JPH0410491U - - Google Patents

Info

Publication number
JPH0410491U
JPH0410491U JP5093290U JP5093290U JPH0410491U JP H0410491 U JPH0410491 U JP H0410491U JP 5093290 U JP5093290 U JP 5093290U JP 5093290 U JP5093290 U JP 5093290U JP H0410491 U JPH0410491 U JP H0410491U
Authority
JP
Japan
Prior art keywords
sound
air passage
noise
additional sound
propagating
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.)
Pending
Application number
JP5093290U
Other languages
English (en)
Japanese (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 JP5093290U priority Critical patent/JPH0410491U/ja
Publication of JPH0410491U publication Critical patent/JPH0410491U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP5093290U 1990-05-16 1990-05-16 Pending JPH0410491U (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5093290U JPH0410491U (en]) 1990-05-16 1990-05-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5093290U JPH0410491U (en]) 1990-05-16 1990-05-16

Publications (1)

Publication Number Publication Date
JPH0410491U true JPH0410491U (en]) 1992-01-29

Family

ID=31569913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5093290U Pending JPH0410491U (en]) 1990-05-16 1990-05-16

Country Status (1)

Country Link
JP (1) JPH0410491U (en])

Citations (1)

* 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

Patent Citations (1)

* 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

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