EP2293156A1 - Mechanical digital display - Google Patents

Mechanical digital display Download PDF

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Publication number
EP2293156A1
EP2293156A1 EP09290681A EP09290681A EP2293156A1 EP 2293156 A1 EP2293156 A1 EP 2293156A1 EP 09290681 A EP09290681 A EP 09290681A EP 09290681 A EP09290681 A EP 09290681A EP 2293156 A1 EP2293156 A1 EP 2293156A1
Authority
EP
European Patent Office
Prior art keywords
pattern
segments
display according
segment
predetermined direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09290681A
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German (de)
French (fr)
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EP2293156B1 (en
Inventor
Elisabeth Laurence Lanoiselée
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.)
Celsius X VI II
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Celsius X VI II
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Publication date
Application filed by Celsius X VI II filed Critical Celsius X VI II
Priority to EP09290681A priority Critical patent/EP2293156B1/en
Priority to AT09290681T priority patent/ATE545072T1/en
Priority to PCT/IB2010/002217 priority patent/WO2011030202A1/en
Publication of EP2293156A1 publication Critical patent/EP2293156A1/en
Application granted granted Critical
Publication of EP2293156B1 publication Critical patent/EP2293156B1/en
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Anticipated expiration legal-status Critical

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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
    • G04B19/00—Indicating the time by visual 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs

Definitions

  • the invention relates to a digital (digital) mechanical display, in particular for a timepiece, such as a wristwatch or a pocket watch, with mechanical or electromechanical movement.
  • the hours and minutes are displayed analogically by respective hands rotated over a dial by the movement of the watch.
  • the document CH 150 975 describes such a device for displaying hours and minutes and a variant using endless bands.
  • the document WO 2007/048487 describes a mechanical digital drum display for displaying hours and minutes.
  • the display according to US 4,017,154 comprises seven segments arranged according to the traditional configuration at 8 but individually movable in rotation around their center between their normal position where they are visible and another position where, by a polarization system of the light, they are invisible.
  • the display of a given digit is thus done by turning the segments that do not participate in the display of the figure to make them invisible.
  • the display according to EP 1,906,266 has seven segments individually movable in rotation about their longitudinal axis. Each segment can thus be turned on itself to make alternately visible two opposite faces having different appearances. Each segment participates in the display when one of these faces is visible and does not participate in the display when the other face is visible.
  • the display according to CH 568 600 has fixed segments each associated with a movable mask that can occupy a position where it hides the corresponding segment and a position where it leaves the corresponding segment visible.
  • the present invention aims at providing a mechanical digital segment display that overcomes the aforementioned drawback.
  • the horizontal segments are interrupted to define each of the segment portions, the segment portions of each horizontal segment being offset from the segment portions of the other horizontal segments orthogonal to the predetermined direction, and said elements of the segment are second pattern are interrupted tracks which are located between the tracks associated with the vertical segments of one of said sides of the first pattern and the tracks associated with the vertical segments on the other side of the first pattern and which are respectively associated with the segment parts.
  • the first and second patterns are arranged so that each character remains completely displayed during a first phase and then gradually changes to the next character during a second phase, during a continuous relative movement of the first characters. and second organs.
  • An optical correction element may be provided to produce an image of the displayed character in which the portions corresponding to the horizontal segments are continuous.
  • said elements of the second pattern are transverse segments each located facing a horizontal segment of the first pattern in one of a succession of predetermined discrete relative positions of the first and second members corresponding to said different configurations. overlap.
  • the tracks and the transverse segments of the second pattern define characters which overlap in the predetermined direction.
  • the horizontal segments of the first pattern and the transverse segments of the second pattern may be continuous.
  • the predetermined direction is circular.
  • An optical correction element may be provided to produce an image of the displayed character that has a straight shape.
  • the first member is fixed and the second member is movable in the predetermined direction.
  • the first and second patterns may be respectively defined by first and second polarizing filters whose respective polarizations are orthogonal in their overlapping areas.
  • the first member is a mirror and the second member is located above the mirror and is transparent.
  • the first pattern is a wicket formed in the first member and the second pattern is a pattern printed on the second member and located below the wicket.
  • a mirror 1 is disposed on the dial 2 of a watch, so as to reflect the ambient light.
  • a polarizing filter 3 which is shown schematically in the form of a plate or a rectangular film but which is in fact cut in a particular pattern.
  • a rotating transparent disk 4 is mounted on an axis 5 perpendicular to the plane of the mirror 1 and the dial 2 and disjointed from the mirror 1.
  • the disk 4 covers the mirror 1 and its polarizing filter 3 and carries a polarizing filter 6 which is schematically represented in the form of a disc or a film but which is cut in a particular pattern.
  • the polarization of the filter 6 is oriented so as to be orthogonal to the polarization of the filter 3 in the areas where the filters 3, 6 overlap.
  • the ambient light passing through the filter 6 is polarized in a direction that the filter 3 does not pass.
  • This light is absorbed by the filter 3 and is not reflected by the mirror 1.
  • a black pattern is thus drawn, constituted by the areas of overlap of the filters 3, 6, areas that vary during the rotation of the disc 4.
  • the disc 4 allows the user to see the dial 2 of the watch without obstruction as well as the clockwork elements located under the dial 2 if the latter itself comprises transparent parts . Indeed, it is increasingly common in luxury watchmaking that we can see in part the gears that make up the movement of the watch, and whose sophistication is a guarantee of quality.
  • the figure 2 illustrates the pattern that defines the fixed polarizing filter 3, affixed to the mirror 1.
  • this pattern will be designated by the same reference number as the polarizing filter 3.
  • This pattern 3 has the characteristics of a traditional seven-segment display , to some important details.
  • the so-called “vertical” or “longitudinal” segments a, b, c and d are shaped according to concentric circular arcs and of different radii, whose center of curvature is situated on the imaginary axis 5a of the axis 5, that is to say the imaginary axis of rotation of the disc 4.
  • the vertical segments a, b (respectively c, d) on each side of the pattern are not aligned but located on concentric circles of different radii.
  • so-called “horizontal” segments or “Transverse” e, f and g are oriented radially with respect to the aforementioned center of curvature and are interrupted to define each of the disjoint segment parts h, respectively i, respectively j, three in the example illustrated, in the form of small segments oriented in the same circular direction as the vertical segments a, b, c, d, as shown, or in the form of dots.
  • Each of these segment portions h, i and j is situated on a circle concentric with the vertical segments a, b, c and d but of different radius from those of the vertical segments a, b, c and d and the other segments of segment h. , i and j.
  • the figure 3 represents the pattern defined by the polarizing filter 6 integral with the rotating disc 4. In the following, this pattern will be designated by the same reference number as the polarizing filter 6.
  • This pattern 6 comprises concentric circular tracks k (drawn in gray) which the center is located on the imaginary axis 5a. These tracks k may be contiguous, as shown (the concentric black circles showing the delimitation of the tracks k are in practice not visible), or slightly disjointed. Tracks k are interrupted by blanks I (in white on the figure 3 ) practiced in the filter 6.
  • Each track k has the same radius of curvature as a segment a, b, c, d or part of segment h, i, j respectively of the pattern 3 and is therefore superimposed on this segment or part of the respective segment during the rotation of the disk 4, without there being any overlap between a given segment or part of a segment and the tracks other than the one associated with it.
  • the eye that looks at the mirror 1 has the impression that said segment or portion of segment is illuminated, which corresponds to the fact that the light polarized by the filter 6 is absorbed by the filter 3, said segment or part of a segment thus appearing in black on a light background.
  • Pattern 3 extends angularly to 1 / N turn of pattern 6, where N is the number of characters that can be displayed.
  • N is the number of characters that can be displayed.
  • the configuration of pattern 6 as illustrated in figure 3 allows the display of six successive digits (from 0 to 5) which may correspond for example to tens of seconds.
  • the location and the number of interrupts I of the tracks k could be modified to allow the display of other digits and more generally other characters.
  • the disc 4 is rotated about the axis 5a continuously by an internal mechanism of the watch.
  • this mechanism can be the mechanism for displaying seconds.
  • the pattern 6 is such that each character remains completely displayed (and thus appears static to the user) for 1 / (2N) turn of rotation of the disc 4 and progressively changes to the next character during the 1 / (2N ) next rotation turn.
  • the horizontal segments e, f, g which change state turn on or off at the very beginning of the transformation phase of the character, because their dimension in the circular direction is small, while the vertical segments a, b, c, d need the 1 / (2N) turn of the disc 4 to turn on or off completely.
  • figure 4 shows the transformation of the character "1" into the character “2” during a twelfth of a turn of the disc 4 bearing the pattern 6 illustrated in FIG. figure 3 , the character “2” then remaining displayed as shown to the far right of the figure 4 during the twelfth of a turn next, then gradually turning into the character "3", and so on.
  • the display according to this first embodiment produces a surprising and harmonious aesthetic effect, this in a simple and entirely mechanical way.
  • This display can also easily adapt to existing clock mechanisms involving continuous rotational movements.
  • the display according to the invention can be surmounted by an optical correction element 7 which diffuses by anamorphosis the image produced at each segment portion h, i, j, this to give the illusion to the user that the horizontal segments e, f, g are continuous and not interrupted.
  • the display according to the invention can be surmounted by an optical correction element 8 ( figure 6 ) which deforms the produced image so as to optically correct the curvature of the displayed character to give the illusion that said character is straight.
  • the display according to the invention may comprise a second disk 9, mounted on the same axis 5 as the disk 4, but of smaller diameter, as shown in figure 7 .
  • This second disc 9 carries a polarizing filter 10 cut in a particular pattern and cooperates with a corresponding polarizing filter pattern carried by an extension 11 of the mirror 1, similar to the cooperation between the patterns 3 and 6.
  • the display of the figure 7 can thus display for example the tens of seconds by one of the disks 4, 9 and the second units by the other disk.
  • the discs 4, 9 rotate at different speeds.
  • the mirror 1 is replaced by a dial 12 located above the rotating disc 4 and having openings forming a window 13 having the shape of the pattern 3.
  • the aperture 13 cooperates with a pattern 14 identical to the pattern 6 but presented in the shape of a pattern printed on the surface
  • This variant does not require polarizing filters, each character being displayed by portions of tracks of the pattern 14 visible through the aperture 13. However, it does not make it possible to reveal by transparency the watch movement.
  • a second embodiment of the invention is illustrated in Figures 9 to 11 .
  • the display according to this second embodiment comprises the mirror 1 and its polarizing filter 3, the disk 4 and its polarizing filter 6 as shown in FIG. figure 1 , but the disc 4 is rotated by jerks, and not continuously, and the filters 3, 6 are cut in patterns different from those illustrated in FIGS. figures 2 and 3 .
  • the Figures 9 and 10 show the patterns 15, 16 defined in this second embodiment by the polarizing filters 3, 6 respectively.
  • the vertical segments m, n, respectively o, p, on each side of the pattern 15 are circular arcs of the same center located on the imaginary axis 5a of rotation of the disc 4 but of different radii .
  • the pattern 15 differs from the pattern 3 illustrated in FIG. figure 2 in that the horizontal segments q, r, s, oriented radially, are continuous.
  • the pattern 16 carried by the disc 4 of this second embodiment comprises two pairs of concentric circular tracks t whose center is located on the imaginary axis 5a.
  • Each pair of tracks t is associated with the vertical segments m, n, respectively o, p, of one of the two sides of the pattern 15, that is to say is superimposed respectively on these vertical segments during the rotation of the disc 4 , this without there being any overlap between a given segment and the track other than that which is associated with it.
  • the tracks t of each pair may be contiguous, as shown, or slightly disjoint.
  • the tracks t are interrupted by cuts u made in the filter 6.
  • the pattern 16 also includes transverse segments v extending radially between the pairs of tracks t. These transverse segments v are divided into groups of 0, 1, 2 or 3 segments, each group being separated from the preceding group and its successor group by 1 / (2N) turn (center-to-center distance) where N is the number of characters that can be be displayed by the display. These transverse segments v are associated with the horizontal segments q, r, s of the pattern 15. More specifically, in the groups of 3 segments v, the rightmost segment is intended to be superimposed on the upper horizontal segment q of the pattern 15, the The middle segment is intended to be superimposed on the median horizontal segment r of the pattern 15 and the leftmost segment is intended to be superimposed on the lower horizontal segment s of the pattern 15. In some groups, 1, 2 or the 3 transverse segments are deleted. depending on the characters to display. These deleted segments are designated figures 10 and 11 by the mark w.
  • the pattern 16 represents a succession of characters which overlap in the circular direction of rotation of the disc 4.
  • the pattern 16 represents, in the anti-clockwise direction, the succession of characters 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, b, as has been made apparent on the figure 11 . Due to this overlap, the displayed characters have a large size, much larger than the characters displayed by the traditional rotary disc and wicket displays.
  • the characters displayed in this second embodiment in fact each extend over 2 / N turn while the displacement of the disk required to move from the display of a character to that of the next character is only 1 / N turn.
  • the figure 12 shows as an illustration the transition between the display of the character "3" and that of the character "4".
  • the display according to this second embodiment equipped with a second rotating disk with polarizing filter and a second pattern similar to the pattern 15, can be used to display jumping hours, minutes or seconds or calendars, for example.
  • the display according to this second embodiment can be surmounted by the optical correction elements 7, 8 illustrated in FIGS. Figures 5, 6 .
  • the mirror 1 is replaced by a dial 17 located above the rotary disc 4 and having openings forming a window 18 having the shape of the pattern 15.
  • the aperture 18 cooperates with a pattern 19 identical to the pattern 16 but presented in the This variant does not require polarizing filters, each character being displayed by portions of tracks and transverse segments of the pattern 19 visible through the aperture 18. However, it does not require polarizing filters. does not allow to reveal by transparency the watch movement.
  • the number of vertical segments defining each side of the patterns 3 and 15 could be greater than two, for example equal to four.
  • these segments would be offset with respect to each other in the circular direction about the axis 5a, as well as radially.
  • the rotary disk 4 could also be replaced by a linearly moving member, such as an endless belt, to allow the patterns 3, 15 to have a straight shape, that is to say upright and offset vertical segments. relative to each other in the direction orthogonal to them and horizontal segments oriented in said orthogonal direction.
  • the tracks k, t with their interrupts I, u would be straight and no longer circular.
  • the present invention is not limited to the field of watchmaking but can find applications wherever a mechanical digital display is desired.

