EP2853958A1 - Uhr mit verbesserter Akustik - Google Patents

Uhr mit verbesserter Akustik Download PDF

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Publication number
EP2853958A1
EP2853958A1 EP13186154.4A EP13186154A EP2853958A1 EP 2853958 A1 EP2853958 A1 EP 2853958A1 EP 13186154 A EP13186154 A EP 13186154A EP 2853958 A1 EP2853958 A1 EP 2853958A1
Authority
EP
European Patent Office
Prior art keywords
acoustic
acoustic radiator
vibrating
timepiece
radiator
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.)
Withdrawn
Application number
EP13186154.4A
Other languages
English (en)
French (fr)
Inventor
Polychronis Karapatis (Nakis)
Younes Kadmiri
Davide Sarchi
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.)
Montres Breguet SA
Original Assignee
Montres Breguet SA
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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to CH01647/13A priority Critical patent/CH708607A2/fr
Priority to EP13186154.4A priority patent/EP2853958A1/de
Priority to CN201480022453.2A priority patent/CN105122150B/zh
Priority to EP14761330.1A priority patent/EP3049872B1/de
Priority to JP2016503690A priority patent/JP6033489B2/ja
Priority to US14/895,388 priority patent/US9417611B2/en
Priority to PCT/EP2014/068803 priority patent/WO2015043905A1/fr
Publication of EP2853958A1 publication Critical patent/EP2853958A1/de
Priority to HK16106172.9A priority patent/HK1218170A1/zh
Withdrawn legal-status Critical Current

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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
    • G04B37/0075—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
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times

Definitions

  • the invention relates to a method for improving the acoustic level of a musical timepiece or bell with at least one vibration generator in a range of 1 kHz to 6 kHz.
  • the invention also relates to the cladding of a musical timepiece or ringtone carrier of at least one vibration generator.
  • the invention also relates to a timepiece which is a watch with a bell or / and a music box.
  • the invention relates to the field of timepieces, and more particularly to timepieces comprising means for generating vibrations in the soundtrack, especially ringing watches and watches with a music box.
  • Boxes or cases with chambers of resonance are known on which are mounted the organs of sound production, stamps or keyboards, as in the document FR 2 777 095 A1 in the name of CHRISTOPHE CLARET SA, with, in certain variants, membranes placed in contact with the walls of such resonance chambers, which chambers consume a large part of the internal volume available in the box or middle part.
  • Requirement CH 645 236 G in the name of BOUILLE describes a box with peripheral fins for mechanical fasteners: because of this specific function, they have increased mechanical rigidity. Their geometric shapes, their fixations and their orientations are well defined and ineffective acoustically, and these fins could not act as external sound resonators.
  • Acoustic generators are still known where the sounds are produced by a membrane that vibrates an elastic blade, and whose vibrations are maintained by an electromagnetic transducer, as in the documents CH 497 760 and CH 497 017 in the name of SPADINI, which have a large footprint and require an electrical circuit.
  • the dressing of the watch To improve the acoustic level of a bell watch, it is necessary to optimize the elements that constitute the dressing of the watch, so that it radiates the frequencies generated by the ring system, that is to say say in general the natural frequencies of the blades of a keyboard, or the natural frequencies of a timbre of a minute repetition.
  • the dressing To obtain a rich sound (in the case of a minute repetition) or a sound of uniform intensity whatever the notes played (in the case of a watch type music box), the dressing must be able to respond to a wide band of frequencies between 1 kHz and 6 kHz, which are the frequencies for which the perception of the human ear is optimal.
  • the dressing of a watch has mainly modes at high frequencies.
  • the cladding filters more than it radiates them, the frequencies of the ringing or the melody.
  • the invention proposes to provide an improvement in the acoustic level and the richness of the sound and the melodies played by a bell or musical watch, without altering the quality of the sound emitted by the mechanism or the transmitter circuit.
  • the invention also makes it possible to selectively filter a part of the noise produced by the mechanism of a watch.
  • the invention integrates vibrating-radiating elements additional to a conventional dressing, these additional elements are dimensioned such that the frequencies of their first eigen modes, (hereinafter referred to as “secondary” frequencies), are tuned to Eigenfrequencies (hereinafter referred to as "primary” frequencies) of the watch's vibration generator, in particular a timbre, or the blades of a keyboard to improve the overall acoustic level of the watch.
  • secondary frequencies the frequencies of their first eigen modes
  • primary frequencies hereinafter referred to as "primary” frequencies
  • the geometries (surface, thickness, shape) of these additional elements allow the formation of radiant acoustic waves.
  • the conventional clothing can be sized according to the constraints imposed by the watch design, the study of style, the size of the movement, and to meet specifications such as sealing and impact resistance, and this without worrying particularly radiating power of this dressing, which is improved, according to the invention, by the addition of these vibrating elements (hereinafter referred to as "acoustic radiators"), dimensionally optimized for the sole function of sound radiation.
  • acoustic radiators these vibrating elements
  • the invention relates to a method for improving the sound emission level of a musical timepiece or bell with at least one vibration generator vibrating at particular primary eigenfrequencies in a range of 1 kHz at 6 kHz, characterized in that a covering or / and a movement that comprises said timepiece is modified by integrating or adding at least one acoustic radiator comprising at least one vibrating-radiating element having a secondary natural frequency tuned with at least one of the primary natural frequencies of the vibration generator.
  • the invention also relates to a cladding for a musical timepiece or to a bell, said cladding being characterized in that it comprises at least one acoustic radiator comprising at least one vibrating-radiating element at a secondary natural frequency tuned with at least l one of the primary natural frequencies of the vibration generator of the timepiece.
  • the invention also relates to a timepiece which is a ring or / and music box watch, characterized in that it comprises such a covering, and / or a carrier movement of at least one vibrating vibration generator at particular primary natural frequencies, said movement comprising at least one acoustic radiator having at least one vibrating-radiating element at a secondary natural frequency tuned with at least one of said primary natural frequencies of said vibration generator.
