JPH0469612U - - Google Patents

Info

Publication number
JPH0469612U
JPH0469612U JP11121990U JP11121990U JPH0469612U JP H0469612 U JPH0469612 U JP H0469612U JP 11121990 U JP11121990 U JP 11121990U JP 11121990 U JP11121990 U JP 11121990U JP H0469612 U JPH0469612 U JP H0469612U
Authority
JP
Japan
Prior art keywords
vehicle interior
interior noise
reduction device
noise reduction
speaker
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
JP11121990U
Other languages
English (en)
Japanese (ja)
Other versions
JP2589738Y2 (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 JP1990111219U priority Critical patent/JP2589738Y2/ja
Publication of JPH0469612U publication Critical patent/JPH0469612U/ja
Application granted granted Critical
Publication of JP2589738Y2 publication Critical patent/JP2589738Y2/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)
JP1990111219U 1990-10-24 1990-10-24 車室内騒音の低減装置 Expired - Fee Related JP2589738Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990111219U JP2589738Y2 (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
JP1990111219U JP2589738Y2 (ja) 1990-10-24 1990-10-24 車室内騒音の低減装置

Publications (2)

Publication Number Publication Date
JPH0469612U true JPH0469612U (forum.php) 1992-06-19
JP2589738Y2 JP2589738Y2 (ja) 1999-02-03

Family

ID=31858641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990111219U Expired - Fee Related JP2589738Y2 (ja) 1990-10-24 1990-10-24 車室内騒音の低減装置

Country Status (1)

Country Link
JP (1) JP2589738Y2 (forum.php)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63315346A (ja) * 1987-06-18 1988-12-23 Toyota Motor Corp 車両のこもり音制御装置
JPH0241954A (ja) * 1988-08-03 1990-02-13 Kanto Auto Works Ltd 車両のこもり音低減装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63315346A (ja) * 1987-06-18 1988-12-23 Toyota Motor Corp 車両のこもり音制御装置
JPH0241954A (ja) * 1988-08-03 1990-02-13 Kanto Auto Works Ltd 車両のこもり音低減装置

Also Published As

Publication number Publication date
JP2589738Y2 (ja) 1999-02-03

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