Abstract

The display has a rotative transparent disk comprising a pattern i.e. design, with broken tracks respectively associated to vertical segments (a-d) of a pattern (3) i.e. aperture, of mirror. The mirror and the disk are superimposed such that the patterns are superimposed. The patterns are arranged such that overlapping zones are visible to a user and non-overlapping zones are invisible or less visible. The mirror and the disk are displaced along a preset direction for successively displaying different characters by different overlapping configurations between the patterns.

Description

Domaine technique de l'inventionTechnical field of the invention

L'invention est relative à un afficheur numérique (digital) mécanique notamment pour une pièce d'horlogerie, telle qu'une montre-bracelet ou une montre de poche, à mouvement mécanique ou électro-mécanique.The invention relates to a digital (digital) mechanical display, in particular for a timepiece, such as a wristwatch or a pocket watch, with mechanical or electromechanical movement.

État de la techniqueState of the art

En horlogerie traditionnelle, en particulier dans le haut de gamme, on accorde beaucoup d'importance à la sophistication des mouvements ainsi qu'à l'esthétique. On cherche aussi à surprendre le public concerné par de nouveaux mécanismes et de nouveaux modes d'affichage.In traditional watchmaking, especially in the high-end, we attach great importance to the sophistication of movement and aesthetics. It also seeks to surprise the public concerned by new mechanisms and new display modes.

Généralement, les heures et les minutes sont affichées de façon analogique par des aiguilles respectives déplacées en rotation au-dessus d'un cadran par le mouvement de la montre.Generally, the hours and minutes are displayed analogically by respective hands rotated over a dial by the movement of the watch.

Il est connu aussi d'afficher de manière numérique des grandeurs temporelles, telles que le quantième, le jour de la semaine, les heures et les minutes, par des disques rotatifs portant des indications visibles tour à tour à travers un guichet du cadran. Le document CH 150 975 décrit un tel dispositif pour l'affichage des heures et des minutes ainsi qu'une variante utilisant des bandes sans fin. Le document WO 2007/048487 décrit un afficheur numérique mécanique à tambours pour l'affichage des heures et des minutes.It is also known to display numerically temporal quantities, such as the date, the day of the week, hours and minutes, by rotating discs bearing indications visible in turn through a window of the dial. The document CH 150 975 describes such a device for displaying hours and minutes and a variant using endless bands. The document WO 2007/048487 describes a mechanical digital drum display for displaying hours and minutes.

Dans les documents US 4 017 154 , EP 1 906 266 et CH 568 600 sont proposés des afficheurs numériques mécaniques de type « sept segments », c'est-à-dire des afficheurs qui imitent de manière entièrement mécanique les afficheurs numériques « sept segments » à diodes électroluminescentes.In documents US 4,017,154 , EP 1,906,266 and CH 568 600 are offered mechanical digital displays of the "seven segments" type, that is, displays that mimic fully the "seven-segment" light-emitting diode digital displays.

L'afficheur selon US 4 017 154 comporte sept segments disposés selon la configuration traditionnelle en 8 mais mobiles individuellement en rotation autour de leur centre entre leur position normale où ils sont visibles et une autre position où, par un système de polarisation de la lumière, ils sont invisibles. L'affichage d'un chiffre donné s'effectue ainsi en tournant les segments qui ne participent pas à l'affichage du chiffre pour les rendre invisibles.The display according to US 4,017,154 comprises seven segments arranged according to the traditional configuration at 8 but individually movable in rotation around their center between their normal position where they are visible and another position where, by a polarization system of the light, they are invisible. The display of a given digit is thus done by turning the segments that do not participate in the display of the figure to make them invisible.

L'afficheur selon EP 1 906 266 comporte sept segments mobiles individuellement en rotation autour de leur axe longitudinal. Chaque segment peut ainsi être tourné sur lui-même pour rendre visible alternativement deux faces opposées ayant des apparences différentes. Chaque segment participe à l'affichage lorsque l'une de ces faces est visible et ne participe pas à l'affichage lorsque c'est l'autre face qui est visible.The display according to EP 1,906,266 has seven segments individually movable in rotation about their longitudinal axis. Each segment can thus be turned on itself to make alternately visible two opposite faces having different appearances. Each segment participates in the display when one of these faces is visible and does not participate in the display when the other face is visible.

L'afficheur selon CH 568 600 comporte des segments fixes associés chacun à un masque mobile pouvant occuper une position où il cache le segment correspondant et une position où il laisse le segment correspondant visible.The display according to CH 568 600 has fixed segments each associated with a movable mask that can occupy a position where it hides the corresponding segment and a position where it leaves the corresponding segment visible.

Tous ces afficheurs numériques mécaniques à segments présentent l'inconvénient d'être compliqués en ce sens qu'ils nécessitent des mécanismes pour déplacer individuellement soit les segments soit des masques associés aux segments.All these digital mechanical segment displays have the disadvantage of being complicated in that they require mechanisms to move individually either segments or masks associated segments.

Objet de l'inventionObject of the invention

La présente invention vise à proposer un afficheur numérique mécanique à segments qui remédie à l'inconvénient précité.The present invention aims at providing a mechanical digital segment display that overcomes the aforementioned drawback.

A cette fin, il est proposé selon l'invention un afficheur numérique mécanique à segments caractérisé en ce qu'il comprend :

  • un premier organe comprenant un premier motif comprenant des segments dits « verticaux » orientés suivant une direction prédéterminée et définissant deux côtés opposés du motif et des segments dits « horizontaux » orientés orthogonalement à la direction prédéterminée, chacun desdits côtés étant défini par au moins deux segments verticaux décalés l'un par rapport à l'autre à la fois suivant la direction prédéterminée et orthogonalement à la direction prédéterminée,
  • un deuxième organe comprenant un deuxième motif comprenant des pistes interrompues associées respectivement aux segments verticaux et des éléments associés aux segments horizontaux,
    et en ce que :
  • les premier et deuxième organes sont superposés de sorte que les premier et deuxième motifs se chevauchent,
  • les premier et deuxième motifs sont agencés pour que leurs zones de chevauchement soient visibles à l'utilisateur et que leurs zones de non chevauchement soient invisibles ou moins visibles, et
  • les premier et deuxième organes peuvent être déplacés l'un par rapport à l'autre suivant la direction prédéterminée pour afficher successivement différents caractères par différentes configurations de chevauchement entre les premier et deuxième motifs.
For this purpose, it is proposed according to the invention a mechanical digital segment display characterized in that it comprises:
  • a first member comprising a first pattern comprising so-called "vertical" segments oriented in a predetermined direction and defining two opposite sides of the pattern and so-called "horizontal" segments oriented orthogonal to the predetermined direction, each of said sides being defined by at least two segments vertically offset with respect to each other both in the predetermined direction and orthogonal to the predetermined direction,
  • a second member comprising a second pattern comprising interrupted tracks respectively associated with the vertical segments and elements associated with the horizontal segments,
    and in that :
  • the first and second members are superimposed so that the first and second patterns overlap,
  • the first and second patterns are arranged so that their areas of overlap are visible to the user and their areas of non-overlap are invisible or less visible, and
  • the first and second members may be moved relative to each other in the predetermined direction to successively display different characters by different overlapping configurations between the first and second patterns.

Selon un premier mode de réalisation, les segments horizontaux sont interrompus pour définir chacun des parties de segment, les parties de segment de chaque segment horizontal étant décalées par rapport aux parties de segment des autres segments horizontaux orthogonalement à la direction prédéterminée, et lesdits éléments du deuxième motif sont des pistes interrompues qui sont situées entre les pistes associées aux segments verticaux de l'un desdits côtés du premier motif et les pistes associées aux segments verticaux de l'autre côté du premier motif et qui sont associées respectivement aux parties de segment.According to a first embodiment, the horizontal segments are interrupted to define each of the segment portions, the segment portions of each horizontal segment being offset from the segment portions of the other horizontal segments orthogonal to the predetermined direction, and said elements of the segment are second pattern are interrupted tracks which are located between the tracks associated with the vertical segments of one of said sides of the first pattern and the tracks associated with the vertical segments on the other side of the first pattern and which are respectively associated with the segment parts.

De préférence, dans ce premier mode de réalisation, les premier et deuxième motifs sont agencés pour que chaque caractère reste complètement affiché pendant une première phase puis se transforme progressivement en le caractère suivant pendant une deuxième phase, lors d'un mouvement relatif continu des premier et deuxième organes.Preferably, in this first embodiment, the first and second patterns are arranged so that each character remains completely displayed during a first phase and then gradually changes to the next character during a second phase, during a continuous relative movement of the first characters. and second organs.

Un élément de correction optique peut être prévu pour produire une image du caractère affiché dans laquelle les parties correspondant aux segments horizontaux sont continues.An optical correction element may be provided to produce an image of the displayed character in which the portions corresponding to the horizontal segments are continuous.

Selon un deuxième mode de réalisation, lesdits éléments du deuxième motif sont des segments transversaux situés chacun en regard d'un segment horizontal du premier motif dans l'une d'une succession de positions relatives discrètes prédéterminées des premier et deuxième organes correspondant auxdites différentes configurations de chevauchement.According to a second embodiment, said elements of the second pattern are transverse segments each located facing a horizontal segment of the first pattern in one of a succession of predetermined discrete relative positions of the first and second members corresponding to said different configurations. overlap.

Avantageusement, dans ce deuxième mode de réalisation, les pistes et les segments transversaux du deuxième motif définissent des caractères qui se chevauchent dans la direction prédéterminée.Advantageously, in this second embodiment, the tracks and the transverse segments of the second pattern define characters which overlap in the predetermined direction.

Dans ce deuxième mode de réalisation, les segments horizontaux du premier motif et les segments transversaux du deuxième motif peuvent être continus.In this second embodiment, the horizontal segments of the first pattern and the transverse segments of the second pattern may be continuous.

Typiquement, dans les deux modes de réalisation ci-dessus, la direction prédéterminée est circulaire.Typically, in both embodiments above, the predetermined direction is circular.

Un élément de correction optique peut être prévu pour produire une image du caractère affiché qui ait une forme droite.An optical correction element may be provided to produce an image of the displayed character that has a straight shape.

Typiquement le premier organe est fixe et le deuxième organe est mobile suivant la direction prédéterminée.Typically the first member is fixed and the second member is movable in the predetermined direction.

Les premier et deuxième motifs peuvent être définis respectivement par des premier et deuxième filtres polarisants dont les polarisations respectives sont orthogonales dans leurs zones de chevauchement. Dans ce cas, de préférence, le premier organe est un miroir et le deuxième organe est situé au-dessus du miroir et est transparent.The first and second patterns may be respectively defined by first and second polarizing filters whose respective polarizations are orthogonal in their overlapping areas. In this case, preferably, the first member is a mirror and the second member is located above the mirror and is transparent.

En variante, le premier motif est un guichet formé dans le premier organe et le deuxième motif est un dessin imprimé sur le deuxième organe et situé au-dessous du guichet.Alternatively, the first pattern is a wicket formed in the first member and the second pattern is a pattern printed on the second member and located below the wicket.

Description sommaire des dessinsBrief description of the drawings

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre de modes particuliers de réalisation de l'invention donnés à titre d'exemples non limitatifs et représentés aux dessins schématiques annexés, dans lesquels :

  • La figure 1 illustre un afficheur selon l'invention, comprenant un miroir et un disque rotatif transparent montés sur un cadran de montre.
  • La figure 2 illustre un motif défini par un film polarisant recouvrant le miroir, selon un premier mode de réalisation de l'invention.
  • La figure 3 illustre un motif défini par un film polarisant recouvrant le disque rotatif, selon le premier mode de réalisation de l'invention.
  • La figure 4 illustre différents états d'affichage successifs obtenus par rotation du disque au-dessus du miroir.
  • La figure 5 illustre une variante où l'afficheur est recouvert d'un filtre diffusant.
  • La figure 6 illustre une variante où l'afficheur est recouvert d'un filtre anamorphosant.
  • La figure 7 illustre une variante où deux disques rotatifs recouverts chacun d'un film polarisant sont utilisés pour réaliser un affichage à deux chiffres.
  • La figure 8 illustre une variante comprenant, à la place du miroir et du disque à films polarisants, un cadran équipé d'un guichet composé de segments derrière lequel défile un disque rotatif imprimé.
  • La figure 9 illustre un motif défini par le film polarisant recouvrant le miroir de
  • la figure 1, selon un deuxième mode de réalisation de l'invention.
  • La figure 10 illustre un motif défini par le film polarisant recouvrant le disque rotatif de la figure 1, selon le deuxième mode de réalisation de l'invention.
  • La figure 11 illustre plus en détail le motif de la figure 10. A des fins de clarté,
  • la figure 11 comporte différentes nuances de couleur qui laissent apparaître différents caractères chevauchants que ce motif représente.
  • La figure 12 illustre différents états d'affichage successifs obtenus avec l'afficheur selon le deuxième mode de réalisation.
  • La figure 13 illustre une variante du deuxième mode de réalisation comprenant, à la place du miroir et du disque à films polarisants, un cadran équipé d'un guichet composé de segments derrière lequel défile un disque rotatif imprimé.
Other advantages and features will emerge more clearly from the following description of particular embodiments of the invention given as non-limiting examples and shown in the accompanying diagrammatic drawings, in which:
  • The figure 1 illustrates a display according to the invention, comprising a mirror and a transparent rotary disk mounted on a watch face.
  • The figure 2 illustrates a pattern defined by a polarizing film covering the mirror, according to a first embodiment of the invention.
  • The figure 3 illustrates a pattern defined by a polarizing film covering the rotating disk, according to the first embodiment of the invention.
  • The figure 4 illustrates different successive display states obtained by rotating the disk above the mirror.
  • The figure 5 illustrates a variant where the display is covered by a diffusing filter.
  • The figure 6 illustrates a variant where the display is covered with an anamorphosing filter.
  • The figure 7 illustrates a variant where two rotating discs each coated with a polarizing film are used to achieve a two-digit display.
  • The figure 8 illustrates a variant comprising, in place of the mirror and the polarizing film disc, a dial equipped with a window composed of segments behind which scrolls a printed rotary disc.
  • The figure 9 illustrates a pattern defined by the polarizing film covering the mirror of
  • the figure 1 according to a second embodiment of the invention.
  • The figure 10 illustrates a pattern defined by the polarizing film covering the rotating disk of the figure 1 according to the second embodiment of the invention.
  • The figure 11 illustrates in more detail the reason for the figure 10 . For the sake of clarity,
  • the figure 11 has different shades of color that reveal different overlapping characters that this pattern represents.
  • The figure 12 illustrates different successive display states obtained with the display according to the second embodiment.
  • The figure 13 illustrates a variant of the second embodiment comprising, in place of the mirror and the polarizing film disc, a dial equipped with a window composed of segments behind which scrolls a printed rotary disc.

Description de modes de réalisation particuliers de l'inventionDescription of particular embodiments of the invention

Dans un premier mode de réalisation de l'invention, illustré à la figure 1, un miroir 1 est disposé sur le cadran 2 d'une montre, de façon à réfléchir la lumière ambiante. Sur ce miroir 1 est apposé un filtre polarisant 3 qui est représenté schématiquement sous la forme d'une plaque ou d'un film rectangulaire mais qui est en fait découpé selon un motif particulier.In a first embodiment of the invention, illustrated in FIG. figure 1 a mirror 1 is disposed on the dial 2 of a watch, so as to reflect the ambient light. On this mirror 1 is affixed a polarizing filter 3 which is shown schematically in the form of a plate or a rectangular film but which is in fact cut in a particular pattern.

Un disque transparent rotatif 4 est monté sur un axe 5 perpendiculaire au plan du miroir 1 et au cadran 2 et disjoint du miroir 1. Le disque 4 recouvre le miroir 1 et son filtre polarisant 3 et porte un filtre polarisant 6 qui est représenté schématiquement sous la forme d'un disque ou d'un film mais qui est découpé selon un motif particulier.A rotating transparent disk 4 is mounted on an axis 5 perpendicular to the plane of the mirror 1 and the dial 2 and disjointed from the mirror 1. The disk 4 covers the mirror 1 and its polarizing filter 3 and carries a polarizing filter 6 which is schematically represented in the form of a disc or a film but which is cut in a particular pattern.

La polarisation du filtre 6 est orientée de manière à être orthogonale à la polarisation du filtre 3 dans les zones où les filtres 3, 6 se chevauchent. Ainsi, dans ces zones de chevauchement, la lumière ambiante qui traverse le filtre 6 est polarisée suivant une direction que le filtre 3 ne laisse pas passer. Cette lumière est donc absorbée par le filtre 3 et n'est pas réfléchie par le miroir 1. Par contre, là où la lumière ne rencontre qu'un seul des deux filtres 3, 6, elle n'est pas bloquée et est réfléchie par le miroir 1. Un motif noir est ainsi dessiné, constitué par les zones de chevauchement des filtres 3, 6, zones qui varient lors de la rotation du disque 4.The polarization of the filter 6 is oriented so as to be orthogonal to the polarization of the filter 3 in the areas where the filters 3, 6 overlap. Thus, in these areas of overlap, the ambient light passing through the filter 6 is polarized in a direction that the filter 3 does not pass. This light is absorbed by the filter 3 and is not reflected by the mirror 1. On the other hand, where the light encounters only one of the two filters 3, 6, it is not blocked and is reflected by the mirror 1. A black pattern is thus drawn, constituted by the areas of overlap of the filters 3, 6, areas that vary during the rotation of the disc 4.

Il est important de noter que, étant transparent, le disque 4 permet à l'utilisateur de voir le cadran 2 de la montre sans obstruction ainsi que des éléments d'horlogerie situés sous le cadran 2 si ce dernier comporte lui-même des parties transparentes. En effet, il est de plus en plus fréquent dans l'horlogerie de luxe que l'on puisse voir en partie les engrenages qui composent le mouvement de la montre, et dont la sophistication est gage de qualité.It is important to note that, being transparent, the disc 4 allows the user to see the dial 2 of the watch without obstruction as well as the clockwork elements located under the dial 2 if the latter itself comprises transparent parts . Indeed, it is increasingly common in luxury watchmaking that we can see in part the gears that make up the movement of the watch, and whose sophistication is a guarantee of quality.

