JPS5921438Y2 - 騒音制御装置 - Google Patents

騒音制御装置

Info

Publication number
JPS5921438Y2
JPS5921438Y2 JP1978013250U JP1325078U JPS5921438Y2 JP S5921438 Y2 JPS5921438 Y2 JP S5921438Y2 JP 1978013250 U JP1978013250 U JP 1978013250U JP 1325078 U JP1325078 U JP 1325078U JP S5921438 Y2 JPS5921438 Y2 JP S5921438Y2
Authority
JP
Japan
Prior art keywords
noise
control device
sound
noise control
angle
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
Application number
JP1978013250U
Other languages
English (en)
Japanese (ja)
Other versions
JPS54118102U (https=
Inventor
正保 松本
一嘉 飯田
恵一郎 水野
憲一 恩田
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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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 Bridgestone Corp filed Critical Bridgestone Corp
Priority to JP1978013250U priority Critical patent/JPS5921438Y2/ja
Publication of JPS54118102U publication Critical patent/JPS54118102U/ja
Application granted granted Critical
Publication of JPS5921438Y2 publication Critical patent/JPS5921438Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP1978013250U 1978-02-07 1978-02-07 騒音制御装置 Expired JPS5921438Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978013250U JPS5921438Y2 (ja) 1978-02-07 1978-02-07 騒音制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978013250U JPS5921438Y2 (ja) 1978-02-07 1978-02-07 騒音制御装置

Publications (2)

Publication Number Publication Date
JPS54118102U JPS54118102U (https=) 1979-08-18
JPS5921438Y2 true JPS5921438Y2 (ja) 1984-06-23

Family

ID=28830991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978013250U Expired JPS5921438Y2 (ja) 1978-02-07 1978-02-07 騒音制御装置

Country Status (1)

Country Link
JP (1) JPS5921438Y2 (https=)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51141424A (en) * 1975-06-02 1976-12-06 Bridgestone Tire Co Ltd Propagation direction controller of noise

Also Published As

Publication number Publication date
JPS54118102U (https=) 1979-08-18

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