number Publication date
GB2043408A (en) 1980-10-01
CA1136229A (en) 1982-11-23
NL7920114A (nl) 1980-08-29
GB2043408B (en) 1983-01-26
ES484854A1 (es) 1980-05-16
BE879280A (fr) 1980-02-01
DE2953174A1 (en) 1980-12-04
JPS55500804A (it) 1980-10-16
AU526596B2 (en) 1983-01-20
AU5159679A (en) 1980-04-17
IL58393A (en) 1981-12-31
IT7926319A0 (it) 1979-10-08
FR2438941A1 (fr) 1980-05-09
FR2438941B1 (it) 1985-01-11
WO1980000769A1 (en) 1980-04-17
SE8004258L (sv) 1980-06-06
US4174470A (en) 1979-11-13
IL58393A0 (en) 1980-01-31
DE2953174C2 (de) 1986-05-15
IT1124585B (it) 1986-05-07

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