La figure 2 illustre le motif que définit le filtre polarisant fixe 3, apposé au miroir 1. Dans la suite, ce motif sera désigné par le même numéro de référence que le filtre polarisant 3. Ce motif 3 reprend les caractéristiques d'un afficheur à sept segments traditionnel, à quelques détails importants près. D'une part, les segments dits « verticaux » ou « longitudinaux » a, b, c et d sont conformés suivant des arcs de cercle concentriques et de rayons différents, dont le centre de courbure est situé sur l'axe imaginaire 5a de l'axe 5, c'est-à-dire l'axe imaginaire de rotation du disque 4. On notera en particulier que les segments verticaux a, b (respectivement c, d) de chaque côté du motif ne sont pas alignés mais situés sur des cercles concentriques de rayons différents. D'autre part, les segments dits « horizontaux » ou « transversaux » e, f et g sont orientés radialement par rapport au centre de courbure précité et sont interrompus pour définir chacun des parties de segment disjointes h, respectivement i, respectivement j, au nombre de trois dans l'exemple illustré, en forme de petits segments orientés suivant la même direction circulaire que les segments verticaux a, b, c, d, comme représenté, ou en forme de points. Chacune de ces parties de segment h, i et j est située sur un cercle concentrique aux segments verticaux a, b, c et d mais de rayon différent de ceux des segments verticaux a, b, c et d et des autres parties de segment h, i et j.The figure 2 illustrates the pattern that defines the fixed polarizing filter 3, affixed to the mirror 1. In the following, this pattern will be designated by the same reference number as the polarizing filter 3. This pattern 3 has the characteristics of a traditional seven-segment display , to some important details. On the one hand, the so-called "vertical" or "longitudinal" segments a, b, c and d are shaped according to concentric circular arcs and of different radii, whose center of curvature is situated on the imaginary axis 5a of the axis 5, that is to say the imaginary axis of rotation of the disc 4. It should be noted in particular that the vertical segments a, b (respectively c, d) on each side of the pattern are not aligned but located on concentric circles of different radii. On the other hand, so-called "horizontal" segments or "Transverse" e, f and g are oriented radially with respect to the aforementioned center of curvature and are interrupted to define each of the disjoint segment parts h, respectively i, respectively j, three in the example illustrated, in the form of small segments oriented in the same circular direction as the vertical segments a, b, c, d, as shown, or in the form of dots. Each of these segment portions h, i and j is situated on a circle concentric with the vertical segments a, b, c and d but of different radius from those of the vertical segments a, b, c and d and the other segments of segment h. , i and j.

La figure 3 représente le motif que définit le filtre polarisant 6 solidaire du disque rotatif 4. Dans la suite, ce motif sera désigné par le même numéro de référence que le filtre polarisant 6. Ce motif 6 comprend des pistes circulaires concentriques k (dessinées en gris) dont le centre est situé sur l'axe imaginaire 5a. Ces pistes k peuvent être accolées, comme représenté (les cercles noirs concentriques montrant la délimitation des pistes k n'étant en pratique pas visibles), ou légèrement disjointes. Les pistes k sont interrompues par des découpes I (en blanc sur la figure 3) pratiquées dans le filtre 6.The figure 3 represents the pattern defined by the polarizing filter 6 integral with the rotating disc 4. In the following, this pattern will be designated by the same reference number as the polarizing filter 6. This pattern 6 comprises concentric circular tracks k (drawn in gray) which the center is located on the imaginary axis 5a. These tracks k may be contiguous, as shown (the concentric black circles showing the delimitation of the tracks k are in practice not visible), or slightly disjointed. Tracks k are interrupted by blanks I (in white on the figure 3 ) practiced in the filter 6.

Chaque piste k a le même rayon de courbure qu'un segment a, b, c, d ou partie de segment h, i, j respectif du motif 3 et vient donc se superposer à ce segment ou partie de segment respectif au cours de la rotation du disque 4, sans qu'il y ait de chevauchement entre un segment ou partie de segment donné et les pistes autres que celle qui lui est associée. Lorsqu'un segment ou partie de segment et sa piste associée se superposent, l'oeil qui regarde le miroir 1 a l'impression que ledit segment ou partie de segment s'allume, ce qui correspond au fait que la lumière polarisée par le filtre 6 est absorbée par le filtre 3, ledit segment ou partie de segment apparaissant donc en noir sur fond clair. Lorsqu'un segment ou partie de segment et sa piste associée ne se chevauchent pas, c'est-à-dire lorsque le segment ou partie de segment est en regard d'une interruption I de sa piste associée, le segment ou partie de segment est invisible à l'utilisateur. Les pistes associées aux parties de segment h, i ou j d'un même segment horizontal e, f ou g ont leurs interruptions I dans les mêmes secteurs angulaires de sorte que ces parties de segment h, i ou j s'allument et s'éteignent simultanément.Each track k has the same radius of curvature as a segment a, b, c, d or part of segment h, i, j respectively of the pattern 3 and is therefore superimposed on this segment or part of the respective segment during the rotation of the disk 4, without there being any overlap between a given segment or part of a segment and the tracks other than the one associated with it. When a segment or part of a segment and its associated track are superimposed, the eye that looks at the mirror 1 has the impression that said segment or portion of segment is illuminated, which corresponds to the fact that the light polarized by the filter 6 is absorbed by the filter 3, said segment or part of a segment thus appearing in black on a light background. When a segment or segment portion and its associated track do not overlap, i.e. when the segment or segment portion is facing an interruption I of its associated track, the segment or part thereof segment is invisible to the user. The tracks associated with the segment portions h, i or j of the same horizontal segment e, f or g have their interrupts I in the same angular sectors so that these segment portions h, i or j are illuminated and s' turn off simultaneously.

Le motif 3 s'étend angulairement sur 1/N tour du motif 6, où N est le nombre de caractères pouvant être affichés. La configuration du motif 6 telle qu'elle est illustrée à la figure 3 permet l'affichage de six chiffres successifs (de 0 à 5) pouvant correspondre par exemple aux dizaines des secondes. Toutefois, l'emplacement et le nombre des interruptions I des pistes k pourraient être modifiés pour permettre l'affichage d'autres chiffres et plus généralement d'autres caractères.Pattern 3 extends angularly to 1 / N turn of pattern 6, where N is the number of characters that can be displayed. The configuration of pattern 6 as illustrated in figure 3 allows the display of six successive digits (from 0 to 5) which may correspond for example to tens of seconds. However, the location and the number of interrupts I of the tracks k could be modified to allow the display of other digits and more generally other characters.

Le disque 4 est entraîné en rotation autour de l'axe 5a de manière continue par un mécanisme interne de la montre. Dans l'exemple de la figure 3, ce mécanisme peut être le mécanisme d'affichage des secondes. De préférence, le motif 6 est tel que chaque caractère reste complètement affiché (et paraît ainsi statique à l'utilisateur) pendant 1/(2N) tour de rotation du disque 4 et se transforme progressivement en le caractère suivant pendant le 1/(2N) tour de rotation suivant. Les segments horizontaux e, f, g qui changent d'état s'allument ou s'éteignent tout au début de la phase de transformation du caractère, car leur dimension dans la direction circulaire est petite, tandis que les segments verticaux a, b, c, d ont besoin du 1/(2N) tour de rotation du disque 4 pour s'allumer ou s'éteindre complètement. Ceci est visible à la figure 4, qui montre la transformation du caractère « 1 » en le caractère « 2 » pendant un douzième de tour du disque 4 portant le motif 6 illustré à la figure 3, le caractère « 2 » restant ensuite affiché tel qu'il est montré tout à droite de la figure 4 pendant le douzième de tour suivant, puis se transformant progressivement en le caractère « 3 », et ainsi de suite.The disc 4 is rotated about the axis 5a continuously by an internal mechanism of the watch. In the example of the figure 3 this mechanism can be the mechanism for displaying seconds. Preferably, the pattern 6 is such that each character remains completely displayed (and thus appears static to the user) for 1 / (2N) turn of rotation of the disc 4 and progressively changes to the next character during the 1 / (2N ) next rotation turn. The horizontal segments e, f, g which change state turn on or off at the very beginning of the transformation phase of the character, because their dimension in the circular direction is small, while the vertical segments a, b, c, d need the 1 / (2N) turn of the disc 4 to turn on or off completely. This is visible at figure 4 , which shows the transformation of the character "1" into the character "2" during a twelfth of a turn of the disc 4 bearing the pattern 6 illustrated in FIG. figure 3 , the character "2" then remaining displayed as shown to the far right of the figure 4 during the twelfth of a turn next, then gradually turning into the character "3", and so on.

Par cette transition progressive de l'affichage d'un caractère à celui du caractère suivant, l'afficheur selon ce premier mode de réalisation produit un effet esthétique surprenant et harmonieux, ceci de manière simple et entièrement mécanique. Cet afficheur peut en outre s'adapter facilement à des mécanismes horlogers existants faisant intervenir des mouvements de rotation continus.By this progressive transition from the display of a character to that of the next character, the display according to this first embodiment produces a surprising and harmonious aesthetic effect, this in a simple and entirely mechanical way. This display can also easily adapt to existing clock mechanisms involving continuous rotational movements.

Comme cela est représenté à la figure 5, l'afficheur selon l'invention peut être surmonté d'un élément de correction optique 7 qui diffuse par anamorphose l'image produite au niveau de chaque partie de segment h, i, j, ceci pour donner l'illusion à l'utilisateur que les segments horizontaux e, f, g sont continus et non pas interrompus.As shown in figure 5 , the display according to the invention can be surmounted by an optical correction element 7 which diffuses by anamorphosis the image produced at each segment portion h, i, j, this to give the illusion to the user that the horizontal segments e, f, g are continuous and not interrupted.

