JPS6129178B2 - - Google Patents

Info

Publication number
JPS6129178B2
JPS6129178B2 JP7462577A JP7462577A JPS6129178B2 JP S6129178 B2 JPS6129178 B2 JP S6129178B2 JP 7462577 A JP7462577 A JP 7462577A JP 7462577 A JP7462577 A JP 7462577A JP S6129178 B2 JPS6129178 B2 JP S6129178B2
Authority
JP
Japan
Prior art keywords
signal
echo
path
pseudo
side transmission
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
JP7462577A
Other languages
English (en)
Japanese (ja)
Other versions
JPS548910A (en
Inventor
Mutsuya Tajima
Takashi Ogiwara
Shunji Tanaka
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
Priority to JP7462577A priority Critical patent/JPS548910A/ja
Publication of JPS548910A publication Critical patent/JPS548910A/ja
Publication of JPS6129178B2 publication Critical patent/JPS6129178B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/20Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23Reducing 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)
JP7462577A 1977-06-22 1977-06-22 Echo erasing unit Granted JPS548910A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7462577A JPS548910A (en) 1977-06-22 1977-06-22 Echo erasing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7462577A JPS548910A (en) 1977-06-22 1977-06-22 Echo erasing unit

Publications (2)

Publication Number Publication Date
JPS548910A JPS548910A (en) 1979-01-23
JPS6129178B2 true JPS6129178B2 (de) 1986-07-04

Family

ID=13552552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7462577A Granted JPS548910A (en) 1977-06-22 1977-06-22 Echo erasing unit

Country Status (1)

Country Link
JP (1) JPS548910A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600815A (en) * 1982-07-30 1986-07-15 Communications Satellite Corporation Automatic gain control for echo cancellers and similar adaptive systems
JPS59205833A (ja) * 1983-05-09 1984-11-21 Nec Corp 廻り込み信号抑圧装置
JPS6076823A (ja) * 1983-10-03 1985-05-01 Nec Corp センタ−クリツパ
DE3576772D1 (de) * 1985-04-30 1990-04-26 Ibm Verfahren und vorrichtung zur echoannullierung in einem uebertragungsnetzwerk.

Also Published As

Publication number Publication date
JPS548910A (en) 1979-01-23

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