EP3049872B1 - Uhr mit geräuschpegel verbessert - Google Patents

Uhr mit geräuschpegel verbessert Download PDF

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Publication number
EP3049872B1
EP3049872B1 EP14761330.1A EP14761330A EP3049872B1 EP 3049872 B1 EP3049872 B1 EP 3049872B1 EP 14761330 A EP14761330 A EP 14761330A EP 3049872 B1 EP3049872 B1 EP 3049872B1
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EP
European Patent Office
Prior art keywords
acoustic
radiator
acoustic radiator
vibrating
timepiece
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EP14761330.1A
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English (en)
French (fr)
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EP3049872A1 (de
Inventor
Polychronis Karapatis (Nakis)
Younes Kadmiri
Davide Sarchi
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Montres Breguet SA
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Montres Breguet SA
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Priority to EP14761330.1A priority Critical patent/EP3049872B1/de
Publication of EP3049872A1 publication Critical patent/EP3049872A1/de
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    • 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 timepiece, or a musical timepiece or striking, comprising at least one vibration generator in the range of 1 kHz to 6 kHz.
  • the invention also relates to the cladding of a timepiece, or a musical timepiece or bell, bearing 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 audible soundtrack, in particular 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 236G 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 repeater) 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 answer 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 timepiece, in particular a bell or musical watch, without altering the quality of the sound emitted by the mechanism or the sound. transmitter circuit.
  • the invention also makes it possible to selectively filter a part of the noise produced by the mechanism of a timepiece, in particular a watch.
  • the invention integrates vibrating-radiating elements additional to a conventional dressing, these additional elements are sized such that the frequencies of their first eigen modes, (hereinafter referred to as radiator frequencies), are tuned to the frequencies own (hereinafter referred to as generator frequencies) of the vibration generator of the timepiece, in particular a watch, in particular of a stamp, or blades of a keyboard for improving the overall acoustic level of the timepiece , including a watch.
  • the geometries (surface, thickness, shape) of these additional elements allow the formation of radiant acoustic waves.
  • the classic clothing can be sized according to the constraints imposed by the watchmaking design, by the study of style, by the bulk of the movement, and to meet specifications such as sealing and impact resistance, and this without particular concern about the 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 radiating sound function.
  • acoustic radiators these vibrating elements
  • the invention relates to a method for improving the sound emission level of a timepiece, or a musical timepiece or striking, comprising at least one vibration generator vibrating at specific eigenfrequencies of the generator in a range of 1 kHz to 6 kHz, characterized in that a dressing or / and a movement that includes said timepiece, by the integration or the addition of at least one acoustic radiator comprising at least one vibrating-radiating element having a natural frequency of the radiator tuned with one of the natural frequencies of the generator.
  • the invention also relates to a cladding for a timepiece, or a musical timepiece or ringtone, said cladding being characterized in that it comprises at least one acoustic radiator comprising at least one vibrating-radiating element at a frequency own radiator granted with at least one of the eigenfrequencies of the generator of the timepiece.
  • the invention also relates to a timepiece which is a striking watch and / or a music box, characterized in that it comprises such a covering, and / or a carrier movement of at least one vibrating vibration generator at particular natural frequencies of the generator, said movement comprising at least one acoustic radiator comprising at least one vibrating-radiating element at a natural frequency of the radiator tuned with at least one of said natural frequencies of the generator.
  • the invention relates to the field of timepieces, and more particularly to timepieces that include transmission means sound, and more particularly the bell watches and the musical box watches, which will be called hereinafter indifferently musical watches, and it proposes to provide means for increasing the acoustic level, and the sound volume.
  • the present description relates more particularly to such musical watches.
  • Those skilled in the art will know how to use the invention, as described, for timepieces or non-musical or non-musical watches, for example in order, as the case may be, to make the user audible or a part of the sound generated by the mechanism of the watch, or conversely to filter and render inaudible the noise generated by the mechanism (by exploiting the anti-resonance phenomenon introduced by a vibratory coupling between, on the one hand acoustic radiators according to the invention and described below, and on the other hand 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 timepiece 1, or a musical timepiece or striking, comprising at least one vibration generator 2 vibrating at specific eigenfrequencies, here called “generator 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, being frequencies between 1 kHz and 6 kHz.
  • the vibration frequencies of the generator element the “generator frequencies”
  • the vibration frequencies of a radiating element which is described below, “radiator 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 specific eigenfrequencies of the generator are determined: the specific eigenfrequencies of the generator are precisely calculated (FEM simulation or the like), and the design and construction of the cladding 3 is added or added to the design and construction. or / and motion 17, and in particular, but not exclusively, outside this covering 3 and / or this movement 17, at least one radiating element which is an acoustic radiator 4.
  • This acoustic radiator 4 comprises at least one vibrating-radiating element, which vibrates at a natural frequency of the radiator which is tuned with one of the eigenfrequencies of the generator, of the vibration generator 2, with a frequency difference less than or equal to the ratio between the frequency of the eigenmode and the inverse of the quality factor of the radiating element, or with a frequency difference of less than or equal to 100 Hz.
  • the natural frequency of the radiator is tuned with one of the eigenfrequencies of the generator, with a frequency difference less than or equal to the lowest value between, on the one hand the ratio between the frequency of the mode clean and the inverse of the quality factor of the radiating element, and secondly the value of 100 Hz.
  • the term “substantially equal” depends on the width of the vibro-acoustic resonance of the radiating element, therefore of its quality factor.
  • the radiator frequency of the fundamental eigenmode of the radiating element is tuned to the frequency of the generator of a vibration mode of vibration generator 2.
  • This rule of agreement can be formulated otherwise. saying that the radiator frequency of the fundamental eigenmode of the radiating element is substantially equal to the frequency of the generator of a vibration mode of vibration generator 2, the difference between the two frequencies being less than the ratio between the frequency of the radiator radiator and the quality factor of the radiating element evaluated at the frequency of the radiator.
  • tune refers to the vibro-acoustic resonance of the radiating element, constituted by the acoustic radiator 4, when it is biased to the vibration frequency of the generation element constituted by the vibration generator 2. This term does not take into account a musical characteristic at all.
  • the quality factor Q is defined as the ratio between, on the one hand, the mechanical energy stored in a vibrating element (total of the elastic energy and the kinetic energy), and on the other hand the energy lost by damping during a complete oscillation.
  • the quality factor is also defined, equivalently, as the ratio between the frequency of the eigen mode of vibration of the vibrating element and the bandwidth of the resonance of this vibrating element.
  • the vibrating element responds (thus it begins to vibrate strongly) if an excitation is imposed to it with a frequency which is in a frequency interval around the frequency of the eigenmode of vibration: this frequency interval is the bandwidth (the width peaks in the Figures 3 and 4 ).
  • Q f / (f2-f1), f1 and f2 defining the extremes of the frequency interval.
  • the difference in frequency with respect to the frequency of the generator, on which one wants to agree, is therefore less than or equal to the ratio between the frequency of the eigenmode and the inverse of the quality factor of the radiating element.
  • the value of 100 Hz can be taken as the maximum value of this frequency difference.
  • This definition takes into account the fact that the quality factor Q of the generation element is always between 5 and 100 times higher than that of the radiating element, and it is generally between 8 and 30 for the mechanisms which concern the 'invention.
  • the radiating element resonates if it is solicited by a frequency vibration of the generator f A , which is tuned according to the above definition, or substantially equal to the watch vocabulary, at its fundamental frequency, as shown for example in FIG. the Figures 3 and 4 , where the frequency interval of response of the radiating element is of the order of 100 Hz: the difference between the frequency of the radiating element and the frequency of the generating element can therefore be 100 Hz.
  • a plurality of radiating elements in number N, is fixed to the case of the timepiece 1, in particular a watch.
  • N is the number of vibration modes of the generation element that is to be radiated, and each radiating element has a fundamental mode of vibration whose frequency is substantially equal to the frequency of one of the modes of the generation element .
  • acoustic radiators 4 formed of radiating plates are added outside the timepiece 1 box, including a shows, each of these four plates having a fundamental mode of substantially equal frequency vibration, as defined above, at one of the vibration frequencies of the tone between 1 kHz and 6 kHz.
  • a keyboard having ten blades each having a vibration mode in the frequency range between 1 kHz and 6 kHz
  • ten acoustic radiators 4 formed of radiating plates outside the box of the timepiece 1, including a watch, each of these ten plates having a fundamental mode of vibration of frequency substantially equal to one of the vibration frequencies of the keyboard blades.
  • the acoustic radiators 4 according to the invention have a radiating function if they are positioned outside the case of the timepiece 1, in particular a watch; if they are arranged inside, their function is rather to filter (reduce noise) at the frequency in question.
  • This acoustic radiator 4 and its mechanical connections to the timepiece 1 are dimensioned numerically to present a natural mode of vibration whose frequency is tuned, at less than 100 Hz, with at least one of the eigenfrequencies of the generator, and whose spatial deformation allows the generation of a radiant acoustic wave.
  • the radiating 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 natural frequency of the tuned radiator, at less than 100 Hz, with one of the frequencies of the generator of the vibration generator.
  • At least a portion of these acoustic radiators 4 are chosen with different frequencies of the radiator between them.
  • At least a portion of these acoustic radiators 4 are chosen with equal frequencies of the radiator equal to each other.
  • At a given frequency range in the range audible by the human ear and for each of the natural frequencies of the generator generated by at least one vibration generator 2, at least one such acoustic radiator 4 with a natural frequency of the radiator tuned with one of the eigenfrequencies of the generator.
  • At least one such acoustic radiator 4 is produced with a main vibrating surface 6 which is oriented in a preferential direction, in particular the main axis of the watch corresponding to the axis of pivoting of the needles, in order to promote sound diffusion towards the body. 'user, especially through the dressing 3.
  • acoustic radiators 4 should not complicate the handling of the components of the timepiece, including a watch during its assembly or maintenance. Also, preferably, and in a nonlimiting manner, at least one such acoustic radiator 4 is secured with a middle part 5 that includes the covering 3, or with a box 10 that includes the covering 3, or with a window 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 outside 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 radiant and with vibrant surfaces main 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 timepiece, in particular a 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 timepiece box, in particular a watch) 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, or a musical timepiece or ringtone, especially for a watch, and more particularly for a musical watch or bell.
  • This casing 3 carries at least one vibration generator 2 vibrating at eigenfrequencies of the particular generator.
  • the covering 3 comprises at least one acoustic radiator 4, which comprises at least one vibrating-radiating element, in particular a vibrating plate 8, which vibrates at a natural frequency of the radiator tuned with at least one of the frequencies generator.
  • 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 eigenfrequencies of the radiators different from each other.
  • the invention also relates to a timepiece 1 which is a ring-type watch and / or a music box. It comprises such a covering 3, or / and a movement 17, carrying at least one vibration generator 2 vibrating at specific frequencies of the particular generator, this covering 3 or / and this movement 17 comprising at least one acoustic radiator 4 comprising at least one vibrating-radiating element at a natural frequency of the radiator tuned with at least one of the natural frequencies of the generator 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) of the 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 are 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.
  • case 7 connections are preferably components that pass through the cladding 3 in front of openings sealed by seals.
  • 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 particular acoustic radiators 4 of different sizes, with different conditions of attachment, by one or more attachment legs 7, which naturally modifies their own frequencies of the radiators.
  • 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.
  • the acoustic radiators may 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 make it possible to increase the acoustic intensity of the timepiece, in particular a watch 1, but also to optimize the directivity of the sound.
  • 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.
  • 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 to 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 timepiece, including a watch can be optimized over a wide frequency band.
  • 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 in relation to the patent applications of the same applicant Watches Breguet SA 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 frequencies independent in the 1kHz-6kHz band, other than single resonance. So, in FR1136675A , the radiating frequency of the diaphragm coincides with the single radiating frequency of the equipment, therefore of the covering.
  • the present invention introduces the solution of acoustic radiators, which are not membranes, which allows on the contrary to add one or more additional radiation frequencies at the natural radiation frequency of the system cladding: the result, as shown in 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.
  • the characteristics of the invention constitute a novelty compared to the prior art which was intended only to improve the radiation of the elements which constitute the covering, such as the entire ice-glass case, middle case or bottom, or that to radiate directly the sound generation element.
  • the generation element is not necessarily radiating, and even advantageously remains non-radiating and physically distinct from the radiating element, which makes it possible to ensure the low rate of damping and the frequency purity of the vibration (and therefore finally of the sound), while the radiating element is carried on the cladding but is not part of the components that make up the cladding, which notably guarantee the tightness of the piece of watchmaking 1 especially in the case of a watch.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
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  • Acoustics & Sound (AREA)
  • Electric Clocks (AREA)

