EP0312946B1 - Electronic timepiece - Google Patents
Electronic timepiece Download PDFInfo
- Publication number
- EP0312946B1 EP0312946B1 EP88117197A EP88117197A EP0312946B1 EP 0312946 B1 EP0312946 B1 EP 0312946B1 EP 88117197 A EP88117197 A EP 88117197A EP 88117197 A EP88117197 A EP 88117197A EP 0312946 B1 EP0312946 B1 EP 0312946B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motors
- fact
- situated
- rotor
- coaxial
- 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.)
- Expired - Lifetime
Links
- 238000004804 winding Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C13/00—Driving mechanisms for clocks by master-clocks
- G04C13/08—Slave-clocks actuated intermittently
- G04C13/10—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms
- G04C13/11—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature
Definitions
- the present invention relates to an electronic timepiece with analog display, the indicators of which are driven by two multi-pole motors, the rotors of these two motors being coaxial and being directly integral with the indicators which they drive, respectively.
- Timepieces and often even wristwatches, which provide the most diverse time indications: ordinary time (hours, minutes and seconds), chronograph and its totalizers, fractions of seconds, calendars , days of the week, moon phases or any other astronomical indication, additional time indicators from different time zones, day-night indicators.
- the object of the present invention is to provide a solution to this problem thanks to which the general arrangement of the motors of such a timepiece is particularly simple and compact.
- the watch shown in figs. 1 and 2 comprises a movement, the frame of which is formed by a plate 1, a center bridge 2 and an intermediate bridge 3.
- the armature of the upper motor designated in a way general by 6, and the armature of the lower motor, generally designated by 7, are arranged in a relative position such that the windings of these two motors, designated by 8 and by 9 respectively, are diametrically opposite. However, they may not be located strictly on the same diameter, but in the immediate vicinity thereof, the main thing being that they are arranged so as to minimize the magnetic influences of one of the motors on the other.
- These motors are controlled by a quartz oscillator schematically represented at 10 in FIG. 1, the power being supplied by a battery 11 also visible in FIG. 4 a .
- the rotor 5 is fixed to a floor 12 of the hub, designated by 12a, which it is mounted, this floor being pivoted on the one hand in the plate 1 and secondly in the intermediate deck 3.
- rotor 4 it is mounted on a bearing surface 13 a which has a shaft 13 passing through the barrel, designated by 12 b , from the roadway 12. This shaft 13 is pivoted in the plate 2 on the one hand and in the barrel 12 b d 'somewhere else.
- the roadway 12 is engaged with the wheel, designated by 14, of a reduction gear, the pinion of which, designated by 15, is engaged with a wheel 16 rotatably mounted on the barrel 12 b .
- the shaft 13 secured to the rotor 4 carries a seconds hand 17 while the barrel 12 b secured to the rotor 5 carries a minutes hand 18, a sleeve 16 a which has the wheel 16 carrying an hour hand 19.
- the timepiece shown in Figs. 3 to 5 comprises, like that of the first embodiment, two coaxial multipolar motors driving, in the same way as in the case of the first embodiment, hour hands 20, minutes 21 and seconds 22, the first and the last directly by their respective rotors 23 and 24.
- the second hand 22 is a chronograph hand, being arranged to be able to be stopped and restarted at will.
- the watch comprises three additional motors, arranged in a cross, that is to say two of which are situated on a diameter, indicated at 25 in FIG. 3, perpendicular to the diameter, indicated by 26, on which are located the windings, designated by 27 and 28, respectively, of the two coaxial central motors.
- One or the other of the three needles 32 can moreover provide any other desired indication.
- all of the indicators of the watches described and represented may provide indications different from those which were given as an example, such as fractions of seconds, dates, days of the week, phases of the moon or any other astronomical indication, additional indications of the time in different time zones or even constitute day-night indicators, including precisely the drive motor may be bipolar.
- one or the other of the motors is controlled manually and then serves as unit counters (objects or points to be totaled).
- a substrate which has not been shown, covers the movement and carries conductive tracks shown in FIG. 5 where some of them have been designated by 33.
- the substrate also carries a microprocessor, indicated at 34 in FIG. 5.
- Those of tracks 33 which end at the periphery of the movement terminate opposite push-buttons for controlling the various functions of the watch, in particular the chronograph, or for setting the time.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Communication Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
Description
La présente invention a pour objet une pièce d'horlogerie électronique à affichage analogique dont les indicateurs sont entraînés par deux moteurs multipolaires, les rotors de ces deux moteurs étant coaxiaux et étant directement solidaires des indicateurs qu'ils entraînent, respectivement.The present invention relates to an electronic timepiece with analog display, the indicators of which are driven by two multi-pole motors, the rotors of these two motors being coaxial and being directly integral with the indicators which they drive, respectively.
L'électronique permet de concevoir des pièces d'horlogerie, et souvent même des montres-bracelets, qui fournissent les indications de temps les plus diverses : temps ordinaire (heures, minutes et secondes), chronographe et ses totalisateurs, fractions de secondes, quantièmes, jours de la semaine, phases de la lune ou toute autre indication astronomique, indicateurs supplémentaires de l'heure de différents fuseaux horaires, indicateurs jour-nuit.Electronics make it possible to design timepieces, and often even wristwatches, which provide the most diverse time indications: ordinary time (hours, minutes and seconds), chronograph and its totalizers, fractions of seconds, calendars , days of the week, moon phases or any other astronomical indication, additional time indicators from different time zones, day-night indicators.
Le problème que posent de telles pièces d'horlogerie réside dans la difficulté qu'il y a à réunir dans un très faible espace les divers moteurs entraînant les différents indicateurs.The problem posed by such timepieces lies in the difficulty of bringing together in a very small space the various motors driving the different indicators.
Le but de la présente invention est de fournir une solution à ce problème grâce à laquelle l'agencement général des moteurs d'une telle pièce d'horlogerie soit particulièrement simple et peu encombrant.The object of the present invention is to provide a solution to this problem thanks to which the general arrangement of the motors of such a timepiece is particularly simple and compact.
Il est à remarquer que l'on connaît (cf. brevet français No 2.155.246) des pièces d'horlogerie électroniques à affichage analogique dont les indicateurs sont entraînés par des moteurs, dans lesquelles, de surcroît, les rotors de ces moteurs sont coaxiaux, l'un étant directement solidaire de l'indicateur qu'il entraîne.It should be noted that electronic timepieces with analog display are known (cf. French Patent No. 2,155,246), the indicators of which are driven by motors, in which, moreover, the rotors of these motors are coaxial , one being directly attached to the indicator it drives.
Toutefois, dans ces constructions, il ne s'agit pas de moteurs du type comprenant un enroulement traversé par un noyau appartenant à une armature formant deux épanouissements entre lesquels est disposé le rotor, mais de moteurs à rotor annulaire ou de moteurs dits à bague tournante ne pouvant entraîner directement que des indicateurs en forme de disques ou de couronnes.However, in these constructions, it is not a question of motors of the type comprising a winding traversed by a core belonging to a frame forming two openings between which the rotor is disposed, but of motors with an annular rotor or motors known as with a rotating ring can only directly drive indicators in the form of discs or crowns.
Ce but est atteint grâce aux moyens définis dans la revendication 1.This object is achieved by the means defined in
Le dessin représente, à titre d'exemple, deux formes d'exécution de l'objet de l'invention.
- La fig. 1 est une vue en plan du mouvement d'une première forme d'exécution d'une montre-bracelet.
- La fig. 2 est une coupe de cette montre suivant la ligne II-II de la fig. 1, à plus grande échelle.
- La fig. 3 est une vue en plan du mouvement d'une deuxième forme d'exécution de montre-bracelet.
- Les figs. 4a et 4b forment ensemble une coupe suivant la ligne IV-IV de la fig. 3, à plus grande échelle, et
- La fig. 5 est une vue en plan du mouvement de cette montre, analogue à celle de la fig. 3, dans laquelle ont été ajoutés schématiquement les pistes conductrices de même que le microprocesseur que porte un substrat qui n'a pas été représenté ou qui serait supposé, pour la clarté du dessin, être transparent.
- Fig. 1 is a plan view of the movement of a first embodiment of a wristwatch.
- Fig. 2 is a section of this watch along the line II-II of FIG. 1, on a larger scale.
- Fig. 3 is a plan view of the movement of a second embodiment of a wristwatch.
- Figs. 4 a and 4 b together form a section along the line IV-IV of FIG. 3, on a larger scale, and
- Fig. 5 is a plan view of the movement of this watch, similar to that of FIG. 3, in which have been added schematically the conductive tracks as well as the microprocessor carried by a substrate which has not been shown or which would be assumed, for clarity of the drawing, to be transparent.
La montre représentée aux figs. 1 et 2 comprend un mouvement dont le bâti est formé d'une platine 1, d'un pont de centre 2 et d'un pont intermédiaire 3.The watch shown in figs. 1 and 2 comprises a movement, the frame of which is formed by a
Elle comprend deux moteurs multipolaires coaxiaux, situés au centre, dont le rotor de l'un, supérieur, est désigné par 4, et celui de l'autre, inférieur, par 5. L'armature du moteur supérieur, désignée d'une façon générale par 6, et l'armature du moteur inférieur, désignée d'une façon générale par 7, sont disposées dans une position relative telle que les enroulements de ces deux moteurs, désignés par 8 et par 9 respectivement, sont diamétralement opposés. Ils pourraient cependant ne pas être situés rigoureusement sur un même diamètre, mais dans un voisinage immédiat de celui-ci, le principal étant qu'ils soient disposés de façon à réduire au minimum les influences magnétiques d'un des moteurs sur l'autre.It includes two coaxial multipole motors, located in the center, the rotor of one, upper, is designated by 4, and that of the other, lower, by 5. The armature of the upper motor, designated in a way general by 6, and the armature of the lower motor, generally designated by 7, are arranged in a relative position such that the windings of these two motors, designated by 8 and by 9 respectively, are diametrically opposite. However, they may not be located strictly on the same diameter, but in the immediate vicinity thereof, the main thing being that they are arranged so as to minimize the magnetic influences of one of the motors on the other.
Ces moteurs sont pilotés par un oscillateur à quartz schématiquement représenté en 10 à la fig. 1, l'alimentation étant assurée par une pile 11 également visible à la fig. 4a.These motors are controlled by a quartz oscillator schematically represented at 10 in FIG. 1, the power being supplied by a
Le rotor 5 est solidaire d'une chaussée 12 sur le moyeu, désigné par 12a, de laquelle il est monté, cette chaussée étant pivotée d'une part dans la platine 1 et d'autre part dans le pont intermédiaire 3. Quant au rotor 4, il est monté sur une portée 13a que présente un arbre 13 traversant le canon, désigné par 12b, de la chaussée 12. Cet arbre 13 est pivoté dans la platine 2 d'une part et dans le canon 12b d'autre part.The
La chaussée 12 est en prise avec la roue, désignée par 14, d'un mobile démultiplicateur, dont le pignon, désigné par 15, est en prise avec une roue 16 montée rotativement sur le canon 12b.The
L'arbre 13 solidaire du rotor 4 porte une aiguille de secondes 17 alors que le canon 12b solidaire du rotor 5 porte une aiguille de minutes 18, un manchon 16a que présente la roue 16 portant une aiguille d'heures 19.The
L'entraînement des aiguilles de secondes 17 et de minutes 18 étant assuré directement, sans démultiplication, par les rotors des deux moteurs, respectivement, dont elles sont directement solidaires, il convient de piloter ceux-ci à l'aide d'impulsions dont la fréquence sera fonction du nombre des pôles de ces rotors, par exemple soixante, et de la vitesse à laquelle lesdits indicateurs doivent tourner, à savoir un tour par minute pour l'aiguille des secondes 17 et un tour par heure pour l'aiguille des minutes 18. Quant à l'aiguille 19 des heures, qui fait un tour par douze heures, sa vitesse est déterminée par les rapports d'engrenages.The driving of the
La pièce d'horlogerie représentée aux figs. 3 à 5 comprend, comme celle de la première forme d'exécution, deux moteurs multipolaires coaxiaux entraînant, de la même façon que dans le cas de la première forme d'exécution, des aiguilles d'heures 20, de minutes 21 et de secondes 22, la première et la dernière directement par leurs rotors respectifs 23 et 24. Dans cette forme d'exécution, l'aiguille des secondes 22 est une aiguille de chronographe, étant agencée pour pouvoir être arrêtée et remise en route à volonté.The timepiece shown in Figs. 3 to 5 comprises, like that of the first embodiment, two coaxial multipolar motors driving, in the same way as in the case of the first embodiment,
Dans cette forme d'exécution, la montre comprend trois moteurs supplémentaires, disposés en croix, c'est-à-dire dont deux sont situés sur un diamètre, indiqué en 25 à la fig. 3, perpendiculaires au diamètre, indiqué par 26, sur lequel sont situés les enroulements, désignés par 27 et 28, respectivement, des deux moteurs centraux coaxiaux. Ces trois moteurs périphériques, dont les rotors ont été désignés par 29, ont chacun leur enroulement, désigné par 30, situé à la périphérie du mouvement. Ils entraînent, directement, à l'aide d'arbres 31 sur lesquels sont montés les rotors 29, des aiguilles 32 qui constituent des totalisateurs du chronographe. L'une ou l'autre des trois aiguilles 32 pourra d'ailleurs fournir toute autre indication désirée. A cet égard, on pourra prévoir que les trois rotors 29 des moteurs périphériques n'aient pas le même nombre de pôles ou même soient bipolaires.In this embodiment, the watch comprises three additional motors, arranged in a cross, that is to say two of which are situated on a diameter, indicated at 25 in FIG. 3, perpendicular to the diameter, indicated by 26, on which are located the windings, designated by 27 and 28, respectively, of the two coaxial central motors. These three peripheral motors, whose rotors have been designated by 29, each have their winding, designated by 30, located at the periphery of the movement. They drive, directly, using
D'une manière générale, il est à noter que l'ensemble des indicateurs des montres décrites et représentées, qu'il s'agisse de ceux qui sont entraînés par les moteurs centraux ou par les moteurs périphériques, pourront fournir des indications différentes de celles qui ont été données à titre d'exemple, telles que des fractions de secondes, des quantièmes, des jours de la semaine, des phases de la lune ou de toute autre indication astronomique, des indications supplémentaires de l'heure de différents fuseaux horaires ou même constituer des indicateurs jour-nuit, dont précisément le moteur d'entraînement pourra être bipolaire.In general, it should be noted that all of the indicators of the watches described and represented, whether they are those driven by the central motors or by the peripheral motors, may provide indications different from those which were given as an example, such as fractions of seconds, dates, days of the week, phases of the moon or any other astronomical indication, additional indications of the time in different time zones or even constitute day-night indicators, including precisely the drive motor may be bipolar.
On pourra également prévoir que l'un ou l'autre des moteurs soit piloté manuellement et serve alors de compteurs d'unités (objets ou points à totaliser).It can also be provided that one or the other of the motors is controlled manually and then serves as unit counters (objects or points to be totaled).
Un substrat, qui n'a pas été représenté, recouvre le mouvement et porte des pistes conductrices représentées à la fig. 5 où certaines d'entre elles ont été désignées par 33. Le substrat porte également un microprocesseur, indiqué en 34 à la fig. 5. Celles des pistes 33 qui se terminent à la périphérie du mouvement aboutissent en regard de boutons-poussoirs de commande des différentes fonctions de la montre, en particulier du chronographe, ou de mise à l'heure.A substrate, which has not been shown, covers the movement and carries conductive tracks shown in FIG. 5 where some of them have been designated by 33. The substrate also carries a microprocessor, indicated at 34 in FIG. 5. Those of
Claims (7)
- Electronic timepiece having an analogic display, the indicators (17, 18; 22, 21) of which are driven by two multipolar motors, the rotors (4, 5; 24, 23) of these two motors being coaxial and being directly rigid with the indicators (17, 18; 22, 21) they drive, respectively, characterized by the fact that the said two multipolar motors are of the type comprising a winding (8, 9; 28, 27) traversed by a core belonging to an armature (6, 7) constituting two extensions between which is disposed the rotor; one (5; 23) of the said rotors being rigid with a tubular shaft (12) carrying one (18; 21) of the said indicators while the rotor (4; 24) of the other motor carries a shaft (13) traversing the said tubular shaft (12) and which carries the other (17; 22) indicator.
- Timepiece according to claim 1, characterized by the fact that the rotor (4, 5; 23, 24) of at least one of the two coaxial motors has sixty poles.
- Timepiece according to claim 1, characterized by the fact that at least one of the said coaxial motors drives, indirectly, a second indicating member (19), through the intermediary of a reducing element one of the members (15) of which is meshing with a wheel (16) rigid with its rotor (5).
- Timepiece according to claim 1, characterized by the fact that the said coaxial motors have their pairs of polar members disposed in such a way that the windings (27, 28) they carry are substantially diametrically opposed with respect to the common axis (26) of the said motors.
- Timepiece according to claim 1, characterized by the fact that the said coaxial motors (24, 27, 28) are situated in the center of the timepiece, this latter comprising moreover at least a supplementary motor (29, 30, 31) situated at its periphery.
- Timepiece according to claim 5, characterized by the fact that it comprises three supplementary peripheric motors (29 - 30 - 31) two of which are substantially diametrically opposed with respect to the center of the timepiece and one of which is situated on a ray substantially perpendicular to the diameter on which are situated the two other ones.
- Timepiece according to claims 4 and 6, characterized by the fact that the diameter on which is situated the third peripheric motor (29 - 30 - 31) coincides with the diameter on which are situated the windings (27, 28) of the two central coaxial motors.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH4140/87A CH672042B5 (en) | 1987-10-22 | 1987-10-22 | |
| CH4140/87 | 1987-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0312946A1 EP0312946A1 (en) | 1989-04-26 |
| EP0312946B1 true EP0312946B1 (en) | 1992-06-24 |
Family
ID=4270565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP88117197A Expired - Lifetime EP0312946B1 (en) | 1987-10-22 | 1988-10-15 | Electronic timepiece |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0312946B1 (en) |
| CH (1) | CH672042B5 (en) |
| DE (1) | DE3872348T2 (en) |
| ES (1) | ES2034096T3 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69000181T2 (en) * | 1989-04-21 | 1993-01-21 | Ebauchesfabrik Eta Ag | ELECTRONIC TIMER WITH AT LEAST TWO MOTORS. |
| CH677578GA3 (en) * | 1989-11-17 | 1991-06-14 | Watch or clock mechanism with two motor drives | |
| CH690632A5 (en) * | 1996-11-27 | 2000-11-15 | Ebauchesfabrik Eta Ag | electromagnetic motor with two coaxial rotors. |
| DE69623787T2 (en) | 1996-11-27 | 2003-05-28 | Eta S.A. Fabriques D'ebauches, Grenchen/Granges | Electromagnetic motor with two coaxial rotors |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3712046A (en) * | 1971-05-24 | 1973-01-23 | H Dill | Rotating ring display |
| GB1385714A (en) * | 1971-08-25 | 1975-02-26 | Dill H G | Multi-phase rotating ring display device |
| FR2353889A1 (en) * | 1976-06-02 | 1977-12-30 | Yema Ste | Multiple function analogue quartz watch - with auxiliary counter, decoder and memory group for digital information display |
| CH626772GA3 (en) * | 1979-12-14 | 1981-12-15 | Electronic timekeeping device |
-
1987
- 1987-10-22 CH CH4140/87A patent/CH672042B5/fr unknown
-
1988
- 1988-10-15 ES ES198888117197T patent/ES2034096T3/en not_active Expired - Lifetime
- 1988-10-15 EP EP88117197A patent/EP0312946B1/en not_active Expired - Lifetime
- 1988-10-15 DE DE8888117197T patent/DE3872348T2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3872348T2 (en) | 1992-12-10 |
| EP0312946A1 (en) | 1989-04-26 |
| CH672042GA3 (en) | 1989-10-31 |
| CH672042B5 (en) | 1990-04-30 |
| DE3872348D1 (en) | 1992-07-30 |
| ES2034096T3 (en) | 1993-04-01 |
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