JPS6436898U - - Google Patents

Info

Publication number

JPS6436898U

JPS6436898U JP13158787U JP13158787U JPS6436898U JP S6436898 U JPS6436898 U JP S6436898U JP 13158787 U JP13158787 U JP 13158787U JP 13158787 U JP13158787 U JP 13158787U JP S6436898 U JPS6436898 U JP S6436898U

Authority

JP

Japan

Prior art keywords

sound

plate

absorbing material

rigid wall

shaped sound

Prior art date

1987-08-31

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

Links

• Espacenet
• Global Dossier
• Discuss

• 239000011358 absorbing material Substances 0.000 claims description 5
• 238000005192 partition Methods 0.000 claims description 2
• 239000002184 metal Substances 0.000 claims 2
• 229920003002 synthetic resin Polymers 0.000 claims 2
• 239000000057 synthetic resin Substances 0.000 claims 2
• 239000000919 ceramic Substances 0.000 claims 1
• 239000000123 paper Substances 0.000 claims 1
• 238000010521 absorption reaction Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1