WO1999004321A1 - Timepiece with sensitive reading in braille - Google Patents

Timepiece with sensitive reading in braille Download PDF

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Publication number
WO1999004321A1
WO1999004321A1 PCT/FR1998/001574 FR9801574W WO9904321A1 WO 1999004321 A1 WO1999004321 A1 WO 1999004321A1 FR 9801574 W FR9801574 W FR 9801574W WO 9904321 A1 WO9904321 A1 WO 9904321A1
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WO
WIPO (PCT)
Prior art keywords
reading
stud
zone
rotation
dial
Prior art date
Application number
PCT/FR1998/001574
Other languages
French (fr)
Inventor
Mickael Michel Maurice Delmotte
Original Assignee
Delmotte Mickael Michel Mauric
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Delmotte Mickael Michel Mauric filed Critical Delmotte Mickael Michel Mauric
Priority to AU88125/98A priority Critical patent/AU8812598A/en
Publication of WO1999004321A1 publication Critical patent/WO1999004321A1/en

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B25/00—Indicating the time by other means or by combined means
    • G04B25/02—Indicating the time by other means or by combined means by feeling; Clocks or watches for blind persons

Definitions

  • the present invention relates to a chronometric instrument, of the watch, clock, pendulum type, intended more particularly for the blind or visually impaired. It relates more particularly to such a device for sensitive reading of hours and minutes in Braille.
  • the electromagnetic watch with sensitive reading proposed by document EP.522.644 overcomes this drawback, insofar as the sensitive reading is no longer carried out using indicator needles but using cylinders the lower part of which is fixed to internal blades which are designed to be operated by electromagnets in order to raise or lower said cylinders through holes made in two separate reading zones.
  • the hours are marked in the first zone and the minutes, with an interval of five minutes, in the second zone.
  • the projecting position of all or part of the cylinders of a given zone allowing, thanks to a particular codification described in this document EP.522.644, read the time for the first zone and each five minutes for the second zone.
  • This codification based on an adequate distribution of the four studs, corresponds to a combination totaling twelve possibilities.
  • this watch nevertheless presents two drawbacks for the user, namely to learn this new code and to lack precision concerning the reading of the minutes.
  • the aim set by the applicant is to propose a chronometric instrument, of the watch, clock or pendulum type, which overcomes the aforementioned drawbacks.
  • the dial has holes, distributed in reading zones, and four reading pads per zone which can be actuated in height, through said holes, between a first extended position and a second retracted position where they are respectively above and at or below the surface of the dial.
  • the chronometric instrument comprises two groups of two distinct and adjacent zones, the first group for reading the hours and the second for reading the minutes, and in each group the first zone for reading the tens and the second for reading the units; moreover, it includes, for each zone, a mechanism for actuating the height of the pads, controlled to allow an encrypted reading of the hours and minutes in Braille language.
  • the actuation mechanism in height of the studs comprises a rotary disc whose axis of rotation is offset from the center of symmetry of the area and which has four concentric tracks with portions in relief so that the lower part of each stud is applied to at least the raised portion (s) of a given track during the rotation of the disc, the corresponding stud adopting the first extended position or the second retracted position when its portion low applies or not on a raised portion.
  • the actuation in height of the pads is carried out not by electromechanical means using a blade / electromagnet system for each pad but thanks to a unique mechanical means which allows, during its rotation, to simultaneously activate the four pads of the same zone.
  • each stud is naturally held in the second retracted position by the action of a spring applying on the one hand to the internal face of the dial and on the other hand to a shoulder formed on the stud.
  • the spring compresses and the stud protrudes by a few tenths of a millimeter, preferably of the order of 0.5mm, above the outer face of the dial.
  • the spacing between the track in the portions which are not in relief and the external face of the dial is determined so that the upper part of the stud is substantially flush with the external face of the dial while the lower part of the stud has no or very little contact with the bottom of the track dedicated to it. This makes it possible to avoid as much as possible the friction of the lower part of the stud with the track when the stud is in the retracted position.
  • the lower part of the stud applying at least on the raised portions of the track is constituted by a bearing.
  • the rotary discs are rotated at the rate of one rotation for twelve hours for the first and the second disc corresponding to the two zones of the first group, a rotation in one hour for the third disc corresponding to the first zone of the second group and a rotation for ten minutes for the fourth disc corresponding to the second zone of the second group.
  • each of these discs is moved by a spring and gear drive device conventional in watchmaking.
  • FIG. 1 is a plan view of the dial of a watch with sensitive reading of the hours and minutes in Braille.
  • FIGS. 2 and 3 are schematic sectional representations of the system for improving the height of the studs, with the studs taken out in FIG. 2 and the stud retracted in FIG. 3.
  • FIG. 4 is a schematic plan view of the four discs with concentric track for actuation of the pads height.
  • watch 1 illustrated in FIG. 1 has a dial 2 which comprises four sensitive reading zones, grouped into two groups of two zones respectively the first group 7 of the two zones 3, 4 for reading hours and the second group 8 of the two zones 5, 6 for reading the minutes.
  • the first area respectively 3.5 relates to the reading of the tens and the second area respectively 4.6 the reading of the units.
  • the dial 2 is pierced with four holes 9 in which four studs 1 0 are provided, actuatable in height by an internal mechanism, placed under the dial and making it possible to move each stud enters a first extended position in which the stud 10 projects above the external face 2a of the dial 2 and a second retracted position in which the stud 1 0 is substantially flush with the external face 2a of the dial 2.
  • first extended position in which the stud 10 projects above the external face 2a of the dial 2
  • a second retracted position in which the stud 1 0 is substantially flush with the external face 2a of the dial 2.
  • the user By scanning with finger the external surface 2a of the dial 2, from left to right, the user passes his finger first over the first group 7 of the two zones 3, 4 for reading the hours, then over the second group 8 of the two zones 5.6 minutes reading.
  • the actuation mechanism in height of the pads 1 0 is controlled, as a function of time, so that the pads in the extended position give in each zone the corresponding figure in Braille.
  • the studs 10 are shown in the hatched out position, compared to the studs in the retracted position which are left blank. The user can read in Braille on the watch in Figure 1 that it is 1 OhO8.
  • the upper part 1a of the stud 10 In order for the user to be able to perceive the studs 1 0 in the extended position, it is preferable for the upper part 1a of the stud 10 to protrude above the external face 2a of the dial 2 by a height e_of the order 0.5mm.
  • FIGS. 2 and 3 show a mechanism for actuating the studs 1 0 in height.
  • This mechanism comprises, under the internal face 2b of the dial 2 and arranged under the stud 1 0, a surface, mounted in rotation, and having raised portions. More precisely, in the version which will now be described, this surface consists of a disc 1 1, a plane locally presenting raised portions 1 2.
  • the upper faces 1 1 a and 1 2a respectively of the disc 1 1 and raised portions are parallel to the external 2a and internal 2b faces of the dial 2.
  • the stud 1 0 is a cylindrical piece whose outside diameter is slightly less than the inside diameter of the hole 9. This hole 9 is extended beyond there internal face 2b of the dial 2 by an equally cylindrical extension 13. The outside diameter of the stud 1 0 is slightly less than the inside diameter of the cylindrical extension
  • the lower part 1 0b of the stud 1 0 has an annular shoulder
  • the lower part 1 Ob of the stud 1 0 is equipped with a bearing 1 5, rotating around its axis
  • a tension spring 1 7 is mounted between the internal face 2b of the dial 2 and the annular shoulder 14 of the lower part 1 Ob of the stud 10.
  • the bearing 1 5 is applied to the disc 1 1. If it is in contact with a raised portion 1 2 (FIG. 2), the spring 1 7 is compressed and the upper part 1 Oa of the stud 1 0 protrudes above the external face 2a of the dial 2. In the opposite case, that is to say when the bearing 1 5 is in contact with the external face 1 1 a of the disc 1 1, the spring 1 7 is relaxed and the upper part 1 Oa of the stud 1 0 is substantially flush with the external face 2a of the dial 2.
  • the two figures 2 and 3 illustrate the two positions taken out (figure 2) and re-entered (figure 3) that each of the studs can adopt when the disc 1 1 rotates.
  • the presence of the bearing 1 5 aims to limit the friction on the raised portions 1 2 so as to avoid wear of these over time.
  • the mounting of the spring 1 7 on the annular shoulder 14 can be designed so that in the relaxed position ( Figure 3) of the spring 1 7, the bearing 1 5 is not in contact or has only a very contact reduced with the external face 1 1 a of the disc 1 1 so as again to reduce the frictional forces.
  • portions 1 1 a which may optionally be formed by recessed portions with respect to the discs whose external face would be constituted by the raised portions 1 2.
  • Each disc 1 1 is provided with four concentric tracks each intended to actuate in height each of the four pads of the same area, according to the operation which has just been explained above.
  • the corresponding rotating disc is rotated at the rate of one rotation for twelve hours.
  • the raised portions 1 2 of the concentric tracks 1 8 are designed so that the studs represent in Braille the number O until the expiration of the ninth hour then the number 1 until the expiration of the eleventh 1 1.
  • Figure 4 there is shown in solid lines the raised portions of each concentric track and in dotted lines the other portions.
  • the change of digit occurs every hour, that is to say after an angular rotation of the disc 1 1 d 'an angle a of 36 X
  • the rotation of the corresponding disks 1 1 is carried out at the rate of a rotation in one hour for the zone 5 for reading tens of minutes and at the rate of one rotation in ten minutes for zone 6 for reading unit minutes.
  • the disc 1 1 corresponding to the zone 5 is designed to effect the change of digit (from O to 5) after an angular rotation of angle ⁇ of 60
  • the disc 1 1 corresponding to the zone 6 performs a change of digit (from O to 9) for an angular rotation of angle a of 36 X
  • the determination of the raised portions 1 2 of the four concentric tracks for a given angular displacement is relatively simple, when one knows the Braille language and that one has identified at which each pad of the substantially square arrangement corresponds to each of the concentric tracks.
  • the axis of rotation 18 of the rotary disc 1 1 has been offset with respect to the center of symmetry 1 9 of the substantially square arrangement of the four studs, so that the concentric tracks referenced 20 to 23 of the innermost track 20 to the outermost track 23 correspond respectively to the pad 24 at the bottom left in the Braille reading layout (track 20), at the top left 25 (track 21), at the bottom right 26 (track 22) and top right 27 (track 23).
  • the applicant has retained a layout of the pads which is rectangular, close to the square with a distance between the alignment of two pads forming the long side of the rectangle, for example the two horizontal pads which is slightly greater, for example 1 0 at 15%, at the distance between the alignment of two studs forming the short side of the rectangle, for example of the two vertical studs; this arrangement makes it possible to have the same spacing between the tracks and a spacing which is sufficient for the formation of the raised (or hollow) portions according to each track, taking into account the presence of the bearing.
  • the rotation of a single rotating disc makes it possible to actuate the four studs making it possible to decline from 0 to 9 all the figures according to the reading in Braille, thanks to the particular adaptation of the raised portions of the four concentric tracks.
  • the mechanism for rotating the four discs can be a conventional mechanism in watchmaking, with gear and spring even battery.
  • the rotating surface could be a cylindrical surface with an axis of rotation parallel to the dial.
  • the arrangement of the four substantially square studs referred to in the present text must be understood to be both a square arrangement and a provision which deviates slightly from the square, whether it is rectangular, trapezoidal or other.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Electromechanical Clocks (AREA)

Abstract

The invention concerns a timepiece with a dial plate comprising holes, distributed into reading zones, and four reading blocks per zone, adjustable in height through said holes between a first projecting position and a second retracted position where they are respectively above and level with (or below ) the dial plate surface. The holes are divided into two groups (7, 8) of two distinct adjacent zones (3, 4) and (5, 6), the first group (7) for reading hours and the second (8) for reading minutes, and in each group the first zone (3, 5) for reading the tens and the second (4, 6) for reading the units; for each zone (7, 8) a mechanism adjusting the height of the blocks is controlled for a Braille display in figures for reading hours and minutes.

Description

INSTRUMENT CHRONOMETRIQUE A LECTURE SENSITIVE CHRONOMETRIC INSTRUMENT WITH SENSITIVE READING
EN BRAILLEIN BRAILLE
La présente invention concerne un instrument chronométrique , du type montre , horloge, pendule, destiné plus particulièrement aux non-voyants ou aux mal-voyants. Elle concerne plus particulièrement un tel dispositif à lecture sensitive des heures et des minutes en Braille.The present invention relates to a chronometric instrument, of the watch, clock, pendulum type, intended more particularly for the blind or visually impaired. It relates more particularly to such a device for sensitive reading of hours and minutes in Braille.
Il existe des montres, à lecture tactile, pour aveugles qui comportent en plus des aiguilles classiques d'indication des heures et des minutes des éléments en relief par rapport au cadran permettant le repérage de l'emplacement desdites aiguilles par rapport audit cadran. L'inconvénient majeur de ce type d'instrument chronométrique réside dans la difficulté de repérer à la fois les aiguilles des heures et des minutes lorsque celles-ci sont sensiblement superposées. Cette difficulté est résolue par le document FR.844.588 qui propose un instrument chronométrique comportant deux cadrans, l'un avec une aiguille indicatrice des heures et l'autre avec une aiguille indicatrice des minutes. Malgré ce perfectionnement, il subsiste le risque pour l'utilisateur lorsqu'il déplace le doigt sur le cadran pour lire l'heure de manière tactile de déplacer l'une ou l'autre des aiguilles. La montre électromagnétique à lecture sensitive proposée par le document EP.522.644 résout cet inconvénient , dans la mesure où la lecture sensitive se fait non plus à l'aide d'aiguilles indicatrices mais à l'aide de cylindres dont la partie inférieure est fixée à des lames internes qui sont conçues pour être mises en oeuvre par des électroaimants afin de lever ou de baisser lesdits cylindres à travers des trous pratiqués dans deux zones de lecture distinctes. En fonctionnement les heures sont marquées dans la première zone et les minutes, avec un intervalle de cinq minutes, dans la seconde zone. Dans chaque zone sont prévus quatre trous pour l'actionnement de quatre cylindres, la position en saillie de tout ou partie des cylindres d'une zone donnée permettant , grâce à une codification particulière décrite dans ce document EP.522.644, de réaliser la lecture de l'heure pour la première zone et de chaque tranche de cinq minutes pour la seconde zone. Cette codification, basée sur une répartition adéquate des quatre plots, correspond à une combinaison totalisant douze possibilités. Selon le demandeur , cette montre présente malgré tout pour l'utilisateur deux inconvénients à savoir d'apprendre cette nouvelle codification et de manquer de précision concernant la lecture des minutes.There are watches, with tactile reading, for the blind which, in addition to conventional hands for indication of hours and minutes, elements in relief relative to the dial allowing the location of said hands relative to said dial to be identified. The major drawback of this type of chronometric instrument lies in the difficulty of locating both the hour and minute hands when they are substantially superimposed. This difficulty is resolved by document FR.844.588 which proposes a chronometric instrument comprising two dials, one with an hour hand and the other with a minute hand. Despite this improvement, there remains the risk for the user when he moves his finger on the dial to read the time by touch to move one or the other of the hands. The electromagnetic watch with sensitive reading proposed by document EP.522.644 overcomes this drawback, insofar as the sensitive reading is no longer carried out using indicator needles but using cylinders the lower part of which is fixed to internal blades which are designed to be operated by electromagnets in order to raise or lower said cylinders through holes made in two separate reading zones. In operation the hours are marked in the first zone and the minutes, with an interval of five minutes, in the second zone. In each zone are provided four holes for the actuation of four cylinders, the projecting position of all or part of the cylinders of a given zone allowing, thanks to a particular codification described in this document EP.522.644, read the time for the first zone and each five minutes for the second zone. This codification, based on an adequate distribution of the four studs, corresponds to a combination totaling twelve possibilities. According to the applicant, this watch nevertheless presents two drawbacks for the user, namely to learn this new code and to lack precision concerning the reading of the minutes.
Le but que s'est fixé le demandeur est de proposer un instrument chronométrique, du type montre, horloge ou pendule, qui pallie les inconvénients précités.The aim set by the applicant is to propose a chronometric instrument, of the watch, clock or pendulum type, which overcomes the aforementioned drawbacks.
Ce but est parfaitement atteint par l'instrument chronométrique à lecture sensitive dont , de manière connue par le document EP.522.644, le cadran comporte des trous, répartis en zones de lecture, et quatre plots de lecture par zone actionnables en hauteur, à travers lesdits trous, entre une première position sortie et une seconde position rentrée où ils sont respectivement au-dessus et au niveau ou en-dessous de la surface du cadran.This object is perfectly achieved by the chronometric instrument with sensitive reading, of which, in a manner known by document EP.522.644, the dial has holes, distributed in reading zones, and four reading pads per zone which can be actuated in height, through said holes, between a first extended position and a second retracted position where they are respectively above and at or below the surface of the dial.
De manière caractéristique selon l'invention, l'instrument chronométrique comporte deux groupes de deux zones distinctes et adjacentes, le premier groupe pour la lecture des heures et le second pour la lecture des minutes, et dans chaque groupe la première zone pour la lecture des dizaines et la seconde pour la lecture des unités ; de plus il comporte pour chaque zone un mécanisme d'actionnement en hauteur des plots commandé pour permettre une lecture chiffrée des heures et des minutes en langage Braille.Characteristically according to the invention, the chronometric instrument comprises two groups of two distinct and adjacent zones, the first group for reading the hours and the second for reading the minutes, and in each group the first zone for reading the tens and the second for reading the units; moreover, it includes, for each zone, a mechanism for actuating the height of the pads, controlled to allow an encrypted reading of the hours and minutes in Braille language.
Dans une version préférée de réalisation, les quatre plots d'une zone donnée ayant une disposition sensiblement en carré, le mécanisme d'actionnement en hauteur des plots comprend un disque rotatif dont l'axe de rotation est décalé par rapport au centre de symétrie de la zone et qui comporte quatre pistes concentriques présentant des portions en relief de telle sorte que la partie basse de chaque plot s'applique sur au moins la ou les portions en relief d'une piste donnée pendant la rotation du disque , le plot correspondant adoptant la première position sortie ou la seconde position rentrée lorsque sa partie basse s'applique ou non sur une portion en relief.In a preferred embodiment, the four studs of a given area having a substantially square arrangement, the actuation mechanism in height of the studs comprises a rotary disc whose axis of rotation is offset from the center of symmetry of the area and which has four concentric tracks with portions in relief so that the lower part of each stud is applied to at least the raised portion (s) of a given track during the rotation of the disc, the corresponding stud adopting the first extended position or the second retracted position when its portion low applies or not on a raised portion.
Selon cette disposition particulière , l'actionnement en hauteur des plots est réalisé non pas par voie électromécanique à l'aide d'un système lame/électroaimant pour chaque plot mais grâce à un moyen mécanique unique qui permet , lors de sa rotation, d'actionner simultanément les quatre plots d'une même zone.According to this particular arrangement, the actuation in height of the pads is carried out not by electromechanical means using a blade / electromagnet system for each pad but thanks to a unique mechanical means which allows, during its rotation, to simultaneously activate the four pads of the same zone.
Avantageusement, chaque plot est maintenu naturellement dans la seconde position rentrée par l'action d'un ressort s'appliquant d'une part sur la face interne du cadran et d'autre part sur un épaulement formé sur le plot. Lors du passage du plot sur une portion en relief de la piste qui lui est dévolue, le ressort se comprime et le plot vient en saillie, de quelques dixièmes de millimètre, de préférence de l'ordre de 0,5mm, au-dessus de la face externe du cadran.Advantageously, each stud is naturally held in the second retracted position by the action of a spring applying on the one hand to the internal face of the dial and on the other hand to a shoulder formed on the stud. When the stud passes over a raised portion of the track which is devoted to it, the spring compresses and the stud protrudes by a few tenths of a millimeter, preferably of the order of 0.5mm, above the outer face of the dial.
Avantageusement il n'y a sensiblement pas de contact entre la piste et la partie basse du plot quand le plot est maintenu en position rentrée par le ressort. Plus précisément l'écartement entre la piste dans les portions qui ne sont pas en relief et la face externe du cadran est déterminé pour que la partie haute du plot affleure sensiblement la face externe du cadran tandis que la partie basse du plot n'a aucun ou très peu de contact avec le fond de la piste qui lui est dévolue. Ceci permet d'éviter au maximum les frottements de la partie basse du plot avec la piste lorsque le plot est en position rentrée.Advantageously, there is substantially no contact between the track and the lower part of the stud when the stud is held in the retracted position by the spring. More precisely, the spacing between the track in the portions which are not in relief and the external face of the dial is determined so that the upper part of the stud is substantially flush with the external face of the dial while the lower part of the stud has no or very little contact with the bottom of the track dedicated to it. This makes it possible to avoid as much as possible the friction of the lower part of the stud with the track when the stud is in the retracted position.
Avantageusement la partie basse du plot s'appliquant au moins sur les portions en relief de la piste est constituée par un roulement.Advantageously, the lower part of the stud applying at least on the raised portions of the track is constituted by a bearing.
Cette disposition particulière vise à minimiser les forces de frottement entre ladite partie basse et la piste et en particulier réduire l'usure éventuelle des portions en relief de celle-ci. De préférence les disques rotatifs sont entraînés en rotation à raison d'une rotation pour douze heures pour le premier et le deuxième disques correspondant aux deux zones du premier groupe, une rotation en une heure pour le troisième disque correspondant à la première zone du deuxième groupe et une rotation pour dix minutes pour le quatrième disque correspondant à la seconde zone du deuxième groupe.This particular provision aims to minimize the friction forces between said lower part and the track and in particular reduce the possible wear of the raised portions of the latter. Preferably the rotary discs are rotated at the rate of one rotation for twelve hours for the first and the second disc corresponding to the two zones of the first group, a rotation in one hour for the third disc corresponding to the first zone of the second group and a rotation for ten minutes for the fourth disc corresponding to the second zone of the second group.
Avantageusement chacun de ces disques est mu par un dispositif d'entraînement à ressort et engrenage classique dans l'horlogerie.Advantageously, each of these discs is moved by a spring and gear drive device conventional in watchmaking.
La présente invention sera mieux comprise à la lecture de la description qui va être faite d'un exemple préféré de réalisation d'une montre à lecture sensitive en Braille illustré par le dessin annexé dans lequel :The present invention will be better understood on reading the description which will be given of a preferred embodiment of a watch with sensitive reading in Braille illustrated by the appended drawing in which:
- La figure 1 est une vue en plan du cadran d'une montre à lecture sensitive des heures et des minutes en Braille. - Les figures 2 et 3 sont des représentations schématiques en coupe du système de perfectionnement en hauteur des plots, avec les plots sortis à la figure 2 et le plot rentré à la figure 3.- Figure 1 is a plan view of the dial of a watch with sensitive reading of the hours and minutes in Braille. FIGS. 2 and 3 are schematic sectional representations of the system for improving the height of the studs, with the studs taken out in FIG. 2 and the stud retracted in FIG. 3.
- et la figure 4 est une représentation schématique en plan des quatre disques à piste concentrique permettant l'actionnement en hauteur des plots.- And Figure 4 is a schematic plan view of the four discs with concentric track for actuation of the pads height.
Conformément au principe général de l'invention, la montre 1 illustrée à la figure 1 possède un cadran 2 qui comporte quatre zones de lecture sensitive, regroupées en deux groupes de deux zones respectivement le premier groupe 7 des deux zones 3, 4 de lecture des heures et le second groupe 8 des deux zones 5, 6 de lecture des minutes. Dans chaque groupe 7, 8 la première zone respectivement 3,5 concerne la lecture des dizaines et la seconde zone respectivement 4,6 la lecture des unités.In accordance with the general principle of the invention, watch 1 illustrated in FIG. 1 has a dial 2 which comprises four sensitive reading zones, grouped into two groups of two zones respectively the first group 7 of the two zones 3, 4 for reading hours and the second group 8 of the two zones 5, 6 for reading the minutes. In each group 7, 8 the first area respectively 3.5 relates to the reading of the tens and the second area respectively 4.6 the reading of the units.
Dans chaque zone le cadran 2 est percé de quatre trous 9 dans lesquels sont prévus quatre plots 1 0 , actionnables en hauteur par un mécanisme interne, disposé sous le cadran et permettant de déplacer chaque plot entre une première position sortie selon laquelle le plot 10 fait saillie au-dessus de la face externe 2a du cadran 2 et une seconde position rentrée selon laquelle le plot 1 0 affleure sensiblement la face externe 2a du cadran 2. Ces deux positions sont illustrées respectivement à la figure 2 pour la position sortie et par la figure 3 pour la position rentrée.In each zone, the dial 2 is pierced with four holes 9 in which four studs 1 0 are provided, actuatable in height by an internal mechanism, placed under the dial and making it possible to move each stud enters a first extended position in which the stud 10 projects above the external face 2a of the dial 2 and a second retracted position in which the stud 1 0 is substantially flush with the external face 2a of the dial 2. These two positions are illustrated respectively in Figure 2 for the extended position and by Figure 3 for the retracted position.
En parcourant du doigt la surface externe 2a du cadran 2, de gauche à droite, l'utilisateur passe le doigt en premier lieu sur le premier groupe 7 des deux zones 3,4 de lecture des heures puis sur le second groupe 8 des deux zones 5,6 de lecture des minutes. Le mécanisme d'actionnement en hauteur des plots 1 0 est commandé, en fonction du temps, pour que les plots en position sortie donnent dans chaque zone le chiffre correspondant en Braille. A titre d'exemple sur la figure 1 , on a représenté les plots 10 en position sortie en hachuré, comparativement aux plots en position rentrée qui sont laissés en blanc. L'utilisateur pourra lire en Braille sur la montre de la figure 1 qu'il est 1 OhO8.By scanning with finger the external surface 2a of the dial 2, from left to right, the user passes his finger first over the first group 7 of the two zones 3, 4 for reading the hours, then over the second group 8 of the two zones 5.6 minutes reading. The actuation mechanism in height of the pads 1 0 is controlled, as a function of time, so that the pads in the extended position give in each zone the corresponding figure in Braille. By way of example in FIG. 1, the studs 10 are shown in the hatched out position, compared to the studs in the retracted position which are left blank. The user can read in Braille on the watch in Figure 1 that it is 1 OhO8.
Pour que l'utilisateur puisse percevoir tactilement les plots 1 0 en position sortie, il est préférable que la partie supérieure 1 Oa du plot 10 soit en saillie au-dessus de la face externe 2a du cadran 2 d'une hauteur e_de l'ordre de 0,5mm.In order for the user to be able to perceive the studs 1 0 in the extended position, it is preferable for the upper part 1a of the stud 10 to protrude above the external face 2a of the dial 2 by a height e_of the order 0.5mm.
La disposition des plots, dans chaque zone, est une disposition sensiblement en carré, conforme à celle prévue pour la représentation des chiffres en Braille. On a représenté sur les figures 2 et 3 un mécanisme d'actionnement en hauteur des plots 1 0. Ce mécanisme comprend, sous la face interne 2b du cadran 2 et disposée sous le plot 1 0 une surface, montée en rotation , et présentant des portions en relief. Plus précisément, dans la version qui va maintenant être décrite, cette surface consiste en un disque 1 1 , plan présentant localement des portions en relief 1 2. Les faces supérieures 1 1 a et 1 2a respectivement du disque 1 1 et des portions en relief sont parallèles aux faces externe 2a et interne 2b du cadran 2.The arrangement of the pads, in each zone, is a substantially square arrangement, in accordance with that provided for the representation of the numbers in Braille. FIGS. 2 and 3 show a mechanism for actuating the studs 1 0 in height. This mechanism comprises, under the internal face 2b of the dial 2 and arranged under the stud 1 0, a surface, mounted in rotation, and having raised portions. More precisely, in the version which will now be described, this surface consists of a disc 1 1, a plane locally presenting raised portions 1 2. The upper faces 1 1 a and 1 2a respectively of the disc 1 1 and raised portions are parallel to the external 2a and internal 2b faces of the dial 2.
Le plot 1 0 est une pièce cylindrique dont le diamètre extérieur est légèrement inférieur au diamètre intérieur du trou 9 . Ce trou 9 est prolongé au-delà de là face interne 2b du cadran 2 par un prolongement également cylindrique 13. Le diamètre extérieur du plot 1 0 est légèrement inférieur au diamètre intérieur du prolongement cylindriqueThe stud 1 0 is a cylindrical piece whose outside diameter is slightly less than the inside diameter of the hole 9. This hole 9 is extended beyond there internal face 2b of the dial 2 by an equally cylindrical extension 13. The outside diameter of the stud 1 0 is slightly less than the inside diameter of the cylindrical extension
1 3. La partie basse 1 0b du plot 1 0 comporte un épaulement annulaire1 3. The lower part 1 0b of the stud 1 0 has an annular shoulder
14 allant au-delà du prolongement cylindrique 1 3. La partie basse 1 Ob du plot 1 0 est équipée d'un roulement 1 5, tournant autour de son axe14 going beyond the cylindrical extension 1 3. The lower part 1 Ob of the stud 1 0 is equipped with a bearing 1 5, rotating around its axis
1 6. Un ressort de tension 1 7 est monté entre la face interne 2b du cadran 2 et l'épaulement annulaire 14 de la partie basse 1 Ob du plot 10.1 6. A tension spring 1 7 is mounted between the internal face 2b of the dial 2 and the annular shoulder 14 of the lower part 1 Ob of the stud 10.
Comme cela ressort explicitement de l'examen des figures 2 etAs is evident from the examination of Figures 2 and
3, le roulement 1 5 s'applique sur le disque 1 1 . S'il est en contact avec une portion en relief 1 2 (figure 2), le ressort 1 7 est comprimé et la partie haute 1 Oa du plot 1 0 est en saillie au-dessus de la face externe 2a du cadran 2. Dans le cas inverse, c'est-à-dire lorsque le roulement 1 5 est en contact avec la face externe 1 1 a du disque 1 1 , le ressort 1 7 est détendu et la partie haute 1 Oa du plot 1 0 affleure sensiblement la face externe 2a du cadran 2.3, the bearing 1 5 is applied to the disc 1 1. If it is in contact with a raised portion 1 2 (FIG. 2), the spring 1 7 is compressed and the upper part 1 Oa of the stud 1 0 protrudes above the external face 2a of the dial 2. In the opposite case, that is to say when the bearing 1 5 is in contact with the external face 1 1 a of the disc 1 1, the spring 1 7 is relaxed and the upper part 1 Oa of the stud 1 0 is substantially flush with the external face 2a of the dial 2.
Les deux figures 2 et 3 illustrent les deux positions sortie (figure 2) et rentrée (figure 3) que peuvent adopter chacun des plots lors de la rotation du disque 1 1 .The two figures 2 and 3 illustrate the two positions taken out (figure 2) and re-entered (figure 3) that each of the studs can adopt when the disc 1 1 rotates.
La présence du roulement 1 5 a pour but de limiter les frottements sur les portions en relief 1 2 de manière à éviter l'usure de celles-ci au cours du temps. Le montage du ressort 1 7 sur l'épaulement annulaire 14 peut être conçu de telle sorte qu'en position détendue (figure 3) du ressort 1 7, le roulement 1 5 ne soit pas en contact ou n'ait qu'un contact très réduit avec la face externe 1 1 a du disque 1 1 de manière là encore à réduire les forces de frottement.The presence of the bearing 1 5 aims to limit the friction on the raised portions 1 2 so as to avoid wear of these over time. The mounting of the spring 1 7 on the annular shoulder 14 can be designed so that in the relaxed position (Figure 3) of the spring 1 7, the bearing 1 5 is not in contact or has only a very contact reduced with the external face 1 1 a of the disc 1 1 so as again to reduce the frictional forces.
Par ailleurs pour des facilités de construction, ce sont les portions 1 1 a qui peuvent éventuellement être constituées par des portions en creux par rapport aux disques dont la face extérieure serait constituée par les portions en relief 1 2.In addition, for construction facilities, these are the portions 1 1 a which may optionally be formed by recessed portions with respect to the discs whose external face would be constituted by the raised portions 1 2.
Chaque disque 1 1 est pourvu de quatre pistes concentriques destinées chacune à actionner en hauteur chacun des quatre plots d'une même zone, selon le fonctionnement qui vient d'être expliqué ci-dessus.Each disc 1 1 is provided with four concentric tracks each intended to actuate in height each of the four pads of the same area, according to the operation which has just been explained above.
Pour le premier groupe 7 des deux zones de lecture 3,4 des heures, le disque rotatif correspondant est entraîné en rotation à raison d'une rotation pour douze heures. Sur le disque correspondant à la première zone 3 (lecture des dizaines d'heures) les portions en relief 1 2 des pistes concentriques 1 8 sont conçues pour que les plots représentent en Braille le chiffre O jusqu'à l'expiration de la neuvième heure puis le chiffre 1 jusqu'à l'expiration de la onzième 1 1 . Sur la figure 4 on a représenté en traits pleins les portions en relief de chaque piste concentrique et en pointillés les autres portions.For the first group 7 of the two zones 3, 4 reading the hours, the corresponding rotating disc is rotated at the rate of one rotation for twelve hours. On the disc corresponding to the first zone 3 (reading tens of hours) the raised portions 1 2 of the concentric tracks 1 8 are designed so that the studs represent in Braille the number O until the expiration of the ninth hour then the number 1 until the expiration of the eleventh 1 1. In Figure 4 there is shown in solid lines the raised portions of each concentric track and in dotted lines the other portions.
Pour le disque correspondant à la seconde zone 4 du premier groupe 7 (lecture des heures unitaires) le changement de chiffre (de O à 9) intervient à chaque heure, c'est-à-dire après une rotation angulaire du disque 1 1 d'un angle a de 36 X Pour ce qui est des zones 5,6 du second groupe 8, pour la lecture tactile des minutes, la rotation des disques 1 1 correspondants s'effectue à raison d'une rotation en une heure pour la zone 5 de lecture des dizaines de minute et à raison d'une rotation en dix minutes pour la zone 6 de lecture des minutes unitaires. Le disque 1 1 correspondant à la zone 5 est conçu pour effectuer le changement de chiffre (de O à 5) après une rotation angulaire d'angle β de 60 Le disque 1 1 correspondant à la zone 6 effectue un changement de chiffre (de O à 9) pour une rotation angulaire d'angle a de 36 XFor the disc corresponding to the second zone 4 of the first group 7 (reading of the unit hours) the change of digit (from O to 9) occurs every hour, that is to say after an angular rotation of the disc 1 1 d 'an angle a of 36 X With regard to zones 5.6 of the second group 8, for the tactile reading of the minutes, the rotation of the corresponding disks 1 1 is carried out at the rate of a rotation in one hour for the zone 5 for reading tens of minutes and at the rate of one rotation in ten minutes for zone 6 for reading unit minutes. The disc 1 1 corresponding to the zone 5 is designed to effect the change of digit (from O to 5) after an angular rotation of angle β of 60 The disc 1 1 corresponding to the zone 6 performs a change of digit (from O to 9) for an angular rotation of angle a of 36 X
La détermination des portions en relief 1 2 des quatre pistes concentriques pour un déplacement angulaire donné est relativement simple, lorsque l'on connaît le langage Braille et que l'on a repéré à quel plot de la disposition sensiblement en carré correspond chacune des pistes concentriques.The determination of the raised portions 1 2 of the four concentric tracks for a given angular displacement is relatively simple, when one knows the Braille language and that one has identified at which each pad of the substantially square arrangement corresponds to each of the concentric tracks.
Dans le cas présent, l'axe de rotation 18 du disque rotatif 1 1 a été décalé par rapport au centre de symétrie 1 9 de la disposition sensiblement en carré des quatre plots, de manière à ce que les pistes concentriques référencées 20 à 23 de la piste la plus intérieure 20 jusqu'à la piste la plus extérieure 23 correspondent respectivement au plot 24 en bas à gauche dans la disposition de lecture en Braille (piste 20), en haut à gauche 25 (piste 21 ), en bas à droite 26 (piste 22) et en haut à droite 27 (piste 23). De préférence le demandeur a retenu une disposition des plots qui est rectangulaire, proche du carré avec une distance entre l'alignement de deux plots formant le grand côté du rectangle, par exemple les deux plots horizontaux qui est légèrement supérieure , par exemple de 1 0 à 1 5%, à la distance entre l'alignement de deux plots formant le petit côté du rectangle par exemple des deux plots verticaux ; cette disposition permet d'avoir le même écartement entre les pistes et un écartement qui soit suffisant pour la formation des portions en relief (ou en creux) selon chaque piste, compte-tenu de la présence du roulement. La configuration des portions en relief 1 2 des quatre pistes 20 àIn the present case, the axis of rotation 18 of the rotary disc 1 1 has been offset with respect to the center of symmetry 1 9 of the substantially square arrangement of the four studs, so that the concentric tracks referenced 20 to 23 of the innermost track 20 to the outermost track 23 correspond respectively to the pad 24 at the bottom left in the Braille reading layout (track 20), at the top left 25 (track 21), at the bottom right 26 (track 22) and top right 27 (track 23). Preferably the applicant has retained a layout of the pads which is rectangular, close to the square with a distance between the alignment of two pads forming the long side of the rectangle, for example the two horizontal pads which is slightly greater, for example 1 0 at 15%, at the distance between the alignment of two studs forming the short side of the rectangle, for example of the two vertical studs; this arrangement makes it possible to have the same spacing between the tracks and a spacing which is sufficient for the formation of the raised (or hollow) portions according to each track, taking into account the presence of the bearing. The configuration of the raised portions 1 2 of the four tracks 20 to
23 pour les quatre disques rotatifs 1 1 , permettant l'actionnement des quatre plots 24 à 27 de chaque zone, pour une lecture en Braille des heures et des minutes est, pour l'exemple précité, représentée à la figure 4. Ainsi , de manière particulièrement avantageuse, la rotation d'un seul disque rotatif permet d'actionner les quatre plots permettant de décliner de O à 9 tous les chiffres selon la lecture en Braille, grâce à l'adaptation particulière des portions en relief des quatre pistes concentriques. Le mécanisme d'entraînement en rotation des quatre disques peut être un mécanisme classique dans l'horlogerie, à engrenage et ressort voire à pile.23 for the four rotary disks 1 1, allowing the actuation of the four pads 24 to 27 of each zone, for a Braille reading of the hours and minutes is, for the aforementioned example, represented in FIG. 4. Thus, from in a particularly advantageous manner, the rotation of a single rotating disc makes it possible to actuate the four studs making it possible to decline from 0 to 9 all the figures according to the reading in Braille, thanks to the particular adaptation of the raised portions of the four concentric tracks. The mechanism for rotating the four discs can be a conventional mechanism in watchmaking, with gear and spring even battery.
L'invention n'est pas limitée au mode de réalisation qui a été décrit à titre d'exemple non exhaustif . En particulier la surface en rotation pourrait être une surface cylindrique d'axe de rotation parallèle au cadran. Par ailleurs la disposition des quatre plots sensiblement en carré dont il a été question dans le présent texte doit se comprendre à la fois d'une disposition en carré et d'une disposition qui s'écarte légèrement du carré, qu'elle soit rectangulaire, trapézoïdale ou autre. The invention is not limited to the embodiment which has been described by way of non-exhaustive example. In particular, the rotating surface could be a cylindrical surface with an axis of rotation parallel to the dial. Furthermore, the arrangement of the four substantially square studs referred to in the present text must be understood to be both a square arrangement and a provision which deviates slightly from the square, whether it is rectangular, trapezoidal or other.

Claims

REVENDICATIONS
1 . Instrument chronométrique à lecture sensitive dont le cadran comporte des trous, répartis en zones de lecture, et quatre plots de lecture, par zone, actionnables en hauteur à travers lesdits trous entre une première position sortie et une seconde position rentrée où ils sont respectivement au-dessus et au niveau (ou en-dessous) de la surface du cadran, caractérisé en ce qu'il comporte deux groupes (7, 8) de deux zones distinctes et adjacentes (3,4) et (5,6), le premier groupe (7) pour la lecture des heures et le second (8) pour la lecture des minutes , et dans chaque groupe la première zone (3,5) pour la lecture des dizaines et la seconde (4,6) pour la lecture des unités, et en ce qu'il comporte pour chaque zone (7,8) un mécanisme d'actionnement en hauteur des plots commandé pour permettre la lecture chiffrée des heures et des minutes en langage Braille. 1. Chronometric instrument with sensitive reading, the dial of which has holes, distributed in reading zones, and four reading pads, per zone, which can be actuated in height through said holes between a first extended position and a second retracted position where they are respectively above and at (or below) the surface of the dial, characterized in that it comprises two groups (7, 8) of two distinct and adjacent zones (3,4) and (5,6), the first group (7) for reading the hours and the second (8) for reading the minutes, and in each group the first zone (3.5) for reading the tens and the second (4.6) for reading the units, and in that it comprises for each zone (7,8) a mechanism for actuating the height of the pads controlled to allow the encrypted reading of the hours and minutes in Braille language.
2. Instrument chronométrique selon la revendication 1 caractérisé en ce que le mécanisme d'actionnement en hauteur des plots comprend, sous la face interne (2b) du cadran (2) et disposée sous chaque plot (1 0) une surface montée en rotation et présentant des portions en relief , de telle sorte que la partie basse dudit plot s'applique sur au moins la ou les portions en relief de ladite surface pendant la rotation de celle-ci, le plot (10) correspondant adoptant la première position sortie ou la seconde position rentrée lorsque la partie basse s'applique ou non sur une portion en relief. 2. chronometric instrument according to claim 1 characterized in that the mechanism for actuating the studs in height comprises, under the internal face (2b) of the dial (2) and disposed under each stud (1 0) a surface mounted in rotation and having raised portions, so that the lower part of said stud is applied to at least the raised portion (s) of said surface during the rotation thereof, the corresponding stud (10) adopting the first extended position or the second retracted position when the lower part is applied or not on a raised portion.
3. Instrument chronométrique selon la revendication 2 caractérisé en ce que les quatre plots (10) d'une zone donnée ayant une disposition sensiblement en carré, la surface montée en rotation consiste en un disque rotatif ( 1 1 ) dont l'axe de rotation (1 8) est décalé par rapport au centre ( 1 9) de la zone et qui comporte quatre pistes concentriques (20 à 23) présentant des portions en relief ( 1 2) de telle sorte que la partie basse de chaque plot (1 0) s'applique sur au moins la ou les portions en relief ( 1 2) d'une piste donnée pendant la rotation du disque (1 1 ). 3. chronometric instrument according to claim 2 characterized in that the four studs (10) of a given area having a substantially square arrangement, the surface mounted in rotation consists of a rotating disc (1 1) whose axis of rotation (1 8) is offset from the center (1 9) of the zone and which has four concentric tracks (20 to 23) having raised portions (1 2) so that the lower part of each stud (1 0 ) is applied to at least the raised portion (s) (1 2) of a given track during the rotation of the disc (1 1).
4. Instrument chronométrique selon l'une des revendications 2 ou 3 caractérisé en ce que chaque plot ( 1 0) est maintenu naturellement dans la seconde position rentrée par l'action d'un ressort (1 7) s'appliquant d'une part sur la face interne (2b) du cadran (2) et d'autre part sur un épaulement (14) formé sur le plot (1 0) .4. chronometric instrument according to one of claims 2 or 3 characterized in that each stud (1 0) is naturally maintained in the second retracted position by the action of a spring (1 7) applying on the one hand on the internal face (2b) of the dial (2) and on the other hand on a shoulder (14) formed on the stud (1 0).
5. Instrument chronométrique selon l'une des revendications 2 à 4 caractérisé en ce qu'en position sortie la partie haute (1 Oa) d'un plot (1 0) vient en saillie, de l'ordre de 0,5mm au-dessus de la face externe (2a) du cadran (2). 5. chronometric instrument according to one of claims 2 to 4 characterized in that in the extended position the upper part (1 Oa) of a stud (1 0) protrudes, of the order of 0.5mm au- above the external face (2a) of the dial (2).
6. Instrument chronométrique selon l'une des revendications 2 à 5 caractérisé en ce que la partie basse du plot, s'appliquant au moins sur les portions en relief (1 2) , est constitué par un roulement rotatif.6. chronometric instrument according to one of claims 2 to 5 characterized in that the lower part of the stud, applying at least on the raised portions (1 2), is constituted by a rotary bearing.
7. Instrument chronométrique selon l'une des revendications 3 à 6 caractérisé en ce que les disques rotatifs ( 1 1 ) sont entraînés en rotation à raison d'une rotation pour douze heures pour le premier et le deuxième disque correspondant aux deux zones (3,4) du premier groupe (7), une rotation en une heure pour le troisième disque correspondant à la première zone (5) du deuxième groupe (8) et une rotation pour dix minutes pour le quatrième disque correspondant à la seconde zone (6) du deuxième groupe (8) .7. chronometric instrument according to one of claims 3 to 6 characterized in that the rotary discs (1 1) are rotated at a rate of rotation for twelve hours for the first and the second disc corresponding to the two zones (3 , 4) of the first group (7), a rotation in one hour for the third disc corresponding to the first zone (5) of the second group (8) and a rotation for ten minutes for the fourth disc corresponding to the second zone (6 ) of the second group (8).
8. Instrument chronométrique selon la revendication 3 caractérisé en ce que les quatre plots d'une zone donnée ont une disposition rectangulaire avec le grand côté du rectangle légèrement supérieur ,, de l'ordre de 1 0 à 1 5% au petit côté. 8. chronometric instrument according to claim 3 characterized in that the four pads of a given area have a rectangular arrangement with the long side of the rectangle slightly higher, of the order of 1 0 to 1 5% at the short side.
9. Instrument chronométrique selon la revendication 3 caractérisé en ce que les pistes concentriques ont la configuration illustrée à la figure 4 avec les portions en relief (1 2) représentées selon une ligne continue. 9. chronometric instrument according to claim 3 characterized in that the concentric tracks have the configuration illustrated in Figure 4 with the raised portions (1 2) shown in a continuous line.
PCT/FR1998/001574 1997-07-17 1998-07-17 Timepiece with sensitive reading in braille WO1999004321A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU88125/98A AU8812598A (en) 1997-07-17 1998-07-17 Timepiece with sensitive reading in braille

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9709308A FR2766284A1 (en) 1997-07-17 1997-07-17 CHRONOMETRIC INSTRUMENT WITH SENSITIVE READING IN BRAILLE
FR97/09308 1997-07-17

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WO (1) WO1999004321A1 (en)

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CN106909057A (en) * 2017-05-11 2017-06-30 佛山市米原信息系统科技有限公司 A kind of blind person aids in table clock

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CN102707610A (en) * 2012-05-03 2012-10-03 浙江理工大学 Touchable blindman clock and time display method thereof

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DE3106656A1 (en) * 1981-02-23 1982-09-09 Arz, Gerhard, Dipl.-Ing., 5400 Koblenz Clock/watch for blind people
JPS57158581A (en) * 1981-03-26 1982-09-30 Yasuyuki Arai Timepiece with tactual sensation
JPS58148988A (en) * 1982-03-02 1983-09-05 Seikosha Co Ltd Timepiece fo blind person
JPH04256888A (en) * 1991-02-07 1992-09-11 Misuzu Kogyo:Kk Watch
EP0522644A1 (en) * 1991-07-09 1993-01-13 Touch Watch Llc Electromechanical wristwatch with reading by touch

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DE3106656A1 (en) * 1981-02-23 1982-09-09 Arz, Gerhard, Dipl.-Ing., 5400 Koblenz Clock/watch for blind people
JPS57158581A (en) * 1981-03-26 1982-09-30 Yasuyuki Arai Timepiece with tactual sensation
JPS58148988A (en) * 1982-03-02 1983-09-05 Seikosha Co Ltd Timepiece fo blind person
JPH04256888A (en) * 1991-02-07 1992-09-11 Misuzu Kogyo:Kk Watch
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Publication number Priority date Publication date Assignee Title
CN106909057A (en) * 2017-05-11 2017-06-30 佛山市米原信息系统科技有限公司 A kind of blind person aids in table clock

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FR2766284A1 (en) 1999-01-22

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