JPS57129033A - Echo suppressor - Google Patents

Echo suppressor

Info

Publication number
JPS57129033A
JPS57129033A JP1329381A JP1329381A JPS57129033A JP S57129033 A JPS57129033 A JP S57129033A JP 1329381 A JP1329381 A JP 1329381A JP 1329381 A JP1329381 A JP 1329381A JP S57129033 A JPS57129033 A JP S57129033A
Authority
JP
Japan
Prior art keywords
interruption
threshold level
receiving
line input
transmitting line
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
JP1329381A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6336689B2 (enExample
Inventor
Kenzo Takahashi
Yoshiji Furuya
Yutaka Okumura
Yoshiaki Matsumoto
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
Nippon Telegraph and Telephone Corp
Original Assignee
NEC Corp
Nippon Telegraph and Telephone Corp
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 NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP1329381A priority Critical patent/JPS57129033A/ja
Publication of JPS57129033A publication Critical patent/JPS57129033A/ja
Publication of JPS6336689B2 publication Critical patent/JPS6336689B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP1329381A 1981-01-31 1981-01-31 Echo suppressor Granted JPS57129033A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1329381A JPS57129033A (en) 1981-01-31 1981-01-31 Echo suppressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1329381A JPS57129033A (en) 1981-01-31 1981-01-31 Echo suppressor

Publications (2)

Publication Number Publication Date
JPS57129033A true JPS57129033A (en) 1982-08-10
JPS6336689B2 JPS6336689B2 (enExample) 1988-07-21

Family

ID=11829141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1329381A Granted JPS57129033A (en) 1981-01-31 1981-01-31 Echo suppressor

Country Status (1)

Country Link
JP (1) JPS57129033A (enExample)

Also Published As

Publication number Publication date
JPS6336689B2 (enExample) 1988-07-21

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