BR7907893A - Dispositivo de equilibrio longitudinal para circuitos de linhas de telecomunicacoes de dois para quatro cabos - Google Patents

Dispositivo de equilibrio longitudinal para circuitos de linhas de telecomunicacoes de dois para quatro cabos

Info

Publication number
BR7907893A
BR7907893A BR7907893A BR7907893A BR7907893A BR 7907893 A BR7907893 A BR 7907893A BR 7907893 A BR7907893 A BR 7907893A BR 7907893 A BR7907893 A BR 7907893A BR 7907893 A BR7907893 A BR 7907893A
Authority
BR
Brazil
Prior art keywords
circuits
balance device
telecommunication lines
longitudinal balance
cable telecommunication
Prior art date
Application number
BR7907893A
Other languages
English (en)
Portuguese (pt)
Inventor
J Arnold
Original Assignee
Plessey Handel Investment Ag
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 Handel Investment Ag filed Critical Plessey Handel Investment Ag
Publication of BR7907893A publication Critical patent/BR7907893A/pt

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)
BR7907893A 1978-12-30 1979-12-04 Dispositivo de equilibrio longitudinal para circuitos de linhas de telecomunicacoes de dois para quatro cabos BR7907893A (pt)

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 (1)

Publication Number Publication Date
BR7907893A true BR7907893A (pt) 1980-07-29

Family

ID=10502017

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7907893A BR7907893A (pt) 1978-12-30 1979-12-04 Dispositivo de equilibrio longitudinal para circuitos de linhas de telecomunicacoes de dois para quatro cabos

Country Status (12)

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

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
US11309709B2 (en) 2018-07-18 2022-04-19 Mitsubishi Electric Corporation High-frequency current compensator and air-conditioning system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL269763A (enExample) * 1960-09-30
DE1126941B (de) * 1960-09-30 1962-04-05 Siemens Ag Schaltungsanordnung zum Ausregeln des Daempfungsunterschiedes verschieden langer Fernmeldeleitungen
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
IE792529L (en) 1980-06-30
JPS6237852B2 (enExample) 1987-08-14
GB2041700A (en) 1980-09-10
ZA796286B (en) 1980-11-26
FR2445673A1 (fr) 1980-07-25
CA1131821A (en) 1982-09-14
NZ192463A (en) 1982-05-25
IE48923B1 (en) 1985-06-12
DE2952353C2 (enExample) 1988-01-21
SE437099B (sv) 1985-02-04
NL7909147A (nl) 1980-07-02
DE2952353A1 (de) 1980-07-10
GB2041700B (en) 1982-12-08
SE7910671L (sv) 1980-07-01
JPS5593331A (en) 1980-07-15
US4289939A (en) 1981-09-15

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