JPS61200755A - 反響消去形会議通話装置 - Google Patents

反響消去形会議通話装置

Info

Publication number
JPS61200755A
JPS61200755A JP4033085A JP4033085A JPS61200755A JP S61200755 A JPS61200755 A JP S61200755A JP 4033085 A JP4033085 A JP 4033085A JP 4033085 A JP4033085 A JP 4033085A JP S61200755 A JPS61200755 A JP S61200755A
Authority
JP
Japan
Prior art keywords
circuits
circuit
output
speaker
loss
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
JP4033085A
Other languages
English (en)
Japanese (ja)
Other versions
JPH053942B2 (enrdf_load_stackoverflow
Inventor
Minoru Yoshino
芳野　実
Yuzo Fukushi
福士　雄三
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
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP4033085A priority Critical patent/JPS61200755A/ja
Publication of JPS61200755A publication Critical patent/JPS61200755A/ja
Publication of JPH053942B2 publication Critical patent/JPH053942B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP4033085A 1985-03-02 1985-03-02 反響消去形会議通話装置 Granted JPS61200755A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4033085A JPS61200755A (ja) 1985-03-02 1985-03-02 反響消去形会議通話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4033085A JPS61200755A (ja) 1985-03-02 1985-03-02 反響消去形会議通話装置

Publications (2)

Publication Number Publication Date
JPS61200755A true JPS61200755A (ja) 1986-09-05
JPH053942B2 JPH053942B2 (enrdf_load_stackoverflow) 1993-01-18

Family

ID=12577603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4033085A Granted JPS61200755A (ja) 1985-03-02 1985-03-02 反響消去形会議通話装置

Country Status (1)

Country Link
JP (1) JPS61200755A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027393A (en) * 1988-06-20 1991-06-25 Nec Corporation Voice conference system using echo cancellers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027393A (en) * 1988-06-20 1991-06-25 Nec Corporation Voice conference system using echo cancellers

Also Published As

Publication number Publication date
JPH053942B2 (enrdf_load_stackoverflow) 1993-01-18

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