  • the invention relates to the field of timepieces, and more particularly to those which comprise means of sound emission, and more particularly the ringing watches and the musical box watches, which will be called hereinafter indifferently musical watches, and it proposes to provide means to increase the acoustic level, and the sound volume.
  • the present description relates to such watches.
  • the person skilled in the art will know how to extrapolate it to non-musical or non-musical watches, for example in order, as the case may be, to make the user audible all or part of the sound generated by the mechanism of the watch, or to the opposite of filtering and making inaudible the noise generated by the mechanism (by exploiting the phenomenon of anti-resonance introduced by a vibratory coupling between, on the one hand acoustic radiators according to the invention and described below, and the rest of the dressing of the watch).
  • the invention relates to an improvement relating both to the design of musical watches, and to the modification of existing musical watches, for the optimization of their acoustic level.
  • the invention relates to a method for improving the sound emission level of a musical timepiece 1 comprising at least one vibration generator 2 vibrating at particular primary eigenfrequencies.
  • This vibration generator 2 may comprise a tone, a keyboard, a membrane, a sound box, or the like, vibrating at specific natural frequencies in the acoustically effective band between 1 kHz and 6 kHz. These frequencies are hereinafter referred to as "primary" frequencies.
  • This vibration generator 2 is carried by a covering 3 of the timepiece 1 or by a movement 17 of this timepiece 1.
  • the particular primary eigenfrequencies are determined: the particular primary eigenfrequencies are precisely calculated (FEM simulation), and the design and construction of the cladding 3 or / and movement 17, and in particular but not limited to outside of this covering 3 and / or of this movement 17, at least one acoustic radiator 4 comprising at least one vibrating-radiating element, which vibrates at a secondary frequency tuned, unless 100 Hz, with at least one of the primary natural frequencies of the vibration generator 2.
  • the acoustic radiators 4 according to the invention have a radiation function if they are positioned outside the watch case; if they are arranged inside, their function is rather to filter (reduce noise) at this frequency.
  • This acoustic radiator 4 and its mechanical connections to the timepiece 1 are dimensioned numerically to present their own mode.
  • vibration frequency whose frequency is tuned, at less than 100 Hz, with at least one of the primary eigenfrequencies, and whose spatial deformation allows the generation of a radiant acoustic wave.
  • the radiation conditions of the structures are presented for example in the book [ C. Lesueur, "Acoustic radiation of structures: vibroacoustics, fluid-structure interactions", Editions Eyrolles, 1988 ].
  • the cladding 3 and / or the movement 17 is modified by integrating or adding a plurality of such acoustic radiators 4, each introducing a tuned secondary natural frequency, at less than 100 Hz, with minus one of the primary frequencies of the vibration generator.
  • At least a portion of these acoustic radiators 4 are chosen with secondary frequencies that are different from each other.
  • At least a portion of these acoustic radiators 4 are chosen with secondary eigenfrequencies equal to each other.
  • At least one such acoustic radiator 4 with a frequency secondary natural frequency tuned with each of the primary natural frequencies in a given frequency range in the range audible by the human ear, and for each of the primary natural frequencies generated by at least one vibration generator 2, at least one such acoustic radiator 4 with a frequency secondary natural frequency tuned with each of the primary natural frequencies.
  • At least one acoustic radiator 4 is produced with a main vibrating surface 6 which is oriented in a preferential direction to promote sound diffusion towards the user, in particular through the cladding 3.
  • acoustic radiators 4 must not complicate the handling of the components of the watch during assembly or maintenance. Also, preferably, and in a nonlimiting manner, at least one such acoustic radiator 4 is secured with a caseband 5 that comprises the covering 3, or with a box 10 that includes the casing 3, or with a bezel 11 that carries such a caseband 5, or with a plate 14 that includes the timepiece 1.
  • at least one such acoustic radiator 4 is arranged at the outside of the middle part 5, or inside the box 10, so that these acoustic radiators 4 are not in direct contact with the user.
  • each acoustic radiator 4 is connected to the middle part 5 or to the box 10 by an attachment leg 7, preferably a single one, carrying at least one vibrating blade 8 the acoustic radiator 4.
  • the Figure 1B shows vibrating blades 8 connected by one or two attachment legs 7 to the middle part 5.
  • the Figure 2A shows an embodiment of the invention wherein four acoustic radiators 4 are composed by four rectangular blades 8 fixed to the box 10 of the timepiece 1, each being linked by such an attachment leg 7, these blades 8 being substantially radiating and with main vibrating surfaces 6 substantially coplanar.
  • the radiators 4 are free to vibrate according to their first mode of vibration and to create a radiant acoustic wave which propagates in the direction of the axis of the watch 1.
  • At least one such acoustic radiator 4 by a partial cut of the middle part 5 (or of the bezel 11, or of another component of the watch case) in the form of a vibrating blade 8 connected to the middle part 5 by a single end 9 of the vibrating blade 8, as visible on the Figure 1A .
  • At least one acoustic radiator 4 is produced by a partial cut of the telescope 11, in the form of a vibrating blade 8 connected to the telescope 11 by a single end 9 of the vibrating blade 8.
  • At least one such acoustic radiator 4 is produced by a partial cutout of the bottom 12, in the form of a vibrating blade 8 connected to the bottom 12 by a single end 9 of the vibrating blade 8.
  • the invention also relates to a cladding 3 for a timepiece 1, especially for a watch, and more particularly for a musical or striking watch.
  • This covering 3 carries at least one vibration generator 2 vibrating at particular primary eigenfrequencies.
  • the covering 3 comprises at least one acoustic radiator 4, which comprises at least one vibrating-radiating element, in particular a blade vibrating 8, which vibrates at a secondary natural frequency tuned with at least one of the primary natural frequencies.
  • the covering 3 preferably comprises a box 10 enclosing at least one middle part 5, and at least one such acoustic radiator 4 is secured to the caseband 5 or to the box 10.
  • the covering 3 comprises at least one such acoustic radiator 4 outside the middle part 5, or inside the box 10.
  • At least one such acoustic radiator 4 is connected to the middle part 5 or to the box 10 by a fastening leg 7, in particular a single one, carrying at least one vibrating plate 8 that comprises the acoustic radiator 4.
  • At least one such acoustic radiator 4 comprises at least one vibrating blade 8 cut in the middle part 5 to which the vibrating blade 8 is connected by a single end 9 of the vibrating blade 8.
  • the covering 3 comprises a plurality of such acoustic radiators 4, at least part of which of these acoustic radiators 4 have secondary frequencies different from each other.
  • the invention also relates to a timepiece 1 which is a ring-type watch and / or a music box. It has such a skin 3, or / and a movement 17, carrying at least one vibration generator 2 vibrating at particular primary eigenfrequencies, this covering 3 and / or this movement 17 comprising at least one acoustic radiator 4 comprising at least one vibrating-radiating element at a secondary natural frequency granted with at least one of the primary natural frequencies of the vibration generator 2.
  • vibrating blades 8 including additional plates, illustrated here of non-limiting rectangular shape, are screwed or welded or driven or fixed by any method for transmitting the acoustic vibration, to one or more elements of the dressing such as horns 13, the bars, the middle part 5, the bezel 11, the bottom 12 of the box 10, or even the links of the bracelet.
  • additional plates vibrate and radiate at the frequencies of their own modes when the ringing is triggered, or for a sound display, or simply permanently to ensure, selectively, either the amplification (resonance) or the filtering (anti-resonance) noise emitted by a mechanism in operation.
  • These vibrating elements play the role of the radiating plates constituting the acoustic radiators 4.
  • the acoustic radiators 4 can be fixed on the movement 17 of the timepiece 1, for example on the plate 14 of this movement 17, instead of being fixed on the covering 3.
  • the connections 7 are preferably components that pass through the cladding 3 opposite openings made leakproof by joints.
  • the acoustic radiators 4 and their connecting elements 7 constitute one-piece pieces.
  • at least one acoustic radiator 4 is thus made with a structural component or cladding, at a pre-assembly, which facilitates the final assembly of the timepiece 1.
  • the shape of these acoustic radiators 4, the fixing conditions and the materials used define the natural frequencies of these elements that are tuned to the natural frequencies of the ringing system (stamps or blades of a keyboard in particular) or the mechanism.
  • the Figures 1A and 1B represent these acoustic radiators 4 fixed for example on the middle part 5.
  • the Figure 1B illustrates in particular acoustic radiators 4 of different sizes, with different attachment conditions, by one or more attachment legs 7, which naturally modifies their secondary eigenfrequencies.
  • the Figure 2A shows a second embodiment of the invention.
  • FIGS. 2B and 2C illustrate two variants, the first with acoustic radiators 4 only external to the box, the second with external acoustic radiators 4 and internal to the box.
  • At least one acoustic radiator 4 consists of a plate 8 whose shape is close to that of a ring or a spherical cap and whose connecting element 7 is fixed to center of this plate 8.
  • Acoustic radiators can be made of gold, or other precious metal, such as platinum or platinoids, or an alloy of one or more of these precious metals.
