EP1112670B1 - Harmonic amplifier and corresponding electroacoustic transducer - Google Patents

Harmonic amplifier and corresponding electroacoustic transducer Download PDF

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Publication number
EP1112670B1
EP1112670B1 EP99932952A EP99932952A EP1112670B1 EP 1112670 B1 EP1112670 B1 EP 1112670B1 EP 99932952 A EP99932952 A EP 99932952A EP 99932952 A EP99932952 A EP 99932952A EP 1112670 B1 EP1112670 B1 EP 1112670B1
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EP
European Patent Office
Prior art keywords
winding
audio
acoustic
electro
sound
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.)
Expired - Lifetime
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EP99932952A
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German (de)
French (fr)
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EP1112670A1 (en
Inventor
Marc Charbonneaux
Patrice Morchain
Pierre Piccaluga
Claude-Annie Perrichon
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.)
ADVANCE TECHNOLOGY AUDIO ORGANISATION S.A. (ATAO)
Original Assignee
Advance Technology Audio Organisation Sa (atao) Droit Luxembourgeois Ste
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Definitions

  • the document FR-A-2,521,808 discloses a ribbon speaker comprising a permanent magnet defining a gap in which is disposed a ribbon. The free ends of the ribbon are connected to electrical contacts. According to one embodiment, the ribbon consists of a series of strips that can be wound on a flexible support.
  • a product such as the plasma chamber was close to the physical performance of the air since it acted on the particles of the air.
  • the invention provides an apparatus according to claim 1 and its use as defined in claim 4, as well as a system as defined in claim 5.
  • the other claims define preferred embodiments.
  • the present apparatus complements current sound reproduction systems such as the loudspeakers used. These speakers create the necessary sound bases but without any refinement, and in particular have a characteristic defect which is the non respect of the intermodulation sound.
  • the present method and apparatus superimposes the coarse sound signal of the speakers,
  • This sound information is the amplification and precise order of the harmonics in space-time.
  • the sound emission is thus carried out by the sonic micro-vibrations of the electrical wires of the solenoid (s).
  • a variant of the apparatus is a solenoid supplemented with at least one magnet inside or outside, which activates its effect but decreases its sensitivity due to the remanence of the magnetic field of the magnet which imposes its Magnetic field constant, masking the Earth's magnetic field.
  • the apparatus is constituted ( Fig 1 ) by at least one winding of electrical wires (1) in this case of figure 1 / 10th of a millimeter wound on a flexible support (2) made of polymer 10 cm long and 0.8 cm in diameter.
  • the impedance of this winding is 8 Ohms, the winding is characterized in that each layer (3, 4) is wound in the same winding direction, the return wire (5) being placed along the winding.
  • This winding mode allows micro-vibrations between the turns, given the difference in voltage between the turns of the first and second layers. These micro-vibrations participate in the sound amplification of the harmonics.
  • This device is coupled to an audio electrical signal of a acoustic enclosure or an acoustic power supply.
  • This device comes in addition to usual electro-acoustic transducers.
  • This apparatus is made by a person skilled in the art and represents a non-limiting example of embodiment of this method.
  • This device ( Fig 1 ) is integrated ( Fig 2
  • the electroacoustic transducer solenoid 10 of the present apparatus is freely mounted in the ambient air next to the tweeter 11. It is mounted on the facade mechanically held by two screws 12. and is electrically mounted with the tweeter 11 by the electrical wires (5, 6) from the electro-acoustic filter (7).
  • the winding of the electric wire can have any type of shape, for example round, conical, square or any other shape.
  • This assembly is not exhaustive of the application of the device.
  • This new electro-acoustic transducer could be mounted directly on the general audio supply between the amp and the speaker.
  • These new electro-acoustic transducers can be connected together in series or in parallel or both.
  • These acoustic transducers are harmonic amplifiers.
  • the present method and electro-acoustic apparatus limited to a winding of electric wire without membrane gives an unmatched acoustic fineness.
  • This apparatus and method can be used on all audio, audio-video and all communication systems such as telephones, radio, as well as by the medical world for improving the hearing comfort of the hearing impaired.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Communication Cables (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

A method of reproducing audio sound using low level electromagnetism applied to ambient air particles to create a new magnetic field. The method uses a device having at least one winding of electric wires that re wound onto a flexible polymer support. The impedance of the winding is 8 Ohms. The device is connected to an electric audio signal of an acoustic chamber or an acoustic supply. The device and method are useable with audio and audio-video systems, as well as other known methods of communication.

Description

II est dans le monde de la reproduction du son, usuel d'utiliser des membranes excitées par des moteurs à aimants ou des systèmes électrostatiques à ruban.In the world of sound reproduction, it is customary to use membranes excited by magnet motors or electrostatic ribbon systems.

Le document FR-A-2 521 808 décrit un haut-parleur à ruban comprenant un aimant permanent définissant un entrefer dans lequel est disposé un ruban. Les extrémités libres du ruban sont connectées à des contacts électriques. Selon un mode de réalisation, le ruban est constitué d'une série de bandes qui peuvent être enroulées sur un support souple.The document FR-A-2,521,808 discloses a ribbon speaker comprising a permanent magnet defining a gap in which is disposed a ribbon. The free ends of the ribbon are connected to electrical contacts. According to one embodiment, the ribbon consists of a series of strips that can be wound on a flexible support.

Il est habituel d'identifier ces produits par des rendements acoustiques et des vitesses d'accélération.It is customary to identify these products by acoustic yields and acceleration rates.

Tous ces produits ont des masses importantes en mouvements pour produire le son. Par opposition, le son est un choc entre particules de l'air qui ont des masses infiniment petites qui confèrent des vitesses de propagation sonore élevées, environ 300 mètres par seconde.All these products have large masses in motion to produce sound. In contrast, the sound is a clash between air particles that have infinitely small masses that confer high sound propagation velocities, about 300 meters per second.

Un produit tel que l'enceinte au plasma était proche des performances physiques de l'air puisqu'il agissait au niveau des particules de l'air.A product such as the plasma chamber was close to the physical performance of the air since it acted on the particles of the air.

L'inconvénient de ce procédé passait par une transformation chimique de la composition de l'air et pour cela les moyens de mise en oeuvre étaient relativement coûteux.The disadvantage of this process was a chemical transformation of the composition of the air and for this the means of implementation were relatively expensive.

L'invention propose un appareil selon la revendication 1 et son utilisation telle que définie dans la revendication 4, ainsi qu'un système tel que défini dans la revendication 5. Les autres revendications définissent des modes de réalisations préférés.The invention provides an apparatus according to claim 1 and its use as defined in claim 4, as well as a system as defined in claim 5. The other claims define preferred embodiments.

Le présent appareil est un complément aux systèmes de reproduction sonore actuels tels que les enceintes acoustiques utilisées. Ces enceintes créent les bases sonores nécessaires mais sans aucun raffinement, et notamment ont un défaut caractéristique qui est le non respect de l'intermodulation sonore. Le présent procédé et appareil superpose au signal sonore grossier des enceintes,The present apparatus complements current sound reproduction systems such as the loudspeakers used. These speakers create the necessary sound bases but without any refinement, and in particular have a characteristic defect which is the non respect of the intermodulation sound. The present method and apparatus superimposes the coarse sound signal of the speakers,

l'information sonore fine contenue dans le signal électrique audio d'origine.the fine sound information contained in the original audio electrical signal.

Cette information sonore est l'amplification et l'ordre précis des harmoniques dans l'espace-temps.This sound information is the amplification and precise order of the harmonics in space-time.

L'émission sonore est ainsi réalisée par les micro-vibrations sonores des fils électriques du ou des solénoïdes.The sound emission is thus carried out by the sonic micro-vibrations of the electrical wires of the solenoid (s).

Une variante de l'appareil est un solénoïde additionné d'au moins un aimant à l'intérieur ou à l'extérieur, qui active son effet mais en diminue la sensibilité du fait de la rémanence du champ magnétique de l'aimant qui impose sa constante de champ magnétique, masquant le champ magnétique terrestre.A variant of the apparatus is a solenoid supplemented with at least one magnet inside or outside, which activates its effect but decreases its sensitivity due to the remanence of the magnetic field of the magnet which imposes its Magnetic field constant, masking the Earth's magnetic field.

L'appareil est constitué (Fig 1) par au moins un enroulement de fils électriques (1) dans ce cas de figure, 1/10ème de millimétré enroulé sur un support souple (2) en polymère de 10 cm de long et 0.8 cm de diamètre. L'impédance de cet enroulement est de 8 Ohms, l'enroulement est caractérise en ce que chaque couche (3, 4) est enroulée dans le même sens de bobinage, le fil de retour (5) étant placé le long du bobinage. Ce mode de bobinage permet des micro-vibrations entre les spires, étant donné la différence de tension entre les spires de la première et deuxième couche. Ces micro-vibrations participent à l'amplification sonore des harmoniques. Cet appareil est couplé à un signal électrique audio d'une enceinte acoustique ou d'une alimentation acoustique. Cet appareil vient en complément de transducteurs électro-acoustiques usuels. Cet appareil est réalisé par un homme de l'art et représente un exemple non limitatif de réalisation de ce procédé. Cet appareil (Fig 1) est intégré (Fig 2) dans une enceinte acoustique (8) devant la façade 9. à Le solenoïde transducteur électro-acoustique 10 du présent appareil est monté libre dans l'air ambiant à côté du Tweeter 11. Il est monté sur la façade tenu mécaniquement par deux vis 12 et est monté électriquement avec le Tweeter 11 par les fils électriques (5, 6) provenant du filtre électro-acoustique (7). L'enroulement du fil électrique peut avoir n'importe quel type de forme, par exemple de section ronde, conique, carrée ou toute autre forme. Ce montage n'est pas exhaustif de l'application de l'appareil. Ce nouveau transducteur électro-acoustique pourrait être monté directement sur l'alimentation générale audio entre l'ampli et l'enceinte acoustique.The apparatus is constituted ( Fig 1 ) by at least one winding of electrical wires (1) in this case of figure 1 / 10th of a millimeter wound on a flexible support (2) made of polymer 10 cm long and 0.8 cm in diameter. The impedance of this winding is 8 Ohms, the winding is characterized in that each layer (3, 4) is wound in the same winding direction, the return wire (5) being placed along the winding. This winding mode allows micro-vibrations between the turns, given the difference in voltage between the turns of the first and second layers. These micro-vibrations participate in the sound amplification of the harmonics. This device is coupled to an audio electrical signal of a acoustic enclosure or an acoustic power supply. This device comes in addition to usual electro-acoustic transducers. This apparatus is made by a person skilled in the art and represents a non-limiting example of embodiment of this method. This device ( Fig 1 ) is integrated ( Fig 2 The electroacoustic transducer solenoid 10 of the present apparatus is freely mounted in the ambient air next to the tweeter 11. It is mounted on the facade mechanically held by two screws 12. and is electrically mounted with the tweeter 11 by the electrical wires (5, 6) from the electro-acoustic filter (7). The winding of the electric wire can have any type of shape, for example round, conical, square or any other shape. This assembly is not exhaustive of the application of the device. This new electro-acoustic transducer could be mounted directly on the general audio supply between the amp and the speaker.

Ces nouveaux transducteurs électro-acoustiques peuvent être montés entre eux en série ou en parallèle ou les deux.These new electro-acoustic transducers can be connected together in series or in parallel or both.

Ces transducteurs acoustiques sont des amplificateurs harmoniques.These acoustic transducers are harmonic amplifiers.

Le présent procédé et appareil électro-acoustique limité à un enroulement de fil électrique sans membrane donne une finesse acoustique inégalée.The present method and electro-acoustic apparatus limited to a winding of electric wire without membrane gives an unmatched acoustic fineness.

Plusieurs enroulements l'un sur l'autre constituent également un transducteur électro-acoustique de même nature que celui présenté dans le présent procédé, de réalisation plus complexe.Several windings one on the other also constitute an electro-acoustic transducer of the same nature as that presented in the present method, of more complex realization.

Cet appareil et procédé sont utilisables sur tous les systèmes audio, audio-vidéo et tout mode de communication fel que téléphones, radio, ainsi que par le monde médical pour l'améloration du confort auditif des malentendants.This apparatus and method can be used on all audio, audio-video and all communication systems such as telephones, radio, as well as by the medical world for improving the hearing comfort of the hearing impaired.

Claims (7)

  1. A device for reproducing sound intended to come in addition to usual electro-acoustic transducers, which device is formed by at least one electric wire winding, both layers (3, 4) of which are wound in the same winding direction, the return wire (5) being placed along the coil, said winding forming by itself an electro-acoustic transducer, said winding producing when it is freely mounted in ambient air and excited by an audio electric signal, sound micro-vibrations between the turns loops of the coil amplifying the harmonics of the signal.
  2. The device according to claim 1, comprising at least one magnet placed inside or outside the winding, in order to increase the effects of the magnetic field of the winding.
  3. The device according to claim 1 or 2, wherein the electric wire is wound on a 10 cm long flexible polymer support (2) with a diameter of 0.8 cm, the electric wire having a diameter of 1/10th of a millimeter and the impedance of the winding being 8 ohms.
  4. The use of a device according to any of claims 1 to 3, in as an addition to usual electroacoustic transducers.
  5. A system, comprising:
    - a loudspeaker enclosure (8) for producing an audio sound signal in response to an audio electric signal, and
    - a device according to any of claims 1 to 3 for amplifying the harmonics of the audio electric signal.
  6. The system according to claim 5, wherein the loudspeaker enclosure (8) comprises a tweeter (11), the winding of the device being freely mounted in ambient air beside the tweeter (11) on the front (9) of the loudspeaker enclosure (8) and is electrically mounted with the tweeter (11) by through electric wires (5, 6) from the electro-acoustic filter (7).
  7. The system according to claim 5, comprising a general audio power supply and an amplifier, wherein the winding of the device is directly connected to the general audio power supply between the amplifier and the loudspeaker enclosure (8).
EP99932952A 1998-08-18 1999-07-22 Harmonic amplifier and corresponding electroacoustic transducer Expired - Lifetime EP1112670B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9810596A FR2782595B1 (en) 1998-08-18 1998-08-18 ELECTRIC ACOUSTIC TRANSDUCER HARMONIC AMPLIFIER
FR9810596 1998-08-18
PCT/FR1999/001807 WO2000011910A1 (en) 1998-08-18 1999-07-22 Harmonic amplifier and corresponding electroacoustic transducer

Publications (2)

Publication Number Publication Date
EP1112670A1 EP1112670A1 (en) 2001-07-04
EP1112670B1 true EP1112670B1 (en) 2011-08-31

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EP99932952A Expired - Lifetime EP1112670B1 (en) 1998-08-18 1999-07-22 Harmonic amplifier and corresponding electroacoustic transducer

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US (1) US6944306B1 (en)
EP (1) EP1112670B1 (en)
JP (1) JP4413433B2 (en)
KR (1) KR20010079659A (en)
CN (1) CN1314067A (en)
AT (1) ATE523041T1 (en)
AU (1) AU4915799A (en)
BR (1) BR9913122A (en)
CA (1) CA2340072C (en)
DK (1) DK1112670T3 (en)
ES (1) ES2373148T3 (en)
FR (1) FR2782595B1 (en)
HK (1) HK1040344A1 (en)
IL (1) IL141474A0 (en)
NO (1) NO20010787L (en)
RU (1) RU2266627C2 (en)
WO (1) WO2000011910A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI118368B (en) * 2001-11-15 2007-10-15 Pekka Saastamoinen Method and device arrangement for improving the audio quality of an audio system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766334A (en) * 1971-11-15 1973-10-16 A Burke Double voice coil loudspeaker
FR2521808A1 (en) * 1982-02-12 1983-08-19 Richard Rapp Robert Ribbon loudspeaker for HF sounds - has two magnetic poles defining air gap which contains electrically conducting ribbon
US4443731A (en) * 1982-09-30 1984-04-17 Butler John L Hybrid piezoelectric and magnetostrictive acoustic wave transducer
FR2638930B1 (en) * 1988-11-10 1991-05-31 Languedoc Acieries Haut ELECTROACOUSTIC TRANSDUCER
US6275593B1 (en) * 1996-05-10 2001-08-14 True Dimensional Sound, Inc. Apparatus and methods for the harmonic enhancement of electronic audio signals
US5361306A (en) * 1993-02-23 1994-11-01 True Dimensional Sound, Inc. Apparatus and methods for enhancing an electronic audio signal
US5917922A (en) * 1995-11-08 1999-06-29 Kukurudza; Vladimir Walter Method of operating a single loud speaker drive system
US5748758A (en) * 1996-01-25 1998-05-05 Menasco, Jr.; Lawrence C. Acoustic audio transducer with aerogel diaphragm
US6208742B1 (en) * 1998-08-19 2001-03-27 True Dimensional Sound, Inc. Electro-acoustic dynamic transducer system for use in a loud speaker
US6792120B1 (en) * 1999-02-25 2004-09-14 Jonathan M. Szenics Audio signal enhancement and amplification system

Also Published As

Publication number Publication date
KR20010079659A (en) 2001-08-22
RU2266627C2 (en) 2005-12-20
JP2002524001A (en) 2002-07-30
BR9913122A (en) 2001-09-25
NO20010787D0 (en) 2001-02-16
ATE523041T1 (en) 2011-09-15
HK1040344A1 (en) 2002-05-31
DK1112670T3 (en) 2011-12-12
CN1314067A (en) 2001-09-19
CA2340072C (en) 2008-02-19
WO2000011910A1 (en) 2000-03-02
EP1112670A1 (en) 2001-07-04
ES2373148T3 (en) 2012-01-31
IL141474A0 (en) 2002-03-10
JP4413433B2 (en) 2010-02-10
FR2782595A1 (en) 2000-02-25
AU4915799A (en) 2000-03-14
US6944306B1 (en) 2005-09-13
FR2782595B1 (en) 2001-04-20
CA2340072A1 (en) 2000-03-02
NO20010787L (en) 2001-04-06

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