BE560647A - - Google Patents

Info

Publication number
BE560647A
BE560647A BE560647DA BE560647A BE 560647 A BE560647 A BE 560647A BE 560647D A BE560647D A BE 560647DA BE 560647 A BE560647 A BE 560647A
Authority
BE
Belgium
Prior art keywords
circuit
amplifier
signals
transmitted
received signals
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE560647A publication Critical patent/BE560647A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
BE560647D BE560647A (enExample)

Publications (1)

Publication Number Publication Date
BE560647A true BE560647A (enExample)

Family

ID=182867

Family Applications (1)

Application Number Title Priority Date Filing Date
BE560647D BE560647A (enExample)

Country Status (1)

Country Link
BE (1) BE560647A (enExample)

Similar Documents

Publication Publication Date Title
DE69618773T2 (de) Netzwerkverbindungen von rechnern durch mitbenutzung von sprach-telefonleitungen
US4457014A (en) Signal transfer and system utilizing transmission lines
FR2556531A1 (fr) Circuit d'interface de parole et de donnees
FR2522230A1 (fr) Systeme telephonique de transmission de signaux vocaux et de donnees entre une installation d'abonne et un autocommutateur
FR2525054A1 (fr) Emetteur concu pour l'emission de signaux modules en frequence
FR2543379A1 (fr) Dispositif de demodulation directe en hyperfrequence et chaine de reception hyperfrequence comportant un tel dispositif
US4496859A (en) Notch filter system
FR2495416A1 (fr) Systeme de conference pour telephonie
JP3147307B2 (ja) 並列光結合を用いた改善ダイナミックレンジ伝送システム
EP0612188A1 (fr) Dispositif pour la transmission de signaux de télévision
US6643372B2 (en) Apparatus and method for music production by at least two remotely located music sources
US5136575A (en) Cancelling circuit and transmission system
US1975709A (en) Electrical transmission device
US3973088A (en) Wide-band hybrid network
US4127750A (en) Apparatus for transmitting and receiving pulses
FR2838568A1 (fr) Generateur de signaux optiques porteurs de donnees et de longueurs d'onde porteuses selectionnables
FR2498851A1 (fr) Circuit d'interface de ligne d'abonne
EP0036800B1 (fr) Dispositif de raccordement d'un réseau téléphonique privé au réseau public
AU637541B2 (en) Cancelling circuit and transmission system
EP1787456B1 (en) Telephone line interface, side-tone attenuation circuit and method
US10148464B1 (en) Systems and methods for equalizing a laser drive signal
US4916734A (en) Apparatus for separating dc current and ac current components of a composite signal
US20020186824A1 (en) Splitterless, transformerless, voice service independent ADSL interface
US1917035A (en) Circuit for reducing interference
US3535475A (en) Differential type telephone repeater circuit