IT963984B - Dispositivo per eliminare l eco multiplo fra una pluralita di canali - Google Patents

Dispositivo per eliminare l eco multiplo fra una pluralita di canali

Info

Publication number
IT963984B
IT963984B IT2818172A IT2818172A IT963984B IT 963984 B IT963984 B IT 963984B IT 2818172 A IT2818172 A IT 2818172A IT 2818172 A IT2818172 A IT 2818172A IT 963984 B IT963984 B IT 963984B
Authority
IT
Italy
Prior art keywords
eliminate
echo
channels
multiple channels
multiple echo
Prior art date
Application number
IT2818172A
Other languages
English (en)
Original Assignee
Nippon Electric Co
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 Nippon Electric Co filed Critical Nippon Electric Co
Application granted granted Critical
Publication of IT963984B publication Critical patent/IT963984B/it

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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IT2818172A 1971-08-13 1972-08-12 Dispositivo per eliminare l eco multiplo fra una pluralita di canali IT963984B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6173571A JPS5631774B2 (it) 1971-08-13 1971-08-13

Publications (1)

Publication Number Publication Date
IT963984B true IT963984B (it) 1974-01-21

Family

ID=13179738

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2818172A IT963984B (it) 1971-08-13 1972-08-12 Dispositivo per eliminare l eco multiplo fra una pluralita di canali

Country Status (6)

Country Link
JP (1) JPS5631774B2 (it)
AU (1) AU465782B2 (it)
CA (1) CA967690A (it)
DE (1) DE2239770C2 (it)
GB (1) GB1380945A (it)
IT (1) IT963984B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8423017D0 (en) * 1984-09-12 1984-10-17 Plessey Co Plc Echo canceller
JPS6440700A (en) * 1987-08-07 1989-02-10 Akebono Res & Dev Centre Production of paper friction material
JPH04194100A (ja) * 1990-11-21 1992-07-14 Taisei:Kk パルプ材成型品の湿式成形法
US6605187B1 (en) 1999-11-17 2003-08-12 Kao Corporation Method for producing pulp molded article
JP2002009675A (ja) * 2000-06-26 2002-01-11 Nec Corp 多重化回線用エコー除去方法及び装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562448A (en) * 1968-06-21 1971-02-09 Bell Telephone Labor Inc Common control digital echo suppression

Also Published As

Publication number Publication date
DE2239770C2 (de) 1984-04-19
JPS4827604A (it) 1973-04-12
AU465782B2 (en) 1975-10-09
AU4552572A (en) 1974-02-14
GB1380945A (en) 1975-01-22
CA967690A (en) 1975-05-13
JPS5631774B2 (it) 1981-07-23
DE2239770A1 (de) 1973-03-01

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