EP1033635A1 - Article such as a watch or clock with analog display and sundial-like dial - Google Patents

Article such as a watch or clock with analog display and sundial-like dial Download PDF

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Publication number
EP1033635A1
EP1033635A1 EP00400568A EP00400568A EP1033635A1 EP 1033635 A1 EP1033635 A1 EP 1033635A1 EP 00400568 A EP00400568 A EP 00400568A EP 00400568 A EP00400568 A EP 00400568A EP 1033635 A1 EP1033635 A1 EP 1033635A1
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Prior art keywords
dial
light
plane
matter
subject
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German (de)
French (fr)
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Olivier Bensimon
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Individual
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    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00Indicating the time optically by electric means
    • G04C17/02Indicating the time optically by electric means by electric lamps

Definitions

  • the invention relates to objects such as watches or clocks, intended for give an indication of the time.
  • the time indicator means comprises one or more needles driven in a continuous rotational movement in front graduations formed around the entire circumference of the dial.
  • One of the aims of the invention is to propose a new type of means hour indicator without hands allowing, as we will see, to combine classicism and the timelessness of a type dial sundial with modernism resulting from the use of optoelectronic components such as laser diodes or light emitting diodes.
  • the indicating means comprises, in itself known manner, a mechanism rotary clock, a flat dial and a time indicator driven by the clockwork mechanism and movable relative to the dial, the indicating means comprising at least one light source capable of producing a light ray and the clock mechanism being a mechanism able to rotate the light source, or one of the light sources, so as to sweep the circumference or an angular sector of the dial.
  • the light ray which is projected in a parallel plane in the plane of the dial or substantially coincident with it, is a radius grazing visualized on the surface of the dial.
  • FIG. 1 is a front view of an embodiment implementing the teachings of the invention, in the case of a wristwatch.
  • FIG. 2 is a schematic sectional view, along II-II of FIG. 1, this debt even wristwatch.
  • reference 10 generally designates an example wristwatch according to the invention.
  • Watch 10 has a flat dial 12 with a solid surface bearing a certain number of engraved time marks 14.
  • the time marks 14 are markings of the "sundial" type radiating from a central axis 16 over a range of about 120 ° and angularly spaced evenly to cover an expanse of time corresponding to twelve hours (i.e. a revolution of the dial of a traditional needle watch).
  • This dial 12 is mounted on a case connected by fasteners 18 to a bracelet 20.
  • the housing carries a button 22, for example arranged on the side or in part superior.
  • This button performs a dual function, setting the time mechanical (by rotation, in the same way as an adjustment knob traditional needle watch) and time display, by pressing like a push button; we will see that, for reasons of the service life of the power source, the time display is not not permanent and must be controlled by the user.
  • Button 22 when thus acts as a push button, controls the ignition of a light source 24, for example a laser diode, a light emitting diode or other similar electronic component.
  • Diode 24 is not visible from the outside: it is obscured by a cover 26, which is here a circular flat cover with an axis 16, driven in continuous rotation by a clockwork mechanism 28, which can be a classic movement for example powered by a battery 30 which will also provide its energy at diode 24 during the lighting periods thereof.
  • the cover 26 On its peripheral wall, the cover 26 is provided with three equidistant orifices 32 configured so that one and only one port is always directed towards the angular sector bearing the marks 14. The latter orifice will thus project a light ray 34, which will be a grazing ray whose trace will be visible on the surface of the dial 12.
  • the orifices 32 can possibly be provided with a concentration lens allowing to obtain a radius 34 of greater finesse.
  • the radius 34 will thus scan the 120 ° of the angular sector bearing the marks 14. Once arrived at the end of this sector, the orifice 32 which projects the light ray will be hidden in region 36 of a shoulder slightly raised in relation to the surface of the dial 12. at this moment, the next orifice 32 will, for its part, leave this same shoulder in region 38 at the start of the sector marked 14 and take over from the previous port 32.
  • a single light source 24 capped with a rotating light trap 26 can provide three independent sources directly mounted on the hood mobile 26, placed at the location of the orifices 32 and directed so to project the radius 34 in the radial plane of the dial 12 or in a plane very close to it. It is possible to either hide two of the three sources luminous in the same way that two of the orifices 32 of the light trap by the shoulders 36, 38, or, as a variant, controlling activating the sources so that only one of them emits light, the other two remain inactive.
  • the light source produced a grazing ray in a plane parallel to the plane of the dial 12, very close or confused with it.
  • This grazing ray forms a luminous trace on the full surface of the dial, thus visualizing the orientation of the ray by relation to the time marks formed by the marks 14.
  • the dial has a closed volume filled with a gas chosen so as to visualize the path of the ray within this gas, for example (but not limited to) by choosing for the gas a fluorescent substance and for the light source a source emitting in the ultraviolet range.
  • the dial instead of being a solid dial, comprises a grid illuminated from below by the light ray 34.
  • This grid some points of which will be struck by the light ray, thus goes allow to visualize the path of the latter and therefore its angular position with respect to the marks 14 which can be formed either on the grid, either on a solid surface located below it.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

Watch (10) has rotational watch mechanism (28), flat dial (12) and indicator. Knob (22) switches on light source, diode (24), kept under lid (26). Lid has 3 apertures (32) with always one projecting light beam (34). Beam is projected to plan parallel to dial with trace visible on dial (12). Mechanism makes diode rotate so as to scan angular zone of dial with radial markings (14) as on sundial.

Description

L'invention concerne les objets tels que montres ou pendules, destinés à donner une indication de l'heure.The invention relates to objects such as watches or clocks, intended for give an indication of the time.

Elle concerne plus précisément les montres ou pendules dites "à affichage analogique", c'est-à-dire comportant un mécanisme horloger rotatif (qui peut être à pile ou à remontage mécanique), un cadran plat et un moyen indicateur de l'heure entraíné par le mécanisme horloger et mobile par rapport au cadran.It relates more precisely to watches or pendulums known as "with display analog ", that is to say with a rotating clock mechanism (which can be battery or mechanical), a flat dial and a time indicator means driven by the clock and mobile mechanism relative to the dial.

Traditionnellement, le moyen indicateur de l'heure comporte une ou plusieurs aiguilles entraínées dans un mouvement de rotation continu devant des graduations formées sur toute la circonférence du cadran.Traditionally, the time indicator means comprises one or more needles driven in a continuous rotational movement in front graduations formed around the entire circumference of the dial.

L'un des buts de l'invention est de proposer un nouveau type de moyen indicateur de l'heure dépourvu d'aiguilles permettant, comme on le verra, d'associer le classicisme et le caractère intemporel d'un cadran de type cadran solaire au modernisme résultant de l'utilisation de composants optoélectroniques tels que diodes laser ou diodes électroluminescentes.One of the aims of the invention is to propose a new type of means hour indicator without hands allowing, as we will see, to combine classicism and the timelessness of a type dial sundial with modernism resulting from the use of optoelectronic components such as laser diodes or light emitting diodes.

Le moyen indicateur comporte, de manière en elle-même connue, un mécanisme horloger rotatif, un cadran plat et un moyen indicateur de l'heure entraíné par le mécanisme horloger et mobile par rapport au cadran, le moyen indicateur comportant au moins une source lumineuse apte à produire un rayon lumineux et le mécanisme horloger étant un mécanisme apte à faire tourner la source lumineuse, ou l'une des sources lumineuses, de manière à balayer la circonférence ou un secteur angulaire du cadran.The indicating means comprises, in itself known manner, a mechanism rotary clock, a flat dial and a time indicator driven by the clockwork mechanism and movable relative to the dial, the indicating means comprising at least one light source capable of producing a light ray and the clock mechanism being a mechanism able to rotate the light source, or one of the light sources, so as to sweep the circumference or an angular sector of the dial.

Selon l'invention, le rayon lumineux, qui est projeté dans un plan parallèle au plan du cadran ou sensiblement confondu avec celui-ci, est un rayon rasant visualisé sur la surface du cadran.According to the invention, the light ray, which is projected in a parallel plane in the plane of the dial or substantially coincident with it, is a radius grazing visualized on the surface of the dial.

Selon un certain nombre de caractéristiques subsidiaires avantageuses de l'invention :

  • l'angle d'ouverture du secteur angulaire du cadran est d'environ 360/N degrés, et il est prévu N sources lumineuses, ainsi que des moyens pour occulter ou éteindre les N-1 sources non tournées vers le secteur angulaire du cadran ;
  • la source lumineuse, ou chaque source lumineuse, comporte un organe émetteur de lumière mobile monté sur un équipage entraíné par le mécanisme horloger ;
  • il est prévu un organe émetteur de lumière coopérant avec des moyens de guidage et de concentration de lumière entraínés en rotation par le mécanisme horloger, ces moyens captant la lumière émise par l'organe émetteur de lumière et la dirigeant vers une sortie de lumière formant ladite source lumineuse, ou vers une pluralité de sorties de lumière formant chacune l'une desdites sources lumineuses ;
  • dans ce dernier cas, les moyens de guidage et de concentration de lumière peuvent notamment comporter un capot circulaire d'axe perpendiculaire au plan du cadran et occultant l'organe émetteur de lumière, ce capot étant muni latéralement sur sa paroi périphérique d'au moins un orifice formant ladite source de lumière et orienté en direction du plan du cadran, ce capot étant en outre entraíné en rotation autour de son axe par le mécanisme horloger.
According to a certain number of advantageous subsidiary features of the invention:
  • the angle of opening of the angular sector of the dial is approximately 360 / N degrees, and there are provided N light sources, as well as means for occulting or extinguishing the N-1 sources not turned towards the angular sector of the dial;
  • the light source, or each light source, comprises a movable light emitting member mounted on a crew driven by the clockwork mechanism;
  • there is provided a light emitting member cooperating with means for guiding and concentrating light driven in rotation by the clock mechanism, these means capturing the light emitted by the light emitting member and directing it towards a light outlet forming said light source, or to a plurality of light outputs each forming one of said light sources;
  • in the latter case, the means for guiding and concentrating light may in particular comprise a circular cover with an axis perpendicular to the plane of the dial and obscuring the light-emitting member, this cover being provided laterally on its peripheral wall with at least an orifice forming said light source and oriented in the direction of the plane of the dial, this cover being further driven in rotation about its axis by the clockwork mechanism.

Le cadran porte avantageusement une série de marquages radiaux de type cadran solaire, et il peut se présenter sous diverses formes, notamment :

  • le cadran comporte une surface pleine et le rayon lumineux rasant est projeté dans un plan sensiblement confondu avec le plan du cadran ; ou bien
  • le cadran comporte un volume fermé rempli d'un gaz apte à coopérer avec le rayon lumineux rasant, de manière à visualiser le trajet de celui-ci au sein du gaz ; ou encore
  • le cadran comporte une surface formée d'une grille disposée de façon à coopérer avec le rayon lumineux rasant, de manière à visualiser le trajet de celui-ci par éclairement de points de la grille.
The dial advantageously carries a series of radial markings of the sundial type, and it can take various forms, in particular:
  • the dial has a solid surface and the grazing light ray is projected into a plane substantially coincident with the plane of the dial; or
  • the dial has a closed volume filled with a gas capable of cooperating with the grazing light ray, so as to visualize the path of the latter within the gas; or
  • the dial has a surface formed by a grid arranged so as to cooperate with the grazing light ray, so as to visualize the path of the latter by lighting up points on the grid.

On va maintenant décrire un exemple de mise en oeuvre de l'invention, en référence aux dessins annexés.We will now describe an example of implementation of the invention, in reference to the accompanying drawings.

La figure 1 est une vue de face d'un mode de réalisation mettant en oeuvre les enseignements de l'invention, dans le cas d'une montre-bracelet. La figure 2 est une vue en coupe schématique, selon II-II de la figure 1, ce dette même montre-bracelet. Figure 1 is a front view of an embodiment implementing the teachings of the invention, in the case of a wristwatch. FIG. 2 is a schematic sectional view, along II-II of FIG. 1, this debt even wristwatch.

Sur les figures, ou les mêmes références numériques désignent des éléments identiques, la référence 10 désigne de façon générale un exemple de montre-bracelet selon l'invention.In the figures, or the same reference numerals designate elements identical, reference 10 generally designates an example wristwatch according to the invention.

Comme on le comprendra, le choix d'une montre-bracelet n'est bien entendu pas limitatif, l'invention pouvant être immédiatement transposée à d'autres objets tels que pendulettes, pendules murales, etc. On verra également que dans l'exemple illustré, on décrit un certain nombre de détails de réalisation qui ne sont pas limitatifs et peuvent faire l'objet de diverses variantes à la portée de l'homme de l'art qui seront évoquées en fin de description.As will be understood, the choice of a wristwatch is of course not limiting, the invention can be immediately transposed to other objects such as clocks, wall clocks, etc. We will also see that in the example illustrated, we describe a certain number of details which are not limiting and can be the subject of various variants within the reach of ordinary skill in the art which will be discussed at the end of description.

La montre 10 comporte un cadran plat 12 avec une surface pleine portant un certain nombre de repères temporels gravés 14. Dans l'exemple illustré, les repères temporels 14 sont des marquages de type "cadran solaire" rayonnant depuis un axe central 16 sur une étendue d'environ 120° et angulairement espacés de façon régulière pour couvrir une étendue de temps correspondant à douze heures (c'est-à-dire un tour de cadran d'une montre traditionnelle à aiguilles).Watch 10 has a flat dial 12 with a solid surface bearing a certain number of engraved time marks 14. In the example illustrated, the time marks 14 are markings of the "sundial" type radiating from a central axis 16 over a range of about 120 ° and angularly spaced evenly to cover an expanse of time corresponding to twelve hours (i.e. a revolution of the dial of a traditional needle watch).

Ce cadran 12 est monté sur un boítier relié par des attaches 18 à un bracelet 20.This dial 12 is mounted on a case connected by fasteners 18 to a bracelet 20.

Le boítier porte un bouton 22, par exemple disposé sur le côté ou en partie supérieure. Ce bouton assure une double fonction, de mise à l'heure mécanique (par rotation, de la même manière qu'un bouton de réglage d'une montre à aiguilles traditionnelle) et d'affichage de l'heure, par appui à la manière d'un bouton-poussoir ; on verra en effet que, pour des raisons de durée de vie de la source d'énergie, l'affichage de l'heure n'est pas permanent et doit être commandé par l'utilisateur. Le bouton 22, lorsqu'il fait ainsi fonction de bouton-poussoir, commande l'allumage d'une source lumineuse 24, par exemple une diode laser, une diode électroluminescente ou autre composant électronique analogue.The housing carries a button 22, for example arranged on the side or in part superior. This button performs a dual function, setting the time mechanical (by rotation, in the same way as an adjustment knob traditional needle watch) and time display, by pressing like a push button; we will see that, for reasons of the service life of the power source, the time display is not not permanent and must be controlled by the user. Button 22, when thus acts as a push button, controls the ignition of a light source 24, for example a laser diode, a light emitting diode or other similar electronic component.

La diode 24 n'est pas visible de l'extérieur : elle est occultée par un capot 26, qui est ici un capot plat circulaire d'axe 16, entraíné en rotation continue par un mécanisme horloger 28, qui peut être un mouvement classique par exemple alimenté par une pile 30 qui fournira également son énergie à la diode 24 pendant les périodes d'allumage de celle-ci. Le capot 26, qui occulte la diode de l'extérieur, forme de l'intérieur un piège à lumière, grâce une surface intérieure réfléchissante.Diode 24 is not visible from the outside: it is obscured by a cover 26, which is here a circular flat cover with an axis 16, driven in continuous rotation by a clockwork mechanism 28, which can be a classic movement for example powered by a battery 30 which will also provide its energy at diode 24 during the lighting periods thereof. The cover 26, which obscures the diode from the outside, forms a trap from the inside to light, thanks to a reflective interior surface.

Sur sa paroi périphérique, le capot 26 est muni de trois orifices équidistants 32 configurés de sorte qu'un, et un seul, des orifices se trouve toujours dirigé vers le secteur angulaire portant les repères 14. Ce dernier orifice va ainsi projeter un rayon lumineux 34, qui sera un rayon rasant dont la trace sera visible sur la surface du cadran 12. Les orifices 32 peuvent être éventuellement pourvus d'une lentille de concentration permettant d'obtenir une rayon 34 de plus grande finesse.On its peripheral wall, the cover 26 is provided with three equidistant orifices 32 configured so that one and only one port is always directed towards the angular sector bearing the marks 14. The latter orifice will thus project a light ray 34, which will be a grazing ray whose trace will be visible on the surface of the dial 12. The orifices 32 can possibly be provided with a concentration lens allowing to obtain a radius 34 of greater finesse.

Au fil du temps, le rayon 34 va ainsi balayer les 120° du secteur angulaire portant les repères 14. Une fois arrivé à la fin de ce secteur, l'orifice 32 qui projette le rayon lumineux va se trouver occulté dans la région 36 d'un épaulement légèrement rehaussé par rapport à la surface du cadran 12. À ce moment, l'orifice 32 suivant va, quant à lui, quitter ce même épaulement dans la région 38 au début du secteur portant les repères 14 et prendre ainsi le relais de l'orifice 32 précédent.Over time, the radius 34 will thus scan the 120 ° of the angular sector bearing the marks 14. Once arrived at the end of this sector, the orifice 32 which projects the light ray will be hidden in region 36 of a shoulder slightly raised in relation to the surface of the dial 12. at this moment, the next orifice 32 will, for its part, leave this same shoulder in region 38 at the start of the sector marked 14 and take over from the previous port 32.

Cette solution technique consistant, pour balayer un secteur angulaire de 120°, à utiliser trois orifices régulièrement répartis angulairement dont deux sont occultés et l'un est apparent permet, comme on l'a compris, de transformer le mouvement de rotation continu du capot 26 en un mouvement de balayage discontinu du secteur portant les repères 14.This technical solution consisting, to scan an angular sector of 120 °, to use three regularly angularly distributed orifices of which two are hidden and one is apparent allows, as we have understood, to transform the continuous rotational movement of the cover 26 into a movement discontinuous scanning of the sector bearing the marks 14.

Cette solution n'est pas limitative : dans une variante, au lieu d'une unique source lumineuse 24 coiffée d'un piège à lumière tournant 26, on peut prévoir trois sources indépendantes directement montées sur le capot mobile 26, disposées à l'endroit des orifices 32 et dirigées de manière à projeter le rayon 34 dans le plan radial du cadran 12 ou dans un plan très voisin de celui-ci. Il est possible soit d'occulter deux des trois sources lumineuses de la même manière que l'on occultait deux des orifices 32 du piège à lumière par les épaulements 36, 38, soit, en variante, de contrôler l'activation des sources pour qu'une seule d'entre elle émette de la lumière, les deux autres restant inactives.This solution is not limiting: in a variant, instead of a single light source 24 capped with a rotating light trap 26, can provide three independent sources directly mounted on the hood mobile 26, placed at the location of the orifices 32 and directed so to project the radius 34 in the radial plane of the dial 12 or in a plane very close to it. It is possible to either hide two of the three sources luminous in the same way that two of the orifices 32 of the light trap by the shoulders 36, 38, or, as a variant, controlling activating the sources so that only one of them emits light, the other two remain inactive.

Dans le mode de réalisation que l'on a décrit, la source lumineuse produit un rayon rasant dans un plan parallèle au plan du cadran 12, très proche ou confondu avec celui-ci. Ce rayon rasant forme une trace lumineuse sur la surface pleine du cadran, visualisant ainsi l'orientation du rayon par rapport aux repères temporels formés par les repères 14.In the embodiment which has been described, the light source produced a grazing ray in a plane parallel to the plane of the dial 12, very close or confused with it. This grazing ray forms a luminous trace on the full surface of the dial, thus visualizing the orientation of the ray by relation to the time marks formed by the marks 14.

Dans une variante de réalisation, le cadran comporte un volume fermé rempli d'un gaz choisi de manière à visualiser le trajet du rayon au sein de ce gaz, par exemple (mais de façon non limitative) en choisissant pour le gaz une substance fluorescente et pour la source lumineuse une source émettant dans le domaine de l'ultraviolet.In an alternative embodiment, the dial has a closed volume filled with a gas chosen so as to visualize the path of the ray within this gas, for example (but not limited to) by choosing for the gas a fluorescent substance and for the light source a source emitting in the ultraviolet range.

