JPS6126673B2 - - Google Patents

Info

Publication number
JPS6126673B2
JPS6126673B2 JP52069420A JP6942077A JPS6126673B2 JP S6126673 B2 JPS6126673 B2 JP S6126673B2 JP 52069420 A JP52069420 A JP 52069420A JP 6942077 A JP6942077 A JP 6942077A JP S6126673 B2 JPS6126673 B2 JP S6126673B2
Authority
JP
Japan
Prior art keywords
noise
amplifier
frequency
low frequency
output
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
JP52069420A
Other languages
English (en)
Japanese (ja)
Other versions
JPS545402A (en
Inventor
Jinichi Nishiwaki
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 JP6942077A priority Critical patent/JPS545402A/ja
Publication of JPS545402A publication Critical patent/JPS545402A/ja
Publication of JPS6126673B2 publication Critical patent/JPS6126673B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP6942077A 1977-06-14 1977-06-14 Low frequency silencer Granted JPS545402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6942077A JPS545402A (en) 1977-06-14 1977-06-14 Low frequency silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6942077A JPS545402A (en) 1977-06-14 1977-06-14 Low frequency silencer

Publications (2)

Publication Number Publication Date
JPS545402A JPS545402A (en) 1979-01-16
JPS6126673B2 true JPS6126673B2 (zh) 1986-06-21

Family

ID=13402094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6942077A Granted JPS545402A (en) 1977-06-14 1977-06-14 Low frequency silencer

Country Status (1)

Country Link
JP (1) JPS545402A (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3209617C2 (de) * 1982-03-17 1985-10-10 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Geräuscharme Turboarbeitsmaschine
US4562589A (en) * 1982-12-15 1985-12-31 Lord Corporation Active attenuation of noise in a closed structure
JPS62168912A (ja) * 1986-01-20 1987-07-25 Mazda Motor Corp エンジンの排気音低減装置
JPH01143594U (zh) * 1988-03-07 1989-10-02
JP2712315B2 (ja) * 1988-06-28 1998-02-10 松下電器産業株式会社 ガス給湯器
JP2008031936A (ja) * 2006-07-28 2008-02-14 Toyota Motor Corp スピーカ装置及び騒音抑制装置
JP6077878B2 (ja) * 2013-02-13 2017-02-08 株式会社フジタ 超低周波音低減方法および超低周波音低減装置

Also Published As

Publication number Publication date
JPS545402A (en) 1979-01-16

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