JPH024149U - - Google Patents

Info

Publication number
JPH024149U
JPH024149U JP5102688U JP5102688U JPH024149U JP H024149 U JPH024149 U JP H024149U JP 5102688 U JP5102688 U JP 5102688U JP 5102688 U JP5102688 U JP 5102688U JP H024149 U JPH024149 U JP H024149U
Authority
JP
Japan
Prior art keywords
speaker
receives
input
output
duct
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
JP5102688U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0522740Y2 (en17
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 JP1988051026U priority Critical patent/JPH0522740Y2/ja
Publication of JPH024149U publication Critical patent/JPH024149U/ja
Application granted granted Critical
Publication of JPH0522740Y2 publication Critical patent/JPH0522740Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Duct Arrangements (AREA)
JP1988051026U 1987-10-20 1988-04-15 Expired - Lifetime JPH0522740Y2 (en17)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988051026U JPH0522740Y2 (en17) 1987-10-20 1988-04-15

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16059987 1987-10-20
JP1988051026U JPH0522740Y2 (en17) 1987-10-20 1988-04-15

Publications (2)

Publication Number Publication Date
JPH024149U true JPH024149U (en17) 1990-01-11
JPH0522740Y2 JPH0522740Y2 (en17) 1993-06-11

Family

ID=31718061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988051026U Expired - Lifetime JPH0522740Y2 (en17) 1987-10-20 1988-04-15

Country Status (1)

Country Link
JP (1) JPH0522740Y2 (en17)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544985A (ja) * 1990-12-19 1993-02-23 Gold Star Co Ltd 分離形室内用エアコンデイシヨナーパツケージの室内機の騒音防止方法及び装置
JP2013087773A (ja) * 2011-10-14 2013-05-13 J Eberspecher Gmbh & Co Kg アクティブ消音器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62164400A (ja) * 1986-01-14 1987-07-21 Hitachi Plant Eng & Constr Co Ltd 電子消音システム
JPS6345599U (en17) * 1986-09-12 1988-03-28

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5772174A (en) * 1981-07-27 1982-05-06 Canon Inc Image forming device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62164400A (ja) * 1986-01-14 1987-07-21 Hitachi Plant Eng & Constr Co Ltd 電子消音システム
JPS6345599U (en17) * 1986-09-12 1988-03-28

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544985A (ja) * 1990-12-19 1993-02-23 Gold Star Co Ltd 分離形室内用エアコンデイシヨナーパツケージの室内機の騒音防止方法及び装置
JP2013087773A (ja) * 2011-10-14 2013-05-13 J Eberspecher Gmbh & Co Kg アクティブ消音器
US9206717B2 (en) 2011-10-14 2015-12-08 Eberspaecher Exhaust Technology Gmbh & Co. Kg Active sound absorbers

Also Published As

Publication number Publication date
JPH0522740Y2 (en17) 1993-06-11

Similar Documents

Publication Publication Date Title
JPH024149U (en17)
JPS58147382U (ja) ヘツドホン
JPS5816920U (ja) 音声出力装置
JPS6440992U (en17)
JPS6160544U (en17)
JPS6234900U (en17)
JPS63171091U (en17)
JPS5912197U (ja) 消音装置
JPS6037992U (ja) マイクロホン
JPS59177300U (ja) トンネル内拡声装置
JPH01177699U (en17)
JPH0167900U (en17)
JPS6121189U (ja) 時計付ヘツドホン
JPS5810139U (ja) 音声入力装置
JPS59111352U (ja) 電話機用受話音量拡大装置
JPS591300U (ja) セラミツクスピ−カ−
JPS58149883U (ja) マイクロホン
JPS63163090U (en17)
JPS58127789U (ja) 電気音響変換器用振動板
JPS60184391U (ja) スピ−カ
JPH01143594U (en17)
JPS58125490U (ja) スピ−カ
JPS59134987U (ja) イヤホン装置
JPS5939600U (ja) 補聴器
JPS60145726U (ja) 制御装置