En plus de l'élément 7, ou en alternative à celui-ci, l'afficheur selon l'invention peut être surmonté d'un élément de correction optique 8 (figure 6) qui déforme l'image produite de façon à corriger optiquement la courbure du caractère affiché afin de donner l'illusion que ledit caractère est droit.In addition to the element 7, or as an alternative thereto, the display according to the invention can be surmounted by an optical correction element 8 ( figure 6 ) which deforms the produced image so as to optically correct the curvature of the displayed character to give the illusion that said character is straight.

Pour permettre l'affichage d'un deuxième caractère juxtaposé à celui affiché par les éléments 1, 3, 4, 6, l'afficheur selon l'invention peut comporter un deuxième disque 9, monté sur le même axe 5 que le disque 4, mais de diamètre plus petit, comme représenté à la figure 7. Ce deuxième disque 9 porte un filtre polarisant 10 découpé selon un motif particulier et coopère avec un motif de filtre polarisant correspondant porté par une extension 11 du miroir 1, de manière analogue à la coopération entre les motifs 3 et 6. L'afficheur de la figure 7 peut ainsi afficher par exemple les dizaines des secondes par l'un des disques 4, 9 et les unités des secondes par l'autre disque. A cet effet, les disques 4, 9 tournent à des vitesses différentes.To enable the display of a second character juxtaposed with that displayed by the elements 1, 3, 4, 6, the display according to the invention may comprise a second disk 9, mounted on the same axis 5 as the disk 4, but of smaller diameter, as shown in figure 7 . This second disc 9 carries a polarizing filter 10 cut in a particular pattern and cooperates with a corresponding polarizing filter pattern carried by an extension 11 of the mirror 1, similar to the cooperation between the patterns 3 and 6. The display of the figure 7 can thus display for example the tens of seconds by one of the disks 4, 9 and the second units by the other disk. For this purpose, the discs 4, 9 rotate at different speeds.

Dans une variante de ce premier mode de réalisation de l'invention, montrée à la figure 8, le miroir 1 est remplacé par un cadran 12 situé au-dessus du disque rotatif 4 et comportant des ouvertures formant un guichet 13 ayant la forme du motif 3. Le guichet 13 coopère avec un motif 14 identique au motif 6 mais se présentant sous la forme d'un dessin imprimé sur la surface supérieure du disque rotatif 4. Cette variante ne nécessite pas de filtres polarisants, chaque caractère étant affiché par des parties de pistes du motif 14 visibles à travers le guichet 13. Toutefois, elle ne permet pas de révéler par transparence le mouvement horloger.In a variant of this first embodiment of the invention, shown in FIG. figure 8 , the mirror 1 is replaced by a dial 12 located above the rotating disc 4 and having openings forming a window 13 having the shape of the pattern 3. The aperture 13 cooperates with a pattern 14 identical to the pattern 6 but presented in the shape of a pattern printed on the surface This variant does not require polarizing filters, each character being displayed by portions of tracks of the pattern 14 visible through the aperture 13. However, it does not make it possible to reveal by transparency the watch movement.

Un deuxième mode de réalisation de l'invention est illustré aux figures 9 à 11. L'afficheur selon ce deuxième mode de réalisation comprend le miroir 1 et son filtre polarisant 3, le disque 4 et son filtre polarisant 6 tels que montrés à la figure 1, mais le disque 4 est entraîné en rotation par saccades, et non pas continûment, et les filtres 3, 6 sont découpés selon des motifs différents de ceux illustrés aux figures 2 et 3. Les figures 9 et 10 montrent les motifs 15, 16 définis dans ce deuxième mode de réalisation par les filtres polarisants 3, 6 respectivement. Comme dans le premier mode de réalisation, les segments verticaux m, n, respectivement o, p, de chaque côté du motif 15 sont des arcs de cercle de même centre situé sur l'axe imaginaire 5a de rotation du disque 4 mais de rayons différents. Le motif 15 diffère du motif 3 illustré à la figure 2 en ce que les segments horizontaux q, r, s, orientés radialement, sont continus.A second embodiment of the invention is illustrated in Figures 9 to 11 . The display according to this second embodiment comprises the mirror 1 and its polarizing filter 3, the disk 4 and its polarizing filter 6 as shown in FIG. figure 1 , but the disc 4 is rotated by jerks, and not continuously, and the filters 3, 6 are cut in patterns different from those illustrated in FIGS. figures 2 and 3 . The Figures 9 and 10 show the patterns 15, 16 defined in this second embodiment by the polarizing filters 3, 6 respectively. As in the first embodiment, the vertical segments m, n, respectively o, p, on each side of the pattern 15 are circular arcs of the same center located on the imaginary axis 5a of rotation of the disc 4 but of different radii . The pattern 15 differs from the pattern 3 illustrated in FIG. figure 2 in that the horizontal segments q, r, s, oriented radially, are continuous.

Le motif 16 porté par le disque 4 de ce deuxième mode de réalisation comprend deux paires de pistes circulaires concentriques t dont le centre est situé sur l'axe imaginaire 5a. Chaque paire de pistes t est associée aux segments verticaux m, n, respectivement o, p, de l'un des deux côtés du motif 15, c'est-à-dire se superpose respectivement à ces segments verticaux pendant la rotation du disque 4, ceci sans qu'il y ait de chevauchement entre un segment donné et la piste autre que celle qui lui est associée. Les pistes t de chaque paire peuvent être accolées, comme représenté, ou légèrement disjointes. Les pistes t sont interrompues par des découpes u pratiquées dans le filtre 6.The pattern 16 carried by the disc 4 of this second embodiment comprises two pairs of concentric circular tracks t whose center is located on the imaginary axis 5a. Each pair of tracks t is associated with the vertical segments m, n, respectively o, p, of one of the two sides of the pattern 15, that is to say is superimposed respectively on these vertical segments during the rotation of the disc 4 , this without there being any overlap between a given segment and the track other than that which is associated with it. The tracks t of each pair may be contiguous, as shown, or slightly disjoint. The tracks t are interrupted by cuts u made in the filter 6.

Le motif 16 comprend aussi des segments transversaux v s'étendant radialement entre les paires de pistes t. Ces segments transversaux v sont répartis en groupes de 0, 1, 2 ou 3 segments, chaque groupe étant séparé du groupe qui le précède et du groupe qui lui succède de 1/(2N) tour (distance de centre à centre) où N est le nombre de caractères pouvant être affichés par l'afficheur. Ces segments transversaux v sont associés aux segments horizontaux q, r, s du motif 15. Plus précisément, dans les groupes de 3 segments v, le segment le plus à droite est destiné à se superposer au segment horizontal supérieur q du motif 15, le segment médian est destiné à se superposer au segment horizontal médian r du motif 15 et le segment le plus à gauche est destiné à se superposer au segment horizontal inférieur s du motif 15. Dans certains groupes, 1, 2 ou les 3 segments transversaux sont supprimés en fonction des caractères à afficher. Ces segments supprimés sont désignés aux figures 10 et 11 par le repère w.The pattern 16 also includes transverse segments v extending radially between the pairs of tracks t. These transverse segments v are divided into groups of 0, 1, 2 or 3 segments, each group being separated from the preceding group and its successor group by 1 / (2N) turn (center-to-center distance) where N is the number of characters that can be be displayed by the display. These transverse segments v are associated with the horizontal segments q, r, s of the pattern 15. More specifically, in the groups of 3 segments v, the rightmost segment is intended to be superimposed on the upper horizontal segment q of the pattern 15, the The middle segment is intended to be superimposed on the median horizontal segment r of the pattern 15 and the leftmost segment is intended to be superimposed on the lower horizontal segment s of the pattern 15. In some groups, 1, 2 or the 3 transverse segments are deleted. depending on the characters to display. These deleted segments are designated figures 10 and 11 by the mark w.

