EP3009895B1 - Montre musicale ou à sonnerie munie d'un agencement à rayonnement acoustique - Google Patents
Montre musicale ou à sonnerie munie d'un agencement à rayonnement acoustique Download PDFInfo
- Publication number
- EP3009895B1 EP3009895B1 EP14189093.9A EP14189093A EP3009895B1 EP 3009895 B1 EP3009895 B1 EP 3009895B1 EP 14189093 A EP14189093 A EP 14189093A EP 3009895 B1 EP3009895 B1 EP 3009895B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- watch
- musical
- bezel
- case
- lateral openings
- 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.)
- Active
Links
- 230000005855 radiation Effects 0.000 claims description 40
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000005300 metallic glass Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims 7
- 238000007789 sealing Methods 0.000 claims 2
- 239000012528 membrane Substances 0.000 description 12
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 210000000707 wrist Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910001112 rose gold Inorganic materials 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910001097 yellow gold Inorganic materials 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 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
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
- G04B21/08—Sounding bodies; Whistles; Musical apparatus
-
- 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
- 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
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
-
- 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
- G04B23/00—Arrangements producing acoustic signals at preselected times
- G04B23/02—Alarm clocks
- G04B23/028—Sounding bodies; boxes used as sounding cases; fixation on or in the case
-
- 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
- G04B23/00—Arrangements producing acoustic signals at preselected times
- G04B23/02—Alarm clocks
- G04B23/12—Alarm watches to be worn in pockets or on the wrist
-
- 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
- G04B37/087—Protection of wrist or pocket watch cases against dust
-
- 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
- G04B37/088—Means affording hermetic sealing inside the case, e.g. protective case for the clockwork against dust, the escapement being in a hermetically sealed case
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/02—Constructional details
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/34—Devices on watches or similar portable timepieces
Definitions
- the invention relates to a musical watch or bell, which is provided with an acoustic radiation arrangement.
- the watch comprises a watch case, which is constituted at least of a middle and a bottom removably attached to the middle part, and at least one mirror for closing said box.
- a clockwork movement with a musical mechanism or ringing mechanism can be arranged in a space of the watch case.
- the acoustic radiation arrangement is adapted in the watch case.
- a striking mechanism may be provided for generating sound or music.
- the timbre of the bell watch or the keyboard of the musical watch are generally arranged in the watch case.
- These pieces of clothing are for example the middle part, the bezel, the ice and the bottom of the watch case. These large pieces of clothing begin to radiate sound in the air under the effect of transmitted vibrations.
- a sound is produced either by a stamp struck by a hammer or by one or more blades of the vibrating keyboard, these pieces of clothing are able to radiate the sound produced in the air.
- the watch case As part or additional element of dressing, it can still be used one or more membranes arranged in the watch case. These membranes are configured in such a way as to improve the acoustic level of the sound or music generated. Other parts of the watch can also be adapted for good sound radiation including low frequency. However, it is difficult to optimize the acoustic radiation from the bottom of the watch case, which often remains a piece of clothing almost inactive acoustically.
- the acoustic output In a musical watch or bell, the acoustic output, based on the complex vibro-acoustic transduction of the trim pieces, is generally low. To improve and increase the acoustic level perceived by the user of the bell or musical watch, the material, geometry and boundary conditions of the trim pieces must be taken into account. The configurations of these pieces of clothing are also dependent on the aesthetics of the watch and operating constraints, which may limit the possibilities of adaptation.
- the frequency content of the sound of a bell or musical watch must be rich in a frequency range between 1 kHz and 6 kHz. Traditional trim parts do not allow effective radiation in this frequency band.
- one or more membranes can be placed in the watch case.
- the membranes can be easily sized and configured for effective radiation of the generated note (s) in the watch case.
- the frequencies of the generated notes must be close to the natural modes of vibration of the membranes so that they come into resonance.