Claims (31)

  1. Verfahren zum Verbessern der Schallqualität eines Zeitmessgeräts (1) mit Musikfunktion oder mit Läutwerk, das mindestens einen Schwingungsgenerator (2) umfasst, der mit bestimmten Eigenfrequenzen des Generators in einem Bereich von 1 kHz bis 6 kHz schwingt, dadurch gekennzeichnet, dass eine Verkleidung (3) und/oder ein Werk (17), die/das das Zeitmessgerät (1) umfasst, verändert wird durch Integration oder Hinzufügung mindestens eines Abstrahlelements, das durch einen Schallstrahler (4) gebildet ist, der mindestens ein Schwingungsabstrahlelement mit einer Eigenfrequenz des Strahlers umfasst, die auf eine der Eigenfrequenzen des Generators abgestimmt ist, wobei ein Frequenzabstand kleiner oder gleich dem Verhältnis zwischen der Eigenschwingungsfrequenz und dem Kehrwert des Gütefaktors des Abstrahlelements ist oder wobei ein Frequenzabstand kleiner oder gleich 100 Hz ist, und dadurch gekennzeichnet, dass zur Bestimmung der Anzahl der Schallstrahler (4) die folgenden Schritte ausgeführt werden:
    - Bestimmen der Anzahl N von Schwingungsmoden des Erzeugungselements, das durch den Schwingungsgenerator (2), der strahlen soll, gebildet ist;
    - Ausstatten des Zeitmessgeräts (1) mit der Anzahl N von Abstrahlelementen, wovon jedes durch einen Schallstrahler (4) gebildet ist, der mindestens ein Schwingungsabstrahlelement umfasst, wobei jeder Schallstrahler (4) außerhalb des Gehäuses des Zeitmessgeräts (1) befestigt ist.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Strahlereigenfrequenz jedes Schallstrahlers (4) auf die Eigenfrequenz des Generators abgestimmt wird, wobei ein Frequenzabstand kleiner oder gleich dem kleinsten Wert von einerseits dem Verhältnis zwischen der Eigenschwingungsfrequenz und dem Kehrwert des Gütefaktors des Abstrahlelements, das durch den betrachteten Schallstrahler (4) gebildet ist, und andererseits von dem Wert 100 Hz ist.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass verifiziert wird, dass jeder Schallstrahler (4) als einzige Funktion die Abstrahlfunktion hat.
  4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass jeder Schallstrahler (4) in einer bestimmten Hörrichtung, für die das Zeitmessgerät (1) entworfen ist, ausgerichtet wird.
  5. Verfahren nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass jeder Schallstrahler (4) optimiert wird, um sicherzustellen, dass die Frequenz seiner Grundeigenmode im Wesentlichen auf jene einer der Schwingungseigenmoden des Schwingungsgenerators (2) abgestimmt ist, wobei ein Frequenzabstand kleiner oder gleich dem Verhältnis zwischen der Frequenz der Eigenmode und dem Kehrwert des Gütefaktors des Abstrahlelements ist oder wobei ein Frequenzabstand kleiner oder gleich 100 Hz ist.
  6. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass verifiziert wird, dass jeder Schallstrahler (4) von dem Schwingungsgenerator (2) verschieden ist.
  7. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Verkleidung (3) oder das Werk (17) durch Integration oder Hinzufügung einer Mehrzahl von Schallstrahlern (4) verändert wird.
  8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass zumindest ein Teil der Schallstrahler (4) mit voneinander verschiedenen Eigenfrequenzen des Strahlers gewählt wird.
  9. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) mit einer schwingenden Hauptoberfläche (6) hergestellt wird, die in einer bevorzugten Richtung ausgerichtet ist, um die Schallabstrahlung zu dem Benutzer zu unterstützen.
  10. Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) an einem Gehäusemittelteil (5), den die Verkleidung (3) aufweist, oder an einem Gehäuse (10), das die Verkleidung (3) aufweist, oder einer Lünette (11), die der Gehäusemittelteil (5) aufweist, oder an einer Platine (14), die das Werk (17) des Zeitmessgeräts (1) aufweist, befestigt wird.
  11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) außerhalb des Gehäusemittelteils (5) angeordnet wird.
  12. Verfahren nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) außerhalb einer Lünette (11), die der Gehäusemittelteil (5) aufweist, angeordnet wird.
  13. Verfahren nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) außerhalb eines Bodens (12), den das Gehäuse (10) aufweist, angeordnet wird.
  14. Verfahren nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) an einem oder zwei Hörnern (13), die das Gehäuse (10) aufweist, angeordnet wird.
  15. Verfahren nach einem der Ansprüche 10 bis 14, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) auf einer Platine (14), die das Werk (17) des Zeitmessgeräts (1) aufweist, angeordnet wird, wobei der Schallstrahler (4) eine Verbindungskomponente (15) aufweist, die durch das Gehäuse (10) des Zeitmessgeräts (1) verläuft.
  16. Verfahren nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) angeordnet wird, der mit seinem Element für die Befestigung an dem Zeitmessgerät (1) ein Monoblockteil bildet.
  17. Verfahren nach einem der Ansprüche 10 bis 16, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) mit dem Gehäusemittelteil (5) oder mit dem Gehäuse (10) oder mit dem Werk (17) durch eine einzige Befestigungsstrebe (7) verbunden wird, die mindestens ein schwingendes Plättchen (8) trägt, das der Schallstrahler (4) aufweist.
