JPH0377591U - - Google Patents

Info

Publication number
JPH0377591U
JPH0377591U JP13930989U JP13930989U JPH0377591U JP H0377591 U JPH0377591 U JP H0377591U JP 13930989 U JP13930989 U JP 13930989U JP 13930989 U JP13930989 U JP 13930989U JP H0377591 U JPH0377591 U JP H0377591U
Authority
JP
Japan
Prior art keywords
microphone
noise
speaker
vehicle
low
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
JP13930989U
Other languages
English (en)
Other versions
JPH089758Y2 (ja
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 filed Critical
Priority to JP1989139309U priority Critical patent/JPH089758Y2/ja
Publication of JPH0377591U publication Critical patent/JPH0377591U/ja
Application granted granted Critical
Publication of JPH089758Y2 publication Critical patent/JPH089758Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】
第１図は、本考案に係る車室内騒音の低域装置
の概念構成図、第２図は、本考案に係る車室内騒
音の低域装置の一実施例を示した概略構成図、第
３図は、第２図の実施例においてエンジン振動セ
ンサを用いた場合の実施例を示した図、第４図は
、第２図の実施例においてエンジン回転数センサ
を用いた場合の実施例を示した図、第５図は、本
考案の効果を示すグラフ図、である。 第１図において、１……車室、２……エンジン
、３……エンジン振動（回転数）センサ、４……
マイクロホン、５……コントローラ、６……スピ
ーカをそれぞれ示す。図中、同一符号は同一又は
相当部分を示す。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 車室内騒音のレベルを検出するマイクロホ
    ンと、スピーカと、該マイクロホンへの入力が最
    小となるように該スピーカの出力を制御するコン
    トローラとを備え、該車室内騒音の定在波の腹と
    なる運転者の耳元と対角位置の腹に該マイクロホ
    ンを設置したことを特徴とした車室内騒音の低域
    装置。 (2) 更に、エンジンの騒音源パラメータの検出
    手段を設け、該コントローラが、該検出手段の検
    出信号に基づいて該マイクロホンへの入力が最小
    となるように該スピーカの出力を制御することを
    特徴とした請求項１に記載の車室内騒音の低域装
    置。
JP1989139309U 1989-11-30 1989-11-30 車室内騒音の低減装置 Expired - Lifetime JPH089758Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989139309U JPH089758Y2 (ja) 1989-11-30 1989-11-30 車室内騒音の低減装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989139309U JPH089758Y2 (ja) 1989-11-30 1989-11-30 車室内騒音の低減装置

Publications (2)

Publication Number Publication Date
JPH0377591U true JPH0377591U (ja) 1991-08-05
JPH089758Y2 JPH089758Y2 (ja) 1996-03-21

Family

ID=31686364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989139309U Expired - Lifetime JPH089758Y2 (ja) 1989-11-30 1989-11-30 車室内騒音の低減装置

Country Status (1)

Country Link
JP (1) JPH089758Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000322066A (ja) * 1999-03-09 2000-11-24 Honda Motor Co Ltd 能動型騒音制御装置
US7062049B1 (en) 1999-03-09 2006-06-13 Honda Giken Kogyo Kabushiki Kaisha Active noise control system
WO2020161914A1 (en) * 2019-02-08 2020-08-13 Volvo Truck Corporation Apparatus, method and program for noise reduction, and computer-readable recording medium recording noise reduction program

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60143157A (ja) * 1983-12-29 1985-07-29 Mazda Motor Corp 車内音改質装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60143157A (ja) * 1983-12-29 1985-07-29 Mazda Motor Corp 車内音改質装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000322066A (ja) * 1999-03-09 2000-11-24 Honda Motor Co Ltd 能動型騒音制御装置
US7062049B1 (en) 1999-03-09 2006-06-13 Honda Giken Kogyo Kabushiki Kaisha Active noise control system
US7254240B2 (en) 1999-03-09 2007-08-07 Honda Giken Kogyo Kabushiki Kaisha Active noise control system
WO2020161914A1 (en) * 2019-02-08 2020-08-13 Volvo Truck Corporation Apparatus, method and program for noise reduction, and computer-readable recording medium recording noise reduction program

Also Published As

Publication number Publication date
JPH089758Y2 (ja) 1996-03-21

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