DE3262450D1 - Interference limiting quadrupole for telephone transmission systems of the 1+1 type - Google Patents

Interference limiting quadrupole for telephone transmission systems of the 1+1 type

Info

Publication number
DE3262450D1
DE3262450D1 DE8282110315T DE3262450T DE3262450D1 DE 3262450 D1 DE3262450 D1 DE 3262450D1 DE 8282110315 T DE8282110315 T DE 8282110315T DE 3262450 T DE3262450 T DE 3262450T DE 3262450 D1 DE3262450 D1 DE 3262450D1
Authority
DE
Germany
Prior art keywords
quadrupole
type
transmission systems
telephone transmission
interference limiting
Prior art date
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.)
Expired
Application number
DE8282110315T
Other languages
German (de)
English (en)
Inventor
Grand Yves-Marie Le
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel SA
Nokia Inc
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 Compagnie Industrielle de Telecommunication CIT Alcatel SA, Nokia Inc filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Application granted granted Critical
Publication of DE3262450D1 publication Critical patent/DE3262450D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
    • H04Q5/245—Circuit arrangements in which for one subscriber low frequency speech and/or signalling signals proceed on the line, while for the other subscriber the low frequency speech and/or signalling signals are modulated upon a high frequency carrier signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
DE8282110315T 1981-11-13 1982-11-09 Interference limiting quadrupole for telephone transmission systems of the 1+1 type Expired DE3262450D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8121314A FR2516726A1 (fr) 1981-11-13 1981-11-13 Quadripole limiteur de parasites pour systemes de transmission telephonique de type 1 + 1

Publications (1)

Publication Number Publication Date
DE3262450D1 true DE3262450D1 (en) 1985-03-28

Family

ID=9263984

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282110315T Expired DE3262450D1 (en) 1981-11-13 1982-11-09 Interference limiting quadrupole for telephone transmission systems of the 1+1 type

Country Status (5)

Country Link
US (1) US4418245A (enExample)
EP (1) EP0079566B1 (enExample)
CA (1) CA1183293A (enExample)
DE (1) DE3262450D1 (enExample)
FR (1) FR2516726A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0720783B1 (en) * 1992-12-02 1998-12-02 Emc Corporation Inrush current limiter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL27449A (en) * 1966-05-11 1972-02-29 Ped Inc Telephone system with added main line subscriber facilities
GB1348141A (en) * 1971-04-22 1974-03-13 Standard Telephones Cables Ltd Subscriber carrier telephone system
GB1411089A (en) * 1971-12-20 1975-10-22 Gen Electric Co Ltd Telephone systems
US4210779A (en) * 1978-08-11 1980-07-01 Tii Corporation Amplitude modulated telephone carrier system and terminal equipment therefor

Also Published As

Publication number Publication date
EP0079566B1 (fr) 1985-02-20
FR2516726B1 (enExample) 1984-05-18
FR2516726A1 (fr) 1983-05-20
CA1183293A (fr) 1985-02-26
EP0079566A1 (fr) 1983-05-25
US4418245A (en) 1983-11-29

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee