BE761447A - Termineur - Google Patents

Termineur

Info

Publication number
BE761447A
BE761447A BE761447A BE761447A BE761447A BE 761447 A BE761447 A BE 761447A BE 761447 A BE761447 A BE 761447A BE 761447 A BE761447 A BE 761447A BE 761447 A BE761447 A BE 761447A
Authority
BE
Belgium
Prior art keywords
terminer
Prior art date
Application number
BE761447A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE761447A publication Critical patent/BE761447A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/005—Feeding arrangements without the use of line transformers
BE761447A 1970-01-13 1971-01-11 Termineur BE761447A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7000395A NL7000395A (fr) 1970-01-13 1970-01-13

Publications (1)

Publication Number Publication Date
BE761447A true BE761447A (fr) 1971-07-12

Family

ID=19809063

Family Applications (1)

Application Number Title Priority Date Filing Date
BE761447A BE761447A (fr) 1970-01-13 1971-01-11 Termineur

Country Status (10)

Country Link
US (1) US3700831A (fr)
JP (1) JPS5246061B1 (fr)
AT (1) AT306799B (fr)
BE (1) BE761447A (fr)
CA (1) CA934487A (fr)
DK (1) DK142217B (fr)
FR (1) FR2076079B1 (fr)
GB (1) GB1330103A (fr)
NL (1) NL7000395A (fr)
SE (1) SE366885B (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2157150A5 (fr) * 1971-10-20 1973-06-01 Labo Cent Telecommunicat
FR2160308B1 (fr) * 1971-11-19 1977-01-28 Labo Cent Telecommunicat
NL7208148A (fr) * 1972-06-15 1973-12-18
GB1442151A (en) * 1973-07-03 1976-07-07 Gte International Inc Electronic hybrid
US3973089A (en) * 1973-10-29 1976-08-03 General Electric Company Adaptive hybrid circuit
JPS5346548B2 (fr) * 1973-11-28 1978-12-14
US3970805A (en) * 1974-02-22 1976-07-20 Gte Automatic Electric (Canada) Limited Active hybrid circuit
US4004109A (en) * 1975-05-09 1977-01-18 Boxall Frank S Hybrid circuit
JPS51150907A (en) * 1975-06-20 1976-12-24 Hitachi Ltd Subsriber line signal transmission system
JPS51150207A (en) * 1975-06-18 1976-12-23 Hitachi Ltd Current supplying method for telephone
JPS522108A (en) * 1975-06-24 1977-01-08 Hitachi Ltd Subscriber#s line signal detecting system
US4113996A (en) * 1977-05-20 1978-09-12 Bell Telephone Laboratories, Incorporated Voltage controlled current sources for active hybrid circuit
JPS5413715A (en) * 1977-07-01 1979-02-01 Nippon Telegr & Teleph Corp <Ntt> Four-wire switching system
US4272656A (en) * 1979-04-05 1981-06-09 Precision Monolithics, Inc. Quasi-resistive battery feed for telephone circuits
US4292478A (en) * 1979-05-25 1981-09-29 Plessey Canada Limited Interface circuits
US4331842A (en) * 1980-02-11 1982-05-25 Reliance Electric Company Voice frequency repeater and term sets and other circuits therefor
JPS61100358U (fr) * 1984-12-06 1986-06-26
JPS6237268U (fr) * 1985-08-21 1987-03-05
JPS6247363U (fr) * 1985-09-09 1987-03-24
US4918726A (en) * 1989-04-10 1990-04-17 Snyder Gary K Line powered universal telephone amplifier
US5185789A (en) * 1990-05-30 1993-02-09 Plantronics, Inc. Universal telephone handset interface
EP0504060B1 (fr) * 1991-03-14 1996-06-19 Bull S.A. Procédé et circuit de détection de transmission pour liaisons différentielles bi-directionnelles
FR2674083B1 (fr) * 1991-03-14 1994-01-07 Bull Sa Emetteur-recepteur pour liaison bidirectionnelle, circuit integre l'incorporant et application a la communication entre unites d'un systeme informatique.
FR2678456B1 (fr) * 1991-06-27 1993-09-03 Bull Sa Procede et circuit de detection de transmission pour liaisons differentielles bi-directionnelles.
FR2674076A1 (fr) * 1991-03-14 1992-09-18 Bull Sa Circuit integre a impedances asservies et application aux emetteurs-recepteurs notamment pour la communication entre unites d'un systeme informatique.
FR2674082B1 (fr) * 1991-03-14 1994-11-25 Bull Sa Procedes de test pour transmissions serie bidirectionnelles et circuits pour leur mise en óoeuvre.
US6751202B1 (en) 1999-04-30 2004-06-15 3Com Corporation Filtered transmit cancellation in a full-duplex modem data access arrangement (DAA)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB945192A (en) * 1961-05-19 1963-12-23 Telephone Rentals Ltd Improvements in and relating to electronic switching circuits
US3453395A (en) * 1965-12-01 1969-07-01 Gen Electric Solid-state hybrid
US3530260A (en) * 1966-12-23 1970-09-22 Bell Telephone Labor Inc Transistor hybrid circuit

Also Published As

Publication number Publication date
GB1330103A (en) 1973-09-12
FR2076079A1 (fr) 1971-10-15
JPS5246061B1 (fr) 1977-11-21
JPS46265A (fr) 1971-08-24
CA934487A (en) 1973-09-25
AT306799B (de) 1973-04-25
DK142217C (fr) 1981-02-16
SE366885B (fr) 1974-05-06
FR2076079B1 (fr) 1976-09-03
US3700831A (en) 1972-10-24
NL7000395A (fr) 1971-07-15
DK142217B (da) 1980-09-22
DE2061954B2 (de) 1976-03-18
DE2061954A1 (de) 1971-07-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILPS GLOEILAMPENFABRIEKEN

Effective date: 19860131