- Requirement FR2777095 discloses a striking watch, which is provided with an acoustic radiation arrangement, the watch comprising a watch case consisting of at least one middle and one bottom and an ice for closing said box, the acoustic radiation arrangement comprising a support piece, the bezel, fixed between the middle and the ice, the bottom comprising a plurality of lateral openings, and a cavity being defined between the support and connection piece and the lateral openings. But in this document the bottom is not fixed in a removable manner and the support piece is not attached to the bottom.
- the invention therefore aims to overcome the disadvantages of the state of the art mentioned above by providing a musical watch or bell, which is provided with an acoustic radiation arrangement, which improves the acoustic performance over a wide range. frequency band and to also guarantee tightness and withstand under high external pressure of the watch case.
- the invention relates to a musical or striking watch, which is provided with an acoustic radiation arrangement comprising the features defined in the independent claims 1 and 2.
- An advantage of the musical or striking watch lies in the fact that with the acoustic radiation arrangement, it is possible to integrate a cavity in the watch case also with a background ice without risk of dirt. An effective vibro-acoustic coupling is thus obtained between the cavity and a vibrating element, especially radially in the watch case and preferably in the bottom.
- the acoustic quality factor is increased by the coupling between the support and connection piece and the background ice with mechanical degrees of freedom.
- a part of the noise generated by the mechanism is reduced by the anti-resonance phenomenon created by the vibro-acoustic coupling between the cavity and the support and connection piece.
- the watch with the acoustic radiation arrangement can withstand high pressures, for example of the order of 3 bars.
- the figure 1 represents a cross-section of a musical watch or bell 1.
- This watch includes a watch case, which consists mainly of a middle 7 and a bottom 2, and at least one front glass 16 above a watch dial to close the watch case.
- the front lens 16 is attached to a bezel 17, which is connected sealingly to the upper mouth of the caseband 7.
- a watchmaker movement 10 with a musical mechanism or striking is placed in a sufficient space in the watch case .
- the watch further comprises an acoustic radiation arrangement, which can be realized in the bottom 2 of the watch case as explained below.
- this acoustic radiation arrangement comprises a support and connection piece 5, which is fixed in the bottom 2 of the box.
- This piece of support and connection 5 is disposed between a bottom window 12 and a bottom window 6.
- the support and connection piece is composed of two rigid parts 5a, 5b, which are respectively held in contact with a wall interior of the bottom window 12 and a side surface or border of the bottom window 6.
- first and second rigid portions 5a and 5b may preferably be bonded on the one hand to an inner wall of the bottom window 12 and on the other hand to the bottom window 6.
- the first rigid part 5a may also be attached to the inner wall of the bottom bezel 12 by simple friction or be screwed.
- By against the ice 6 is not glued to the bottom opening of the bottom window 12 so as to allow a vibration of the ice 6 in a piston type vibration mode.
- the support and connection piece 5 is thus fixed to the bottom window 12 and to the window 6 while ensuring a good seal of the inside of the watch case.
- the support and connection piece 5 further comprises an intermediate portion 5c, which is preferably flexible and very thin.
- This intermediate portion 5c connects the two rigid parts 5a and 5b.
- the parts 5a, 5b, 5c form a single piece made of the same material.
- the parts 5a, 5b and 5c are made separately and subsequently assembled to form the support part and connection 5.
- This flexible intermediate portion 5c allows the vibration of the bottom ice at low frequencies, if the musical or striking watch is not worn on the wrist of a user.
- the bottom window 12 further comprises several lateral openings 3 for the passage of at least one sound generated by the musical mechanism or ringing. These lateral openings 3 are preferably oriented in the plane of the watch. It can be provided for example between 2 and 8 openings as shown in FIG. figure 2 , which are regularly distributed or spaced around the periphery of the bottom window 12.
- a cavity 4 is defined between the support and connection piece 5 and the openings 3 of the bottom window 12, which define outward lines of said acoustic cavity. Since the support and connection piece 5 is preferably made in the form of a ring, the annular cavity 4 is defined all around the support piece and connection 5 facing an inner surface of the bottom window 12.
- the bottom window 12 may include a plurality of lateral openings 3 disposed on a sector of the bottom window. This sector may be smaller than or equal to half of the bottom window 12. In the case of a circular bottom bezel, the angular sector extends over a portion of the bottom bezel less than or equal to 180 °.
- the lateral openings 3 of the bottom telescope 12 can be oriented perpendicularly to the flexible intermediate part 5c, if this intermediate part is in the plane with the first rigid part 5a, or to the base plate 6.
- the thickness of the intermediate portion 5c depends on the material used for the support and connection piece 5.
- the thickness of the flexible intermediate portion 5c may be between 0.1 and 0.3 mm and preferably of the order of 0.14 mm.
- This piece of support and connection 5 can also be made of yellow or gray gold, platinum or metal glass. The more the flexible part 5c is fine, the lower the frequency of the first clean mode.
- the diameter of the support and connection piece 5 may be generally between 20 and 40 mm and corresponds approximately to the inside diameter of the bottom window 12.
- the intermediate part 5c is arranged in the same plane as the first rigid part 5a, and also parallel to the bottom plate 6.
- the first rigid part 5a is fixed on an inner edge and an inner wall of the bottom window 12 and partly in an upper portion of the cylindrical openings 3.
- the intermediate portion 5c is connected to a perpendicular portion of the second rigid portion 5b.
- the support piece and connection 5 provides a vibro-acoustic coupling between the acoustic cavity 4 and the part flexible intermediate 5c as a vibrating membrane in the shape of a circular crown.
- the intermediate portion 5c may be disposed in the same plane as the second rigid portion 5b and substantially perpendicular to the first rigid portion 5a of the support and connecting piece 5 or the bottom ice 6. It may also be provided a first portion of the intermediate portion 5c, which is disposed in the same plane as the first rigid portion 5a and a second portion, which is disposed in the same plane as the second rigid portion 5b.
- the bottom bezel 12 further comprises a fastening edge 12a for attachment to the lower part of the caseband 7 as shown in FIG. figure 1 .
- a first effect is the vibration of the bottom ice 6 according to piston-type vibration modes without deformation of said bottom ice.
- a second effect is the modulation of the volume of the acoustic cavity 4, one of whose walls is the flexible intermediate part 5c, which activates a resonance mode of said cavity 4.
- This mode of resonance of the cavity can be acoustically active with a radiation towards the outside of the watch through the openings 3, or acoustically inactive by acting as a shock absorber as a function of the frequency of the vibration.
- the actual modes of vibration and the acoustic modes which are the waves of pressure, do not coincide with the individual modes of the support and connection piece 5 and the background glass 6.
- the actual modes of vibration and the acoustic modes also do not coincide with the purely acoustic modes of the cavity 4.
- the modes Coupled with a main vibration contribution occur as sound damping modes, while modes having a main contribution of sound pressure modulation intervene as amplified radiation modes.
- FIG 4 a comparison of the frequency vibratory responses of a standard background and a vibro-acoustically coupled background with the acoustic radiation arrangement is shown.
- This acoustic radiation arrangement is optimized as described above with reference to Figures 1 to 3 .
- the support and connection piece 5 of the acoustic radiation arrangement can be made of red gold.
- the axial acceleration of the bottom ice has only two resonances.
- the frequency of the first resonance is at 8 kHz.
- the frequency of the first resonance is reduced by approximately 1 kHz to be at 7 kHz.
- the quality factor is increased with a reduced peak width, which corresponds to a significant increase in the duration of the vibration, and therefore the sound generated.
- the curve a of the vibro-acoustic coupling of the invention there is still an anti-resonance, that is to say a local minimum, which is introduced at about 15 kHz. This allows the removal of the noise components of the mechanism, which are present in this frequency range.
- the lateral openings 3 of the acoustic cavity 4 may be partially closed by membranes with small holes.
- the small holes of these membranes allow the passage of air while protecting the interior of the cavity from the accumulation of dirt.
- the materials envisaged are preferably metallic materials or metallic glasses. It may be gray, yellow or red gold for the base telescope 12, gray, yellow or red gold, platinum and metallic glasses for the support and connection piece 5.
- the acoustic radiation arrangement can also be made on the ice side 16 of the watch 1 shown in FIG. figure 1 .
