DK307782A - Anordning til ekkofasekompensering og ekkoannulator indeholdende en saadan anordning - Google Patents

Anordning til ekkofasekompensering og ekkoannulator indeholdende en saadan anordning Download PDF

Info

Publication number
DK307782A
DK307782A DK307782A DK307782A DK307782A DK 307782 A DK307782 A DK 307782A DK 307782 A DK307782 A DK 307782A DK 307782 A DK307782 A DK 307782A DK 307782 A DK307782 A DK 307782A
Authority
DK
Denmark
Prior art keywords
eco
cancellator
phase compensation
compensation device
phase
Prior art date
Application number
DK307782A
Other languages
Danish (da)
English (en)
Inventor
J M M C D Verdiere
P R Langlois
O M 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 DK307782A publication Critical patent/DK307782A/da

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)
DK307782A 1981-07-09 1982-07-08 Anordning til ekkofasekompensering og ekkoannulator indeholdende en saadan anordning DK307782A (da)

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 (1)

Publication Number Publication Date
DK307782A true DK307782A (da) 1983-01-10

Family

ID=9260379

Family Applications (1)

Application Number Title Priority Date Filing Date
DK307782A DK307782A (da) 1981-07-09 1982-07-08 Anordning til ekkofasekompensering og ekkoannulator indeholdende en saadan anordning

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
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
NO157679C (no) 1988-04-27
FR2509552A1 (fr) 1983-01-14
ES8305172A1 (es) 1983-03-16
NO822375L (no) 1983-01-10

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment