EP1207439B1 - Elektronische Uhr mit kapazitiven Tasten auf ihrem Abdeckglas - Google Patents

Elektronische Uhr mit kapazitiven Tasten auf ihrem Abdeckglas Download PDF

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Publication number
EP1207439B1
EP1207439B1 EP00204045A EP00204045A EP1207439B1 EP 1207439 B1 EP1207439 B1 EP 1207439B1 EP 00204045 A EP00204045 A EP 00204045A EP 00204045 A EP00204045 A EP 00204045A EP 1207439 B1 EP1207439 B1 EP 1207439B1
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EP
European Patent Office
Prior art keywords
watch
capacitive
electrodes
hand
detection device
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
Application number
EP00204045A
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English (en)
French (fr)
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EP1207439A1 (de
Inventor
Pierre-André Farine
Jean-Charles Guanter
Sergio Rota
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Asulab AG
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Asulab AG
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Publication date
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Priority to DE60042333T priority Critical patent/DE60042333D1/de
Priority to EP00204045A priority patent/EP1207439B1/de
Priority to ES00204045T priority patent/ES2327708T3/es
Priority to AT00204045T priority patent/ATE433140T1/de
Publication of EP1207439A1 publication Critical patent/EP1207439A1/de
Application granted granted Critical
Publication of EP1207439B1 publication Critical patent/EP1207439B1/de
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/08—Touch switches specially adapted for time-pieces
    • 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

Definitions

  • the present invention relates to an electronic watch comprising a housing containing needle display means and provided with a dielectric material ice disposed in front of said needles, and manual control means comprising capacitive keys each provided with a transparent electrode arranged on the inner face of the ice and forming a first armature of a capacitive sensor whose second armature is formed by placing a finger of the wearer of the watch on the outer face of the ice selectively vis-à-vis at least one of the capacitive keys, the control means further comprising detection means for detecting capacitance variations of said sensors and correspondingly producing control signals in the watch.
  • a watch of this kind is described for example in the patent EP 674 247 .
  • the capacitive-key control device makes it possible to replace the usual external control elements such as push-buttons, used to control the various functions of a watch, for example setting the time, switching on and tripping a chronograph or entry into a particular mode of operation.
  • a basic idea of the present invention is to combine the two aforementioned devices in an electronic watch. In addition, the invention achieves this combination in a remarkably simple manner.
  • the invention relates to an electronic watch of the type indicated in the preamble above, characterized in that it comprises means arranged for the capacitive position detection of at least one of the needles, on the basis of variations capacitance between said needle and at least one of the transparent electrodes of the capacitive keys.
  • the invention relates to an electronic watch of the type indicated in the preamble above, characterized in that it comprises means arranged for capacitive position detection of at least one of the needles, said position detection of the needle being effected by means of the detection device associated with the capacitive keys, on the basis of capacitance variations between said needle and at least one fixed electrode.
  • each metal needle whose position is to be detected is generally connected to a fixed potential, in particular the mass of the electric circuits of the watch, just as the wearer's finger acting on the capacitive keys, this particularly advantageous aspect of the The invention involves using the same electronic means to detect the position of the needle or needles and the presence of the finger on a key.
  • the addition of the needle position detection in a capacitive key watch of the kind described in the patent EP 674 247 can be done without substantial modification of the detection electronics.
  • the watch 1 represented in the figure 1 comprises in a conventional manner a sealed housing 2 comprising a metal middle 3, a bottom 4 and an ice 5 of dielectric material, for example mineral glass, organic glass or sapphire.
  • the housing 2 contains an electronic clockwork 6, an electric battery 7 and analogue display means including in particular a minute hand 8 and a hour hand 9 which rotate in an interval defined by a flange 10 between the ice 5 and a dial 11.
  • a printed circuit board 12 carrying one or more integrated circuits 13.
  • the housing 2, as well as the metal needles 8 and 9 are connected to a fixed potential defined by one of the poles of the battery 7 and constituting the electric mass 14. It should be noted that the heights are exaggerated in the figure 1 to clarify the drawing.
  • the watch 1 is equipped with a capacitive button control device based on the principles described in the patent EP 674 247 and actuated by means of a manual control member such as a pusher 15.
  • the capacitive keys are formed by twelve transparent electrodes 21 to 32 shown in FIG. figure 3 and fixed against the inner face of the ice 5, facing the area swept by the minute hand 8.
  • the electrodes 21 to 32 are preferably formed by a layer of a conductive oxide such as ITO (Indium Tin Oxide), this layer further comprising connection tracks 34 and contact pads 35 for connecting each of the electrodes to the printed circuit board 12 via individual conductors 36 and zebra type monolithic connectors (not shown). ) in the flare 10.
  • the beaches 35 are grouped in two diametrically opposite areas of the ice 5, but they could be in a single zone or in several.
  • the electrodes 21 to 32 have a substantially trapezoidal shape, to cover most of the length of the minute hand 8, and they are separated by intervals 37 in the form of radial strips of constant width, substantially equal or slightly greater than those of the needle 8.
  • the intervals 37 are angularly offset by 30 ° relative to each other and are preferably opposite conventional indexes from one hour to twelve hours of the dial. This allows to accurately detect the position of the needle 8 opposite these indexes, as will be described later.
  • the capacitive keys defined by the electrodes 21 to 32 can be identified by names, numbers or symbols placed for example on the dial, on the ice or on the bezel of the housing.
  • Each of the electrodes 21 to 32 forms one of the armatures of a capacitive sensor whose other armature is formed by a finger 38 of the wearer of the watch when the wearer places this finger on the ice 5, selectively opposite the electrode concerned.
  • the finger 38 is electrically connected to the mass 14 via the housing 2 of the watch.
  • the capacitive sensor the placement of the finger 38 on the key formed by the transparent electrode concerned creates a rather large increase in sensor capacity concerned, compared to the parasitic capacitance existing between the electrode and the housing. This capacitance variation is detected by a detection device 40 represented in FIG. figure 2 and incorporated in one of the integrated circuits 13 of the movement 6.
  • the twelve transparent electrodes 21 to 32 are connected to twelve respective terminals of an analog multiplexer 42 of the detection device 40.
  • the twelve capacitive sensors are connected in parallel between the multiplexer 42 and the ground 14.
  • three of these sensors designated S1, S4 and S6 and respectively comprising the electrodes 21, 24 and 26 are represented.
  • a capacitor S13, also connected between the multiplexer 42 and the ground, serves as a reference and is preferably located on the printed circuit board 12.
  • the detection device 40 comprises a controlled current source 43, powered by a reference voltage V R , a circuit 44 with an amplifier and a voltage limiter, a frequency detector 45 associated with a RAM 46, and an operating circuit 47 intended in particular for delivering control signals SC and detection signals SD.
  • the frequency detector 45 and the power supply circuit 47 may each comprise either a logic circuit or a microprocessor.
  • the circuit 44 whose input 44a is connected to the current source 43 and to the multiplexer 42, forms an oscillator with each of the capacitive elements S1 to S13. Its construction can be of the type described in the patent EP 674 247 , to which the reader will refer for further details.
  • This circuit operates as a voltage-frequency converter, ie a voltage-controlled oscillator.
  • the oscillation frequency of its output signal SF is proportional to the inverse of the capacity of the elements S1 to S13 connected to it by the multiplexer 42.
  • the frequency detector 45 receives the signal SF, measures its oscillation frequency by counting the periods in a predetermined time window, and compares this measurement with a stored value which corresponds to the intrinsic capacitance C 0 of the sensor considered (that is, connected by the multiplexer 42) to determine whether the sensor is activated or not. Said intrinsic capacities have been stored in memory 46 in an initialization sequence of the detection device.
  • the frequency detector 45 also controls the multiplexer 42 and the source of current 43.
  • the reference formed by the capacitance S13 must make it possible, on the one hand, to correctly adjust the charging / discharging current i of the capacitive sensors, and on the other hand to measure the drift of the frequency of the oscillator, drift that the software of the frequency detector can then compensate.
  • the value of the reference capacity must in all cases be greater than the intrinsic capacitance values C 0 of the sensors S1 to S12.
  • the state of the twelve sensors S1 to S12 and the reference capacitor S13 is sequentially determined by scanning with the aid of the multiplexer 42, preferably starting with the reference capacitor.
  • the presence of the minute hand 8 facing one of the transparent electrodes 21 to 32 produces an increase in the capacity of the corresponding sensor.
  • this variation in capacity is much smaller, for example about five to ten times smaller than that produced by the placement of the finger 38 on the ice opposite the same electrode.
  • the detection circuit 45 is arranged to compare these variations with predetermined thresholds, to discriminate the variations in capacity caused by the needle relative to that caused by the finger.
  • the output signals that it delivers to the operating circuit 47 indicate, on the one hand, which of the sensors S1 to S12 is activated and, on the other hand, whether this activation is due to the finger 38 or to the As a result, the operating circuit 47 may output a control signal SC if the activation is due to the finger, or a detection signal SD if the activation is due to the needle.
  • the operating circuit 47 is arranged to signal the passage of the needle 8 from one of the electrodes 21 to 32 to the next, or one of the electrodes at the interval 37 separating it from the electrode next. Since the needle is generally driven step by step, this accurately detects the passage of the needle at predetermined positions, from five minutes to five minutes in the present example.
  • the detection circuit 45 can store in the memory 46 the measured values during a scan and then compare with them the new values measured during the next scan. Since the duration of a complete scan can be quite short, for example between 30 and 200 ms depending on the number of sensors, this circuit can accurately detect the moment when the needle 8 begins to cover one of the electrodes, even if it still partially covers the previous electrode. It is thus possible to reduce the gaps 37 between electrodes and to use relatively large needles, producing relatively high capacitance variations and therefore easy to detect.
  • the needle position detection that the device described above allows can be advantageously used to control the concordance between this position and the contents of an electronic minute counter in the movement of the watch.
  • an automatic correction will be made by a suitable number of steps of the motor which drives this needle.
  • the hour hand 9 is further away from the transparent electrodes 21 to 32 than the minute hand 8. In this example, it has, in the vicinity of the electrodes 21 to 32, an area too small to disturb the position detection of the minute hand.
  • the hour hand 9 can be given a sufficient size and placed close enough to the ice 5 to produce, in the sensors S1 to S12, a variation in capacity sufficient to be detectable. .
  • the detection circuit 45 will then have to use an additional predetermined threshold to discriminate the capacity variations due respectively to the hour hand and the minute hand.
  • Another solution shown schematically in dashed lines in the figure 1 is to detect the position of the hour hand 9 by means of one or more fixed electrodes 51 placed on the dial 11, therefore closer to this needle than the minute hand 8.
  • Each of the fixed electrodes 51 then constitutes , with the needle 9, an additional capacitive sensor that can be connected to the multiplexer 42 and scanned by the detection device 40 following the sensors S1 to S12.
  • the same detection device 40 is capable of signaling the actuation of a capacitive key by the finger 38, the position of the minute hand 8 and the position of the hour hand.
  • this hour hand detection system may be combined with the other embodiments described below and may also be provided to detect the position of another hand of the watch.
  • the detection device 40 is normally inactive. It is activated preferably in two particular circumstances. The first is where the wearer of the watch wishes to actuate one of the capacitive control keys by touching the glass 5. It must first put the watch in a control mode, for example by pressing a pushbutton 15 or by an action on the control rod of the watch. This action delivers an initialization signal SI to the operating circuit 47, which will activate the detection circuit 40 and produce the initialization sequence by the detection circuit 45. From this moment, any actuation of a capacitive key by the finger 38 will be detected. Needle positions can also be detected if necessary. The other circumstance is a periodic check of the position of the needle or the hands of the watch. This control can be initialized either by the control S1 described above, or by a specific signal delivered to the operating circuit 47, for example once or twice a day.
  • the figure 4 represents another embodiment of a transparent electrode 61 usable in place of each of the electrodes 21 to 32 described above, that is to say that twelve of these electrodes 61 may be provided around the periphery of the ice 5, which are separated by intervals 62 having a width substantially equal to or slightly greater than that of the minute hand 8.
  • the electrodes 61 do not cover the area swept by the hour hand 9.
  • the electrode 61 is comb-shaped, with a circumferentially continuous base 63 and five teeth 64 extending radially towards the center and separated by gaps 65 of the same width as the gaps 62.
  • the electrical connection between each electrode 61 and the electronic circuits of the watch is carried out in the same way as in the previous example.
