DK108542C - Lydabsorberende perforeret plade. - Google Patents

Lydabsorberende perforeret plade.

Info

Publication number
DK108542C
DK108542C DK323256AA DK323256A DK108542C DK 108542 C DK108542 C DK 108542C DK 323256A A DK323256A A DK 323256AA DK 323256 A DK323256 A DK 323256A DK 108542 C DK108542 C DK 108542C
Authority
DK
Denmark
Prior art keywords
sound
perforated plate
absorbing perforated
absorbing
plate
Prior art date
Application number
DK323256AA
Other languages
English (en)
Original Assignee
Bolt Beranek & Newman
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 Bolt Beranek & Newman filed Critical Bolt Beranek & Newman
Application granted granted Critical
Publication of DK108542C publication Critical patent/DK108542C/da

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/34—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
DK323256AA 1955-09-19 1956-09-13 Lydabsorberende perforeret plade. DK108542C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US534958A US2935151A (en) 1955-09-19 1955-09-19 Acoustic absorber

Publications (1)

Publication Number Publication Date
DK108542C true DK108542C (da) 1968-01-02

Family

ID=24132224

Family Applications (1)

Application Number Title Priority Date Filing Date
DK323256AA DK108542C (da) 1955-09-19 1956-09-13 Lydabsorberende perforeret plade.

Country Status (2)

Country Link
US (1) US2935151A (da)
DK (1) DK108542C (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103987A (en) * 1960-08-31 1963-09-17 Koppers Co Inc Acoustical panel construction
US3779338A (en) * 1972-01-27 1973-12-18 Bolt Beranek & Newman Method of reducing sound generation in fluid flow systems embodying foil structures and the like
US5782551A (en) * 1994-11-01 1998-07-21 Capaul; Raymond W. Acoustical lighting fixture
AU2003256891A1 (en) * 2002-08-06 2004-02-23 Sheila Kennedy Acoustic light emitting module
US20080029336A1 (en) * 2006-06-10 2008-02-07 Patrick Sigler Acoustic panel
WO2013035016A1 (en) * 2011-09-06 2013-03-14 Koninklijke Philips Electronics N.V. Light-emitting panel with transparent cellular support panel
US9194124B2 (en) 2011-12-09 2015-11-24 3M Innovative Properties Company Acoustic light panel
FR3000509B1 (fr) * 2012-12-31 2015-01-16 Jean-Marc Scherrer Ensemble etanche et acoustiquement absorbant pour fausse paroi
AT516088A3 (de) * 2014-07-17 2019-01-15 Anton Schnurrer Beleuchtungseinrichtung
WO2016087587A1 (en) * 2014-12-05 2016-06-09 Eleda S.R.L. Sound-absorbing element and system
US10096310B2 (en) * 2015-10-16 2018-10-09 Auralex Acoustics Acoustic system and method
US11257474B2 (en) 2017-10-10 2022-02-22 Auralex Acoustics Acoustic system and method
USD895158S1 (en) 2018-04-13 2020-09-01 Caimi Brevetti S.P.A. Sound absorbing panel
USD895159S1 (en) 2018-04-13 2020-09-01 Caimi Brevetti S.P.A. Sound absorbing panel
USD894429S1 (en) 2018-04-13 2020-08-25 Caimi Brevetti S.P.A. Sound absorbing panel
US11199321B1 (en) * 2019-12-04 2021-12-14 Finelite Inc. Lighting system with acoustic shroud

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1726500A (en) * 1928-12-28 1929-08-27 Burgess Lab Inc C F Sound-deadening construction
US2159488A (en) * 1935-08-01 1939-05-23 Johns Manville Perforated membrane
US2096233A (en) * 1935-09-07 1937-10-19 Universal Insulation Company Perforated plaster sound-deadening construction
US2506951A (en) * 1945-11-05 1950-05-09 Leroy C Doane Foraminous sheet material and luminaire made therefrom
US2656004A (en) * 1947-04-29 1953-10-20 Rca Corp Multisection acoustic filter
US2659808A (en) * 1949-06-22 1953-11-17 F W Wakefield Brass Company Combination luminous and acoustical ceiling
DE866183C (de) * 1951-11-11 1953-02-09 Paul Mueller Blendfreie Abschirmung an Langfeldleuchten, Neonroehren od. dgl.
US2703627A (en) * 1954-04-16 1955-03-08 Pittsburgh Corning Corp Acoustic tile

Also Published As

Publication number Publication date
US2935151A (en) 1960-05-03

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