FR2358790A1 - Annuleur d'echo auto-adaptatif pour transmission de donnees en bande de base - Google Patents

Annuleur d'echo auto-adaptatif pour transmission de donnees en bande de base

Info

Publication number
FR2358790A1
FR2358790A1 FR7621499A FR7621499A FR2358790A1 FR 2358790 A1 FR2358790 A1 FR 2358790A1 FR 7621499 A FR7621499 A FR 7621499A FR 7621499 A FR7621499 A FR 7621499A FR 2358790 A1 FR2358790 A1 FR 2358790A1
Authority
FR
France
Prior art keywords
modem
transmitter
filter
receiver
self
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7621499A
Other languages
English (en)
French (fr)
Other versions
FR2358790B1 (OSRAM
Inventor
Jean-Pierre Baudoux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Priority to FR7621499A priority Critical patent/FR2358790A1/fr
Publication of FR2358790A1 publication Critical patent/FR2358790A1/fr
Application granted granted Critical
Publication of FR2358790B1 publication Critical patent/FR2358790B1/fr
Granted legal-status Critical Current

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
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR7621499A 1976-07-13 1976-07-13 Annuleur d'echo auto-adaptatif pour transmission de donnees en bande de base Granted FR2358790A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7621499A FR2358790A1 (fr) 1976-07-13 1976-07-13 Annuleur d'echo auto-adaptatif pour transmission de donnees en bande de base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7621499A FR2358790A1 (fr) 1976-07-13 1976-07-13 Annuleur d'echo auto-adaptatif pour transmission de donnees en bande de base

Publications (2)

Publication Number Publication Date
FR2358790A1 true FR2358790A1 (fr) 1978-02-10
FR2358790B1 FR2358790B1 (OSRAM) 1982-07-02

Family

ID=9175698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7621499A Granted FR2358790A1 (fr) 1976-07-13 1976-07-13 Annuleur d'echo auto-adaptatif pour transmission de donnees en bande de base

Country Status (1)

Country Link
FR (1) FR2358790A1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048515B1 (fr) * 1980-09-19 1984-03-28 Telecommunications Radioelectriques Et Telephoniques T.R.T. Annuleur d'écho numérique muni d'un convertisseur analogique-numérique à dynamique réglable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048515B1 (fr) * 1980-09-19 1984-03-28 Telecommunications Radioelectriques Et Telephoniques T.R.T. Annuleur d'écho numérique muni d'un convertisseur analogique-numérique à dynamique réglable

Also Published As

Publication number Publication date
FR2358790B1 (OSRAM) 1982-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse