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
US7303305B2 (en) * 2002-08-06 2007-12-04 Kennedy & Violich Architecture, Ltd. Acoustic light emitting module
US20080029336A1 (en) * 2006-06-10 2008-02-07 Patrick Sigler Acoustic panel
US9459399B2 (en) * 2011-09-06 2016-10-04 Koninklijke Philips 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
SG11201704088PA (en) * 2014-12-05 2017-06-29 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
USD894429S1 (en) 2018-04-13 2020-08-25 Caimi Brevetti S.P.A. Sound absorbing panel
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
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

Similar Documents

Publication Publication Date Title
DK108542C (da) Lydabsorberende perforeret plade.
CH332401A (de) Schallabsorbierendes Bauelement
DK84004C (da) Lyddæmpende beklædning.
DK84811C (da) Plantemaskine.
FI27458A (fi) Dammsugare, företrädesvis transportabel sådan
DK87316C (da) Indskudsloft.
DK86555C (da) Duplikator.
DK85580C (da) Trawlnet.
DK88621C (da) Høvender.
DK85016C (da) Plov.
DK82516C (da) Plov.
DK86332C (da) Kærneæltertønde.
DK87425C (da) Siapparat.
DK87818C (da) Danseestrade.
DK83683C (da) Saltkar.
DK88680C (da) Facsimilesender.
DK90419C (da) Trawlbord.
DK90572C (da) Facsimilesender.
DK91079C (da) Pupinspolemuffe.
DK96548C (da) Termokopieringsapparat.
BE573197Q (fr) Kussen.
GR16577B (el) Διγωνος χαραξ.
GR16084B (el) Αυτοματος συριγξ.
GR16025B (el) Καπελλο - ομπρελλα.
GR15970B (el) Βαλιτσα - σκαμνι.