FR2124879A5 - - Google Patents

Info

Publication number
FR2124879A5
FR2124879A5 FR7202648A FR7202648A FR2124879A5 FR 2124879 A5 FR2124879 A5 FR 2124879A5 FR 7202648 A FR7202648 A FR 7202648A FR 7202648 A FR7202648 A FR 7202648A FR 2124879 A5 FR2124879 A5 FR 2124879A5
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.)
Expired
Application number
FR7202648A
Other languages
French (fr)
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.)
Siemens AG
Original Assignee
Siemens 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
Priority claimed from DE2104280A external-priority patent/DE2104280C3/de
Priority claimed from DE19712138816 external-priority patent/DE2138816B2/de
Priority claimed from DE19712138817 external-priority patent/DE2138817C/de
Application filed by Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of FR2124879A5 publication Critical patent/FR2124879A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

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)
FR7202648A 1971-01-29 1972-01-27 Expired FR2124879A5 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2104280A DE2104280C3 (de) 1971-01-29 1971-01-29 Echosperre für einen Sprechkreis auf einem Vierdraht-Übertragungssystem
DE19712138816 DE2138816B2 (de) 1971-08-03 1971-08-03 Echosperre fuer einen sprechkreis auf einem vierdraht-uebertragungssystem
DE19712138817 DE2138817C (de) 1971-08-03 Echosperre fur einen Sprechkreis auf einem Vierdraht Übertragungssystem
DE19712138818 DE2138818C (de) 1971-08-03 Echosperre fur einen Sprechkreis auf einem Vierdraht Übertragungssystem

Publications (1)

Publication Number Publication Date
FR2124879A5 true FR2124879A5 (de) 1972-09-22

Family

ID=27431199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7202648A Expired FR2124879A5 (de) 1971-01-29 1972-01-27

Country Status (6)

Country Link
FR (1) FR2124879A5 (de)
GB (1) GB1358457A (de)
IL (1) IL38648A (de)
IT (1) IT947086B (de)
NL (1) NL7201006A (de)
SE (1) SE380956B (de)

Also Published As

Publication number Publication date
NL7201006A (de) 1972-08-01
IL38648A0 (en) 1972-04-27
IT947086B (it) 1973-05-21
SE380956B (sv) 1975-11-17
IL38648A (en) 1975-12-31
GB1358457A (en) 1974-07-03

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Legal Events

Date Code Title Description
ST Notification of lapse