JPS55166349A - Echo control system - Google Patents

Echo control system

Info

Publication number
JPS55166349A
JPS55166349A JP7443579A JP7443579A JPS55166349A JP S55166349 A JPS55166349 A JP S55166349A JP 7443579 A JP7443579 A JP 7443579A JP 7443579 A JP7443579 A JP 7443579A JP S55166349 A JPS55166349 A JP S55166349A
Authority
JP
Japan
Prior art keywords
signal
matrix
echo
register
reception signal
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.)
Granted
Application number
JP7443579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6161579B2 (cg-RX-API-DMAC7.html
Inventor
Seiichi Yamamoto
Seiji Kiyama
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Priority to JP7443579A priority Critical patent/JPS55166349A/ja
Publication of JPS55166349A publication Critical patent/JPS55166349A/ja
Publication of JPS6161579B2 publication Critical patent/JPS6161579B2/ja
Granted 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)
JP7443579A 1979-06-12 1979-06-12 Echo control system Granted JPS55166349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7443579A JPS55166349A (en) 1979-06-12 1979-06-12 Echo control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7443579A JPS55166349A (en) 1979-06-12 1979-06-12 Echo control system

Publications (2)

Publication Number Publication Date
JPS55166349A true JPS55166349A (en) 1980-12-25
JPS6161579B2 JPS6161579B2 (cg-RX-API-DMAC7.html) 1986-12-26

Family

ID=13547133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7443579A Granted JPS55166349A (en) 1979-06-12 1979-06-12 Echo control system

Country Status (1)

Country Link
JP (1) JPS55166349A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007225182A (ja) * 2006-02-23 2007-09-06 Max Co Ltd 空調装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01116690A (ja) * 1987-10-30 1989-05-09 Fujitsu Ltd 論理演算回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007225182A (ja) * 2006-02-23 2007-09-06 Max Co Ltd 空調装置

Also Published As

Publication number Publication date
JPS6161579B2 (cg-RX-API-DMAC7.html) 1986-12-26

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