AT300911B - Circuit arrangement for telecommunications systems with automatic adjustment of the attenuation difference of different lengths of subscriber lines - Google Patents

Circuit arrangement for telecommunications systems with automatic adjustment of the attenuation difference of different lengths of subscriber lines

Info

Publication number
AT300911B
AT300911B AT448470A AT448470A AT300911B AT 300911 B AT300911 B AT 300911B AT 448470 A AT448470 A AT 448470A AT 448470 A AT448470 A AT 448470A AT 300911 B AT300911 B AT 300911B
Authority
AT
Austria
Prior art keywords
circuit arrangement
different lengths
automatic adjustment
subscriber lines
telecommunications systems
Prior art date
Application number
AT448470A
Other languages
German (de)
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
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT300911B publication Critical patent/AT300911B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
    • H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
AT448470A 1969-05-20 1970-05-19 Circuit arrangement for telecommunications systems with automatic adjustment of the attenuation difference of different lengths of subscriber lines AT300911B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691925498 DE1925498B1 (en) 1969-05-20 1969-05-20 Circuit arrangement for automatic adjustment of the attenuation difference of telephone subscriber lines of different lengths

Publications (1)

Publication Number Publication Date
AT300911B true AT300911B (en) 1972-08-10

Family

ID=5734585

Family Applications (1)

Application Number Title Priority Date Filing Date
AT448470A AT300911B (en) 1969-05-20 1970-05-19 Circuit arrangement for telecommunications systems with automatic adjustment of the attenuation difference of different lengths of subscriber lines

Country Status (10)

Country Link
JP (1) JPS4830161B1 (en)
AT (1) AT300911B (en)
BE (1) BE750674A (en)
CH (1) CH505511A (en)
DE (1) DE1925498B1 (en)
FR (1) FR2047827A5 (en)
GB (1) GB1242819A (en)
LU (1) LU60935A1 (en)
NL (1) NL7006724A (en)
SE (1) SE365085B (en)

Also Published As

Publication number Publication date
DE1925498B1 (en) 1971-01-14
NL7006724A (en) 1970-11-24
LU60935A1 (en) 1970-07-20
BE750674A (en) 1970-11-20
SE365085B (en) 1974-03-11
GB1242819A (en) 1971-08-11
JPS4830161B1 (en) 1973-09-18
FR2047827A5 (en) 1971-03-12
CH505511A (en) 1971-03-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee