JPS57162593A - Howling preventing device - Google Patents

Howling preventing device

Info

Publication number
JPS57162593A
JPS57162593A JP4817581A JP4817581A JPS57162593A JP S57162593 A JPS57162593 A JP S57162593A JP 4817581 A JP4817581 A JP 4817581A JP 4817581 A JP4817581 A JP 4817581A JP S57162593 A JPS57162593 A JP S57162593A
Authority
JP
Japan
Prior art keywords
signal
attenuation
band
degree
certain
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
JP4817581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6310639B2 (enrdf_load_stackoverflow
Inventor
Toshiyuki Sakai
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP4817581A priority Critical patent/JPS57162593A/ja
Publication of JPS57162593A publication Critical patent/JPS57162593A/ja
Publication of JPS6310639B2 publication Critical patent/JPS6310639B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP4817581A 1981-03-30 1981-03-30 Howling preventing device Granted JPS57162593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4817581A JPS57162593A (en) 1981-03-30 1981-03-30 Howling preventing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4817581A JPS57162593A (en) 1981-03-30 1981-03-30 Howling preventing device

Publications (2)

Publication Number Publication Date
JPS57162593A true JPS57162593A (en) 1982-10-06
JPS6310639B2 JPS6310639B2 (enrdf_load_stackoverflow) 1988-03-08

Family

ID=12796045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4817581A Granted JPS57162593A (en) 1981-03-30 1981-03-30 Howling preventing device

Country Status (1)

Country Link
JP (1) JPS57162593A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59161995A (ja) * 1983-03-07 1984-09-12 Matsushita Electric Ind Co Ltd ハウリング抑圧装置
JPS62198298A (ja) * 1986-02-18 1987-09-01 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 自動制御増幅回路
KR101204239B1 (ko) 2011-03-31 2012-11-26 김철희 실시간 하울링 제거장치 및 그 방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642413A (en) * 1979-09-14 1981-04-20 Victor Co Of Japan Ltd Sound-field singla correcting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642413A (en) * 1979-09-14 1981-04-20 Victor Co Of Japan Ltd Sound-field singla correcting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59161995A (ja) * 1983-03-07 1984-09-12 Matsushita Electric Ind Co Ltd ハウリング抑圧装置
JPS62198298A (ja) * 1986-02-18 1987-09-01 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 自動制御増幅回路
KR101204239B1 (ko) 2011-03-31 2012-11-26 김철희 실시간 하울링 제거장치 및 그 방법

Also Published As

Publication number Publication date
JPS6310639B2 (enrdf_load_stackoverflow) 1988-03-08

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