EP2486202B1 - Akustische platte - Google Patents

Akustische platte Download PDF

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Publication number
EP2486202B1
EP2486202B1 EP09748847.2A EP09748847A EP2486202B1 EP 2486202 B1 EP2486202 B1 EP 2486202B1 EP 09748847 A EP09748847 A EP 09748847A EP 2486202 B1 EP2486202 B1 EP 2486202B1
Authority
EP
European Patent Office
Prior art keywords
board
foundation
acoustic panel
poles
acoustic
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP09748847.2A
Other languages
English (en)
French (fr)
Other versions
EP2486202A1 (de
Inventor
Petter Brown
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2486202A1 publication Critical patent/EP2486202A1/de
Application granted granted Critical
Publication of EP2486202B1 publication Critical patent/EP2486202B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/22—Resiliently-mounted floors, e.g. sprung floors

Definitions

  • the present invention is related to an acoustic panel used for the creation of acoustic waves in a solid body corresponding to music and/or speech and for the development of dancing floors or training platforms for hearing impaired people.
  • GB 1447588 (A ) describes a dancing floor that includes at least one floor panel resiliently mounted on a firm foundation and having an electro-mechanical transducer fixed to its underside so as to convert electrical audio-frequency power supplied and modulated with dance music into mechanical vibrations.
  • the panel may be of wood or wood composition board or of plastics.
  • the transducer is attached to the back side of the board which is mounted on sound absorbing material surrounded by safety frames formed of rigid and resilient material respectively.
  • the described panel cannot reproduce mechanical vibrations that strictly correspond to the acoustic signal of the entire frequency range of acoustic signal modulation do to the positioning of a transducer (of speaker type) under the central part of the floor panel, and as a result, the resilient connection between the solid bottom and the acoustic board has constant solidity that cannot be changed when changing the frequency range of the acoustic signal.
  • This invention is aimed at the development of an acoustic panel that allows more precise reproduction of acoustic signal by means of mechanical vibrations in an extended frequency range of the acoustic signal modulation.
  • the objective is achieved by using an acoustic panel that includes solid foundation, above which there is a board resiliently mounted on the foundation.
  • the panel characterizes in that at the foundation there is an electrodynamic system mounted with an even number of poles created by at least one constant magnet. Around each pole a modulating coil is placed.
  • On the foundation there are at least three support sockets fixed, each of which has an internal hole in its upper part where an elastic heel is loosely mounted which is fixed to the board, and the board is made of magnetic soft material.
  • the constant magnet is formed by segments with serial alternating poles.
  • a support socket is placed with a formed internal hole in the upper part in which a loosely mounted elastic heel is placed respectively, attached to the board.
  • the advantages of the acoustic panel according to the invention are related to the delivery of more precise reproduction of the acoustic signal as mechanical vibrations in an extended range of the acoustic signal modulation.
  • this is because of the use of additional magnetic field of constant magnets which reduces the hysteresis of the electromagnetic transducer.
  • the use of a resilient heel, loosely mounted at the hole of the support socket, by supporting the board of the acoustic panel it allows to achieve different hardness of the vibration system loaded with the human body weight over the board on the one hand, and on the other hand - with the equivalent magnetic power of the modulating impact of the acoustic signal.
  • the acoustic panel ( fig. 1 and 3 ) consists of a solid foundation 1 over which a board is placed (membrane) 2, resiliently mounted on the foundation 1.
  • a board On the foundation there is a mounted system of at least one constant magnet 3 with poles N and S 4, around which there is a modulating coil 5.
  • the magnets 3 are four, and joint poles 4 are formed in the four tops of the system among which the magnetic core 9 is set.
  • the foundation 1 and the board 2 have quadrangular shape, and square shape is preferred.
  • a support socket 6 with an internal hole 7 in the upper part can be placed, where a resilient heel 8 is loosely mounted and attached on the board 2.
  • the acoustic panel according to the invention is used to develop dance floors suitable for hearing impaired and deaf people.
  • the panel is also suitable for training or educational purposes for the same group of people, e.g. a seat, back of a chair or similar tools.
  • alternating magnetic field is generated which combined with the magnetic field of the constant magnets 3 is closed through the magnetic soft board 2 and creates forces of attraction or repulsion of the board 2 towards the magnetic core 9, and thus it forces vibrations of the board 2 in two directions with respect to the static condition of the platform when the acoustic panel is loaded with a person in conformity with the amplitude and the frequency of the acoustic signal.
  • the board 2 moves downwards towards the foundation 1 under the force of one half wave of the amplitude-frequency modulated signal, as a result of the filled looseness between the heel 8 and the socket 6 because of the deformation of the resilient heel 8, the system hardens and the board 2 vibration is in conformity with the high-frequency component of the acoustic signal.
  • the board moves upwards from the foundation 1 under the force of the other half wave of the amplitude-frequency modulated signal, as a result of created looseness between the heel 8 and the socket 6, the system softens and reproduces a low-frequency component (part) of the acoustic signal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Claims (5)

