JPS528801A - Noise propagation direction control device - Google Patents

Noise propagation direction control device

Info

Publication number
JPS528801A
JPS528801A JP50084412A JP8441275A JPS528801A JP S528801 A JPS528801 A JP S528801A JP 50084412 A JP50084412 A JP 50084412A JP 8441275 A JP8441275 A JP 8441275A JP S528801 A JPS528801 A JP S528801A
Authority
JP
Japan
Prior art keywords
control device
direction control
propagation direction
noise propagation
noise
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
JP50084412A
Other languages
Japanese (ja)
Other versions
JPS5333241B2 (en
Inventor
Masayasu Matsumoto
Kazuyoshi Iida
Kiichi Kondo
Keiichiro Mizuno
Sadao Nomoto
Noriaki Murayama
Megumi Watanabe
Tomonori Katayama
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 JP50084412A priority Critical patent/JPS528801A/en
Priority to US05/703,985 priority patent/US4158401A/en
Priority to GB37866/76A priority patent/GB1526525A/en
Publication of JPS528801A publication Critical patent/JPS528801A/en
Publication of JPS5333241B2 publication Critical patent/JPS5333241B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

PURPOSE: To decrease the amount of sound that goes over soundproof walls installed in such places as railways.
COPYRIGHT: (C)1977,JPO&Japio
JP50084412A 1975-07-11 1975-07-11 Noise propagation direction control device Granted JPS528801A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP50084412A JPS528801A (en) 1975-07-11 1975-07-11 Noise propagation direction control device
US05/703,985 US4158401A (en) 1975-07-11 1976-07-09 Device for controlling a propagation direction of noise
GB37866/76A GB1526525A (en) 1975-07-11 1976-09-13 Device for reducing noise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50084412A JPS528801A (en) 1975-07-11 1975-07-11 Noise propagation direction control device

Publications (2)

Publication Number Publication Date
JPS528801A true JPS528801A (en) 1977-01-24
JPS5333241B2 JPS5333241B2 (en) 1978-09-13

Family

ID=13829863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50084412A Granted JPS528801A (en) 1975-07-11 1975-07-11 Noise propagation direction control device

Country Status (1)

Country Link
JP (1) JPS528801A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015005774A1 (en) * 2013-07-07 2015-01-15 4Silence B.V. Diffractor for diffracting sound

Also Published As

Publication number Publication date
JPS5333241B2 (en) 1978-09-13

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