Avec ses pistes t et ses segments transversaux v, le motif 16 représente une succession de caractères qui se chevauchent dans la direction circulaire de rotation du disque 4. Dans l'exemple des figures 10 et 11, le motif 16 représente, dans le sens anti-horaire, la succession de caractères 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, b, comme cela a été rendu apparent sur la figure 11. Grâce à ce chevauchement, les caractères affichés ont une grande taille, bien supérieure à celle des caractères affichés par les afficheurs à disque rotatif et guichet traditionnels. Les caractères affichés dans ce deuxième mode de réalisation s'étendent en effet chacun sur 2/N tour alors que le déplacement du disque requis pour passer de l'affichage d'un caractère à celui du caractère suivant est de seulement 1/N tour. La figure 12 montre à titre d'illustration la transition entre l'affichage du caractère « 3 » et celui du caractère « 4 ». On voit que, contrairement au premier mode de réalisation, le segment horizontal médian du « 3 » (figure 12a) disparaît dans un premier temps (figures 12b, 12c) pour réapparaître avec le « 4 » (figure 12d). A l'inverse, des segments horizontaux peuvent apparaître puis disparaître pendant la transition entre l'affichage d'un caractère et celui du caractère suivant, comme c'est le cas par exemple pour la transition entre le « 0 » et le « 1 ». Tout ceci n'est en pratique pas gênant car les états intermédiaires de l'affichage ne sont visibles que pendant un très court laps de temps du fait de la rotation saccadée du disque.With its tracks t and its transverse segments v, the pattern 16 represents a succession of characters which overlap in the circular direction of rotation of the disc 4. In the example of figures 10 and 11 , the pattern 16 represents, in the anti-clockwise direction, the succession of characters 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, b, as has been made apparent on the figure 11 . Due to this overlap, the displayed characters have a large size, much larger than the characters displayed by the traditional rotary disc and wicket displays. The characters displayed in this second embodiment in fact each extend over 2 / N turn while the displacement of the disk required to move from the display of a character to that of the next character is only 1 / N turn. The figure 12 shows as an illustration the transition between the display of the character "3" and that of the character "4". It can be seen that, contrary to the first embodiment, the median horizontal segment of the "3" ( figure 12a ) disappears at first ( Figures 12b, 12c ) to reappear with the "4" ( figure 12d ). Conversely, horizontal segments can appear and disappear during the transition between the display of a character and that of the next character, as is the case for example for the transition between "0" and "1" . All this is in practice not inconvenient because the intermediate states of the display is only visible for a very short period of time due to the jerky rotation of the disc.

L'afficheur selon ce deuxième mode de réalisation, équipé d'un deuxième disque rotatif avec filtre polarisant et d'un deuxième motif analogue au motif 15, peut servir à afficher des heures, minutes ou secondes sautantes ou des quantièmes, par exemple.The display according to this second embodiment, equipped with a second rotating disk with polarizing filter and a second pattern similar to the pattern 15, can be used to display jumping hours, minutes or seconds or calendars, for example.

L'afficheur selon ce deuxième mode de réalisation peut être surmonté des éléments de correction optique 7, 8 illustrés aux figures 5, 6.The display according to this second embodiment can be surmounted by the optical correction elements 7, 8 illustrated in FIGS. Figures 5, 6 .

Dans une variante de l'afficheur selon ce deuxième mode de réalisation, illustrée à la figure 13, le miroir 1 est remplacé par un cadran 17 situé au-dessus du disque rotatif 4 et comportant des ouvertures formant un guichet 18 ayant la forme du motif 15. Le guichet 18 coopère avec un motif 19 identique au motif 16 mais se présentant sous la forme d'un dessin imprimé sur la surface supérieure du disque rotatif 4. Cette variante ne nécessite pas de filtres polarisants, chaque caractère étant affiché par des parties de pistes et des segments transversaux du motif 19 visibles à travers le guichet 18. Toutefois, elle ne permet pas de révéler par transparence le mouvement horloger.In a variant of the display according to this second embodiment, illustrated in FIG. figure 13 the mirror 1 is replaced by a dial 17 located above the rotary disc 4 and having openings forming a window 18 having the shape of the pattern 15. The aperture 18 cooperates with a pattern 19 identical to the pattern 16 but presented in the This variant does not require polarizing filters, each character being displayed by portions of tracks and transverse segments of the pattern 19 visible through the aperture 18. However, it does not require polarizing filters. does not allow to reveal by transparency the watch movement.

Les deux modes de réalisation de l'invention, et leurs variantes, ont été décrits ci-dessus à titre d'exemple uniquement. Il apparaîtra clairement à l'homme du métier que des modifications peuvent être faites sans sortir du cadre de l'invention revendiquée.Both embodiments of the invention, and their variants, have been described above by way of example only. It will be apparent to those skilled in the art that modifications can be made without departing from the scope of the claimed invention.

Par exemple, le nombre de segments verticaux définissant chaque côté des motifs 3 et 15 pourrait être supérieur à deux, par exemple égal à quatre. Dans ce cas, comme pour les segments a, b, respectivement c, d, ou m, n, respectivement o, p, ces segments seraient décalés les uns par rapport aux autres dans la direction circulaire autour de l'axe 5a, ainsi que radialement.For example, the number of vertical segments defining each side of the patterns 3 and 15 could be greater than two, for example equal to four. In this case, as for the segments a, b, respectively c, d, or m, n, respectively o, p, these segments would be offset with respect to each other in the circular direction about the axis 5a, as well as radially.

On pourrait aussi remplacer le disque rotatif 4 par un organe se déplaçant linéairement, tel qu'une bande sans fin, pour permettre aux motifs 3, 15 d'avoir une forme droite, c'est-à-dire des segments verticaux droits et décalés les uns par rapport aux autres dans la direction qui leur est orthogonale et des segments horizontaux orientés suivant ladite direction orthogonale. Dans ce cas, bien entendu, les pistes k, t avec leurs interruptions I, u seraient droites et non plus circulaires.The rotary disk 4 could also be replaced by a linearly moving member, such as an endless belt, to allow the patterns 3, 15 to have a straight shape, that is to say upright and offset vertical segments. relative to each other in the direction orthogonal to them and horizontal segments oriented in said orthogonal direction. In this case, of course, the tracks k, t with their interrupts I, u would be straight and no longer circular.

Dans d'autres variantes, on pourrait remplacer le miroir 1 par un support transparent et placer un éclairage sous ce dernier.In other variants, one could replace the mirror 1 with a transparent support and place a lighting under the latter.

Enfin, la présente invention n'est pas limitée au domaine de l'horlogerie mais peut trouver des applications partout où un affichage numérique mécanique est souhaité.Finally, the present invention is not limited to the field of watchmaking but can find applications wherever a mechanical digital display is desired.

Claims (13)