  1. Eine Akustikplatte, die aus einem festen Fundament (1) besteht, auf dem ein Brett (2) platziert ist, und durch Folgendes charakterisiert ist: Das Brett (2) ist federnd auf dem Fundament montiert, am Fundament (1) ist ein elektrodynamisches System mit einer geraden Anzahl an Polen (4) montiert, die von mindestens einem Permanentmagneten (3) gebildet werden. Um jeden Pol (4) ist eine modulierende Spule (5) angebracht, und am Fundament (1) sind mindestens drei Stützsockel (6) befestigt, je mit einer Innenbohrung (7) im oberen Teil, in der sich ein lose montierter federnder Zapfen (8) befindet, der am Brett (2) befestigt ist. Das Brett besteht aus weichmagnetischem Material.
  2. Eine Akustikplatte gemäß Anspruch 1, die durch Folgendes charakterisiert ist: Die Permanentmagnete (3) werden durch Segmente (10) mit seriellen wechselnden Polen gebildet.
  3. Eine Akustikplatte gemäß Anspruch 1, die durch Folgendes charakterisiert ist: Es sind insgesamt vier Magnete (3) vorhanden, die vier Magnetketten mit verbundenen Polen (4) bilden.
  4. Eine Akustikplatte gemäß Anspruch 3, die durch Folgendes charakterisiert ist: Die verbundenen Pole (4) werden durch einen separaten Magnetkern (9) gebildet, um den eine modulierende Spule (5) angebracht ist.
  5. Eine Akustikplatte gemäß den Ansprüchen 1 bis 4, die durch Folgendes charakterisiert ist: An jeder Ecke des Fundaments (1) ist ein Stützsockel (6) mit einer Innenbohrung (7) in seinem oberen Teil montiert, in der ein federnder Zapfen (8) lose montiert ist, der am Brett (2) befestigt ist.
EP09748847.2A 2009-10-08 2009-10-08 Akustische platte Not-in-force EP2486202B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2009/007104 WO2011042768A1 (en) 2009-10-08 2009-10-08 Acoustic panel

Publications (2)

Publication Number Publication Date
EP2486202A1 EP2486202A1 (de) 2012-08-15
EP2486202B1 true EP2486202B1 (de) 2013-06-26

Family

ID=42610068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09748847.2A Not-in-force EP2486202B1 (de) 2009-10-08 2009-10-08 Akustische platte

Country Status (4)

Country Link
EP (1) EP2486202B1 (de)
DK (1) DK2486202T3 (de)
ES (1) ES2427766T3 (de)
WO (1) WO2011042768A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2319667C2 (de) * 1973-04-18 1974-12-05 Manfred 6600 Saarbruecken Jaegle Schwingende Tanzfläche
US5303526A (en) * 1989-02-08 1994-04-19 Robbins, Inc. Resilient portable floor system
US7069787B2 (en) * 2003-09-29 2006-07-04 Crowson Ii Randolph J Robust low profile shaker

Also Published As

Publication number Publication date
DK2486202T3 (da) 2013-09-16
ES2427766T3 (es) 2013-10-31
WO2011042768A1 (en) 2011-04-14
EP2486202A1 (de) 2012-08-15

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