WO2013017912A1 - Horloge à quartz à indicateurs multi-usage - Google Patents

Horloge à quartz à indicateurs multi-usage Download PDF

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Publication number
WO2013017912A1
WO2013017912A1 PCT/IB2011/053418 IB2011053418W WO2013017912A1 WO 2013017912 A1 WO2013017912 A1 WO 2013017912A1 IB 2011053418 W IB2011053418 W IB 2011053418W WO 2013017912 A1 WO2013017912 A1 WO 2013017912A1
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WO
WIPO (PCT)
Prior art keywords
time
unit
time display
microcontroller
pointer
Prior art date
Application number
PCT/IB2011/053418
Other languages
English (en)
Chinese (zh)
Inventor
王树钧
Original Assignee
中惠佳时电子厂有限公司
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 中惠佳时电子厂有限公司 filed Critical 中惠佳时电子厂有限公司
Priority to PCT/IB2011/053418 priority Critical patent/WO2013017912A1/fr
Publication of WO2013017912A1 publication Critical patent/WO2013017912A1/fr

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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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/065—Dials with several parts
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • 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

Definitions

  • the invention relates to a quartz watch technology, in particular to a multi-purpose quartz watch.
  • the chronograph in the prior art generally refers to a watch having a chronograph function, and the function of the stopwatch is incorporated in the watch.
  • the chronograph can be divided into mechanical, electronic quartz or digital.
  • the mechanical chronograph has the most complicated structure and the worst accuracy.
  • the price is the highest among the three.
  • the digital precision is the highest, but the price is the lowest among the three.
  • the current quartz electronic chronograph generally set the hour and minute hands on the main dial to indicate the current time; the second hand on the main dial is only used as timing in some quartz electronic chronographs, and the timing reading is indicated when the timing function is activated, and the timing function is stopped. It does not run at all; the main dial has two or three small dials for timing, such as a minute dial with 60 grids, a small dial with 60 grids, etc. Each small dial has a pointer, indicating timing reading.
  • the quartz electronic chronograph has a timer start/stop button and a timed reset button. To start the chronograph function, simply press the chronograph start/stop button, and the hands for each chronograph will start to operate accordingly.
  • every second of the second hand on the main dial will take a minute for the minute dial;
  • the pointer of the dial is taken one turn, the pointer of the hour dial will go one step; until the user presses the timer start/stop button again, the hands for each timing stop running, indicating the timing reading.
  • press the chronograph reset button to reset each chronograph pointer to the 12 o'clock position on the corresponding dial.
  • the gear set that drives the second dial of the main dial is connected to a stepper motor that is driven by an integrated circuit connected to a quartz oscillator to ensure that each pass is one second; the main dial
  • the gear set of the second hand is connected to the gear set of the pointer of the minute dial to drive the pointer, and the gear set of the minute dial is connected to the gear set of the pointer of the hour dial to drive the pointer.
  • quartz electronic chronographs In addition to providing timing functions, quartz electronic chronographs also provide functions such as a perpetual calendar, but as mentioned above, the movement of each pointer requires a relatively sophisticated mechanical transmission part from the watch movement. For example, gears, push rods, etc. transmit power, which increases production costs. Moreover, the date of such watches needs to be manually adjusted (for example, it is necessary to manually skip 31 days in a month with a small number of days), which is inconvenient to use.
  • the object of the present invention is to overcome the shortcomings and deficiencies of the prior art, and to provide a multi-purpose quartz timepiece with simple structure, reasonable structure, convenient use and good applicability.
  • a multi-purpose quartz timepiece comprising a plurality of time display components, each time display component comprising a pointer, a gear set for driving the pointer, and a stepping motor for driving the gear set; each time display component is not related, independent Operation; and a quartz oscillator, which is electrically connected to the microcontroller; a microcontroller is also provided, which is electrically connected to each time display component, and sends a signal to each time display component to control the stepping of each time display component.
  • the motor displays the output of the microcontroller as a pointer; it also has a power supply that is electrically connected to the microcontroller and supplies power to it.
  • the microcontroller includes a plurality of time functional units that implement different functions, and includes a function switching unit that receives a signal of a function switching switch and activates or suspends each time function unit by a preset programming.
  • the time function unit may be an accumulation timing unit, a current time display unit, a current year display unit, a current month display unit, a current day display unit, a current date display unit, a countdown unit, a preset time prompt unit, or a time zone and winter and summer. Make time to adjust the unit.
  • the microcontroller issues up to 30 signals to the time display component in one second, and the time display component drives the pointer to move 6 degrees for each signal received. Therefore, the pointer can move 180 degrees in 1 second at the earliest. This design ensures that this versatile quartz clock can quickly move the pointer to the correct position when switching between time units.
  • each gear set includes three to five gears. If the number of gears is too small, a small angle of movement cannot be achieved; if the number of gears is too large, the structure becomes complicated, the cost is increased, and it is not always possible to achieve rapid movement.
  • the power source is a lithium battery or a light energy battery; or the power supply is provided by the foregoing two power sources, the use time of the quartz watch is continued, and when one of the power sources fails, the other power source continues to provide power, and the quartz watch does not stop. Running.
  • a power indicator light is provided on the case of the quartz watch to indicate whether the quartz watch is a lithium battery or a light battery.
  • the light energy battery is disposed on a strap of a quartz timepiece, and the position of the light energy battery is set on the watchband
  • the corresponding setting has a transparent window, so that the light can be directly directed to the light energy battery, so that it absorbs light energy to generate electricity.
  • the light energy battery can be one big and one small two light energy batteries; the large light energy battery provides more energy but needs to be started for a longer time, so a small light energy battery is additionally provided, and the small light energy battery has a shorter starting time, so Even if the watch is completely powerless at the beginning, as long as it comes into contact with light, the small light battery can operate in a few seconds, supporting the basic functions of the watch, so the user does not have to wait for the large light battery to fully charge before using the watch. During this period of power supply from the small light battery, the large light battery can continue to charge until the charging is completed.
  • a backlight structure may be disposed inside the quartz clock, specifically including a diffusing plate and a light emitting diode.
  • the light emitting diode is disposed on the rear side of the diffusing plate, and when the light emitting diode emits light, the light passes through the diffusing plate.
  • the position of the pointer can be clearly displayed to display the time.
  • each pointer is from a separate stepping motor, and each stepping motor is controlled by a microcontroller, which can greatly reduce the number of parts used, thereby improving accuracy and reducing Production costs, and ensure that this multi-purpose quartz clock can quickly move the pointer to the correct position when switching between time units.
  • the perpetual calendar data and time zone data for major cities around the world are programmed in the microcontroller, so that the user does not have to manually adjust the date and can easily adjust the time difference made by the outside tour.
  • the invention can be powered by a lithium battery and a photovoltaic battery at the same time, which is environmentally friendly and reduces the inconvenience caused by replacing the battery.
  • Figure 1 is a schematic view showing the structure of a first embodiment of a quartz timepiece according to the present invention.
  • Fig. 2 is a schematic view showing another structure of the first embodiment.
  • Fig. 3 is a circuit diagram of the first embodiment.
  • Figure 4 is a schematic view showing the structure of a second embodiment of the quartz timepiece of the present invention.
  • Figure 5 is a schematic view showing the structure of a third embodiment of the quartz timepiece of the present invention.
  • Figure 6 is a schematic view showing the structure of a fourth embodiment of the quartz timepiece of the present invention.
  • Fig. 7 is a circuit diagram of a fourth embodiment.
  • Figure 8 is a schematic view showing the structure of a fifth embodiment of the quartz timepiece of the present invention.
  • Fig. 9 is a schematic view showing another structure of the fifth embodiment.
  • Fig. 10 is a circuit diagram of the fifth embodiment.
  • Figure 11 is a schematic view showing another structure of the fifth embodiment.
  • Figure 12 is a circuit diagram of a sixth embodiment.
  • Figure 13 is a circuit diagram of a seventh embodiment.
  • Figure 1-3 shows a first embodiment of the invention.
  • three time display components are provided, which are the first time display component 1 and the second time display component 2, respectively.
  • Each time display assembly 1, 2, 3 includes a pointer 11, 21, 31, a gear set 12, 22, 32 for driving the pointer, and stepper motors 13, 23, 33 for driving the gear set.
  • Each time display component 1, 2, 3 is not connected, and each operates independently; three pointers 11, 21, 31 are set differently on three dials.
  • the embodiment further includes a quartz oscillator 4, a microcontroller 5, a power supply 6, a start I stop timing switch 7 and a timing reset switch 8.
  • the quartz oscillator 4 is electrically connected to the microcontroller 5, and the microcontroller 5 is electrically connected to each The time display components 1, 2, 3, and send signals to the respective time display components 1, 2, 3 to control the stepping motors 13, 23, 33 of the respective time display components 1, 2, 3 to the microcontroller 5
  • the outputs are shown with pointers 11, 21, 31; the power supply 6 is electrically coupled to the microcontroller 5 and supplies power thereto.
  • the microcontroller 5 of the embodiment includes three time function units for realizing different functions, which are three types of cumulative timing units: cumulative calculation of tenths of a second unit, cumulative calculation of seconds unit, and cumulative calculation of minute units.
  • the three time function units receive the signals of the start/stop timing switch 7 and the timing reset switch 8 to implement the timing function of the general timer, which is similar to the structure and operation of the prior art timer, and will not be described herein.
  • the present embodiment is characterized in that the cumulatively calculated tenths of a second unit, the cumulatively calculated second number unit, and the cumulatively calculated minute unit are output through the first time display component 1, the second time display component 2, and the third time display component 3, respectively.
  • the pointers 11, 21, 31 are displayed; for example, after the start/stop timing switch 7 is started, the timing starts, and the microcontroller 5 displays the output of the unit by one tenth of a second according to the cumulative calculation to the first time every tenth of a second.
  • the component 1 sends out a signal, and the first time display component 1 drives the pointer 11 to move 18 degrees every time it receives a signal, until the start I stops receiving the timer. Stop signal switch 7; the same time, the microcontroller 5 outputs a cumulative number of seconds each second unit display module 2 emits a signal, each second time display module 2 receives a signal 21 drives the pointer to the second time Moves 6 degrees until the stop signal of the start/stop timing switch 7 is received; meanwhile, the microcontroller 5 sends 1 signal to the third time display component 3 every minute according to the output of the cumulative calculation minute unit, the third time display component 3 The pointer 31 is moved by 6 degrees every time a signal is received until the stop signal of the start I stop timing switch 7 is received.
  • the microprocessor 5 calculates and controls the positions of the pointers 11, 21, 31 of the first time display component 1, the second time display component 2, and the third time display component 3 according to the first time.
  • the pointers 11, 21, 31 move to the position of 12 o'clock.
  • FIG. 4 shows a second embodiment of the invention.
  • three time display components are provided in the same manner as the first embodiment, which are a first time display component 1, a second time display component 2, and a third time display component 3.
  • Each time display assembly 1, 2, 3 includes a pointer 11, 21, 31, a gear set (not shown) for driving the pointers 11, 21, 31, and a stepping motor for driving the gear set (not shown) ).
  • Each time display component 1, 2, 3 is not connected, and each operates independently; three pointers 11, 21, 31 are set differently on three dials.
  • the embodiment further includes a quartz oscillator (not shown), a microcontroller (not shown), a power source (not shown), and a function switch 9.
  • the quartz oscillator is electrically connected to the microcontroller, and the microcontroller electrically connects the time display components 1, 2, 3, and sends signals to the respective time display components 1, 2, 3 to control the driving of each time display component 1, 2, 3
  • the stepper motor displays the output of the microcontroller as pointers 11, 21, 31; the power supply is electrically connected to the microcontroller and powered.
  • the microcontroller of the embodiment includes six time function units for realizing different functions, respectively, three cumulative timing units: a cumulative calculation tenth of a second unit, a cumulative calculation second unit, and a cumulative calculation minute unit, And three current time display units: the current hour display unit, the current minute display unit, and the current number of seconds display unit.
  • the microcontroller further includes a function switching unit that receives the signal of the function switching switch 9 and starts or pauses each time according to a preset program.
  • Functional unit For example, the user switches to the timing function according to the function switching switch 9, and the microcontroller receives the signal of the function switching switch 9 and starts the cumulative calculation by one tenth of a second unit, the cumulatively calculated second number unit, and the cumulatively calculated minute unit according to a preset programming. And pause the current hour display unit, the current minute display unit, and the current number of seconds display unit.
  • the microcontroller sends signals to the respective time display components 1, 2, 3 to control the driving of the time display components 1 , 2, 3, and the stepping motor will cumulatively calculate the tenth of a second unit, the cumulative calculated second unit, and the cumulative calculation.
  • the output of the minute unit is displayed with the pointers 11, 21, 31.
  • the microcontroller Receiving the signal of the function switch 9 and starting the current hour display unit, the current minute display unit and the current number of seconds display unit according to preset programming, and suspending the cumulative calculation of the tenth second unit, the cumulative calculation second unit, and the cumulative calculation minute unit .
  • the microcontroller sends signals to the respective time display components 1, 2, 3 to control the output of the current hour display unit, the current minute display unit and the current second display unit by the stepper motor driving the time display components 1, 2, 3 Displayed with pointers 11, 21, 31.
  • Fig. 5 shows a third embodiment of the invention.
  • two time display components are provided, which are the first time display component 1 and the second time display component 2, respectively.
  • Each time display assembly 1, 2 includes a pointer 11, 21, a gear set (not shown) for driving the pointers 1 1 , 21, and a stepping motor (not shown) for driving the gear set.
  • Each time display component 1, 2 is not connected, and each operates independently; two hands 11, 21 are concentrically arranged on two dials.
  • the embodiment further includes a quartz oscillator (not shown), a microcontroller (not shown), a power source (not shown), a function changeover switch 9, and a vibrator 10.
  • the quartz oscillator is electrically connected to the microcontroller, and the microcontroller electrically connects the time display components 1, 2 and the vibrator 10, and sends signals to the respective time display components 1 and 2 to control the steps of driving the display components 1 and 2 for each time.
  • the feed motor displays the output of the microcontroller with the hands 11, 21 and signals the vibrator 10 to tamper with the vibrator 10 to indicate to the user under preset conditions (if the countdown is completed); Controller and power it.
  • the microcontroller of this embodiment includes a countdown unit and a preset time prompt unit. The operation of each unit has been provided in the prior art, and details are not described herein.
  • the microcontroller further includes a function switching unit that receives the signal of the function switching switch 9 and starts or pauses each time according to a preset program.
  • Functional unit For example, the user switches to the countdown function according to the function switch 9, and the microcontroller receives the signal of the function switch 9 and starts the countdown unit according to the preset programming, and pauses the preset time prompt unit.
  • the microcontroller issues a signal to each of the time display components 1, 2 to control the drive of each time display component 1, 2, and the output of the countdown unit is displayed as pointers 11, 21.
  • the microcontroller When the user presses the function switch 9 again to switch to the preset time prompt function, the microcontroller receives the signal of the function switch 9 and starts the preset time prompt unit according to the preset programming, and pauses the countdown unit.
  • the microcontroller issues a signal to each of the time display components 1, 2 to control the drive of each time display component 1, 2, and the output of the preset time prompting unit is displayed by the pointers 11, 21.
  • 6 and 7 show a fourth embodiment of the present invention. In this embodiment, in addition to providing a separate dial to display the current time in the prior art, three time display components are provided, which are the first time display component 1, the second time display component 2, and The component 3 is displayed for the third time.
  • Each time display component includes a pointer 11, 21, 31, a gear set (not shown) for driving the pointer, and stepping motors 13, 23, 33 (not shown) for driving the gear set.
  • Each time display component 1, 2, 3 is not connected, and each operates independently; three pointers 11, 21, 31 are set differently on three dials.
