EP1063632A1 - Appareil étanche susceptible d'être immergé et comprenant un transducteur sonore - Google Patents
Appareil étanche susceptible d'être immergé et comprenant un transducteur sonore Download PDFInfo
- Publication number
- EP1063632A1 EP1063632A1 EP99112092A EP99112092A EP1063632A1 EP 1063632 A1 EP1063632 A1 EP 1063632A1 EP 99112092 A EP99112092 A EP 99112092A EP 99112092 A EP99112092 A EP 99112092A EP 1063632 A1 EP1063632 A1 EP 1063632A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- membrane
- deformable membrane
- vibration blocking
- deformable
- peripheral
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 4
- 238000007654 immersion Methods 0.000 title description 2
- 239000012528 membrane Substances 0.000 claims abstract description 60
- 230000002093 peripheral effect Effects 0.000 claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/08—Hermetic sealing of openings, joints, passages or slits
- G04B37/11—Hermetic sealing of openings, joints, passages or slits of the back cover of pocket or wrist watches
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/0075—Cases with means to enhance sound transmission
-
- 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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
Definitions
- the present invention relates to the field of devices or watertight equipment capable of being submerged in a liquid, such as water, such as a watch, said device comprising a housing in which is housed a sound transducer, of the microphone or speaker type.
- the present invention relates to a waterproof device capable of being immersed in a liquid, for example a waterproof watch, comprising a case including an internal chamber communicating with the outside, said chamber being separated from the outside by a deformable membrane defining, on the one hand, a non-watertight external zone and, on the other side, a sealed internal area, in which is housed, in association with said membrane, a sound transducer, said membrane being fixed by its peripheral edge in the chamber and applied by elastic means to its periphery, but at a distance from said edge, against a bearing surface arranged in the internal chamber.
- the immersion depth can nominally reach a nominal thirty meters or more, and it is already known, in order to guarantee a waterproof watches, to make a completely waterproof case, without no communication route possible outside, for all internal components of the watch.
- the device conforms to the patent application EP-A-0 899 635 shows a significant improvement in general acoustic qualities of the sound transducer. Nevertheless, he was able be demonstrated that a device of this kind did not allow work optimally on the entire sound spectrum used. So, he has been noted the appearance of signal distortions and attenuations in the neighborhood of certain sound frequencies. The appearance in the vicinity of a such frequency range of phenomena of deterioration of acoustic characteristics of the device provided with a membrane deformable can have its origin in multiple causes, such as those linked to the existence of a natural resonance frequency of the elastic organ holding the membrane in place, or the existence of a vibration of the transducer against the bottom of the membrane deformation chamber. Other reasons can obviously be mentioned, but we cannot determine precisely such an origin.
- the object of the invention is therefore to remedy the different disadvantages listed above and provide a new waterproof device capable of being immersed in a liquid and in which the sound transducer associated with a deformable waterproofing membrane is even to be able to ensure an improved reproduction of sound waves on the entire sound spectrum used.
- Another object of the invention is to provide a new waterproof device making it possible to obtain, using particularly simple technical means and proven, good sound reproduction of acoustic waves on the entire sound spectrum used.
- Another object of the invention is to provide a new waterproof device provided with a sound transducer and capable of reproducing a quality optimal acoustics over the entire sound spectrum used while being economical to manufacture, and the various internal components of which can be set up easily.
- an apparatus waterproof capable of being immersed in a liquid
- a watch waterproof including a housing including an internal communicating chamber with the outside, said chamber being separated from the outside by a deformable membrane defining, on one side, a non-waterproof outer zone and, on the other side, a sealed internal area in which is housed, in association with said membrane, a sound transducer, said membrane being fixed by its peripheral edge in the chamber to form a zone of peripheral fixation and applied elastically by elastic means towards its periphery, but at a distance from said edge, against a bearing surface arranged in the internal chamber, characterized in that it comprises a means blocking vibrations transmitted by the sound transducer to the deformable membrane, said means being interposed between the fixing zone peripheral and elastic means.
- the invention will be illustrated in its application to a waterproof device capable of being immersed in a liquid, formed by a timepiece consisting of a wristwatch. It is nevertheless understandable that such a presentation will in no way so be considered a limitation of the invention to this specific type apparatus or apparatus, it being understood that the invention can be applied to generally to any device, usually portable and small dimension, as soon as it includes at least one sound transducer and is likely to be immersed in a liquid, especially water, up to a predetermined depth.
- the sound transducer will advantageously formed by a loudspeaker, it being understood that in its place, any type of sound transducer can be used without going out within the scope of the invention, the sound transducer can for example be also a microphone or other transducer.
- Figure 1 shows a general view in longitudinal cross section of the case 1 of a wristwatch (not shown in its entirety in the figures).
- the housing 1 conventionally comprises a transparent glass 2 mounted on the upper part of a body 3 forming the general framework of the case 1.
- the latter also includes a pair of needles 4, 5 mounted movable on a dial 6 mounted on the body 3.
- the housing 1 also includes all of the parts of the mechanism 7 of operation of the wristwatch (not shown in the figures), and in particular a time setting crown 7A.
- a wristwatch in accordance with the invention could be provided with a microphone transducer or speaker to make a watch forming cell phone.
- the housing 1 has at its lower part a bottom 8 defining its lower part.
- the bottom 8 is mounted on the body 3 and delimits a chamber internal 10 of housing 1 communicating with the exterior of housing 1 through a channel 11 opening for example laterally.
- the bottom 8 presents towards its periphery and at its part upper a support surface 12, for example circular, having a slight inclination relative to the axis of the internal chamber 10.
- the housing 1 also includes a support piece 9, for example circular and generally conjugate in shape and paired at the bottom 8, to come and rest on it.
- Support part 9 is mounted substantially coaxial with the internal chamber 10 and presents, substantially in its part central, a recess 13, for example also of general shape circular.
- This recess 13 constitutes a deformation chamber, bordered a peripheral rib 14 with rounded head and contiguous to a groove annular 15 located radially inside with respect to the rib 14.
- the internal chamber 10 is separated from the outside of the housing 1 by a deformable membrane 17, of plastic material, thus defining, on one side, an outer non-sealed area in relation to the channel 11, and on the other on the side a sealed internal zone incorporating the volume defined by the recess 13.
- a transducer element 22 in the sealed internal area, namely in the volume of the recess 13 is housed, in association with the membrane 17, a transducer element 22, by example a piezoelectric type speaker, or a sound receiver (microphone).
- the transducer element 22 is advantageously directly mounted on and supported by the deformable membrane 17, for example by bonding, or overmolding, or even by molding during the production of the deformable membrane 17.
- the transducer element 22 forms with the deformable membrane 17 an assembly called "transducer assembly 16".
- the deformable membrane 17 is fixed at the level a peripheral attachment zone, and for example by its peripheral edge 17A, advantageously comprising a peripheral rim 18, for example by bonding to a peripheral side wall 19 formed around the surface support 12, respectively on the bottom 8 and the support piece 9. From this way, the membrane 17 seals the interior of the housing 1 vis-à-vis from the outside, while being free to deform in its central zone located inside the inner edge of the bearing surface 12.
- the transducer assembly 16 is also applied elastically by elastic means 20 towards and against the bearing surface 12 in order to allow the lower frequency vibration mode of the active part of the transducer assembly 16.
- the elastic means 20 elastically applies the transducer assembly 16 against the bearing surface 12 in an area adjacent to its periphery but at a certain distance from the peripheral edge 17A so as to leave free space extending between, on the one hand, the periphery of the membrane deformable 17 and its peripheral attachment zone, and, on the other hand, the means elastic 20.
- the elastic means 20 can be formed by any suitable means, and for example by a ring housed in the groove 15 and provided with lugs elastic 21 angularly distributed around the transducer 22.
- the pastes elastic 21 being under stress, they therefore apply elastically the transducer assembly 16 against the bearing surface 12 while limiting strictly the area of the membrane capable of vibrating freely.
- the device comprises a means for blocking the vibrations 40 transmitted by the transducer element 22 to the deformable membrane 17, said means being interposed between the edge peripheral 17A and the elastic means 20.
- the means of vibration blocking 40 is disposed beyond the elastic means 20, in considering the external radial direction and below the fixing zone membrane device.
- the blocking means vibration 40 is an integral part of the deformable membrane 17 and from the latter.
- the vibration blocking means 40 is advantageously formed by a peripheral rib 41 rising from the upper face of the deformable membrane 17.
- the peripheral rib 41 forms a bulge of material disposed directly at the periphery of the sound transducer 22.
- the vibration blocking means 40 may be formed by an area of the deformable membrane 17 which has a higher density relative to the rest of said membrane.
- the vibration blocking means 40 can also be formed by a zone deformable membrane 17 which has greater rigidity relative to the rest of said membrane.
- the stiffening of the membrane towards its peripheral region can be obtained either by means of a structure additional molded, or molded into the mass of the membrane deformable 17, or on the contrary by punctual variation of its composition.
- FIG 3 shows another alternative embodiment of the invention in which the vibration blocking means 40 is formed by a rib 42 from the bearing surface 12 to put the deformable membrane 17 in voltage.
- the vibration blocking means 40 is formed by an element, distinct from the deformable membrane 17.
- FIG. 4 shows a complementary variant of the invention in which the vibration blocking means 40 is formed by a rib 43 from the upper part of the sealed internal area, namely from the room support 9, to come to bear on the deformable membrane 17 for the press against the support surface 12.
- the means of vibration block 40 can extend continuously over the entire peripheral length of the deformable membrane 17, or on the contrary extend discontinuously, the main thing being that we can observe and note that there is no deterioration in the acoustic characteristics of the switchgear whatever the frequency zones considered.
- This table presents, in a first part, the results obtained by means of a control device differing from the present invention only by the absence of the vibration blocking means 40.
- this table presents the beneficial effect the interposition of a vibration blocking means 40 formed by a peripheral rib 41.
- the penultimate column of this table presents the ratio, expressed as a percentage, of the energy delivered to the 2 nd harmonic (2 harm ) of the excitation frequency by the energy delivered to the transducer assembly excitation frequency 16.
- the last column shows the same ratio for the 3rd harmonic (3 harm) of the excitation frequency.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Electromechanical Clocks (AREA)
Abstract
Description
- la figure 1 montre une vue en coupe transversale longitudinale d'une pièce d'horlogerie conçue selon l'invention, et munie d'un transducteur sonore et d'une membrane déformable agencés selon l'invention;
- la figure 2 montre, selon une vue en coupe transversale longitudinale partielle, un détail agrandi de la figure 1 montrant une première variante de réalisation selon l'invention;
- la figure 3 montre, selon une vue transversale longitudinale partielle, un détail de réalisation d'une seconde variante selon l'invention; et
- la figure 4 montre, selon une vue transversale longitudinale partielle, un détail de réalisation selon une troisième variante de l'invention.
Claims (10)
- Appareil étanche, susceptible d'être immergé dans un liquide, par exemple une montre étanche, comportant un boítier (1) incluant une chambre interne (10) communiquant avec l'extérieur, ladite chambre étant séparée de l'extérieur par une membrane déformable (17) définissant, d'un côté, une zone extérieure non étanche et, de l'autre côté, une zone interne étanche dans laquelle est logé, en association avec ladite membrane, un transducteur sonore (22), ladite membrane étant fixée par son bord périphérique (17A) dans la chambre (10) pour former une zone de fixation périphérique et appliquée élastiquement par un moyen élastique (20) vers sa périphérie, mais à distance dudit bord, contre une surface d'appui (12) ménagée dans la chamb re interne (10), caractérisé en ce qu'il comprend un moyen de blocage des vibrations (40) transmises par le transducteur sonore (22) à la membrane déformable (17), ledit moyen étant interposé entre la zone de fixation périphérique et le moyen élastique (20).
- Appareil selon la revendication 1, caractérisé en ce que le moyen de blocage des vibrations (40) est partie intégrante de la membrane déformable (17) et issu de cette dernière.
- Appareil selon la revendication 2, caractérisé en ce que le moyen de blocage des vibrations (40) est formé par une nervure périphérique (41) s'élevant à partir de la face supérieure de la membrane déformable (17).
- Appareil selon la revendication 2, caractérisé en ce que le moyen de blocage des vibrations (40) est formé par une zone de la membrane déformable (17) qui présente une densité supérieure relativement au reste de ladite membrane.
- Appareil selon la revendication 2, caractérisé en ce que le moyen de blocage des vibrations (40) est formé par une zone de la membrane déformable (17) qui présente une rigidité supérieure relativement au reste de ladite membrane.
- Appareil selon la revendication 1, caractérisé en ce que le moyen de blocage des vibrations (40) est formé par un élément distinct de la membrane déformable (17).
- Appareil selon la revendication 6, caractérisé en ce que le moyen de blocage des vibrations (40) est formé par une nervure (42) issue de la surface d'appui (12) pour mettre la membrane déformable (17) en tension.
- Appareil selon la revendication 6, caractérisé en ce que le moyen de blocage des vibrations (40) est formé par une bague rapportée venant en appui sur la membrane déformable (17) pour la plaquer contre la surface d'appui (12).
- Appareil selon la revendication 6 caractérisé en ce que le moyen de blocage des vibrations (40) est formé par une nervure (43) issue de la partie supérieure de la zone interne étanche pour venir en appui sur la membrane déformable (17) pour la plaquer contre la surface d'appui (12).
- Appareil selon l'une des revendications 1 à 9 caractérisé en ce que le moyen de blocage des vibrations (40) s'étend de manière continue ou discontinue à la périphérie de la membrane déformable (17).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99112092A EP1063632B1 (fr) | 1999-06-23 | 1999-06-23 | Appareil étanche susceptible d'être immergé et comprenant un transducteur sonore |
DE69936448T DE69936448T2 (de) | 1999-06-23 | 1999-06-23 | Wasserdichte Vorrichtung zur Verwendung unter Wasser und mit einem Schallwandler |
DK99112092T DK1063632T3 (da) | 1999-06-23 | 1999-06-23 | Vandtæt apparat, som er egnet til at være nedsænket og omfatter en lydtransducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99112092A EP1063632B1 (fr) | 1999-06-23 | 1999-06-23 | Appareil étanche susceptible d'être immergé et comprenant un transducteur sonore |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1063632A1 true EP1063632A1 (fr) | 2000-12-27 |
EP1063632B1 EP1063632B1 (fr) | 2007-07-04 |
Family
ID=8238403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99112092A Expired - Lifetime EP1063632B1 (fr) | 1999-06-23 | 1999-06-23 | Appareil étanche susceptible d'être immergé et comprenant un transducteur sonore |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1063632B1 (fr) |
DE (1) | DE69936448T2 (fr) |
DK (1) | DK1063632T3 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004066041A1 (fr) * | 2003-01-08 | 2004-08-05 | Asulab S.A. | Appareil portable etanche avec transducteur electroacoustique |
WO2005116989A1 (fr) * | 2004-05-27 | 2005-12-08 | SONITRON, Naamloze, Vennootschap | Producteur de son acoustique |
FR2880768A1 (fr) * | 2005-01-10 | 2006-07-14 | Noel Canivenq | Haut parleur aquatique a membrane |
EP2461219A1 (fr) * | 2010-12-02 | 2012-06-06 | Montres Breguet SA | Membrane de rayonnement acoustique pour une boîte à musique ou une montre à sonnerie |
CN105527819A (zh) * | 2014-10-15 | 2016-04-27 | 蒙特雷布勒盖股份有限公司 | 用于报时手表的声辐射膜装置 |
WO2016062324A1 (fr) * | 2014-10-20 | 2016-04-28 | Sonova Ag | Membrane de protection d'ouvertures d'un dispositif auditif, dispositif auditif et procédés de fabrication de membranes |
RU2738908C1 (ru) * | 2019-05-08 | 2020-12-18 | Омега Са | Корпус водонепроницаемых часов |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR840047A (fr) * | 1937-12-22 | 1939-04-18 | Csf | Perfectionnements aux émetteurs et récepteurs d'acoustique sousmarine |
US3779337A (en) * | 1972-11-27 | 1973-12-18 | W Gregory | Vibrationless speaker assembly |
DE4114180A1 (de) * | 1991-05-01 | 1992-11-05 | Microsonic Ges Fuer Mikroelekt | Ultraschallwandler |
EP0899635A1 (fr) | 1997-08-29 | 1999-03-03 | Asulab S.A. | Appareil susceptible d'être immergé et comprenant un transducteur sonore |
-
1999
- 1999-06-23 DE DE69936448T patent/DE69936448T2/de not_active Expired - Lifetime
- 1999-06-23 EP EP99112092A patent/EP1063632B1/fr not_active Expired - Lifetime
- 1999-06-23 DK DK99112092T patent/DK1063632T3/da active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR840047A (fr) * | 1937-12-22 | 1939-04-18 | Csf | Perfectionnements aux émetteurs et récepteurs d'acoustique sousmarine |
US3779337A (en) * | 1972-11-27 | 1973-12-18 | W Gregory | Vibrationless speaker assembly |
DE4114180A1 (de) * | 1991-05-01 | 1992-11-05 | Microsonic Ges Fuer Mikroelekt | Ultraschallwandler |
EP0899635A1 (fr) | 1997-08-29 | 1999-03-03 | Asulab S.A. | Appareil susceptible d'être immergé et comprenant un transducteur sonore |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7414922B2 (en) | 2003-01-08 | 2008-08-19 | Asulab S.A. | Water-resistant portable apparatus comprising an electroacoustic transducer |
WO2004066041A1 (fr) * | 2003-01-08 | 2004-08-05 | Asulab S.A. | Appareil portable etanche avec transducteur electroacoustique |
WO2005116989A1 (fr) * | 2004-05-27 | 2005-12-08 | SONITRON, Naamloze, Vennootschap | Producteur de son acoustique |
BE1016058A3 (nl) * | 2004-05-27 | 2006-02-07 | Michiels Hugo | Akoestische geluidgever. |
FR2880768A1 (fr) * | 2005-01-10 | 2006-07-14 | Noel Canivenq | Haut parleur aquatique a membrane |
WO2006075083A3 (fr) * | 2005-01-10 | 2007-02-15 | Noel Canivenq | Haut parleur aquatique a membrane |
WO2006075083A2 (fr) | 2005-01-10 | 2006-07-20 | Canivenq Noel | Haut parleur aquatique a membrane |
US8181735B2 (en) | 2005-01-10 | 2012-05-22 | Canivenq Noel | Aquatic loudspeaker having a diaphragm |
EP2461219A1 (fr) * | 2010-12-02 | 2012-06-06 | Montres Breguet SA | Membrane de rayonnement acoustique pour une boîte à musique ou une montre à sonnerie |
US8665676B2 (en) | 2010-12-02 | 2014-03-04 | Montres Breguet Sa | Acoustic radiating membrane for a music box or striking watch |
CN105527819A (zh) * | 2014-10-15 | 2016-04-27 | 蒙特雷布勒盖股份有限公司 | 用于报时手表的声辐射膜装置 |
CN105527819B (zh) * | 2014-10-15 | 2018-01-02 | 蒙特雷布勒盖股份有限公司 | 用于报时手表的声辐射膜装置 |
WO2016062324A1 (fr) * | 2014-10-20 | 2016-04-28 | Sonova Ag | Membrane de protection d'ouvertures d'un dispositif auditif, dispositif auditif et procédés de fabrication de membranes |
RU2738908C1 (ru) * | 2019-05-08 | 2020-12-18 | Омега Са | Корпус водонепроницаемых часов |
US11169488B2 (en) | 2019-05-08 | 2021-11-09 | Omega Sa | Water-resistant watch case |
Also Published As
Publication number | Publication date |
---|---|
DK1063632T3 (da) | 2007-11-05 |
DE69936448T2 (de) | 2008-03-06 |
EP1063632B1 (fr) | 2007-07-04 |
DE69936448D1 (de) | 2007-08-16 |
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