- the support and connection piece is connected between the upper part of the middle part 7 or the bezel 17 and the front glass 16. Lateral openings may also be provided between the caseband 7 or the bezel 17 and the piece of support and connection 5.
- An annular cavity 4 is formed between the support and connection piece and the openings of the middle part 7 or the bezel 17.
- a first rigid part 5a can be fixed to an inner wall of the middle part or the bezel, while a second rigid portion 5b can be attached to a side or edge surface of the lens 16.
- the intermediate portion 5c can be configured and arranged with respect to the rigid portions 5a and 5b as specified with reference to the Figures 1 to 3 .
- the lateral openings 3 of the middle part 7 or the bezel 17 can also be distributed over a sector of the middle part 7 or of the telescope 17. This sector may be smaller than or equal to half the circumference of the caseband 7 or the bezel 17.
- the lateral openings 3 of the caseband 7 or the bezel 17 may be oriented perpendicularly to the ice 16.
- An acoustic radiation arrangement may be provided on the bottom side of the watch case and the front ice side of the watch.
- the lateral openings may be of different dimensions and of different shape from the cylindrical shape.
- the flexible intermediate portion, which is annular may have a corrugation.
- the support and connection piece can be obtained by molding or stamping a preform.
- One or more acoustic membranes may still be provided between the musical or striking mechanism and the acoustic radiation arrangement.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14189093.9A EP3009895B1 (fr) | 2014-10-15 | 2014-10-15 | Montre musicale ou à sonnerie munie d'un agencement à rayonnement acoustique |
US14/856,771 US9360843B2 (en) | 2014-10-15 | 2015-09-17 | Musical or striking watch provided with an acoustic radiation arrangement |
JP2015199199A JP6067815B2 (ja) | 2014-10-15 | 2015-10-07 | 音響放射構造を備えるミュージカル腕時計又は時報腕時計 |
CN201510660842.4A CN105527816B (zh) | 2014-10-15 | 2015-10-14 | 设置有声辐射装置的音乐或报时手表 |
HK16112247.8A HK1224026A1 (zh) | 2014-10-15 | 2016-10-25 | 設置有聲輻射裝置的音樂或報時手錶 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14189093.9A EP3009895B1 (fr) | 2014-10-15 | 2014-10-15 | Montre musicale ou à sonnerie munie d'un agencement à rayonnement acoustique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3009895A1 EP3009895A1 (fr) | 2016-04-20 |
EP3009895B1 true EP3009895B1 (fr) | 2017-06-28 |
Family
ID=51690980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14189093.9A Active EP3009895B1 (fr) | 2014-10-15 | 2014-10-15 | Montre musicale ou à sonnerie munie d'un agencement à rayonnement acoustique |
Country Status (5)
Country | Link |
---|---|
US (1) | US9360843B2 (zh) |
EP (1) | EP3009895B1 (zh) |
JP (1) | JP6067815B2 (zh) |
CN (1) | CN105527816B (zh) |
HK (1) | HK1224026A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3696618A1 (fr) | 2019-02-14 | 2020-08-19 | Montres Breguet S.A. | Montre a sonnerie ou musicale avec agencement pour guider des ondes acoustiques |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH710166B1 (fr) * | 2014-10-15 | 2018-12-14 | Montres Breguet Sa | Agencement à membranes de rayonnement acoustique pour une montre musicale ou à sonnerie. |
US10067475B2 (en) * | 2016-01-27 | 2018-09-04 | Seiko Instruments Inc. | Timepiece |
CH714635A1 (fr) * | 2018-02-09 | 2019-08-15 | Mft Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S A | Pièce d'horlogerie à sonnerie. |
