JPH0113774B2 - - Google Patents

Info

Publication number
JPH0113774B2
JPH0113774B2 JP57014462A JP1446282A JPH0113774B2 JP H0113774 B2 JPH0113774 B2 JP H0113774B2 JP 57014462 A JP57014462 A JP 57014462A JP 1446282 A JP1446282 A JP 1446282A JP H0113774 B2 JPH0113774 B2 JP H0113774B2
Authority
JP
Japan
Prior art keywords
output
circuit
load value
signal
end call
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
JP57014462A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58131827A (ja
Inventor
Kenzo Takahashi
Kyohisa Wakabayashi
Mitsuru Watanabe
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1446282A priority Critical patent/JPS58131827A/ja
Publication of JPS58131827A publication Critical patent/JPS58131827A/ja
Publication of JPH0113774B2 publication Critical patent/JPH0113774B2/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)
JP1446282A 1982-02-01 1982-02-01 エコ−抑圧装置 Granted JPS58131827A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1446282A JPS58131827A (ja) 1982-02-01 1982-02-01 エコ−抑圧装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1446282A JPS58131827A (ja) 1982-02-01 1982-02-01 エコ−抑圧装置

Publications (2)

Publication Number Publication Date
JPS58131827A JPS58131827A (ja) 1983-08-05
JPH0113774B2 true JPH0113774B2 (ru) 1989-03-08

Family

ID=11861714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1446282A Granted JPS58131827A (ja) 1982-02-01 1982-02-01 エコ−抑圧装置

Country Status (1)

Country Link
JP (1) JPS58131827A (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5961234A (ja) * 1982-09-30 1984-04-07 Nec Corp 適応型反響消去装置
JPS62123837A (ja) * 1985-11-25 1987-06-05 Nippon Telegr & Teleph Corp <Ntt> 反響消去装置
JPH01126839A (ja) * 1987-11-12 1989-05-18 Japan Radio Co Ltd エコー消去回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028915A (ru) * 1973-07-14 1975-03-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028915A (ru) * 1973-07-14 1975-03-24

Also Published As

Publication number Publication date
JPS58131827A (ja) 1983-08-05

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