  18. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) hergestellt wird durch partielles Ausschneiden des Gehäusemittelteils (5) in Form eines schwingenden Plättchens (8), das mit dem Gehäusemittelteil (5) an einem einzigen Ende (9) des schwingenden Plättchens (8) verbunden ist.
  19. Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) hergestellt wird durch partielles Ausschneiden der Lünette (11) in Form eines schwingenden Plättchens (8), das mit der Lünette an einem einzigen Ende (9) des schwingenden Plättchens (8) verbunden ist.
  20. Verfahren nach Anspruch 13, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) hergestellt wird durch partielles Ausschneiden des Bodens (12) in Form eines schwingenden Plättchens (8), das mit dem Boden an einem einzigen Ende (9) des schwingenden Plättchens (8) verbunden ist.
  21. Verfahren nach einem der Ansprüche 1 bis 20, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) in Form eines schwingenden Plättchens (8) hergestellt wird, das eine in ein Parallelepiped einbeschriebene Platte (16) aufweist, deren größte Abmessung größer oder gleich 4 mm ist, deren kleinste Abmessung im Bereich von 0,05 mm bis 2 mm liegt und deren dritte Abmessung größer oder gleich 2 mm ist.
  22. Verfahren nach einem der Ansprüche 1 bis 21, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) ein schwingendes Plättchen (8) umfasst, das eine Platte (16) aufweist, deren Krümmungsradien größer als 0,5 mm sind.
  23. Verfahren nach einem der Ansprüche 1 bis 22, dadurch gekennzeichnet, dass der mindestens eine Schallstrahler (4) aus Gold oder aus einem Edelmetall oder aus Silicium oder aus Keramik oder aus Metallglas oder aus Stahl oder aus Titan hergestellt wird.
  24. Verkleidung (3) für ein Zeitmessgerät (1) mit Musikfunktion oder mit Läutwerk, wobei die Verkleidung (3) mindestens einen Schwingungsgenerator (2) trägt, der mit bestimmten Eigenfrequenzen des Generators schwingt, wobei die Verkleidung (3) mindestens einen Schallstrahler (4) umfasst, der mindestens ein Schwingungsabstrahlelement mit einer Eigenfrequenz des Strahlers umfasst, die auf mindestens eine der Eigenfrequenzen des Generators des Zeitmessgeräts (1) abgestimmt ist, wobei die Verkleidung (3) ein Gehäuse (10) aufweist, das mindestens einen Gehäusemittelteil (5) umschließt, wobei mindestens ein Schallstrahler (4) mit dem Gehäusemittelteil (5) oder mit dem Gehäuse (10) fest verbunden ist, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) mit dem Gehäusemittelteil (5) oder mit dem Gehäuse (10) durch eine einzige Befestigungsstrebe (7) verbunden ist, die mindestens ein schwingendes Plättchen (8) trägt, das der Schallstrahler (4) aufweist.
  25. Verkleidung (3) nach Anspruch 24, dadurch gekennzeichnet, dass die Verkleidung (3) mindestens einen Schallstrahler (4) außerhalb des Gehäusemittelteils (5) oder innerhalb des Gehäuses (10) aufweist.
  26. Verkleidung (3) nach einem der Ansprüche 24 oder 25, dadurch gekennzeichnet, dass die Verkleidung (3) eine Mehrzahl von Schallstrahlern (4) umfasst, wobei zumindest ein Teil dieser Schallstrahler (4) voneinander verschiedene Strahler-Eigenfrequenzen hat.
  27. Verkleidung (3) für ein Zeitmessgerät (1) mit Musikfunktion oder mit Läutwerk, wobei die Verkleidung (3) mindestens einen Schwingungsgenerator (2) trägt, der mit bestimmten Eigenfrequenzen des Generators schwingt, wobei die Verkleidung (3) mindestens einen Schallstrahler (4) umfasst, der mindestens ein Schwingungsabstrahlelement mit einer auf mindestens eine der Eigenfrequenzen des Generators des Zeitmessgeräts (1) abgestimmten Eigenfrequenz des Strahlers umfasst und wobei die Verkleidung (3) ein Gehäuse (10) umfasst, das mindestens einen Gehäusemittelteil (5) umschließt, und dass mindestens ein Schallstrahler (4) mit dem Gehäusemittelteil (5) oder mit dem Gehäuse (10) fest verbunden ist, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) mindestens ein schwingendes Plättchen (8) aufweist, das aus dem Gehäusemittelteil (5) ausgeschnitten ist, mit dem das schwingende Plättchen (8) an einem einzigen Ende (9) des schwingenden Plättchens (8) verbunden ist.
  28. Verkleidung (3) nach Anspruch 27, dadurch gekennzeichnet, dass die Verkleidung (3) mindestens einen Schallstrahler (4) außerhalb des Gehäusemittelteils (5) oder innerhalb des Gehäuses (10) umfasst.
  29. Verkleidung (3) nach Anspruch 27 oder 28, dadurch gekennzeichnet, dass mindestens ein Schallstrahler (4) mit dem Gehäusemittelteil (5) oder mit dem Gehäuse (10) durch eine einzige Befestigungsstrebe (7) verbunden ist, die mindestens ein schwingendes Plättchen (8) trägt, das der Schallstrahler (4) aufweist.
  30. Verkleidung (3) nach einem der Ansprüche 27 bis 29, dadurch gekennzeichnet, dass die Verkleidung (3) eine Mehrzahl von Schallstrahlern (4) umfasst, wobei zumindest ein Teil der Schallstrahler (4) voneinander verschiedene Strahler-Eigenfrequenzen besitzt.
  31. Zeitmessgerät (1), das eine Uhr mit Läutwerk und/oder mit Spieluhr ist, dadurch gekennzeichnet, dass es eine Verkleidung (3) nach einem der Ansprüche 24 bis 30 und/oder ein Werk (17) umfasst, das mindestens einen Schwingungsgenerator (2) trägt, der mit bestimmten Eigenfrequenzen des Generators schwingt, wobei das Werk (17) mindestens einen Schallstrahler (4) umfasst, der mindestens ein Schwingungsabstrahlelement mit einer auf mindestens eine der Eigenfrequenzen des Generators abgestimmten StrahlerEigenfrequenz umfasst.
EP14761330.1A 2013-09-26 2014-09-04 Uhr mit geräuschpegel verbessert Active EP3049872B1 (de)