EP3537229B1 (fr) * | 2018-03-05 | 2024-04-24 | Montres Breguet S.A. | Boîte de montre musicale |
EP3644132B1 (fr) * | 2018-10-26 | 2022-06-08 | Blancpain SA | Montre a sonnerie ou musicale munie d'au moins une membrane de rayonnement acoustique, et procédé de fabrication de la membrane |
EP4332690A1 (fr) | 2022-09-02 | 2024-03-06 | Manufacture d'Horlogerie Audemars Piguet SA | Boite de montre pour montre-bracelet à mécanisme musical ou à sonnerie comportant un fond à couvercle |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2786326A (en) * | 1951-07-05 | 1957-03-26 | Junghans Geb Ag | Alarm timepiece sounding device |
CH1127360A4 (zh) * | 1960-10-07 | 1963-11-15 | ||
JPS52151065U (zh) * | 1976-05-12 | 1977-11-16 | ||
JPS5435777A (en) * | 1977-08-25 | 1979-03-16 | Seiko Epson Corp | Alarm watch |
JPS56149096A (en) * | 1980-04-22 | 1981-11-18 | Seiko Instr & Electronics | Electromagnetic buzzer |
US4374624A (en) * | 1980-09-08 | 1983-02-22 | Citizen Watch Co., Ltd. | Sound emitting device for electronic timepiece |
CH691334A5 (fr) * | 1997-08-28 | 2001-06-29 | Asulab Sa | Appareillage susceptible d'être immergé et comprenant un transducteur sonore. |
US5867452A (en) * | 1997-10-17 | 1999-02-02 | E. Gluck Corp. | Watch with invisible speaker |
FR2777095A1 (fr) * | 1998-04-02 | 1999-10-08 | Christophe Claret Sa | Montre sonore |
JP5206233B2 (ja) * | 2007-09-05 | 2013-06-12 | セイコーエプソン株式会社 | 時計および携帯機器 |
EP2738625B1 (fr) * | 2009-03-19 | 2015-08-12 | Rolex Sa | Boîte de montre comportant un soufflet métallique |
EP2367078B1 (fr) * | 2010-03-16 | 2018-08-15 | Montres Breguet SA | Montre à sonnerie munie d'une membrane acoustique |
CH702840B1 (fr) * | 2010-03-16 | 2014-09-30 | Montres Breguet Sa | Ensemble glace-lunette d'habillage pour pièce d'horlogerie et procédé d'assemblage. |
CH704183A2 (fr) * | 2010-12-02 | 2012-06-15 | Montres Breguet Sa | Membrane de rayonnement acoustique pour une boite a musique ou une montre a sonnerie. |
EP2503417B1 (fr) * | 2011-03-22 | 2016-03-16 | Montres Breguet SA | Membrane amovible de rayonnement acoustique pour une montre musicale ou à sonnerie, et montre la comprenant |
EP2672331B1 (fr) * | 2012-06-06 | 2017-11-15 | Omega SA | Boîte de pièce d'horlogerie comprenant un élément d'habillage à fixation ameliorée |
-
2014
- 2014-10-15 EP EP14189093.9A patent/EP3009895B1/fr active Active
-
2015
- 2015-09-17 US US14/856,771 patent/US9360843B2/en active Active
- 2015-10-07 JP JP2015199199A patent/JP6067815B2/ja active Active
- 2015-10-14 CN CN201510660842.4A patent/CN105527816B/zh active Active
-
2016
- 2016-10-25 HK HK16112247.8A patent/HK1224026A1/zh unknown
Non-Patent Citations (1)
Title |
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None * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3696618A1 (fr) | 2019-02-14 | 2020-08-19 | Montres Breguet S.A. | Montre a sonnerie ou musicale avec agencement pour guider des ondes acoustiques |
US11320788B2 (en) | 2019-02-14 | 2022-05-03 | Montres Breguet S.A. | Striking or musical watch with an acoustic waveguide arrangement |
Also Published As
Publication number | Publication date |
---|---|
US9360843B2 (en) | 2016-06-07 |
EP3009895A1 (fr) | 2016-04-20 |
CN105527816A (zh) | 2016-04-27 |
HK1224026A1 (zh) | 2017-08-11 |
CN105527816B (zh) | 2018-03-02 |
JP2016080701A (ja) | 2016-05-16 |
US20160109855A1 (en) | 2016-04-21 |
JP6067815B2 (ja) | 2017-01-25 |
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