SE419279B - Telekommunikationssystem med forsterkningsstyrda aktiva filter - Google Patents

Telekommunikationssystem med forsterkningsstyrda aktiva filter

Info

Publication number
SE419279B
SE419279B SE7604800A SE7604800A SE419279B SE 419279 B SE419279 B SE 419279B SE 7604800 A SE7604800 A SE 7604800A SE 7604800 A SE7604800 A SE 7604800A SE 419279 B SE419279 B SE 419279B
Authority
SE
Sweden
Prior art keywords
telecommunication system
control active
active filters
amplified control
amplified
Prior art date
Application number
SE7604800A
Other languages
English (en)
Swedish (sv)
Other versions
SE7604800L (sv
Inventor
T Ohno
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of SE7604800L publication Critical patent/SE7604800L/xx
Publication of SE419279B publication Critical patent/SE419279B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
SE7604800A 1975-05-14 1976-04-27 Telekommunikationssystem med forsterkningsstyrda aktiva filter SE419279B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50056067A JPS51132713A (en) 1975-05-14 1975-05-14 Time-division communication system

Publications (2)

Publication Number Publication Date
SE7604800L SE7604800L (sv) 1976-11-15
SE419279B true SE419279B (sv) 1981-07-20

Family

ID=13016725

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7604800A SE419279B (sv) 1975-05-14 1976-04-27 Telekommunikationssystem med forsterkningsstyrda aktiva filter

Country Status (3)

Country Link
US (1) US4057695A (enExample)
JP (1) JPS51132713A (enExample)
SE (1) SE419279B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5299006A (en) * 1976-02-16 1977-08-19 Toshiba Corp Exchanger
JPS54157407A (en) * 1978-06-02 1979-12-12 Hitachi Ltd Level control unit for time-division exchange
US4220823A (en) * 1978-07-21 1980-09-02 Stromberg-Carlson Corporation Selectively controlled digital pad
US4354062A (en) * 1980-01-31 1982-10-12 Bell Telephone Laboratories, Incorporated Communication system signaling circuit
JPS5715001A (en) * 1980-06-10 1982-01-26 Fischer Ag Georg Wheel with rim consisting of three segment
US4381561A (en) * 1980-10-23 1983-04-26 International Telephone And Telegraph Corporation All digital LSI line circuit for analog lines
US4393491A (en) * 1980-11-05 1983-07-12 Anaconda-Ericsson Automatic self-test system for a digital multiplexed telecommunication system
JPS5852002U (ja) * 1981-10-05 1983-04-08 花岡　勇 チユ−ブレスタイヤ用ホイ−ル
US5195132B1 (en) * 1990-12-03 1996-03-19 At & T Bell Lab Telephone network speech signal enhancement
DE19512478C2 (de) * 1994-08-10 2001-05-31 Bernreuter Peter Verfahren zur Bestimmung der arteriellen Sauerstoffsättigung
DE19708525C1 (de) * 1997-03-03 1998-11-05 Siemens Ag Kommunikationssystem

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL283594A (enExample) * 1961-09-26
DE1287650C2 (de) * 1966-10-18 1976-02-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren und schaltungsanordnung zur steuerung des verbindungsaufbaues in abhaengigkeit von informationen ueber die anschlussleitung
US3689704A (en) * 1969-12-17 1972-09-05 Itt Constant current output controlled repeater insertion
US3781481A (en) * 1971-09-30 1973-12-25 Stromberg Carlson Corp Amplifier select and control circuit
US3829626A (en) * 1972-08-14 1974-08-13 Datadyne Corp Telephone line equalizer
US3806658A (en) * 1972-10-30 1974-04-23 Bell Telephone Labor Inc Common controlled equalization system
US3816668A (en) * 1972-11-15 1974-06-11 Bell Telephone Labor Inc Arrangement for providing switched range extension
US4007340A (en) * 1975-02-25 1977-02-08 Edison Control Corporation Distance-related variable gain amplifier

Also Published As

Publication number Publication date
JPS5528578B2 (enExample) 1980-07-29
US4057695A (en) 1977-11-08
JPS51132713A (en) 1976-11-18
SE7604800L (sv) 1976-11-15

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