NL7513440A - SOUND AND ELECTROMAGNETIC WAVES ABSORPTION DEVICE AND METHOD OF MANUFACTURE THEREOF. - Google Patents

SOUND AND ELECTROMAGNETIC WAVES ABSORPTION DEVICE AND METHOD OF MANUFACTURE THEREOF.

Info

Publication number
NL7513440A
NL7513440A NL7513440A NL7513440A NL7513440A NL 7513440 A NL7513440 A NL 7513440A NL 7513440 A NL7513440 A NL 7513440A NL 7513440 A NL7513440 A NL 7513440A NL 7513440 A NL7513440 A NL 7513440A
Authority
NL
Netherlands
Prior art keywords
sound
manufacture
electromagnetic waves
absorption device
waves absorption
Prior art date
Application number
NL7513440A
Other languages
Dutch (nl)
Original Assignee
Gruenzweig Hartmann Glasfaser
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 Gruenzweig Hartmann Glasfaser filed Critical Gruenzweig Hartmann Glasfaser
Publication of NL7513440A publication Critical patent/NL7513440A/en

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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/008—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with a particular shape
    • 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
    • E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
    • E04B2001/8419—Acoustical cones or the like, e.g. for anechoic chambers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Aerials With Secondary Devices (AREA)
NL7513440A 1975-01-24 1975-11-18 SOUND AND ELECTROMAGNETIC WAVES ABSORPTION DEVICE AND METHOD OF MANUFACTURE THEREOF. NL7513440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752502846 DE2502846C3 (en) 1975-01-24 1975-01-24 Absorber for damping sound and electromagnetic waves

Publications (1)

Publication Number Publication Date
NL7513440A true NL7513440A (en) 1976-07-27

Family

ID=5937211

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7513440A NL7513440A (en) 1975-01-24 1975-11-18 SOUND AND ELECTROMAGNETIC WAVES ABSORPTION DEVICE AND METHOD OF MANUFACTURE THEREOF.

Country Status (4)

Country Link
AT (1) AT340646B (en)
DE (1) DE2502846C3 (en)
FR (1) FR2298848A1 (en)
NL (1) NL7513440A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK342180A (en) * 1979-08-10 1981-02-11 Gruenzweig & Hartmann Montage SOUND ABSORBATOR ISAIR FOR SOUND ROOMS
DE3744511A1 (en) * 1987-12-30 1989-07-20 Axel Dr Ing Sedlmeyer Method for controlled distribution in the spectral band of electromagnetic and/or acoustic energy which passes through and/or is reflected from a body of any shape, in order to make detectability more difficult, and for indirect reduction of the echo cross-section
DE29617340U1 (en) * 1996-10-02 1998-02-05 Rathsfeld, Gloria, 80539 München Sound damping device
DE19861016C2 (en) * 1998-12-17 2001-07-05 Fraunhofer Ges Forschung Structured molded bodies for sound absorption
EP2916316A1 (en) 2014-03-05 2015-09-09 G + H Schallschutz Gmbh Sound absorption body, device, sound absorption device, method for insertion and method for removing a sound absorption body
DE202014101267U1 (en) 2014-03-19 2015-07-01 Rehau Ag + Co Device for influencing sound or sound energy

Also Published As

Publication number Publication date
DE2502846B2 (en) 1977-07-14
AT340646B (en) 1977-12-27
ATA952975A (en) 1977-04-15
FR2298848B1 (en) 1978-11-10
DE2502846A1 (en) 1976-07-29
FR2298848A1 (en) 1976-08-20
DE2502846C3 (en) 1978-05-18

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Legal Events

Date Code Title Description
BV The patent application has lapsed