Priority Applications (1)

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Applications Claiming Priority (3)

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EP13186154.4A EP2853958A1 (de) 2013-09-26 2013-09-26 Uhr mit verbesserter Akustik
EP14761330.1A EP3049872B1 (de) 2013-09-26 2014-09-04 Uhr mit geräuschpegel verbessert
PCT/EP2014/068803 WO2015043905A1 (fr) 2013-09-26 2014-09-04 Pièce d'horlogerie à niveau acoustique amélioré

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EP3049872A1 EP3049872A1 (de) 2016-08-03
EP3049872B1 true EP3049872B1 (de) 2017-08-16

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EP (2) EP2853958A1 (de)
JP (1) JP6033489B2 (de)
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WO (1) WO2015043905A1 (de)

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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
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
EP4113219B1 (de) * 2021-06-29 2025-02-12 Montres Breguet S.A. Verfahren zur frequenzabstimmung einer plattengruppe einer armbanduhr und armbanduhr mit dieser abgestimmten plattengruppe

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Also Published As

Publication number Publication date
JP2016517005A (ja) 2016-06-09
HK1218170A1 (zh) 2017-02-03
EP2853958A1 (de) 2015-04-01
WO2015043905A4 (fr) 2015-05-28
EP3049872A1 (de) 2016-08-03
CN105122150A (zh) 2015-12-02
CH708607A2 (fr) 2015-03-31
JP6033489B2 (ja) 2016-11-30
US9417611B2 (en) 2016-08-16
US20160109857A1 (en) 2016-04-21
CN105122150B (zh) 2017-08-01
WO2015043905A1 (fr) 2015-04-02

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