Afficheur numérique mécanique à segments, caractérisé en ce qu'il comprend : - un premier organe (1) comprenant un premier motif (3 ; 15) comprenant des segments dits « verticaux » (a-d ; m-p) orientés suivant une direction prédéterminée et définissant deux côtés opposés du motif (3 ; 15) et des segments dits « horizontaux » (e-g ; q-s) orientés orthogonalement à la direction prédéterminée, chacun desdits côtés étant défini par au moins deux segments verticaux décalés l'un par rapport à l'autre à la fois suivant la direction prédéterminée et orthogonalement à la direction prédéterminée, - un deuxième organe (4) comprenant un deuxième motif (6 ; 16) comprenant des pistes interrompues (k ; t) associées respectivement aux segments verticaux (a-d ; m-p) et des éléments (k ; v) associés aux segments horizontaux (e-g ; q-s),
et en ce que : - les premier et deuxième organes (1 ; 4) sont superposés de sorte que les premier et deuxième motifs (3, 6 ; 15, 16) se chevauchent, - les premier et deuxième motifs (3, 6 ; 15, 16) sont agencés pour que leurs zones de chevauchement soient visibles à l'utilisateur et que leurs zones de non chevauchement soient invisibles ou moins visibles, et - les premier et deuxième organes (1, 4) peuvent être déplacés l'un par rapport à l'autre suivant la direction prédéterminée pour afficher successivement différents caractères par différentes configurations de chevauchement entre les premier et deuxième motifs (3, 6 ; 15, 16). Mechanical digital segment display, characterized in that it comprises: a first member (1) comprising a first pattern (3; 15) comprising so-called "vertical" segments (ad; mp) oriented in a predetermined direction and defining two opposite sides of the pattern (3; 15) and segments referred to as " horizontal "(eg; qs) oriented orthogonal to the predetermined direction, each of said sides being defined by at least two vertical segments offset from each other both in the predetermined direction and orthogonal to the predetermined direction, a second member (4) comprising a second pattern (6; 16) comprising interrupted tracks (k; t) respectively associated with the vertical segments (ad; mp) and elements (k; v) associated with the horizontal segments (eg; qs)
and in that : the first and second members (1; 4) are superimposed so that the first and second patterns (3, 6; 15, 16) overlap, the first and second patterns (3, 6; 15, 16) are arranged so that their areas of overlap are visible to the user and that their areas of non-overlap are invisible or less visible, and the first and second members (1, 4) can be moved relative to one another in the predetermined direction to successively display different characters by different overlap configurations between the first and second patterns (3, 6; 16). Afficheur selon la revendication 1, caractérisé en ce que les segments horizontaux (e, f, g) sont interrompus pour définir chacun des parties de segment (h, i, j), les parties de segment de chaque segment horizontal étant décalées par rapport aux parties de segment des autres segments horizontaux orthogonalement à la direction prédéterminée, et lesdits éléments du deuxième motif (6) sont des pistes interrompues (k) qui sont situées entre les pistes (k) associées aux segments verticaux (a, b) de l'un desdits côtés du premier motif (3) et les pistes (k) associées aux segments verticaux (c, d) de l'autre côté du premier motif (3) et qui sont associées respectivement aux parties de segment (h, i, j).A display according to claim 1, characterized in that the horizontal segments (e, f, g) are interrupted to define each of the segment portions (h, i, j), the segment portions of each horizontal segment being offset from the segment portions of the other horizontal segments orthogonal to the predetermined direction, and said elements of the second pattern (6) are interrupted tracks (k) which are located between the tracks (k) associated with the vertical segments (a, b) of one of said sides of the first pattern (3) and the tracks (k) associated with the vertical segments (c, d) on the other side of the first pattern (3) and which are respectively associated with the segment parts ( h, i, j). Afficheur selon la revendication 2, caractérisé en ce que les premier et deuxième motifs (3, 6) sont agencés pour que chaque caractère reste complètement affiché pendant une première phase puis se transforme progressivement en le caractère suivant pendant une deuxième phase, lors d'un mouvement relatif continu des premier et deuxième organes (1, 4).Display according to Claim 2, characterized in that the first and second patterns (3, 6) are arranged so that each character remains completely displayed during a first phase and then progressively turns into the following character during a second phase, during a second phase. continuous relative movement of the first and second members (1, 4). Afficheur selon la revendication 2 ou 3, caractérisé en ce qu'il comprend en outre un élément de correction optique (7) pour produire une image du caractère affiché dans laquelle les parties correspondant aux segments horizontaux (e, f, g) sont continues.A display according to claim 2 or 3, characterized in that it further comprises an optical correction element (7) for producing an image of the displayed character in which the portions corresponding to the horizontal segments (e, f, g) are continuous. Afficheur selon la revendication 1, caractérisé en ce que lesdits éléments du deuxième motif (16) sont des segments transversaux (v) situés chacun en regard d'un segment horizontal (q, r, s) du premier motif (15) dans l'une d'une succession de positions relatives discrètes prédéterminées des premier et deuxième organes (1, 4) correspondant auxdites différentes configurations de chevauchement.Display according to claim 1, characterized in that said elements of the second pattern (16) are transverse segments (v) each located opposite a horizontal segment (q, r, s) of the first pattern (15) in the one of a succession of predetermined discrete relative positions of the first and second members (1, 4) corresponding to said different overlapping configurations. Afficheur selon la revendication 5, caractérisé en ce que les pistes (t) et les segments transversaux (v) du deuxième motif (16) définissent des caractères qui se chevauchent dans la direction prédéterminée.Display according to claim 5, characterized in that the tracks (t) and the transverse segments (v) of the second pattern (16) define characters which overlap in the predetermined direction. Afficheur selon la revendication 5 ou 6, caractérisé en ce que les segments horizontaux (q, r, s) du premier motif (15) et les segments transversaux (v) du deuxième motif (16) sont continus.Display according to claim 5 or 6, characterized in that the horizontal segments (q, r, s) of the first pattern (15) and the transverse segments (v) of the second pattern (16) are continuous. Afficheur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la direction prédéterminée est circulaire.Display according to any one of claims 1 to 7, characterized in that the predetermined direction is circular. Afficheur selon la revendication 8, caractérisé en ce qu'il comprend en outre un élément de correction optique (8) pour produire une image du caractère affiché qui ait une forme droite.A display according to claim 8, characterized in that it further comprises an optical correction element (8) for producing an image of the displayed character which has a straight shape. Afficheur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le premier organe (1) est fixe et le deuxième organe (4) est mobile suivant la direction prédéterminée.Display according to any one of claims 1 to 9, characterized in that the first member (1) is fixed and the second member (4) is movable in the predetermined direction. Afficheur selon l'une quelconque des revendications 1 à 10, caractérisé en ce que les premier et deuxième motifs (3, 6) sont définis respectivement par des premier et deuxième filtres polarisants dont les polarisations respectives sont orthogonales dans leurs zones de chevauchement.Display according to any one of claims 1 to 10, characterized in that the first and second patterns (3, 6) are respectively defined by first and second polarizing filters whose respective polarizations are orthogonal in their overlapping areas. Afficheur selon la revendication 11, caractérisé en ce que le premier organe (1) est un miroir et le deuxième organe (4) est situé au-dessus du miroir et est transparent.Display according to claim 11, characterized in that the first member (1) is a mirror and the second member (4) is located above the mirror and is transparent. Afficheur selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le premier motif est un guichet (13 ; 18) formé dans le premier organe (12 ; 17) et le deuxième motif (14 ; 19) est un dessin imprimé sur le deuxième organe (4) et situé au-dessous du guichet.Display according to any one of claims 1 to 10, characterized in that the first pattern is a window (13; 18) formed in the first member (12; 17) and the second pattern (14; 19) is a printed pattern on the second member (4) and located below the wicket.
EP09290681A 2009-09-08 2009-09-08 Mechanical digital display Not-in-force EP2293156B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP09290681A EP2293156B1 (en) 2009-09-08 2009-09-08 Mechanical digital display
AT09290681T ATE545072T1 (en) 2009-09-08 2009-09-08 MECHANICAL DIGITAL DISPLAY
PCT/IB2010/002217 WO2011030202A1 (en) 2009-09-08 2010-09-07 Mechanical digital display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09290681A EP2293156B1 (en) 2009-09-08 2009-09-08 Mechanical digital display

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EP2293156A1 true EP2293156A1 (en) 2011-03-09
EP2293156B1 EP2293156B1 (en) 2012-02-08

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EP (1) EP2293156B1 (en)
AT (1) ATE545072T1 (en)
WO (1) WO2011030202A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709016A1 (en) * 2013-12-20 2015-06-30 Michel Lacroix-Gachet watch movement including a digital display mechanism.

Citations (8)

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Publication number Priority date Publication date Assignee Title
CH150975A (en) 1930-06-12 1931-11-30 Baer Hans Clock.
US3266033A (en) * 1962-11-23 1966-08-09 Stanford Research Inst Display panel having stationary and movable polarizing elements
CH568600B5 (en) 1972-05-26 1975-10-31 Tissot Chs Fabrique D Horloger
US4017154A (en) 1973-12-25 1977-04-12 Kabushiki Kaisha Seikosha Display device
CH592907B5 (en) * 1974-07-12 1977-11-15 Ebauches Bettlach Sa
DE9405308U1 (en) * 1994-03-29 1994-08-04 Beck Nikolaus Handless display means for clocks
WO2007048487A2 (en) 2005-10-28 2007-05-03 Frederic Piguet S.A. Digital display timepiece
EP1906266A1 (en) 2006-09-28 2008-04-02 De Grisogono S.A. Mechanical digital display

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH150975A (en) 1930-06-12 1931-11-30 Baer Hans Clock.
US3266033A (en) * 1962-11-23 1966-08-09 Stanford Research Inst Display panel having stationary and movable polarizing elements
CH568600B5 (en) 1972-05-26 1975-10-31 Tissot Chs Fabrique D Horloger
US4017154A (en) 1973-12-25 1977-04-12 Kabushiki Kaisha Seikosha Display device
CH592907B5 (en) * 1974-07-12 1977-11-15 Ebauches Bettlach Sa
DE9405308U1 (en) * 1994-03-29 1994-08-04 Beck Nikolaus Handless display means for clocks
WO2007048487A2 (en) 2005-10-28 2007-05-03 Frederic Piguet S.A. Digital display timepiece
EP1906266A1 (en) 2006-09-28 2008-04-02 De Grisogono S.A. Mechanical digital display

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709016A1 (en) * 2013-12-20 2015-06-30 Michel Lacroix-Gachet watch movement including a digital display mechanism.

Also Published As

Publication number Publication date
EP2293156B1 (en) 2012-02-08
WO2011030202A1 (en) 2011-03-17
ATE545072T1 (en) 2012-02-15

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