  • the embodiment further includes a quartz oscillator 4, a microcontroller 5, a power source (not shown), and a function switching switch 9.
  • the crystal oscillator 4 is electrically connected to the microcontroller 5, and the microcontroller 5 is electrically connected to each of the time display components 1, 2, 3, and sends signals to the respective time display components 1, 2, 3 to control the driving of each time display component 1,
  • the stepping motors 13, 23, 33 of 2, 3 display the output of the microcontroller 5 with the hands 11, 21, 31; the power supply is electrically connected to the microcontroller 5 and supplies power thereto.
  • the microcontroller 5 of the embodiment includes four time function units for implementing different functions, namely, the current year hour and minute display unit, the current month day date display unit, the preset time prompt unit, the time zone, and the winter and summer orders. Time adjustment unit.
  • the time zone and winter and summer time adjustment unit preloads the time zone data and winter and summer time data of the preset world major cities to adjust the local time to the specified time zone according to the user's needs, and automatically calculate the appropriate winter according to the current date. / Summer time. In this embodiment, it can be adjusted to Japan, China, Germany, the United Kingdom, the US Eastern Standard Time, the US Central Standard Time, the American Mountain Standard Time, and the US Pacific Standard Time according to the needs of the user. The operation of each unit has been provided in the prior art, and details are not described herein.
  • the microcontroller 5 further includes a function switching unit that receives the signal of the function switching switch 9 and starts or pauses according to a preset program. Time functional unit.
  • the function switching unit is connected to a current function display pointer 91.
  • the current function display pointer 91 moves the preset degree to display the currently active function.
  • the user presses the function switch 9 to switch to the current year hour and minute display function
  • the microcontroller 5 receives the signal of the function switch 9 and starts the current year hour and minute display unit by preset programming, and suspends other units.
  • the microcontroller 5 sends signals to the respective time display components 1, 2, 3 to control the stepping motors 13, 23, 33 of the respective time display components 1, 2, 3 to use the current year hour and minute display unit outputs as pointers 11, 21, 31 are displayed.
  • the current function display pointer 91 moves the preset degree to display that the currently active function is the current month day date display function, and the microcontroller 5 receives the function switch.
  • Switch 9 The signal is programmed to start the current month week date display unit and to pause other units.
  • the microcontroller 5 sends signals to the respective time display components 1, 2, 3 to control the stepping motors 13, 23, 33 for driving the respective time display components 1, 2, 3 to output the output of the current month week date display unit as the pointer 11 , 21, 31 shows.
  • the current function display pointer 91 moves the preset degree to display that the currently active function is the preset time prompt function, and the microcontroller 5 receives the function switch 9
  • the signal is programmed to start the preset time prompt unit by preset programming and to suspend other units.
  • the microcontroller 5 sends signals to the respective time display components 1, 2, 3 to control the stepping motors 13, 23, 33 of the respective time display components 1, 2, 3 to output the preset time prompting unit to the pointer 11, 21, 31 shows.
  • the current function display pointer 91 moves the preset degree to display that the currently active function is the British time zone and the winter and summer time adjustment.
  • the microcontroller 5 receives the signal of the function switch 9 and presses the preset programming start time zone and the winter and summer time adjustment unit to adjust the current time to the current time of the UK time zone, and suspend other units.
  • the microcontroller 5 sends signals to the respective time display components 1, 2, 3 to control the stepping motors 13, 23, 33 that drive the respective time display components 1, 2, 3 to adjust the time to the UK time zone by the pointer 11. , 21, 31 display; the remaining time zone and winter and summer time adjustment function operation is similar to the foregoing, and will not be described here.
  • the power source is a light energy battery 61 and a 3.6V rechargeable lithium battery 62.
  • the light energy battery 61 is set on the strap of the quartz timepiece, and the position of the light energy battery 61 is set on the watchband correspondingly with a transparent window, so that the light can be directly directed to the light energy battery 61, so that it absorbs light energy to generate electricity.
  • a backlight structure is disposed inside the quartz clock, specifically including a diffusing plate 101 and a light emitting diode 102.
