ZA796286B - Longitudinal balance arrangements for two-to-four telecommunication line circuits - Google Patents

Longitudinal balance arrangements for two-to-four telecommunication line circuits

Info

Publication number
ZA796286B
ZA796286B ZA00796286A ZA796286A ZA796286B ZA 796286 B ZA796286 B ZA 796286B ZA 00796286 A ZA00796286 A ZA 00796286A ZA 796286 A ZA796286 A ZA 796286A ZA 796286 B ZA796286 B ZA 796286B
Authority
ZA
South Africa
Prior art keywords
telecommunication line
line circuits
longitudinal balance
balance arrangements
arrangements
Prior art date
Application number
ZA00796286A
Other languages
English (en)
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 ZA796286B publication Critical patent/ZA796286B/xx

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)
ZA00796286A 1978-12-30 1979-11-20 Longitudinal balance arrangements for two-to-four telecommunication line circuits ZA796286B (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 (1)

Publication Number Publication Date
ZA796286B true ZA796286B (en) 1980-11-26

Family

ID=10502017

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00796286A ZA796286B (en) 1978-12-30 1979-11-20 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
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
GB2064269B (en) Telephone line circuit
GB2064244B (en) Telephone line circuit
GB2107554B (en) Telephone line circuit
GB2014398B (en) Telephone line circuit
JPS5549063A (en) Telephone set connecting block
GB2064902B (en) Telephone line circuit
JPS5752945A (en) Carry circuit
JPS5542494A (en) Telephone set
GB2050116B (en) Telephone line circuit
JPS5550769A (en) Transmission bridge for subscriber circuit
GB2023374B (en) Telephone set
JPS54139416A (en) Connecting block for telephone facility
GB2015305B (en) Telephone line circuit
GB2055274B (en) Telecommunications line circuit
ZA796286B (en) Longitudinal balance arrangements for two-to-four telecommunication line circuits
JPS54152838A (en) Hybrid circuit network
JPS5787690A (en) Subscriber circuit
JPS5583366A (en) Telephone set
JPS55150660A (en) Connecting circuit for telephone line
ZA792103B (en) Benzodiazepine compositions
ZA796287B (en) Line current feed circuits for telecommunication exchanges
DE2960135D1 (en) Keypad for telephone
GB2012521B (en) Feed bridge for telephone line
GB2055021B (en) Telephone line circuit
GB2106345B (en) Telephone line circuit