IT947086B - Soppressore d eco per un circuito telefonico su un sistema di tra smissione a quattro fili - Google Patents

Soppressore d eco per un circuito telefonico su un sistema di tra smissione a quattro fili

Info

Publication number
IT947086B
IT947086B IT19936/72A IT1993672A IT947086B IT 947086 B IT947086 B IT 947086B IT 19936/72 A IT19936/72 A IT 19936/72A IT 1993672 A IT1993672 A IT 1993672A IT 947086 B IT947086 B IT 947086B
Authority
IT
Italy
Prior art keywords
eco
suppressor
transmission system
wire transmission
telephone circuit
Prior art date
Application number
IT19936/72A
Other languages
English (en)
Italian (it)
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 DE19712138817 external-priority patent/DE2138817C/de
Priority claimed from DE19712138816 external-priority patent/DE2138816B2/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT947086B publication Critical patent/IT947086B/it

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)
IT19936/72A 1971-01-29 1972-01-28 Soppressore d eco per un circuito telefonico su un sistema di tra smissione a quattro fili IT947086B (it)

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
DE19712138817 DE2138817C (de) 1971-08-03 Echosperre fur einen Sprechkreis auf einem Vierdraht Übertragungssystem
DE19712138816 DE2138816B2 (de) 1971-08-03 1971-08-03 Echosperre fuer einen sprechkreis auf einem vierdraht-uebertragungssystem
DE19712138818 DE2138818C (de) 1971-08-03 Echosperre fur einen Sprechkreis auf einem Vierdraht Übertragungssystem

Publications (1)

Publication Number Publication Date
IT947086B true IT947086B (it) 1973-05-21

Family

ID=27431199

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19936/72A IT947086B (it) 1971-01-29 1972-01-28 Soppressore d eco per un circuito telefonico su un sistema di tra smissione a quattro fili

Country Status (6)

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

Also Published As

Publication number Publication date
NL7201006A (enExample) 1972-08-01
SE380956B (sv) 1975-11-17
IL38648A0 (en) 1972-04-27
IL38648A (en) 1975-12-31
GB1358457A (en) 1974-07-03
FR2124879A5 (enExample) 1972-09-22

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