FR2249503A1 - - Google Patents

Info

Publication number
FR2249503A1
FR2249503A1 FR7436055A FR7436055A FR2249503A1 FR 2249503 A1 FR2249503 A1 FR 2249503A1 FR 7436055 A FR7436055 A FR 7436055A FR 7436055 A FR7436055 A FR 7436055A FR 2249503 A1 FR2249503 A1 FR 2249503A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7436055A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2249503A1 publication Critical patent/FR2249503A1/fr
Withdrawn legal-status Critical Current

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
    • H04B1/586—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
FR7436055A 1973-10-29 1974-10-29 Withdrawn FR2249503A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41045973A 1973-10-29 1973-10-29

Publications (1)

Publication Number Publication Date
FR2249503A1 true FR2249503A1 (fr) 1975-05-23

Family

ID=23624820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7436055A Withdrawn FR2249503A1 (fr) 1973-10-29 1974-10-29

Country Status (8)

Country Link
JP (1) JPS5080744A (fr)
BR (1) BR7408695D0 (fr)
DE (1) DE2450853A1 (fr)
FR (1) FR2249503A1 (fr)
GB (1) GB1491885A (fr)
IT (1) IT1025246B (fr)
NL (1) NL7413803A (fr)
SE (1) SE7413557L (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50153841A (fr) * 1974-05-31 1975-12-11
US4037065A (en) * 1976-10-04 1977-07-19 The United States Of America As Represented By The Secretary Of The Navy 20 Hz Ringdown solid state two-wire/four-wire converter
US4053722A (en) * 1976-10-04 1977-10-11 The United States Of America As Represented By The Secretary Of The Navy Solid state two-wire/four-wire converter with common battery
FR2437116A1 (fr) * 1978-09-19 1980-04-18 Thomson Ericsson Telephones So Dispositif de separation et d'equilibrage pour autocommutateurs telephoniques
JPS5825781B2 (ja) * 1978-09-22 1983-05-30 蛇の目ミシン工業株式会社 刺しゆう信号入力装置
US4358644A (en) * 1980-06-17 1982-11-09 Rts Systems, Inc. Bilateral current source for a multi-terminal intercom
JPS5725731A (en) * 1980-07-22 1982-02-10 Iwatsu Electric Co Ltd Hybrid circuit
SE450677B (sv) * 1982-04-01 1987-07-13 Ericsson Telefon Ab L M Matningskrets ingaende i en likstromsmagnetiserad gaffeltransformator
SE426127B (sv) * 1981-04-24 1982-12-06 Ericsson Telefon Ab L M Likstromsmagnetiserad gaffeltransformator
DE3806045C1 (en) * 1988-01-02 1989-07-06 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De Electronic bridge circuit
GB2270241B (en) * 1992-08-28 1995-05-31 Electronic Tech Duplex communication coupler system
CN108429568B (zh) * 2018-05-14 2024-01-30 河北豪沃尔智能科技有限责任公司 一种二线四线转换电路及转换方法
CN109995343B (zh) * 2019-03-27 2023-06-30 无锡海斯凯尔医学技术有限公司 阻抗匹配装置及超声成像系统

Also Published As

Publication number Publication date
IT1025246B (it) 1978-08-10
JPS5080744A (fr) 1975-07-01
NL7413803A (nl) 1975-05-02
GB1491885A (en) 1977-11-16
SE7413557L (fr) 1975-04-30
BR7408695D0 (pt) 1975-08-26
DE2450853A1 (de) 1975-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse