JP2564309Y2 - 車室内騒音の低減装置 - Google Patents

車室内騒音の低減装置

Info

Publication number
JP2564309Y2
JP2564309Y2 JP1990111220U JP11122090U JP2564309Y2 JP 2564309 Y2 JP2564309 Y2 JP 2564309Y2 JP 1990111220 U JP1990111220 U JP 1990111220U JP 11122090 U JP11122090 U JP 11122090U JP 2564309 Y2 JP2564309 Y2 JP 2564309Y2
Authority
JP
Japan
Prior art keywords
vibration
vehicle interior
speaker
interior noise
noise reduction
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 - Fee Related
Application number
JP1990111220U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0469253U (en, 2012
Inventor
秀之 井戸沼
雄一 小山
一実 山口
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.)
Isuzu Motors Ltd
Transtron Inc
Original Assignee
Isuzu Motors Ltd
Transtron Inc
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 Isuzu Motors Ltd, Transtron Inc filed Critical Isuzu Motors Ltd
Priority to JP1990111220U priority Critical patent/JP2564309Y2/ja
Publication of JPH0469253U publication Critical patent/JPH0469253U/ja
Application granted granted Critical
Publication of JP2564309Y2 publication Critical patent/JP2564309Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP1990111220U 1990-10-24 1990-10-24 車室内騒音の低減装置 Expired - Fee Related JP2564309Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990111220U JP2564309Y2 (ja) 1990-10-24 1990-10-24 車室内騒音の低減装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990111220U JP2564309Y2 (ja) 1990-10-24 1990-10-24 車室内騒音の低減装置

Publications (2)

Publication Number Publication Date
JPH0469253U JPH0469253U (en, 2012) 1992-06-18
JP2564309Y2 true JP2564309Y2 (ja) 1998-03-09

Family

ID=31858643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990111220U Expired - Fee Related JP2564309Y2 (ja) 1990-10-24 1990-10-24 車室内騒音の低減装置

Country Status (1)

Country Link
JP (1) JP2564309Y2 (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11242488A (ja) * 1998-02-26 1999-09-07 Toshiba Corp 遮音装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857193A (ja) * 1981-09-30 1983-04-05 日野自動車株式会社 車内騒音低減装置
JPS63170699A (ja) * 1987-01-09 1988-07-14 株式会社　曙ブレ−キ中央技術研究所 車両用低周波騒音防止装置
JPH0411542A (ja) * 1990-04-28 1992-01-16 Toyoda Gosei Co Ltd 車室内騒音低減装置

Also Published As

Publication number Publication date
JPH0469253U (en, 2012) 1992-06-18

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