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 (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
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
IE48923B1 (en) 1985-06-12
GB2041700A (en) 1980-09-10

Similar Documents

Publication Publication Date Title
NO821840L (no) Skjoeteanordning for forbindelse av to kabelender
DE3373852D1 (de) Conductor compositions
BR7901522A (pt) Conector para equipamento de distribuicao telefonico
IT1087640B (it) Dispositivo per la terminazione di conduttori
DE2908879A1 (de) Supraleitendes kabel
NO780086L (no) Anordning ved forbindelser mellom to grupper roerledninger
AR226850A1 (es) Perfeccionamientos en bastidores universales para alojamiento de equipo de telecomunicacion
IT1162269B (it) Composti di imidazolo e procedimento per applicarli
BR8106686A (pt) Conversor digital de dois para quatro fios para sinais totalmente duplex
BR7907893A (pt) Dispositivo de equilibrio longitudinal para circuitos de linhas de telecomunicacoes de dois para quatro cabos
IT1196907B (it) Equipaggiamento per la prova di connettori elettrici
IT8068821A0 (it) Dispositivo di collegamento tra due ambienti di un apparecchio elettrico di sezionamento
DK89879A (da) Elektrisk toerelement
IT8067574A0 (it) Morsetto per il collegamento di con duttori elettrici
IT1113899B (it) Apparecchio per la terminazione di conduttori
DK148864C (da) Oliefyldt elektrisk kabelsystem
SE8002207L (sv) Elektrisk kabel
BE851963A (fr) Manchon de raccordement pour cables
TR20813A (tr) Gecirme elemanh kablo garnituerue
BR7604667A (pt) Aperta-cabos para conectar dois condutores eletricos
FR2314563A1 (fr) Compositions pour l'isolation longitudinale de cables conducteurs
NO833014L (no) Anordning for konsentrering av telekommunikasjonslinjer
SE7812015L (sv) Lindningskopplare for transformatorer
FR1276506A (fr) Gaine alvéolée pour la protection de câbles électriques souterrains
IT1149922B (it) Conduttore di trasmissione