CA967690A - Multiplex echo canceller arrangement - Google Patents

Multiplex echo canceller arrangement

Info

Publication number
CA967690A
CA967690A CA149,281A CA149281A CA967690A CA 967690 A CA967690 A CA 967690A CA 149281 A CA149281 A CA 149281A CA 967690 A CA967690 A CA 967690A
Authority
CA
Canada
Prior art keywords
echo canceller
canceller arrangement
multiplex
multiplex echo
arrangement
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.)
Expired
Application number
CA149,281A
Other languages
English (en)
Other versions
CA149281S (en
Inventor
Yasuo Kato
Kazuo Ochiai
Takashi Araseki
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Ltd filed Critical Nippon Electric Co Ltd
Application granted granted Critical
Publication of CA967690A publication Critical patent/CA967690A/en
Expired 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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA149,281A 1971-08-13 1972-08-11 Multiplex echo canceller arrangement Expired CA967690A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA967690A true CA967690A (en) 1975-05-13

Family

ID=13179738

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,281A Expired CA967690A (en) 1971-08-13 1972-08-11 Multiplex echo canceller arrangement

Country Status (6)

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

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
EP1104822B1 (en) 1999-11-17 2007-02-14 Kao Corporation Method for producing pulp molded articles
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
JPS4827604A (OSRAM) 1973-04-12
DE2239770A1 (de) 1973-03-01
DE2239770C2 (de) 1984-04-19
GB1380945A (en) 1975-01-22
AU465782B2 (en) 1975-10-09
JPS5631774B2 (OSRAM) 1981-07-23
IT963984B (it) 1974-01-21
AU4552572A (en) 1974-02-14

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