  • they can be made of steel.
  • they can be made of titanium or titanium alloy.
  • they may be made of silicon or silicon dioxide, or polycrystalline diamond.
  • they may be made of metal glass, or in an at least partially amorphous alloy.
  • they can be made of ceramic.
  • the acoustic radiators 4 are made in the form of a vibrating blade 8 comprising a plate 16 inscribed in a parallelepiped whose largest dimension is greater than or equal to 4 mm, the smallest dimension is between 0.05 mm and 2 mm. mm, and whose third dimension is greater than or equal to 2 mm.
  • an acoustic radiator 4 comprises a vibrating plate 8 itself comprising at least one plate whose radii of curvature are greater than 0.5 mm.
  • the acoustic radiators 4 not only increase the acoustic intensity of the watch 1 but also optimize the directivity of the sound. Indeed, the vibrating surface, or at least one main vibrating surface 6, can be oriented so that the radiation is maximum in a particular desired direction. In an embodiment comprising several acoustic radiators 4, it is also possible to define a specific directivity for each note produced, thus generating a stereophonic effect.
  • a vibro-acoustic model has been developed, in the context of the invention, to correctly size the acoustic radiators 4 and to predict the acoustic gain provided by these vibrating elements.
  • the acoustic radiators 4 have been optimized so that their first eigen modes have a frequency of 1350 Hz.
  • a harmonic excitation scanning frequencies between 1000 Hz and 3200 Hz is applied on the skin 3.
  • This figure 3 represents the acoustic level of a cladding 3 composed of a caseband 5 and a bezel 11 with ice, respectively without acoustic radiators (in solid lines) and with acoustic radiators 4 according to the invention (in broken lines) according to the frequency of the excitation imposed on him.
  • the acoustic level increases at a frequency higher than 3 kHz which corresponds to a frequency of one of the eigen modes of the skin 3.
  • the acoustic level increases considerably at the frequency of the first eigen mode of the radiator (at 1350 Hz).
  • the gain is 10 to 15 dB.
  • the coupling between the acoustic radiators 4 and the cladding 3 appears at 1900 Hz, which also generates an improvement in the acoustic level.
  • the coupling between the acoustic radiators 4 and the vibration modes of the cladding 3 also introduces two anti-resonances at 1450 Hz and 2150 Hz, which also makes it possible to reduce the noise emission in the rest of the band compared to the case without radiators, so to filter the parasitic noises produced by the mechanism.
  • the acoustic level of a cladding 3 with acoustic radiators 4 (in broken lines) having a first mode specific to 2210 Hz is compared to that of the same cladding 3 without radiators (in solid line).
  • the acoustic radiators 4 bring a strong acoustic improvement to the frequency of their first modes.
  • acoustic radiators 4 can be sized for each of the frequencies generated by the sound system, ringing, waking, music, or other.
  • the sound produced by the watch can be optimized over a wide band of frequencies.
  • a specific dimensioning of the radiators also makes it possible to filter the parasitic noise of the mechanism.
  • the invention makes it possible to improve the acoustic performance, not only with respect to the patent applications of the same applicant mentioned above, but also with respect to the document FR1136675A Junghans also cited above, which together represent the most powerful mechanisms up to the invention: the achievements of the prior art have always encountered the difficulty of radiating a system (for example a clock) at several independent frequencies in the 1kHz-6kHz band, other than a single resonance. So, in FR1136675A , the radiation frequency of the membrane coincides with the only frequency of radiation of the equipment, therefore the dressing.
  • the present invention introduces the solution of acoustic radiators, which are not membranes, which on the contrary makes it possible to add one or more additional radiation frequencies to the natural radiation frequency of the system cladding: the result, as shown in the Figures 3 and 4 is that the frequencies of the acoustic radiators 4 are added to the frequency of the cladding 3, without destroying or replacing it, whereas in the prior art a single resonance is visible, that of the system with the membrane.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Electric Clocks (AREA)
EP13186154.4A 2013-09-26 2013-09-26 Uhr mit verbesserter Akustik Withdrawn EP2853958A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH01647/13A CH708607A2 (fr) 2013-09-26 2013-09-26 Pièce d'horlogerie musicale ou à sonnerie.
EP13186154.4A EP2853958A1 (de) 2013-09-26 2013-09-26 Uhr mit verbesserter Akustik
CN201480022453.2A CN105122150B (zh) 2013-09-26 2014-09-04 声级提高的钟表
EP14761330.1A EP3049872B1 (de) 2013-09-26 2014-09-04 Uhr mit geräuschpegel verbessert
JP2016503690A JP6033489B2 (ja) 2013-09-26 2014-09-04 音量が改善された時計
US14/895,388 US9417611B2 (en) 2013-09-26 2014-09-04 Timepiece with improved sound level
PCT/EP2014/068803 WO2015043905A1 (fr) 2013-09-26 2014-09-04 Pièce d'horlogerie à niveau acoustique amélioré
HK16106172.9A HK1218170A1 (zh) 2013-09-26 2016-05-31 聲級提高的鐘錶

