EP1856946A2 - Aquatischer lautsprecher mit einer membran - Google Patents

Aquatischer lautsprecher mit einer membran

Info

Publication number
EP1856946A2
EP1856946A2 EP06709058A EP06709058A EP1856946A2 EP 1856946 A2 EP1856946 A2 EP 1856946A2 EP 06709058 A EP06709058 A EP 06709058A EP 06709058 A EP06709058 A EP 06709058A EP 1856946 A2 EP1856946 A2 EP 1856946A2
Authority
EP
European Patent Office
Prior art keywords
membrane
shell
peripheral
loudspeaker according
coil
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.)
Granted
Application number
EP06709058A
Other languages
English (en)
French (fr)
Other versions
EP1856946B1 (de
Inventor
Noël Canivenq
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 EP1856946A2 publication Critical patent/EP1856946A2/de
Application granted granted Critical
Publication of EP1856946B1 publication Critical patent/EP1856946B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/44Special adaptations for subaqueous use, e.g. for hydrophone

Definitions

  • the present invention relates to a loudspeaker for being immersed in water so as to propagate sounds therein.
  • the membrane loudspeakers had always been excluded to diffuse sounds in the water, whereas the quartz had the advantage of being able to be wrapped in an insulating plastic material , while providing the desired sealing characteristics, but offering in return a very poor sound quality.
  • the quartz underwater speakers do not reproduce the bandwidth below 400 Hz, that is to say the low and low mediums. Listening to music in the water is extremely sensitive, psycho - sensory in nature, that an inaccurate vibro - tactile signal is refused and the reaction of any individual is to get out of the water.
  • the invention relates to a water speaker of the type constituted by a sound diffusion element which is associated with a coil consisting of an insulating support and an electric winding, itself in connection with a magnet. peripheral, so as to obtain the transformation of an electrical voltage into a musical frequency, characterized in that the sound diffusion element is a membrane constituted by a circular plastic plane wall, of predetermined thickness, capable of producing the sound in association with the coil and to direct it by means of a bell - shaped shell, also made of plastic, associated on the one hand with the membrane by its open lower peripheral edge, and on the other hand with the magnet. lodging at less partially in a corresponding opening formed on the back of the shell, these elements constituting an assembly defining between them a sealed internal chamber inside which is disposed the electrical coil in close connection with the membrane and with the magnet.
  • the present invention also relates to the features which will emerge during the following description, which should be considered in isolation or in all their possible technical combinations.
  • Fig. 1 shows an exploded side view of a speaker assembly, ie, coil-coil-shell-magnet and an outer shell, prior to assembly, according to a first embodiment.
  • Figure 2 shows a set of loudspeaker and protective envelope according to Figure 1 in top view, showing fastening means.
  • Figure 3 is a perspective view and in. diametral section of a loudspeaker assembly, that is to say, membrane-coil-shell-magnet.
  • FIG. 4 is a perspective view, partially in section, of a loudspeaker assembly according to Figure 3, with an outer casing, according to a second embodiment.
  • FIG. 5 is a schematic side view of a loudspeaker provided with an envelope according to the embodiment of FIG. 4.
  • FIG. 6 is a top view of a loudspeaker according to FIG. 5.
  • a loudspeaker is traditionally constituted by a sound diffusion element 2 which is associated with a coil 3 consisting of an insulating support 4 and an electric winding 5, itself in connection with a peripheral magnet 6, in such a way that to obtain the transformation of an electrical voltage into a musical frequency.
  • the sound diffusion element 2 is a membrane 2 consisting of a circular plastic plane wall, of predetermined thickness, capable of producing the sound in association with the coil 3 and with a shell 7 in the form of bell, also of plastic, associated on the one hand with the membrane 2 by its open lower peripheral edge 8, and on the other hand with the magnet 6 housed at least partially in a corresponding opening 9 formed on the back 7a of the shell 7, these elements constituting an assembly defining between them an internal chamber-10 to -InnerlBnr - of Which is disposed the electric coil 3 in close connection with the membrane 2 and with the magnet 6.
  • the sealed assembly constituted by the membrane 2, the shell 7 and the magnet 6 comprises in its dorsal portion 7a, opposite the membrane 2, an envelope 11, 12 providing additional sealing and whose shape is such as to allow obtaining an optimum directivity of the sound.
  • the outer casing 11 is obtained by overmoulding of generally cylindrical shape or in the form of an electric bulb and comprises fastening means 13 arranged so as to allow the mounting said speaker instead of an underwater light projector, replacing its bulb.
  • the outer envelope 12 is obtained by overmoulding in the form of a scallop shell, to present an aperture plane P in which is able to register the plane membrane 2, while allowing overmoulding of variable thickness, low e forward, relatively thicker E backwards, so as to obtain optimum directivity of the sound.
  • the shell 7 is associated with the membrane 2, close to the peripheral devices respectively, via a external peripheral lip 14 issuing from the membrane 2 and obtained with it during the same molding operation of a plastic material, said lip 14 forming a cleat against the inner peripheral side wall of which the interlocking wall is supported by outer side of its lower peripheral edge 8 of the shell 7.
  • the external fixation and the axial retention of the membrane 2 with respect to the shell 7 are carried out via a predetermined number of screws (not shown) traversing in a radial direction the peripheral cleat 14 of the membrane 2 then the lower peripheral edge 8 of the shell 7.
  • the membrane 2 has on its inner face a zone forming a bowl 16 delimited by two concentric lips, the inner one 17 being intended for interlocking by the outside of the insulating support 4 of the coil 3, with a predefined tightening, the other external 18, defining with the first 17 the cup 16 intended to constitute an adhesive reservoir in which the peripheral end of the support 4 of the coil 3 will be immersed, the latter having has also been coated with glue, prior to its nesting, so as to obtain an inseparable connection with the membrane 2.
  • the membrane 2 may be made of a polyurethane plastic reinforced with glass fibers, while the shell 7 may for example be made of filled polypropylene.
  • I / envelope as for it is made from a silicone resin.
  • the membrane 2 and the shell 7 are obtained in one piece, during a single molding operation.
EP06709058.9A 2005-01-10 2006-01-10 Aquatischer lautsprecher mit einer membran Not-in-force EP1856946B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0500227A FR2880768B1 (fr) 2005-01-10 2005-01-10 Haut parleur aquatique a membrane
PCT/FR2006/000047 WO2006075083A2 (fr) 2005-01-10 2006-01-10 Haut parleur aquatique a membrane

Publications (2)

Publication Number Publication Date
EP1856946A2 true EP1856946A2 (de) 2007-11-21
EP1856946B1 EP1856946B1 (de) 2013-09-04

Family

ID=34955149

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06709058.9A Not-in-force EP1856946B1 (de) 2005-01-10 2006-01-10 Aquatischer lautsprecher mit einer membran

Country Status (5)

Country Link
US (1) US8181735B2 (de)
EP (1) EP1856946B1 (de)
CA (1) CA2593457C (de)
FR (1) FR2880768B1 (de)
WO (1) WO2006075083A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9906857B2 (en) 2014-04-17 2018-02-27 Lockheed Martin Corporation Underwater acoustic projector
CN111185778B (zh) * 2020-03-10 2020-11-24 石娟娟 一种等速万向节钟形壳粗车用工装
FR3108461B1 (fr) * 2020-03-17 2022-10-21 Dormoy Jeremy Dispositif protégeant les enceintes audio marines, lorsqu'elles ne sont pas en fonctionnement
USD977606S1 (en) * 2021-02-01 2023-02-07 Emil Vicale Novelty button

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2154705A (en) * 1936-10-16 1939-04-18 Telefunken Gmbh Loudspeaker support
FR2603761B1 (fr) * 1982-06-22 1989-01-13 France Etat Armement Antenne de sonar constituant la tete rapportee d'un engin sous-marin et procede de fabrication
US4456797A (en) * 1982-11-18 1984-06-26 Olsen Eric E Submersible personal stereo system
FR2633480B1 (fr) * 1988-06-23 1994-08-12 Gautier Paul Haut-parleur immerge
US4949806A (en) * 1988-12-20 1990-08-21 Stanton Magnetics, Inc. Headset for underwater use
US5142508A (en) * 1989-09-11 1992-08-25 Mitchell Thomas R Aquatic transducer system
US5012457A (en) * 1989-09-11 1991-04-30 Mitchell Thomas R Aquatic transducer system
US6453484B1 (en) * 1996-07-17 2002-09-24 Precision Design Concepts, Lld Fixture assembly for spas, tubs and pools and a method of installation
US5812496A (en) * 1997-10-20 1998-09-22 Peck/Pelissier Partnership Water resistant microphone
US6321868B1 (en) * 1999-06-23 2001-11-27 Asulab S.A. Watertight apparatus capable of being immersed and including an acoustic transducer
DK1063632T3 (da) * 1999-06-23 2007-11-05 Asulab Sa Vandtæt apparat, som er egnet til at være nedsænket og omfatter en lydtransducer
US6545948B1 (en) * 1999-12-06 2003-04-08 Gejing Jiang Submersible loudspeaker
US6763532B2 (en) * 2001-04-12 2004-07-20 Saratoga Spa & Bath, Inc. Head rest assembly having an illuminated insert for a spa

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006075083A2 *

Also Published As

Publication number Publication date
WO2006075083A2 (fr) 2006-07-20
US20090003643A1 (en) 2009-01-01
CA2593457A1 (fr) 2006-07-20
CA2593457C (fr) 2013-07-30
US8181735B2 (en) 2012-05-22
FR2880768B1 (fr) 2007-04-06
FR2880768A1 (fr) 2006-07-14
WO2006075083A3 (fr) 2007-02-15
EP1856946B1 (de) 2013-09-04

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