IE48923B1 - Improved longitudinal balance arrangements for two-to-four telecommunication line circuits - Google Patents

Improved longitudinal balance arrangements for two-to-four telecommunication line circuits

Info

Publication number
IE48923B1
IE48923B1 IE2529/79A IE252979A IE48923B1 IE 48923 B1 IE48923 B1 IE 48923B1 IE 2529/79 A IE2529/79 A IE 2529/79A IE 252979 A IE252979 A IE 252979A IE 48923 B1 IE48923 B1 IE 48923B1
Authority
IE
Ireland
Prior art keywords
line
balance
feed resistors
substrate
wire
Prior art date
Application number
IE2529/79A
Other languages
English (en)
Other versions
IE792529L (en
Original Assignee
Plessey Overseas
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 Plessey Overseas filed Critical Plessey Overseas
Publication of IE792529L publication Critical patent/IE792529L/xx
Publication of IE48923B1 publication Critical patent/IE48923B1/en

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
    • H04B1/581—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
IE2529/79A 1978-12-30 1979-12-28 Improved longitudinal balance arrangements for two-to-four telecommunication line circuits IE48923B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7850385A GB2041700B (en) 1978-12-30 1978-12-30 Balance on 2-4 wire hybrid circuits

Publications (2)

Publication Number Publication Date
IE792529L IE792529L (en) 1980-06-30
IE48923B1 true IE48923B1 (en) 1985-06-12

Family

ID=10502017

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2529/79A IE48923B1 (en) 1978-12-30 1979-12-28 Improved longitudinal balance arrangements for two-to-four telecommunication line circuits

Country Status (12)

Country Link
US (1) US4289939A (https=)
JP (1) JPS5593331A (https=)
BR (1) BR7907893A (https=)
CA (1) CA1131821A (https=)
DE (1) DE2952353A1 (https=)
FR (1) FR2445673A1 (https=)
GB (1) GB2041700B (https=)
IE (1) IE48923B1 (https=)
NL (1) NL7909147A (https=)
NZ (1) NZ192463A (https=)
SE (1) SE437099B (https=)
ZA (1) ZA796286B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577255A (en) * 1984-06-20 1986-03-18 Itt Corporation Lightning protection circuit for digital subscriber loop interface
US4757528A (en) * 1986-09-05 1988-07-12 Harris Corporation Thermally coupled information transmission across electrical isolation boundaries
USD776637S1 (en) * 2014-09-22 2017-01-17 Ching-Wen Chen Earhook microphone
USD843347S1 (en) 2016-10-18 2019-03-19 Samson Technologies Corp. Head-worn microphone
WO2020016960A1 (ja) 2018-07-18 2020-01-23 三菱電機株式会社 高調波電流補償装置および空気調和システム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126941B (de) * 1960-09-30 1962-04-05 Siemens Ag Schaltungsanordnung zum Ausregeln des Daempfungsunterschiedes verschieden langer Fernmeldeleitungen
NL269763A (https=) * 1960-09-30
US4132863A (en) * 1977-12-20 1979-01-02 Bell Telephone Laboratories, Incorporated Automatic gain and return loss compensating line circuit

Also Published As

Publication number Publication date
BR7907893A (pt) 1980-07-29
GB2041700B (en) 1982-12-08
SE7910671L (sv) 1980-07-01
NL7909147A (nl) 1980-07-02
US4289939A (en) 1981-09-15
NZ192463A (en) 1982-05-25
ZA796286B (en) 1980-11-26
DE2952353C2 (https=) 1988-01-21
CA1131821A (en) 1982-09-14
IE792529L (en) 1980-06-30
FR2445673A1 (fr) 1980-07-25
DE2952353A1 (de) 1980-07-10
SE437099B (sv) 1985-02-04
JPS6237852B2 (https=) 1987-08-14
JPS5593331A (en) 1980-07-15
GB2041700A (en) 1980-09-10

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