TW259832B - Acoustic device using a porous structure - Google Patents

Acoustic device using a porous structure

Info

Publication number
TW259832B
TW259832B TW084100400A TW84100400A TW259832B TW 259832 B TW259832 B TW 259832B TW 084100400 A TW084100400 A TW 084100400A TW 84100400 A TW84100400 A TW 84100400A TW 259832 B TW259832 B TW 259832B
Authority
TW
Taiwan
Prior art keywords
sound
porous structure
acoustic device
plates
arrest
Prior art date
Application number
TW084100400A
Other languages
English (en)
Inventor
Koji Tsukamoto
Katsuhisa Otsuta
Shuichi Tani
Masayuki Kurashina
Tomohisa Imai
Original Assignee
Mitsubishi Electric Machine
Mitsubishi Electrical Kayo Kiki Kk
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 Mitsubishi Electric Machine, Mitsubishi Electrical Kayo Kiki Kk filed Critical Mitsubishi Electric Machine
Application granted granted Critical
Publication of TW259832B publication Critical patent/TW259832B/zh

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
TW084100400A 1994-08-31 1995-01-18 Acoustic device using a porous structure TW259832B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6206919A JP2815542B2 (ja) 1994-08-31 1994-08-31 多孔質構造体を用いた吸音機構

Publications (1)

Publication Number Publication Date
TW259832B true TW259832B (en) 1995-10-11

Family

ID=16531258

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084100400A TW259832B (en) 1994-08-31 1995-01-18 Acoustic device using a porous structure

Country Status (7)

Country Link
US (2) US5905234A (zh)
EP (5) EP1172800B1 (zh)
JP (1) JP2815542B2 (zh)
KR (1) KR0157277B1 (zh)
CN (1) CN1091483C (zh)
DE (3) DE69532979T2 (zh)
TW (1) TW259832B (zh)

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Also Published As

Publication number Publication date
US6109388A (en) 2000-08-29
DE69525886D1 (de) 2002-04-25
CN1122860A (zh) 1996-05-22
EP0700030A3 (en) 1996-04-24
DE69531844T2 (de) 2004-07-08
EP0952571B1 (en) 2003-09-24
EP0952571A2 (en) 1999-10-27
EP1172800B1 (en) 2004-04-28
JPH0868018A (ja) 1996-03-12
US5905234A (en) 1999-05-18
EP1172800A2 (en) 2002-01-16
KR0157277B1 (ko) 1998-11-16
EP0700030A2 (en) 1996-03-06
KR960007958A (ko) 1996-03-22
DE69531844D1 (de) 2003-10-30
EP1343142A3 (en) 2004-06-16
CN1091483C (zh) 2002-09-25
JP2815542B2 (ja) 1998-10-27
EP0700030B1 (en) 2002-03-20
DE69525886T2 (de) 2002-11-07
EP1172800A3 (en) 2002-04-17
EP1343141A2 (en) 2003-09-10
EP1343142A2 (en) 2003-09-10
EP0952571A3 (en) 2000-11-29
DE69532979D1 (de) 2004-06-03
DE69532979T2 (de) 2005-01-20
EP1343141A3 (en) 2004-06-16

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