JPS5223811A - Propagation direction controller of noise - Google Patents

Propagation direction controller of noise

Info

Publication number
JPS5223811A
JPS5223811A JP50099335A JP9933575A JPS5223811A JP S5223811 A JPS5223811 A JP S5223811A JP 50099335 A JP50099335 A JP 50099335A JP 9933575 A JP9933575 A JP 9933575A JP S5223811 A JPS5223811 A JP S5223811A
Authority
JP
Japan
Prior art keywords
noise
propagation direction
direction controller
controller
propagation
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
JP50099335A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5342972B2 (enrdf_load_html_response
Inventor
Masayasu Matsumoto
Kazuyoshi Iida
Kiichi Kondou
Keiichirou Mizuno
Sadao Nomoto
Noriaki Murayama
Megumu 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 JP50099335A priority Critical patent/JPS5223811A/ja
Publication of JPS5223811A publication Critical patent/JPS5223811A/ja
Publication of JPS5342972B2 publication Critical patent/JPS5342972B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP50099335A 1975-08-15 1975-08-15 Propagation direction controller of noise Granted JPS5223811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50099335A JPS5223811A (en) 1975-08-15 1975-08-15 Propagation direction controller of noise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50099335A JPS5223811A (en) 1975-08-15 1975-08-15 Propagation direction controller of noise

Publications (2)

Publication Number Publication Date
JPS5223811A true JPS5223811A (en) 1977-02-23
JPS5342972B2 JPS5342972B2 (enrdf_load_html_response) 1978-11-16

Family

ID=14244745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50099335A Granted JPS5223811A (en) 1975-08-15 1975-08-15 Propagation direction controller of noise

Country Status (1)

Country Link
JP (1) JPS5223811A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61125705U (enrdf_load_html_response) * 1985-01-25 1986-08-07
JPS6210606U (enrdf_load_html_response) * 1985-07-06 1987-01-22

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57169032U (enrdf_load_html_response) * 1981-04-18 1982-10-25

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495241U (enrdf_load_html_response) * 1972-04-11 1974-01-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495241U (enrdf_load_html_response) * 1972-04-11 1974-01-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61125705U (enrdf_load_html_response) * 1985-01-25 1986-08-07
JPS6210606U (enrdf_load_html_response) * 1985-07-06 1987-01-22

Also Published As

Publication number Publication date
JPS5342972B2 (enrdf_load_html_response) 1978-11-16

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