NO157679C - Innretning for reaktualisering av fasen i en ekko-opphever for et dataoverfoeringssystem. - Google Patents

Innretning for reaktualisering av fasen i en ekko-opphever for et dataoverfoeringssystem.

Info

Publication number
NO157679C
NO157679C NO822375A NO822375A NO157679C NO 157679 C NO157679 C NO 157679C NO 822375 A NO822375 A NO 822375A NO 822375 A NO822375 A NO 822375A NO 157679 C NO157679 C NO 157679C
Authority
NO
Norway
Prior art keywords
reactualizing
eko
discover
phase
data transmission
Prior art date
Application number
NO822375A
Other languages
English (en)
Norwegian (no)
Other versions
NO157679B (no
NO822375L (no
Inventor
Jean-Marc Marie Colin Verdiere
Patrice Rene Langlois
Odile Marie Macchi
Original Assignee
Telecommunications Sa
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 Sa filed Critical Telecommunications Sa
Publication of NO822375L publication Critical patent/NO822375L/no
Publication of NO157679B publication Critical patent/NO157679B/no
Publication of NO157679C publication Critical patent/NO157679C/no

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
    • H04B3/232—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 using phase shift, phase roll or frequency offset correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Communication Control (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
NO822375A 1981-07-09 1982-07-08 Innretning for reaktualisering av fasen i en ekko-opphever for et dataoverfoeringssystem. NO157679C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8113498A FR2509552A1 (fr) 1981-07-09 1981-07-09 Dispositif de compensation de phase d'echo et son application aux annulateurs d'echo

Publications (3)

Publication Number Publication Date
NO822375L NO822375L (no) 1983-01-10
NO157679B NO157679B (no) 1988-01-18
NO157679C true NO157679C (no) 1988-04-27

Family

ID=9260379

Family Applications (1)

Application Number Title Priority Date Filing Date
NO822375A NO157679C (no) 1981-07-09 1982-07-08 Innretning for reaktualisering av fasen i en ekko-opphever for et dataoverfoeringssystem.

Country Status (11)

Country Link
EP (1) EP0070236B1 (cs)
JP (1) JPS5817735A (cs)
CA (1) CA1194953A (cs)
DE (1) DE3262044D1 (cs)
DK (1) DK307782A (cs)
ES (1) ES8305172A1 (cs)
FI (1) FI73553C (cs)
FR (1) FR2509552A1 (cs)
HU (1) HU186079B (cs)
NO (1) NO157679C (cs)
SU (1) SU1414332A3 (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327467A1 (de) * 1983-07-29 1985-02-14 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zur kompensation von echosignalen
NZ214905A (en) * 1985-01-29 1988-09-29 British Telecomm Noise cancellation by adaptive filter compensates for timing variations

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072830A (en) * 1976-10-04 1978-02-07 Bell Telephone Laboratories, Incorporated Variable phase shifter for adaptive echo cancellers

Also Published As

Publication number Publication date
SU1414332A3 (ru) 1988-07-30
JPS5817735A (ja) 1983-02-02
EP0070236B1 (fr) 1985-01-23
EP0070236A1 (fr) 1983-01-19
FI822436L (fi) 1983-01-10
DE3262044D1 (en) 1985-03-07
JPS644699B2 (cs) 1989-01-26
DK307782A (da) 1983-01-10
HU186079B (en) 1985-05-28
NO157679B (no) 1988-01-18
FI822436A0 (fi) 1982-07-08
CA1194953A (en) 1985-10-08
FI73553B (fi) 1987-06-30
ES513728A0 (es) 1983-03-16
FI73553C (fi) 1987-10-09
FR2509552B1 (cs) 1983-12-02
FR2509552A1 (fr) 1983-01-14
ES8305172A1 (es) 1983-03-16
NO822375L (no) 1983-01-10

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