JPS5842345A - ハウリング防止装置 - Google Patents

ハウリング防止装置

Info

Publication number
JPS5842345A
JPS5842345A JP14126681A JP14126681A JPS5842345A JP S5842345 A JPS5842345 A JP S5842345A JP 14126681 A JP14126681 A JP 14126681A JP 14126681 A JP14126681 A JP 14126681A JP S5842345 A JPS5842345 A JP S5842345A
Authority
JP
Japan
Prior art keywords
signal
level
received
circuit
value
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
JP14126681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS634742B2 (enrdf_load_stackoverflow
Inventor
Kazuhiko Yamamori
和彦 山森
Tadamichi Kawasaki
川崎　忠道
Shigenobu Minami
重信 南
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.)
Toshiba Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
Nippon Telegraph and Telephone Corp
Tokyo Shibaura 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 Toshiba Corp, Nippon Telegraph and Telephone Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14126681A priority Critical patent/JPS5842345A/ja
Publication of JPS5842345A publication Critical patent/JPS5842345A/ja
Publication of JPS634742B2 publication Critical patent/JPS634742B2/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
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP14126681A 1981-09-08 1981-09-08 ハウリング防止装置 Granted JPS5842345A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14126681A JPS5842345A (ja) 1981-09-08 1981-09-08 ハウリング防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14126681A JPS5842345A (ja) 1981-09-08 1981-09-08 ハウリング防止装置

Publications (2)

Publication Number Publication Date
JPS5842345A true JPS5842345A (ja) 1983-03-11
JPS634742B2 JPS634742B2 (enrdf_load_stackoverflow) 1988-01-30

Family

ID=15287896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14126681A Granted JPS5842345A (ja) 1981-09-08 1981-09-08 ハウリング防止装置

Country Status (1)

Country Link
JP (1) JPS5842345A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041849A (ja) * 1983-08-18 1985-03-05 Toshiba Corp 拡声電話
JPS62290253A (ja) * 1986-06-09 1987-12-17 Juki Corp 拡声電話装置
FR2612029A1 (fr) * 1987-03-03 1988-09-09 Connan Jean Louis Dispositif pour la realisation de la fonction " mains-libres " dans un poste telephonique, associant les fonctions de commutation de gain et d'annulation d'echo
JPS63217757A (ja) * 1987-03-05 1988-09-09 Mazda Motor Corp 自動車電話装置
JP2005531956A (ja) * 2002-06-28 2005-10-20 フランス　テレコム 単一チャンネルまたは多重チャンネル型の通信システム用エコー処理装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6045487B2 (ja) 2013-12-25 2016-12-14 シャープ株式会社 操作入力システム、電子機器、携帯端末、及び操作入力方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041849A (ja) * 1983-08-18 1985-03-05 Toshiba Corp 拡声電話
JPS62290253A (ja) * 1986-06-09 1987-12-17 Juki Corp 拡声電話装置
FR2612029A1 (fr) * 1987-03-03 1988-09-09 Connan Jean Louis Dispositif pour la realisation de la fonction " mains-libres " dans un poste telephonique, associant les fonctions de commutation de gain et d'annulation d'echo
JPS63217757A (ja) * 1987-03-05 1988-09-09 Mazda Motor Corp 自動車電話装置
JP2005531956A (ja) * 2002-06-28 2005-10-20 フランス　テレコム 単一チャンネルまたは多重チャンネル型の通信システム用エコー処理装置

Also Published As

Publication number Publication date
JPS634742B2 (enrdf_load_stackoverflow) 1988-01-30

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