Dans une autre variante encore, le cadran, au lieu d'être un cadran plein, comporte une grille éclairée du dessous par le rayon lumineux 34. Cette grille, dont certains points vont être frappés par le rayon lumineux, va ainsi permettre de visualiser le trajet de ce dernier et donc sa position angulaire par rapport au repères 14 qui peuvent être formés soit sur la grille, soit sur une surface pleine située au-dessous de celle-ci.In yet another variant, the dial, instead of being a solid dial, comprises a grid illuminated from below by the light ray 34. This grid, some points of which will be struck by the light ray, thus goes allow to visualize the path of the latter and therefore its angular position with respect to the marks 14 which can be formed either on the grid, either on a solid surface located below it.

Claims (9)

Un objet tel que montre ou pendule, comportant un mécanisme horloger rotatif, un cadran plat et un moyen indicateur de l'heure entraíné par le mécanisme horloger et mobile par rapport au cadran, le moyen indicateur comportant au moins une source lumineuse apte à produire un rayon lumineux (34) et le mécanisme horloger (28) étant un mécanisme apte à faire tourner la source lumineuse, ou l'une des sources lumineuses, de manière à balayer la circonférence ou un secteur angulaire du cadran, caractérisé en ce que le rayon lumineux (34) est projeté dans un plan parallèle au plan du cadran (12) ou sensiblement confondu avec celui-ci, ce rayon lumineux étant un rayon rasant visualisé sur la surface du cadran.An object such as a watch or pendulum, including a clockwork mechanism rotary, a flat dial and a time indicator means driven by the clockwork and mobile mechanism relative to the dial, the indicating means comprising at least one light source capable of producing a ray luminous (34) and the clock mechanism (28) being a mechanism capable of rotate the light source, or one of the light sources, so as to sweep the circumference or an angular sector of the dial, characterized in that the light ray (34) is projected in a parallel plane at the plane of the dial (12) or substantially coincident with it, this light ray being a grazing ray visualized on the surface of the dial. L'objet de la revendication 1, dans lequel l'angle d'ouverture du secteur angulaire du cadran est d'environ 360/N degrés, et en ce qu'il est prévu N sources lumineuses, ainsi que des moyens pour occulter ou éteindre les N-1 sources non tournées vers le secteur angulaire du cadran.The subject matter of claim 1, wherein the opening angle of the sector angular of the dial is about 360 / N degrees, and in that it is expected N light sources, as well as means to conceal or extinguish them N-1 sources not turned towards the angular sector of the dial. L'objet de la revendication 1, dans lequel la source lumineuse, ou chaque source lumineuse, comporte un organe émetteur de lumière mobile monté sur un équipage entraíné par le mécanisme horloger.The subject matter of claim 1, wherein the light source, or each light source, includes a mobile light emitting device mounted on a crew driven by the clockwork mechanism. L'objet de la revendication 1, dans lequel il est prévu un organe émetteur de lumière (24) coopérant avec des moyens de guidage et de concentration de lumière entraínés en rotation par le mécanisme horloger, ces moyens captant la lumière émise par l'organe émetteur de lumière et la dirigeant vers une sortie de lumière formant ladite source lumineuse, ou vers une pluralité de sorties de lumière formant chacune l'une desdites sources lumineuses.The subject-matter of claim 1, in which an emitting device is provided light (24) cooperating with guidance and concentration means of light driven in rotation by the clock mechanism, these means capturing the light emitted by the light emitting member and directing it towards a light outlet forming said light source, or to a plurality of light outlets each forming one of said light sources. L'objet de la revendication 4, dans lequel les moyens de guidage et de concentration de lumière comportent un capot circulaire (26) d'axe (16) perpendiculaire au plan du cadran (12) et occultant l'organe émetteur de lumière (24), ce capot étant muni latéralement sur sa paroi périphérique d'au moins un orifice (32) formant ladite source de lumière et orienté en direction du plan du cadran, ce capot étant en outre entraíné en rotation autour de son axe par le mécanisme horloger (28).The subject-matter of claim 4, in which the means for guiding and light concentration comprise a circular cover (26) with an axis (16) perpendicular to the plane of the dial (12) and obscuring the emitting member of light (24), this cover being provided laterally on its peripheral wall at least one orifice (32) forming said light source and oriented in direction of the dial plane, this cover being further rotated around its axis by the clockwork mechanism (28). L'objet de la revendication 1, dans lequel le cadran (12) porte une série de marquages radiaux (14) de type cadran solaire.The subject-matter of claim 1, wherein the dial (12) carries a series radial markings (14) of the sundial type. L'objet de la revendication 1, dans lequel le cadran (12) comporte une surface pleine et le rayon lumineux rasant (34) est projeté dans un plan sensiblement confondu avec le plan du cadran.The subject-matter of claim 1, wherein the dial (12) has a solid surface and the grazing light beam (34) is projected in a plane noticeably confused with the plane of the dial. L'objet de la revendication 1, dans lequel le cadran comporte un volume fermé rempli d'un gaz apte à coopérer avec le rayon lumineux rasant ,de manière à visualiser le trajet de celui-ci au sein du gaz.The subject-matter of claim 1, wherein the dial has a volume closed filled with a gas capable of cooperating with the grazing light ray , so as to visualize the path of the latter within the gas. L'objet de la revendication 1, dans lequel le cadran comporte une surface formée d'une grille disposée de façon à coopérer avec le rayon lumineux rasant, de manière à visualiser le trajet de celui-ci par éclairement de points de la grille.The subject matter of claim 1, wherein the dial has a surface formed of a grid arranged to cooperate with the light beam grazing, so as to visualize the path of it by illumination grid points.
EP00400568A 1999-03-03 2000-03-02 Article such as a watch or clock with analog display and sundial-like dial Withdrawn EP1033635A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9902635 1999-03-03
FR9902635A FR2790563B1 (en) 1999-03-03 1999-03-03 OBJECT SUCH AS A WATCH OR PENDULUM WITH ANALOGUE DISPLAY AND DIAL OF THE SUN DIAL TYPE

Publications (1)

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EP1033635A1 true EP1033635A1 (en) 2000-09-06

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EP (1) EP1033635A1 (en)
FR (1) FR2790563B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008007744U1 (en) 2008-04-08 2009-03-19 Dugi, Zelimir, Dipl.-Ing. watch

Citations (6)

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Publication number Priority date Publication date Assignee Title
US1989584A (en) * 1933-03-13 1935-01-29 Biedenfeld William Timepiece
JPS56154688A (en) * 1980-05-01 1981-11-30 Terubumi Honjo Light-beam timepiece
US4374623A (en) * 1980-05-05 1983-02-22 Simon Jerome H Light beam clock
JPH02184789A (en) * 1989-01-11 1990-07-19 Tomoyoshi Yanagisawa Opto-seconds hand
FR2742242A1 (en) * 1995-12-06 1997-06-13 Lebel Michel Henri Maurice Sun dial simulating device.
DE19629790A1 (en) * 1996-07-24 1998-05-07 Plaas Link Andreas Dr Rer Nat Measurement and visualisation of flow in fluids, esp. on vehicles, aircraft, ships

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1989584A (en) * 1933-03-13 1935-01-29 Biedenfeld William Timepiece
JPS56154688A (en) * 1980-05-01 1981-11-30 Terubumi Honjo Light-beam timepiece
US4374623A (en) * 1980-05-05 1983-02-22 Simon Jerome H Light beam clock
JPH02184789A (en) * 1989-01-11 1990-07-19 Tomoyoshi Yanagisawa Opto-seconds hand
FR2742242A1 (en) * 1995-12-06 1997-06-13 Lebel Michel Henri Maurice Sun dial simulating device.
DE19629790A1 (en) * 1996-07-24 1998-05-07 Plaas Link Andreas Dr Rer Nat Measurement and visualisation of flow in fluids, esp. on vehicles, aircraft, ships

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Title
PATENT ABSTRACTS OF JAPAN vol. 006, no. 038 (P - 105) 9 March 1982 (1982-03-09) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 465 (P - 1114) 9 October 1990 (1990-10-09) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008007744U1 (en) 2008-04-08 2009-03-19 Dugi, Zelimir, Dipl.-Ing. watch

Also Published As

Publication number Publication date
FR2790563B1 (en) 2001-05-04
FR2790563A1 (en) 2000-09-08

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