  • the light emitting diode 102 is disposed on one side of the diffusing plate 101. When the light emitting diode 102 emits light, the light is emitted through the diffusing plate 101. The position of the pointer can be clearly displayed to display the time.
  • Fig. 12 shows a sixth embodiment of the present invention.
  • This embodiment is a wall clock, except for the following features:
  • a power indicator light 103 is disposed on the watch case of the quartz clock, indicating that the quartz clock is a lithium battery 62 or a light energy battery 61.
  • FIG. 13 shows a seventh embodiment of the present invention.
  • This embodiment is a wall clock.
  • This embodiment is identical to the sixth embodiment except that the light energy battery 61 can be two large and one small light energy. battery 611, 612;
  • the large light energy battery 611 provides more energy but needs to be started for a longer time, so a small light energy battery 612 is additionally provided, and the small light energy battery 612 has a shorter starting time, so even if the clock is completely powerless at the beginning, However, as long as the light is touched, the small light energy battery 612 can operate in a few seconds, supporting the basic functions of the timepiece, so the user does not have to wait for the large light energy battery 611 to fully charge before using the timepiece; During the period when the battery 612 can be powered, the large light battery 611 can continue to be charged until the charging is completed.

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

Abstract

La présente invention concerne une horloge à quartz multi-usage qui est équipée d'une pluralité d'ensembles affichage de l'heure (1, 2, 3), chaque ensemble affichage de l'heure comprenant un indicateur (11, 21, 31), un jeu d'engrenages (12, 22, 32) faisant fonctionner l'indicateur, et un moteur pas à pas (13, 23, 33) entraînant le jeu d'engrenage respectivement (les ensembles affichage de l'heure ne sont pas associés, chacun fonctionnant indépendamment) ; et équipée d'un oscillateur à quartz (4) et d'un micro-organe de commande (5), l'oscillateur à quartz (4) étant électriquement connecté au micro-organe de commande (5) qui est électriquement connecté à chaque ensemble affichage de l'heure et envoie un signal vers chaque ensemble affichage de l'heure respectivement de façon à commander le moteur pas à pas entraînant chaque ensemble affichage de l'heure dans le but d'afficher la sortie du micro-organe de commande (5) au moyen de l'indicateur ; et équipée d'une alimentation en énergie (6) qui est connectée électriquement au micro-organe de commande (5) de façon à pouvoir alimenter celui-ci.
PCT/IB2011/053418 2011-08-01 2011-08-01 Horloge à quartz à indicateurs multi-usage WO2013017912A1 (fr)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1096596A (zh) * 1993-03-23 1994-12-21 Eta草图制造公司 带有日期指示器的记时手表
CN2417490Y (zh) * 1999-09-03 2001-01-31 马兴邦 指针式电脑日历石英钟
JP2001133563A (ja) * 1999-11-05 2001-05-18 Michihiro Nabeta 秒針演出動作機能付きアナログ時計
CN1305129A (zh) * 1999-11-04 2001-07-25 精工爱普生株式会社 电子时计及其充电装置,和用于控制该充电装置的方法
CN1339725A (zh) * 2000-08-23 2002-03-13 Eta草图制造公司 具有大的日期开孔的电子表
CN101449217A (zh) * 2006-05-29 2009-06-03 豪雅公司 用于改变时区的方法及适用的钟表

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1096596A (zh) * 1993-03-23 1994-12-21 Eta草图制造公司 带有日期指示器的记时手表
CN2417490Y (zh) * 1999-09-03 2001-01-31 马兴邦 指针式电脑日历石英钟
CN1305129A (zh) * 1999-11-04 2001-07-25 精工爱普生株式会社 电子时计及其充电装置,和用于控制该充电装置的方法
JP2001133563A (ja) * 1999-11-05 2001-05-18 Michihiro Nabeta 秒針演出動作機能付きアナログ時計
CN1339725A (zh) * 2000-08-23 2002-03-13 Eta草图制造公司 具有大的日期开孔的电子表
CN101449217A (zh) * 2006-05-29 2009-06-03 豪雅公司 用于改变时区的方法及适用的钟表

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