FI75942C - Anordning för dämpning av ljud och akustiskt stoj - Google Patents

Anordning för dämpning av ljud och akustiskt stoj Download PDF

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Publication number
FI75942C
FI75942C FI865325A FI865325A FI75942C FI 75942 C FI75942 C FI 75942C FI 865325 A FI865325 A FI 865325A FI 865325 A FI865325 A FI 865325A FI 75942 C FI75942 C FI 75942C
Authority
FI
Finland
Prior art keywords
sound
microphones
absorber
configuration
absorbers
Prior art date
Application number
FI865325A
Other languages
English (en)
Finnish (fi)
Other versions
FI865325A (fi
FI865325A0 (fi
FI75942B (fi
Inventor
Knut Boenke
Original Assignee
Knut Boenke
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 Knut Boenke filed Critical Knut Boenke
Publication of FI865325A publication Critical patent/FI865325A/fi
Publication of FI865325A0 publication Critical patent/FI865325A0/fi
Application granted granted Critical
Publication of FI75942B publication Critical patent/FI75942B/fi
Publication of FI75942C publication Critical patent/FI75942C/sv

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
FI865325A 1985-04-29 1986-12-29 Anordning för dämpning av ljud och akustiskt stoj FI75942C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO851699A NO851699L (no) 1985-04-29 1985-04-29 Fremgangsmaate og innretning for dempning av lyd og akustisk stoey.
NO851699 1985-04-29
PCT/NO1986/000033 WO1986006533A1 (en) 1985-04-29 1986-04-29 Method and apparatus for attenuating sound and acoustic noise
NO8600033 1986-04-29

Publications (4)

Publication Number Publication Date
FI865325A FI865325A (fi) 1986-12-29
FI865325A0 FI865325A0 (fi) 1986-12-29
FI75942B FI75942B (fi) 1988-04-29
FI75942C true FI75942C (sv) 1988-08-08

Family

ID=19888255

Family Applications (1)

Application Number Title Priority Date Filing Date
FI865325A FI75942C (sv) 1985-04-29 1986-12-29 Anordning för dämpning av ljud och akustiskt stoj

Country Status (5)

Country Link
EP (1) EP0225341A1 (sv)
AU (1) AU5814686A (sv)
FI (1) FI75942C (sv)
NO (1) NO851699L (sv)
WO (1) WO1986006533A1 (sv)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH234383A (de) * 1940-07-29 1944-09-30 Eberspaecher J Einrichtung zur Dämpfung des Schalles von Leitungen mit glattem Durchgang unter Verwendung von an die letzteren angeschlossenen Resonatoren.
DE2507428A1 (de) * 1974-02-22 1975-08-28 Lawson Tancred Henry Verfahren und vorrichtung zur unterdrueckung oder abschwaechung der schallfortpflanzung
DE2814093C2 (de) * 1978-04-01 1980-05-14 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Antischallgeber
DE2834683C2 (de) * 1978-08-08 1980-07-24 Optac Wilfrid Weltin, 6074 Roedermark Schallabsorber
US4480333A (en) * 1981-04-15 1984-10-30 National Research Development Corporation Method and apparatus for active sound control
NL8401041A (nl) * 1984-04-03 1985-11-01 Philips Nv Elektro-akoestische inrichting.

Also Published As

Publication number Publication date
FI865325A (fi) 1986-12-29
AU5814686A (en) 1986-11-18
NO851699L (no) 1986-10-30
WO1986006533A1 (en) 1986-11-06
FI865325A0 (fi) 1986-12-29
EP0225341A1 (en) 1987-06-16
FI75942B (fi) 1988-04-29

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: BOENKE, KNUT