  • the figure 5 represents another embodiment, comprising two different types of transparent electrodes 70 and 71 on the inner face of the ice 5 of the watch 1 described above.
  • Each electrode 71 comprises, outside the field swept by the minute hand 8, an enlarged portion 71a forming a capacitive key intended to cooperate with the finger 38 of the wearer and identified for example by a symbol 72 which corresponds to the function controlled by the capacitive key.
  • Each electrode 71 further comprises a narrow portion 71b which extends radially between the adjacent electrodes 70 and has a strip-like shape thereof.
  • Each of the electrodes 70 and 71 is individually connected to the detection circuit. They together form a circular row comprising, for example, thirty electrodes and thirty intervals 73 to allow sixty positions of the needle 8 to be detected.
  • the arrangement of the transparent electrodes illustrated by the figure 5 is modified to comprise only a circular row of thirty electrodes 80 in the form of radial strips, without the enlarged portions 71a shown in FIG. figure 5 .
  • Each capacitive key is then defined by a group 81 to 86 of several (for example two or three) consecutive electrodes 80 that can be covered together by the wearer's finger.
  • the detection device 40 is then arranged to discriminate the cases where a only electrode 80 is activated, which corresponds to the presence of the needle 8 facing this electrode, and the cases where at least two (or all) of the adjacent electrodes 80 of the same group 81 to 86 are activated, which corresponds to the presence of the wearer's finger opposite this group.
  • the reference 88 indicates, for example, an area covered by the finger and in which the presence of the finger creates a variation of capacitance detected in all the electrodes of the group 81 and in some adjacent electrodes, but not in those of the neighboring groups 82 and 86.
  • Detection device 40 will detect that more or all electrodes of group 81 are activated at the same time. Accordingly, it will indicate it as an activation of the corresponding capacitive key by the finger 38 (and not by the needle 8) and deliver the control signal SC corresponding to this key.
  • the operating method of the detection device 40 comprises two independent or simultaneous modes, which are managed thanks to the software and / or the logical arrangement of the elements 45 and 47 of this device: a mode control device with capacitive keys, that the wearer of the watch deliberately switches by means of a member such as the pusher 15, and a needle detection mode that can be triggered and triggered automatically by the watch movement.
  • the control mode can be triggered either by time delay or by manual control.
  • the needle detection may be limited to a restricted region of the area traversed by the needle, for example to only one of the transparent electrodes or to a region including the last electrode detected by the needle. needle and the adjacent electrodes. This limitation is made by means of the multiplexer 42. It allows either a saving of electrical energy, or an increase in the accuracy of measurement of the oscillation frequency through an enlargement of the window counting periods.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Claims (12)

  1. Elektronische Uhr mit:
    - einem Gehäuse (2), das Anzeigemittel mit Zeigern (8, 9) enthält und mit einem Uhrenglas (5) aus dielektrischem Material versehen ist, das vor den Zeigern angeordnet ist, und
    - manuellen Steuermitteln mit kapazitiven Tasten, die jeweils mit zumindest einer transparenten Elektrode (21 bis 32, 61, 71, 80) versehen sind, die an der Innenseite des Uhrenglases angeordnet ist und eine erste Armierung eines kapazitiven Sensors bildet, dessen zweite Armierung aus dem Aufsetzen eines Fingers (38) des Uhrenträgers auf die Außenseite des Uhrenglases selektiv gegenüber zumindest einer der kapazitiven Tasten gebildet ist, wobei die Steuermittel ferner eine Erfassungsvorrichtung (40) aufweisen, um Kapazitätsänderungen der Sensoren zu erfassen und in der Folge Steuersignale in der Uhr zu erzeugen,
    dadurch gekennzeichnet, dass sie Mittel aufweist, die zum kapazitiven Erfassen der Stellung zumindest des einen Zeigers (8, 9) auf Grundlage von Kapazitätsänderungen zwischen dem Zeiger und zumindest einer der transparenten Elektroden (21 bis 32, 61, 71, 80) der kapazitiven Tasten vorgesehen sind.
  2. Uhr nach Anspruch 1, dadurch gekennzeichnet, dass der genannte Zeiger (8, 9) elektrisch an ein festes Potential angeschlossen ist und dass das Erfassen der Stellung des Zeigers mittels der den kapazitiven Tasten zugeordneten Erfassungsvorrichtung (40) erfolgt.
  3. Elektronische Uhr mit:
    - einem Gehäuse, das Anzeigemittel mit Zeigern (8, 9) enthält und mit einem Uhrenglas (5) aus dielektrischem Material versehen ist, das vor den Zeigern angeordnet ist, und
    - manuellen Steuermitteln mit kapazitiven Tasten, die jeweils mit zumindest einer transparenten Elektrode (21 bis 32, 61, 71) versehen sind, die an der Innenseite des Uhrenglases angeordnet ist und eine erste Armierung eines kapazitiven Sensors bildet, dessen zweite Armierung aus dem Aufsetzen eines Fingers (38) des Uhrenträgers auf die Außenseite des Uhrenglases selektiv gegenüber zumindest einer der kapazitiven Tasten gebildet ist, wobei die Steuermittel ferner eine Erfassungsvorrichtung (40) aufweisen, um Kapazitätsänderungen der Sensoren zu erfassen und in der Folge Steuersignale in der Uhr zu erzeugen,
    dadurch gekennzeichnet, dass sie Mittel aufweist, die zum kapazitiven Erfassen der Stellung zumindest des einen Zeigers (8, 9) auf Grundlage von Kapazitätsänderungen zwischen dem Zeiger und zumindest einer festen Elektrode (21 bis 32, 51, 61, 70, 71) vorgesehen sind, wobei das Erfassen der Stellung des Zeigers mittels der den kapazitiven Tasten zugeordneten Erfassungsvorrichtung (40) erfolgt.
  4. Uhr nach Anspruch 3, dadurch gekennzeichnet, dass die feste Elektrode (51, 70) sich von den transparenten Elektroden (21 bis 32, 81, 71) der kapazitiven Tasten unterscheidet.
  5. Uhr nach Anspruch 2, dadurch gekennzeichnet, dass die Erfassungsvorrichtung (40) dazu vorgesehen ist, relativ starke Kapazitätsänderungen, die durch das Aufsetzen des Fingers (38) gegenüber einer der transparenten Elektroden verursacht werden, von geringeren Kapazitätsänderungen zu unterscheiden, die durch das Passieren des Zeigers (8) in der Nähe der transparenten Elektrode verursacht werden.
  6. Uhr nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die transparenten Elektroden (21 bis 32, 61, 70, 71) durch Zwischenräume (37, 62, 73) in Form von radialen Streifen voneinander getrennt sind.
  7. Uhr nach Anspruch 6, dadurch gekennzeichnet, dass die Zwischenräume (37) Stundenziffern des Zifferblatts gegenüberliegen.
  8. Uhr nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die transparenten Elektroden (21 bis 32, 61, 70, 71) im wesentlichen in Form eines Kamms mit radial zum Mittelpunkt der Uhr weisenden Zinken vorliegen.
  9. Uhr nach Anspruch 4, dadurch gekennzeichnet, dass die festen Elektroden (70) aus radialen Streifen gebildet sind, die in einer kreisförmigen Aneinanderreihung an der Innenseite des Uhrenglases (5) angeordnet sind, und dass jede transparente Elektrode (71) der kapazitiven Tasten einen schmalen Abschnitt (71 b) in Form eines radialen Streifens aufweist, der sich in die Aneinanderreihung von festen Elektroden erstreckt, sowie einen erweiterten Abschnitt (71a), der außerhalb der Aneinanderreihung angeordnet ist.
  10. Uhr nach Anspruch 4, dadurch gekennzeichnet, dass die feste Elektrode (51) auf das Zifferblatt (11) der Uhr gesetzt ist.
  11. Uhr nach Anspruch 2, dadurch gekennzeichnet, dass eine kapazitive Taste eine Gruppe (81 bis 86) von transparenten Elektroden (80) aufweist, wobei die Erfassungsvorrichtung (40) dazu vorgesehen ist, Kapazitätsänderungen, die durch das Aufsetzen des Fingers (38) gegenüber mehreren aneinandergrenzenden Elektroden der genannten Gruppe verursacht werden, von der Kapazitätsänderung zu unterscheiden, die durch das Passieren des Zeigers (8) in der Nähe von einer beliebigen Elektrode der Gruppe verursacht wird.
  12. Uhr nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Erfassungsvorrichtung (40) einen Steuermodus umfasst, der dazu bestimmt ist, das Aufsetzen des Fingers (38) gegenüber einer der kapazitiven Tasten zu erfassen, sowie einen Zeigererfassungsmodus, der dazu bestimmt ist, die Stellung zumindest eines der Zeiger (8, 9) zu erfassen, wobei die Erfassungsvorrichtung in der Lage ist, entweder zugleich in den beiden Modi oder aber in nur einem Modus auf einmal betrieben zu werden.
EP00204045A 2000-11-17 2000-11-17 Elektronische Uhr mit kapazitiven Tasten auf ihrem Abdeckglas Expired - Lifetime EP1207439B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE60042333T DE60042333D1 (de) 2000-11-17 2000-11-17 Elektronische Uhr mit kapazitiven Tasten auf ihrem Abdeckglas
EP00204045A EP1207439B1 (de) 2000-11-17 2000-11-17 Elektronische Uhr mit kapazitiven Tasten auf ihrem Abdeckglas
ES00204045T ES2327708T3 (es) 2000-11-17 2000-11-17 Reloj electronico que comprende pulsadores capacitivos sobre su cristal.
AT00204045T ATE433140T1 (de) 2000-11-17 2000-11-17 Elektronische uhr mit kapazitiven tasten auf ihrem abdeckglas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00204045A EP1207439B1 (de) 2000-11-17 2000-11-17 Elektronische Uhr mit kapazitiven Tasten auf ihrem Abdeckglas

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EP1207439A1 EP1207439A1 (de) 2002-05-22
EP1207439B1 true EP1207439B1 (de) 2009-06-03

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EP (1) EP1207439B1 (de)
AT (1) ATE433140T1 (de)
DE (1) DE60042333D1 (de)
ES (1) ES2327708T3 (de)

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EP1424658B1 (de) * 2002-11-26 2006-03-08 Asulab S.A. Sicherheitskode-Eingabeverfahren mit einem berührungsempfindlichen Bildschirm für den Zugriff auf eine Funktion, ein Gerät oder einen vorbestimmten Ort, und zugehörige Vorrichtung
EP1457865B1 (de) 2003-03-12 2017-11-08 Asulab S.A. Substrat mit unsichtbaren elektroden und dessen herstellungsverfahren
DE10326684A1 (de) 2003-06-03 2004-12-23 Ego Control Systems Gmbh + Co. Kg Sensorvorrichtung
ATE403184T1 (de) 2003-12-01 2008-08-15 Asulab Sa Transparantes substrat mit unsichtbaren elektroden und vorrichtungen mit diesem substrat
FR2884939A1 (fr) * 2005-04-21 2006-10-27 Thales Sa Horloge electronique a reglage d'heure manuel
EP1734423B1 (de) * 2005-06-14 2009-10-14 Asulab S.A. Montage eines Sensorglases in einem Gehäuse
EP1734422A1 (de) * 2005-06-14 2006-12-20 Asulab S.A. Zusammenbau eines Glases auf ein berührungsempfindliches Gehäuse
DE602005010988D1 (de) 2005-06-14 2008-12-24 Rado Montres Sa Gehäuse durch ein Glas verschlossen mit nicht sichtbarer Verbindung oder mit Dekorierungsmöglichkeit, und Herstellungsverfahren dafür
WO2007145594A1 (en) * 2006-06-12 2007-12-21 Twin-Act Connection Pte Ltd Timer device
EP2884352A1 (de) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Elektromechanische oder digitale Armbanduhr, die ein Zifferblatt umfasst, und Herstellungsverfahren eines solchen Zifferblatts
CN106773631B (zh) * 2017-01-12 2023-03-28 余喜云 一种可防金属指针误触亮屏的智能手表
TWI636349B (zh) * 2017-10-20 2018-09-21 巨擘科技股份有限公司 腕錶及適用於腕錶的密碼輸入方法

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Publication number Publication date
ATE433140T1 (de) 2009-06-15
EP1207439A1 (de) 2002-05-22
ES2327708T3 (es) 2009-11-03
DE60042333D1 (de) 2009-07-16

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