JPS6257762B2 - - Google Patents

Info

Publication number
JPS6257762B2
JPS6257762B2 JP3240981A JP3240981A JPS6257762B2 JP S6257762 B2 JPS6257762 B2 JP S6257762B2 JP 3240981 A JP3240981 A JP 3240981A JP 3240981 A JP3240981 A JP 3240981A JP S6257762 B2 JPS6257762 B2 JP S6257762B2
Authority
JP
Japan
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
JP3240981A
Other versions
JPS57146805A (en
Inventor
Michasu Yamashita
Hiroshi Igarashi
Shosuke Koga
Original Assignee
Nippon Gaishi Kk
Kobayashi Rigaku Kenkyusho
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 Nippon Gaishi Kk, Kobayashi Rigaku Kenkyusho filed Critical Nippon Gaishi Kk
Priority to JP3240981A priority Critical patent/JPS6257762B2/ja
Publication of JPS57146805A publication Critical patent/JPS57146805A/ja
Publication of JPS6257762B2 publication Critical patent/JPS6257762B2/ja
Application status is Expired legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
JP3240981A 1981-03-09 1981-03-09 Expired JPS6257762B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3240981A JPS6257762B2 (ja) 1981-03-09 1981-03-09

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3240981A JPS6257762B2 (ja) 1981-03-09 1981-03-09
US06/352,527 US4450931A (en) 1981-03-09 1982-02-26 Structure for decreasing low frequency air vibration

Publications (2)

Publication Number Publication Date
JPS57146805A JPS57146805A (en) 1982-09-10
JPS6257762B2 true JPS6257762B2 (ja) 1987-12-02

Family

ID=12358147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3240981A Expired JPS6257762B2 (ja) 1981-03-09 1981-03-09

Country Status (2)

Country Link
US (1) US4450931A (ja)
JP (1) JPS6257762B2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2848587B2 (ja) * 1995-10-23 1999-01-20 株式会社神戸製鋼所 吸音性制振形材
US9847639B2 (en) 2013-03-15 2017-12-19 Dominion Energy, Inc. Electric power system control with measurement of energy demand and energy efficiency

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881569A (en) * 1973-09-06 1975-05-06 Jr William O Evans Soundproofing panel construction
US4142468A (en) * 1976-04-20 1979-03-06 Charles Birnstiel Elevated rail transit guideway with noise attenuators

Also Published As

Publication number Publication date
US4450931A (en) 1984-05-29
JPS57146805A (en) 1982-09-10

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