EP0985169B1 - Vorrichtung zur kontrolle der funktionen einer uhr - Google Patents

Vorrichtung zur kontrolle der funktionen einer uhr Download PDF

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Publication number
EP0985169B1
EP0985169B1 EP98920434A EP98920434A EP0985169B1 EP 0985169 B1 EP0985169 B1 EP 0985169B1 EP 98920434 A EP98920434 A EP 98920434A EP 98920434 A EP98920434 A EP 98920434A EP 0985169 B1 EP0985169 B1 EP 0985169B1
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EP
European Patent Office
Prior art keywords
magnetic induction
movable element
timepiece
current
detecting
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Revoked
Application number
EP98920434A
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English (en)
French (fr)
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EP0985169A1 (de
Inventor
Jean-Daniel Carrard
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JDC Electronic SA
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JDC Electronic SA
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Publication date
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    • 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
    • G04C3/001—Electromechanical switches for setting or display
    • G04C3/004—Magnetically controlled

Definitions

  • the present invention relates to a device for controlling the functions of a time instrument, such as in particular a wristwatch formed of a housing, a bezel, a middle and a bottom, including means for generating a variable magnetic induction flux, means for detecting the variable magnetic induction flux, signal processing means from said detection means, and means for controlling functions of the time instrument, the controlled functions depending on the signals from said processing means.
  • a time instrument such as in particular a wristwatch formed of a housing, a bezel, a middle and a bottom, including means for generating a variable magnetic induction flux, means for detecting the variable magnetic induction flux, signal processing means from said detection means, and means for controlling functions of the time instrument, the controlled functions depending on the signals from said processing means.
  • Control devices currently used on instruments schedules such as wristwatches are usually formed of winders and push buttons having a rod passing through the housing of the time instrument.
  • the stem of the winding and push buttons must can be moved longitudinally to access different functions of the watch.
  • the winding stem must also be able to be rotated around its axis. This rod is in contact with mechanical components and / or electronic devices intended to control the functions of the instrument.
  • This embodiment has a number of disadvantages.
  • the seal at the winding stem is relatively difficult to achieve.
  • one of the permanent magnets When one of the permanent magnets is disposed near a contact, it closes, which establishes a connection between tracks of a circuit printed.
  • the crown is made so that it can take corresponding to different time zones.
  • British Patent Application GB-A-2,043,968 describes a clock, especially for a kitchen oven, using signals to access some oven programming functions.
  • This clock has a winding stem resulting in a permanent magnet.
  • Two REED relays are placed on either side of the permanent magnet, in the same plane. These relays are alternately closed and open, giving a signal which can be processed by a subsequent processing circuit.
  • the rod of winding causes rotation of a crenellated wheel.
  • REED relays are replaced by induction coils formed of a wound conductive wire on a permanent magnet.
  • the rotation of the castellated wheel generates signals in the induction coils.
  • the frequency of these signals is representative the rotational speed, whereas the phase shift is representative of the direction of rotation.
  • this device makes it possible to generate electrical signals representative of the speed and direction of rotation, it can not be integrated in a wristwatch. Indeed, the pivoting element and the elements sensitive to the pivoting element are arranged in the same plane. In the realization described, this is possible by adding on the kitchen oven a housing containing these different elements. This case is set to be splash-proof. Such an achievement is not good heard not conceivable on a wristwatch.
  • the present invention proposes to overcome these disadvantages by realizing a function control device of a time instrument, this device for control being perfectly sealed and allowing automated mounting simple and economical.
  • the movable member advantageously comprises at least one conductive part of magnetic induction flux.
  • the mobile member is pivoting around an axis of rotation.
  • the movable member may comprise a pivot formed of at least one conductive portion of magnetic induction flux, or a winder associated with a winding stem and a formed rotating element of at least one conductive part of magnetic induction flux, the organ mobile is formed of this rotating bezel.
  • the rotating bezel comprises notches arranged inside the housing of the time instrument, and spaced apart on the inner periphery of said rotating bezel.
  • the movable member comprises a blade elastically movable radially inwardly of the time instrument and having a rest position remote from the interior of the time instrument and a pressed position close to the interior of this time instrument.
  • the movable member comprises at least a non-conductive part of the magnetic induction flux.
  • the movable member may also include at least one permanent magnet.
  • the means for detecting the variable magnetic induction flux comprise preferably at least one induction coil composed of a surrounding core an insulated conductive electrical wire forming several turns.
  • the induction detection means variable magnet comprise two coils each formed of a core surrounded by an insulated conductive electrical wire forming several turns.
  • the flow detection means of variable magnetic induction comprise a permanent magnet.
  • the signal processing means preferably comprise means detecting the speed of movement of the movable member, and / or means for detecting the direction of rotation of the movable member.
  • the device 10 is intended to be mounted in a time instrument such as a wristwatch comprising a housing formed of a bezel, a middle part 11 and a bottom. More particularly, this device is intended to be mounted in an electronic watch with analogue and / or digital display. It provides access to functions of the time instrument, these functions being conventional such as setting hours, minutes, seconds, number of days or names of days, for example, or unconventional than setting an altitude or pressure in the case of an altimeter watch or a diving watch, or a time zone change. All kinds of other functions can of course be ordered by these measures.
  • a time instrument such as a wristwatch comprising a housing formed of a bezel, a middle part 11 and a bottom. More particularly, this device is intended to be mounted in an electronic watch with analogue and / or digital display. It provides access to functions of the time instrument, these functions being conventional such as setting hours, minutes, seconds, number of days or names of days, for example, or unconventional than setting an altitude or pressure in the case of an altime
  • the time instrument comprises means 12 for generating a stream variable magnetic induction, flow detection means 13 variable magnetic induction, means 14 for signal processing from said detection means, and means 15 for controlling functions of the time instrument.
  • the means 12 for generating an induction flux variable magnet comprises a movable member 27 consisting of a magnet permanent 16 made in the form of a cylindrical pivot 17 movable around of an axis of rotation 18.
  • This pivot has a diameter smaller than the thickness of the 11 and is arranged in a housing 19 formed in this case.
  • the axis of rotation 18 is vertical when the time instrument is disposed in a horizontal plane and a portion of the pivot protrude from the middle in such a way it can be manually rotated from the outside of the housing the watch.
  • This pivot comprises a North pole 20 and a South pole 21 disposed of symmetrical way on either side of the axis of rotation 18.
  • the detection means 13 of the variable magnetic induction flux comprise two coils 22, 23 disposed inside the housing of the instrument in the immediate vicinity of the hub 17.
  • Each of these coils is formed of a core 24, 25 made of a field-conducting material magnetic, such as for example soft iron. These nuclei are surrounded by a insulated electrical conductor wire 26, so as to form several turns. These coils are connected to the signal processing means.
  • the magnetic induction in the coil 22 reaches a maximum when one of the poles, for example the pole North 20, is near this coil.
  • the pole generating a signal maximum depends on the winding direction of the wire on the coil.
  • the other coil 23 generates a maximum signal when the North Pole 20 is close to this coil as long as the winding direction of the wire 26 is the same as that of the coil 22.
  • FIG. 2 comprises as before a movable member 30 having the shape of a cylindrical pivot 31 rotating around a vertical axis of rotation 32.
  • This pivot consists of a part 33 made of a conductive material of magnetic induction flux and a portion 34 made of a non-conductive induction flux material magnetic.
  • These materials can for example be respectively iron soft and brass or synthetic material.
  • the detection means 13 of the magnetic induction flux comprise a E-shaped core 35.
  • the end branches 36 of the core comprise each an insulated electrical conductor wire 37, wound so as to form several turns, each branch surrounded by wire forming a coil 38, 39.
  • the central branch 40 of the core 35 consists of a permanent magnet 41 having a pole disposed near the movable member 30 and a pole away from this mobile organ.
  • This embodiment works in the same way as that illustrated by the However, since the movable member 30 has no part magnetized permanently, there is no risk that Magnetic particles attach to this organ.
  • the direction of rotation of the organ mobile can be determined in the same way as in the embodiment of Figure 1, that is to say by determining which is the coil which generates a signal in advance of the other signal.
  • FIG. 3 illustrates an embodiment comprising a mobile member 50 made in the form of an elastic blade 51.
  • This blade can take a rest position in which it is remote from the inside of the housing of the time instrument and a pressed position in which the blade is close from inside the case of the time instrument.
  • the pressed position of the blade is not a stable position so that once released, she resumes her rest position.
  • the elastic blade is associated with a permanent magnet 52 having a directed pole towards the inside of the housing and the other pole away from this housing.
  • This device comprises detection means 13 formed of a single coil 53 consisting of a core 54 and a wire 55 forming several turns.
  • the movable member may be made of a metal or a synthetic material for example.
  • the movable member 60 is consisting of an elastic blade 61 formed of a flow conductive material magnetic induction.
  • the detection means 13 of the stream comprise a U-shaped core 62.
  • One of the branches of the U is formed of a magnet 63 and the other branch receives a wire 64 wound so as to form several turns and constituting a coil 65.
  • FIG. 5 illustrates an embodiment comprising a mobile member 70 realized in the form of a sliding shoe 71.
  • This sliding pad moves linearly, substantially tangentially to the edge of the housing of the instrument hour, in a slide 72 made in the middle 11 of this instrument.
  • the movable member is formed of a permanent magnet 73 whose poles are arranged towards each of the ends of the slide.
  • the detection means 13 of the variation of the magnetic induction flux comprise a coil 74 consisting of a core 75 and a wire 76 forming several turns.
  • the embodiment of Figure 6 is similar to that of Figure 5.
  • the movable member 80 is made of a flow conductive material magnetic induction and moves to close and open alternately a magnetic circuit.
  • the flow detection means 13 comprise a U-shaped core 83 one of the branches forms a coil 84 and whose other branch constitutes a permanent magnet 85.
  • FIGS. 7A, 7B, 8A, 8B illustrate two embodiments allowing to use a movable member having a conventional winding appearance.
  • the movable member 90 is formed of a winding 91, a rotating element 92 having a portion 93 made in one conductive material of the magnetic induction flux and a portion 94 made in a non-conductive material of the magnetic induction flux.
  • the winder and the rotating member are fixed by means of a rod 95 similar to a rod of winding, but not passing through the housing of the time instrument.
  • the detection means 13 comprise a similar E-shaped core 96 at the core 35 of Figure 2. As shown in Figure 7B, the three E-shaped core 96 branches are arranged in a plane P1 not passing through the center of the rotating element 92.
  • the gap between the plane P1 and the center of the element 92 makes it possible to determine the direction of rotation of this rotating element.
  • the rotation of the winder clockwise and counterclockwise gives signals identical which are usable for the control of the functions of the hourly instrument, but which do not make it possible to determine the meaning of rotation of the winder.
  • Figs. 8A and 8B illustrate an embodiment similar to that of Figures 7A and 7B.
  • the movable member 100 has a rotating element 106 consists of a permanent magnet 101 having poles arranged on the side and else of the axis of rotation of this rotating element.
  • the detection means 13 comprise an E-shaped core 102, the two end branches of which are provided with an electrical wire 103 insulated so as to constitute two coils 104, 105.
  • the branches of the nucleus are arranged in a plane P2 not passing through the middle of the organ mobile, which makes it possible to determine its direction of rotation.
  • the time instrument 110 includes an organ mobile 130 formed of a rotating bezel 111 inside which are made notches 112 regularly spaced.
  • This bezel turns around an axis of rotation 109 disposed substantially in the center of the instrument. It is made of a conductive induction flux material magnetic, such as some stainless steels.
  • the detection means 13 of this embodiment comprise a core 113 E-shaped whose intermediate branch is formed of a magnet permanent 114 and whose end branches constitute two coils 115, 116 each comprising an insulated conducting electrical wire 117 forming several turns.
  • the spacing between two consecutive notches is such that it is possible to determine the direction of rotation of the rotating bezel.
  • the bezel has enough notches so that it is not necessary to turn a very important angle.
  • the signals from the two coils 115, 116 are not out of phase with each other. 180 °.
  • a phase shift of 180 ° occurs when the width of a notch is substantially the same as the distance between two adjacent branches of the E-shaped core and the distance between two consecutive notches is substantially the same as the distance between two consecutive branches of this core.
  • the timepiece has a detachable pin 118 which can be contact with the rotating bezel to prevent rotation, and that can be moved to allow rotation.
  • the rotating bezel 111 can be moved longitudinally with respect to the axis of rotation 109.
  • the middle part comprises an index 119 arranged to receive one of the notches of the mobile telescope.
  • FIG. 10 illustrates the signal processing means 14 originating from the detection means 13 described above. More particularly, part of these processing means 14 'is used when the detection means 13 'comprise two coils 120, 121 which corresponds for example to the embodiments illustrated in Figures 1, 2, 7, 8 and 9, and the other portion processing means 14 "is used with detection means 13" having a coil 122, which corresponds, for example to the modes of embodiment of FIGS. 3 to 6.
  • the detection means 13 ' are associated with a movable member 30 in the form of a pivot cylindrical 31 similar to the pivot 31 of Figure 2.
  • the detection means 13 are associated with a movable member 60 made in the form of a blade similar to that of FIG. 4. These detection means 13 "are intended to allow entry into function control mode.
  • the detection means 13 ' are used to control the functions. It is however, it should be noted that the detection means 13 'and 13 "can also be used alone to enter function control mode and to order these functions.
  • the part of the processing means 14 "associated detection means 13” comprise an amplifier 123 in which is introduces a signal from the coil 122. The signal coming out of this amplifier 123 is introduced into a monostable rocker 124 which sets function a supply of processing means 14 'if a signal has been detected.
  • the amplifier 123 is powered intermittently, for example during 10 ms every 100 ms. Thus, if the elastic blade 61 is actuated during that the amplifier 123 is powered, the power of the processing means 14 'is engaged continuously. If the control means 15 are not actuated for a predetermined time, feeding the means of treatment 14 'is again interrupted. This allows to minimize the amount of energy consumed.
  • the part of the processing means 14 'associated with the detection means 13' comprises two amplifiers 125, 126 with low consumption, each of these amplifiers receiving the signals from one of the coils 120, 121.
  • the signals outgoing amplifiers are introduced into a discriminator circuit of phase 127.
  • This circuit generates an "advance" signal, having for example a high logic level when the signal from coil 120 is ahead of phase with respect to the signal of the coil 121, and signal “recoil” level logic low otherwise.
  • This phase discriminator 127 allows thus to determine the direction of rotation of the movable member 30.
  • the processing means 14 ' also comprise a discriminator circuit frequency 128. This circuit receives on the one hand an outgoing signal directly of one of the two amplifiers, and on the other hand the signal "advance” or "recoil” phase discriminator 127.
  • This frequency discriminator is for example arranged to determine two ranges of rotational speeds of the movable member 30 corresponding to two frequency ranges of the signals leaving the amplifiers 125, 126.
  • One of the speeds can be called “slow speed” and corresponds to a non-zero frequency lower than a given threshold, and the other speed can be called “fast speed” and corresponds to a higher frequency threshold.
  • the device according to the present invention delivering a logic signal, it is easy to use this signal to access all kinds of functions of the instrument schedule. For example, it is possible to make the movable member operating only after a particular manipulation has been carried out, as example a fast speed lap in one direction followed by a speed lap fast in the other direction. This allows access to different functions of the time instrument using only the four signals coming from the combination of speed signals and direction of rotation signals. In this case, each particular manipulation corresponds to four functions.
  • FIG. 11 illustrates two signals generated by two coils 120, 121 such as shown in Figure 10.
  • the bottom signal is in advance compared to the signal shown at the top of the figure, which corresponds to a determined direction of rotation, for example the clockwise direction of the movable member 30.
  • the offset depends on the distance between two branches consecutive kernel and the shift between the plane containing the nucleus and the center of the movable organ and can thus be modified by changing the dimension of the nucleus and its position.
  • the functions that can be controlled by means of the device according to the present invention are all those which can be ordered at means of a conventional winding stem or push buttons and, in particular, the time setting of the instrument, the beam change schedule, modification of the date, modification of the name of the day. all other function that can be managed by a logical signal can also be controlled by this device.
  • the present invention is not limited to the described embodiments, but extends to any modification or variant obvious to a person skilled in the art.

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  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Claims (15)

  1. Vorrichtung zum Steuern von Funktionen eines Zeitmessgerätes, wie insbesondere einer Armbanduhr, die von einem Gehäuse, einem Glasreif, einem Gehäuse-Mittelteil und einem Boden gebildet ist, enthaltend Mittel (12) zum Erzeugen eines variablen magnetischen Induktionsflusses, Mittel (13, 13', 13") zum Erfassen des variablen magnetischen Induktionsflusses, Mittel (14, 14', 14") zum Verarbeiten von Signalen aus den Erfassungsmitteln sowie Mittel (15) zum Steuern der Funktionen des Zeitmessgerätes, wobei die gesteuerten Funktionen von den Signalen aus den Verarbeitungsmitteln abhängig sind, dadurch gekennzeichnet, dass die Mittel (12) zum Erzeugen eines variablen magnetischen Induktionsflusses ein bewegliches Organ (27, 30, 50, 60, 70, 80, 90, 100, 130), das von außerhalb des Gehäuses des Zeitmessgerätes zugänglich ist, sowie ein festes Organ enthalten, welches innerhalb des Gehäuses der Uhr angeordnet ist, wobei das bewegliche Organ (27, 30, 50, 60, 70, 80, 90, 100, 130) keine kinematische Verbindung mit dem Innenraum des Gehäuses des Zeitmessgerätes aufweist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das bewegliche Organ (30, 60, 80, 90, 130) wenigstens ein den magnetischen Induktionsfluss leitendes Teil (33, 93) umfasst.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das bewegliche Organ (27, 30, 90, 100, 130) um eine Rotationsachse drehbar ist.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das bewegliche Organ (27, 30) einen Zapfen (17, 31) enthält, der von wenigstens einem den magnetischen Induktionsfluss leitenden Teil (33) gebildet ist.
  5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das bewegliche Organ (90, 100) eine Aufziehvorrichtung (91) aufweist, die einer Aufzugwelle (95) und einem Drehelement (92, 106) zugeordnet ist, das von wenigstens einem den magnetischen Induktionsfluss leitenden Teil (93) gebildet ist.
  6. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das Zeitmessgerät einen drehbaren Glasreif (111) aufweist und dass das bewegliche Organ (130) von diesem drehbaren Glasreif gebildet ist.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der drehbare Glasreif (111) Nuten (112) enthält, die zum Innenraum des Gehäuses des Zeitmessgerätes angeordnet und über den Innenumfang des drehbaren Glasreifs beabstandet sind.
  8. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das bewegliche Organ (50, 60) eine elastische Zunge (51, 61) aufweist, die zum Innenraum des Zeitmessgerätes radial beweglich ist und die eine Ruhestellung, welche vom Innenraum des Zeitmessgerätes entfernt ist, sowie eine gedrückte Stellung nahe des Innenraums dieses Zeitmessgerätes hat.
  9. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das bewegliche Organ (30, 90) wenigstens ein den magnetischen Induktionsfluss nicht leitendes Teil (34, 94) enthält.
  10. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das bewegliche Organ (27, 50, 70, 100) wenigstens einen Permanentmagneten (16, 52, 73, 101) enthält.
  11. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel (13, 13', 13") zum Erfassen des variablen magnetischen Induktionsflusses wenigstens eine Induktionsspule (22, 23, 38, 39, 53, 65, 74, 84, 104, 105, 115, 116, 120, 121, 122) enthalten, die aus einem Kern (24, 25, 35, 54, 62, 75, 83, 96, 102, 113) besteht, der von einem mehrere Windungen bildenden isolierten Leitungsdraht (26, 37, 55, 64, 76, 103, 117) umgeben ist.
  12. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass die Mittel (13, 13') zum Erfassen der variablen magnetischen Induktion zwei Spulen (22, 23, 38, 39, 104, 105, 115, 116, 120, 121) enthalten, die jeweils von einem Kern (24, 25, 35, 96, 102, 113) gebildet sind, welcher von einem mehrere Windungen bildenden isolierten Leitungsdraht (26, 37, 103, 117) umgeben ist.
  13. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel (13, 13', 13") zum Erfassen des variablen magnetischen Induktionsflusses eine Permanentmagneten (41, 3, 85, 114) enthalten.
  14. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel (14, 14') zum Verarbeiten von Signalen Mittel zum Erfassen der Bewegungsgeschwindigkeit des beweglichen Organs enthalten.
  15. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Mittel (14') zum Verarbeiten von Signalen Mittel zum Erfassen der Drehrichtung des beweglichen Organs enthalten.
EP98920434A 1997-05-26 1998-05-22 Vorrichtung zur kontrolle der funktionen einer uhr Revoked EP0985169B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9706561 1997-05-26
FR9706561A FR2763710B1 (fr) 1997-05-26 1997-05-26 Dispositif de commande de fonctions d'un instrument horaire et procede pour la mise en oeuvre de ce dispositif
PCT/CH1998/000215 WO1998054624A1 (fr) 1997-05-26 1998-05-22 Dispositif de commande de fonctions d'un instrument horaire et procede pour la mise en oeuvre de ce dispositif

Publications (2)

Publication Number Publication Date
EP0985169A1 EP0985169A1 (de) 2000-03-15
EP0985169B1 true EP0985169B1 (de) 2005-04-06

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EP98920434A Revoked EP0985169B1 (de) 1997-05-26 1998-05-22 Vorrichtung zur kontrolle der funktionen einer uhr

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US (1) US6134189A (de)
EP (1) EP0985169B1 (de)
JP (1) JP2002510388A (de)
AU (1) AU7329298A (de)
DE (1) DE69829659D1 (de)
FR (1) FR2763710B1 (de)
WO (1) WO1998054624A1 (de)

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JP2002510388A (ja) 2002-04-02
US6134189A (en) 2000-10-17
EP0985169A1 (de) 2000-03-15
DE69829659D1 (de) 2005-05-12
FR2763710B1 (fr) 1999-08-27
WO1998054624A1 (fr) 1998-12-03
AU7329298A (en) 1998-12-30
FR2763710A1 (fr) 1998-11-27

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