JPH01133892U - - Google Patents

Info

Publication number
JPH01133892U
JPH01133892U JP3078988U JP3078988U JPH01133892U JP H01133892 U JPH01133892 U JP H01133892U JP 3078988 U JP3078988 U JP 3078988U JP 3078988 U JP3078988 U JP 3078988U JP H01133892 U JPH01133892 U JP H01133892U
Authority
JP
Japan
Prior art keywords
duct
correction signal
noise
signal
converts
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
JP3078988U
Other languages
Japanese (ja)
Other versions
JPH0715038Y2 (en
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 JP3078988U priority Critical patent/JPH0715038Y2/en
Publication of JPH01133892U publication Critical patent/JPH01133892U/ja
Application granted granted Critical
Publication of JPH0715038Y2 publication Critical patent/JPH0715038Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Exhaust Silencers (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の消音装置の代表的な実施例の
構成を示す図、第２図は従来の消音装置の構成を
示す図である。 １……送風機、２……ダクト、３……マイクロ
ホン、４……デジタルフイルタ、５……増幅器、
６……スピーカーシステム、７……スピーカー、
１０……パツシブラジエータ。 FIG. 1 is a diagram showing the configuration of a typical embodiment of the muffling device of the present invention, and FIG. 2 is a diagram showing the configuration of a conventional muffling device. 1...Blower, 2...Duct, 3...Microphone, 4...Digital filter, 5...Amplifier,
6...Speaker system, 7...Speaker,
10... Passive radiator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ダクト２と、このダクト２内の騒音を集音し騒
音信号に変換するマイクロホン３と、この騒音信
号と逆の特性を有する補正信号を形成する補正信
号形成回路４と、この補正信号を増幅する増幅器
５と、この補正信号を音声に変換して上記ダクト
２内に放射するスピーカーシステム６とを具備す
る消音装置において、上記スピーカーシステム６
が中間仕切板９ａによつて前空室８ａ、後空室８
ｂに分割したキヤビネツト９を備え、上記中間仕
切板９ａに前空室８ａに向かつて音声を放射する
駆動スピーカー７を取り付け、上記キヤビネツト
９の上記ダクト２に対向する前面板９ａにパツシ
ブラジエータ１０を取り付けたことを特徴とする
消音装置。 A duct 2, a microphone 3 that collects noise in the duct 2 and converts it into a noise signal, a correction signal forming circuit 4 that forms a correction signal having characteristics opposite to this noise signal, and amplifies this correction signal. In the noise reduction device comprising an amplifier 5 and a speaker system 6 that converts the correction signal into sound and radiates it into the duct 2, the speaker system 6
The intermediate partition plate 9a separates the front space 8a and the rear space 8.
A drive speaker 7 is attached to the intermediate partition plate 9a to radiate sound toward the front space 8a, and a passive radiator 10 is attached to the front plate 9a of the cabinet 9 facing the duct 2. A silencer characterized by having a.
JP3078988U 1988-03-07 1988-03-07 Silencer Expired - Lifetime JPH0715038Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3078988U JPH0715038Y2 (en) 1988-03-07 1988-03-07 Silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3078988U JPH0715038Y2 (en) 1988-03-07 1988-03-07 Silencer

Publications (2)

Publication Number Publication Date
JPH01133892U true JPH01133892U (en) 1989-09-12
JPH0715038Y2 JPH0715038Y2 (en) 1995-04-10

Family

ID=31256161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3078988U Expired - Lifetime JPH0715038Y2 (en) 1988-03-07 1988-03-07 Silencer

Country Status (1)

Country Link
JP (1) JPH0715038Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113259794A (en) * 2020-02-10 2021-08-13 现代自动车株式会社 Personal aircraft and method for controlling same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113259794A (en) * 2020-02-10 2021-08-13 现代自动车株式会社 Personal aircraft and method for controlling same

Also Published As

Publication number Publication date
JPH0715038Y2 (en) 1995-04-10

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