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13186154.4A EP2853958A1 (de) 2013-09-26 2013-09-26 Uhr mit verbesserter Akustik

Publications (1)

Publication Number Publication Date
EP2853958A1 true EP2853958A1 (de) 2015-04-01

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ID=49231365

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13186154.4A Withdrawn EP2853958A1 (de) 2013-09-26 2013-09-26 Uhr mit verbesserter Akustik
EP14761330.1A Active EP3049872B1 (de) 2013-09-26 2014-09-04 Uhr mit geräuschpegel verbessert

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP14761330.1A Active EP3049872B1 (de) 2013-09-26 2014-09-04 Uhr mit geräuschpegel verbessert

Country Status (7)

Country Link
US (1) US9417611B2 (de)
EP (2) EP2853958A1 (de)
JP (1) JP6033489B2 (de)
CN (1) CN105122150B (de)
CH (1) CH708607A2 (de)
HK (1) HK1218170A1 (de)
WO (1) WO2015043905A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3163380A1 (de) * 2015-10-27 2017-05-03 Blancpain SA. Armbanduhr mit verbesserter dichtigkeit
EP3537229B1 (de) * 2018-03-05 2024-04-24 Montres Breguet S.A. Gehäuse für spieluhr

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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.
KR102472146B1 (ko) * 2018-03-28 2022-11-28 주식회사 엘지화학 전해용 전극의 제조방법 및 이를 사용하여 제조된 전해용 전극
EP4012511B1 (de) * 2020-12-11 2023-08-23 Montres Breguet S.A. Verfahren zum harmonischen stimmen mindestens eines klangs eines schlagwerkmechanismus einer armbanduhr

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CH497017A (fr) 1968-06-17 1970-09-30 Paolo Spadini Ind Générateur acoustique miniature
CH497760A (fr) 1968-06-17 1970-10-15 Spadini Paolo Générateur acoustique
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FR2777095A1 (fr) 1998-04-02 1999-10-08 Christophe Claret Sa Montre sonore
EP2034376A1 (de) * 2007-09-10 2009-03-11 Daniel Roth et Gerald Genta Haute Horlogerie SA Armbanduhrgehäuse
EP2367078A1 (de) * 2010-03-16 2011-09-21 Montres Breguet SA Uhr mit Schlagwerk, das mit einer Schallmembran ausgestattet ist
EP2461219A1 (de) 2010-12-02 2012-06-06 Montres Breguet SA Schallabstrahlungsmembran für eine Spieluhr oder eine Armbanduhr mit Schlagwerk
EP2367079B1 (de) 2010-03-16 2013-01-16 Montres Breguet SA Baugruppe mit Glas und Glasreif für Uhren und Verfahren zum Zusammenbau

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EP2461220B1 (de) 2010-12-02 2019-11-06 Montres Breguet SA Schallabstrahlungsmembran für eine Spieluhr oder eine Armbanduhr mit Schlagwerk
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1136675A (fr) 1955-12-07 1957-05-16 Junghans Geb Ag Horloge à sonnerie et membrane de diffusion couplée avec le générateur de son
CH497017A (fr) 1968-06-17 1970-09-30 Paolo Spadini Ind Générateur acoustique miniature
CH497760A (fr) 1968-06-17 1970-10-15 Spadini Paolo Générateur acoustique
US4216650A (en) * 1976-09-07 1980-08-12 Kabushiki Kaisha Daini Seikosha Alarm wristwatch
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EP3163380A1 (de) * 2015-10-27 2017-05-03 Blancpain SA. Armbanduhr mit verbesserter dichtigkeit
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TWI703418B (zh) * 2015-10-27 2020-09-01 瑞士商布萊克班股份有限公司 具有改良的密封性之錶
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EP3049872B1 (de) 2017-08-16
CN105122150A (zh) 2015-12-02
HK1218170A1 (zh) 2017-02-03
EP3049872A1 (de) 2016-08-03
JP2016517005A (ja) 2016-06-09
US9417611B2 (en) 2016-08-16
US20160109857A1 (en) 2016-04-21
CH708607A2 (fr) 2015-03-31
CN105122150B (zh) 2017-08-01
WO2015043905A4 (fr) 2015-05-28
JP6033489B2 (ja) 2016-11-30
WO2015043905A1 (fr) 2015-04-02

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