SE428622B - Avslutningsutrustning for ett berfrekvens-telefonsystem - Google Patents

Avslutningsutrustning for ett berfrekvens-telefonsystem

Info

Publication number
SE428622B
SE428622B SE7709461A SE7709461A SE428622B SE 428622 B SE428622 B SE 428622B SE 7709461 A SE7709461 A SE 7709461A SE 7709461 A SE7709461 A SE 7709461A SE 428622 B SE428622 B SE 428622B
Authority
SE
Sweden
Prior art keywords
calculation
phone system
finishing equipment
finishing
equipment
Prior art date
Application number
SE7709461A
Other languages
English (en)
Swedish (sv)
Other versions
SE7709461L (sv
Inventor
C Boulanger
C Poinas
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of SE7709461L publication Critical patent/SE7709461L/xx
Publication of SE428622B publication Critical patent/SE428622B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
    • 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)
  • Telephonic Communication Services (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
SE7709461A 1976-08-24 1977-08-23 Avslutningsutrustning for ett berfrekvens-telefonsystem SE428622B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7625577A FR2363247A1 (fr) 1976-08-24 1976-08-24 Equipement terminal pour un systeme multiplex telephonique a courants porteurs

Publications (2)

Publication Number Publication Date
SE7709461L SE7709461L (sv) 1978-02-25
SE428622B true SE428622B (sv) 1983-07-11

Family

ID=9177096

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7709461A SE428622B (sv) 1976-08-24 1977-08-23 Avslutningsutrustning for ett berfrekvens-telefonsystem

Country Status (7)

Country Link
US (1) US4130743A (de)
JP (1) JPS5326608A (de)
DE (1) DE2737082A1 (de)
FR (1) FR2363247A1 (de)
GB (1) GB1534470A (de)
NL (1) NL7709172A (de)
SE (1) SE428622B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644108A (en) * 1982-10-27 1987-02-17 International Business Machines Corporation Adaptive sub-band echo suppressor
GB2139054B (en) * 1983-04-22 1986-09-24 Gen Electric Co Plc Loudspeaking telephone instruments
US7113750B2 (en) * 2002-12-16 2006-09-26 Tektronix, Inc. Apparatus and method for input channel isolation within an electronic test instrument
CN100442059C (zh) * 2004-05-21 2008-12-10 特克特朗尼克公司 在电子测试仪器中用于将输入信道隔离的装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2251028A (en) * 1940-09-28 1941-07-29 Bell Telephone Labor Inc Control of transmission in two-way signal wave transmission systems
US2258966A (en) * 1940-10-12 1941-10-14 Bell Telephone Labor Inc Control of transmission in two-way signaling systems
US2295153A (en) * 1941-06-10 1942-09-08 Bell Telephone Labor Inc Two-way signal transmission system
US3397401A (en) * 1966-05-27 1968-08-13 Hughes Aircraft Co Voice operated communication system
US3896273A (en) * 1971-01-08 1975-07-22 Communications Satellite Corp Digital echo suppressor
IT1030881B (it) * 1973-12-10 1979-04-10 Cit Alcatel Semi soppressore di eco per un terminale di una linea elettrica a quattro fili
US3942116A (en) * 1975-03-13 1976-03-02 California Microwave, Inc. Transceiver having improved voice actuated carrier and echo suppression circuit

Also Published As

Publication number Publication date
US4130743A (en) 1978-12-19
NL7709172A (nl) 1978-02-28
GB1534470A (en) 1978-12-06
SE7709461L (sv) 1978-02-25
JPS5326608A (en) 1978-03-11
FR2363247B1 (de) 1981-03-06
DE2737082A1 (de) 1978-03-09
FR2363247A1 (fr) 1978-03-24

Similar Documents

Publication Publication Date Title
FI772713A (fi) Vattenreningsanordning i ett block
SE437596B (sv) Styrutrustning for katodstraleror
FI65861B (fi) Anordning foer genomfoering av ett radioimmunologiskt foerfarande
SE409933B (sv) Ekoeliminerare for ett datatransmissionssystem
SE419153B (sv) Anordning vid ett kommunikationssystem
DK475576A (da) Vern til en hydrofoilbads bereplaner
SE425366B (sv) Forfarande for maskin for att forma lignocellulosafibermattor
FI772842A (fi) Haolskiveanordning foer ett katodstraoleroer
FI772337A (fi) Anordning foer infaestning av ett kompaktfilter i en kassettram
SE432163B (sv) Kylblock for en tyristor
SE7714574L (sv) Rekneutrustning
SE419687B (sv) Ett brusreduserande system
SE428622B (sv) Avslutningsutrustning for ett berfrekvens-telefonsystem
FI772759A (fi) Videofoerstaerkare innefattande ett vaexelstroemskopplat spaenningsfoeljarslutsteg
SE421577B (sv) Telefonlinjeutrustning
FI772338A (fi) Anordning foer infaestning av ett kompaktfilter i en kassettram
SE424246B (sv) Skyddskapa for ett anslutningdson
FI772402A (fi) Stoedanordning till ett hjul foer fordon
SE7707177L (sv) Forfarande for att pafora en slitbana pa ett deck
SE7711772L (sv) Anordning vid ett berfrekvenssystem
SE413662B (sv) Klemaggregat for en truck
SE7510906L (sv) Anordning i ett telekommunikationssystem
SE7714476L (sv) Anordning for styrning av ett flodesystem
SE7510619L (sv) Anordning vid ett telekommunikationssystem
FI772578A (fi) Saett att bygga ett flytande golv