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    Hand position detecting device
    1.
    发明授权
    Hand position detecting device 有权
    手位检测装置

    公开(公告)号：US08208348B2

    公开(公告)日：2012-06-26

    申请号：US12473750

    申请日：2009-05-28

    申请人： Tadashi Kojima ,  Nobuhiro Aoki

    发明人： Tadashi Kojima ,  Nobuhiro Aoki

    IPC分类号： G04B19/04 ,  G04B27/00

    CPC分类号： G04C3/14 ,  G04C3/146

    摘要： When detecting a rotational position of a seconds hand, it is determined whether data stored in a register in correspondence with a supply state of a drive current previously supplied to a coil of a stepping motor is “0”. When the data is “0”, the rotational position of the seconds hand is optically detected. When the data is “1”, the seconds hand is rotated one step, and then, the rotational position of the seconds hand is optically detected. Even though the seconds hand is shifted one second, the position detection is executed every two steps.

    摘要翻译： 当检测秒针的旋转位置时，确定与先前提供给步进电机的线圈的驱动电流的供应状态相对应的寄存器中存储的数据是否为“0”。 当数据为“0”时，秒针的旋转位置被光学检测。 当数据为“1”时，秒针旋转一步，然后光学地检测秒针的旋转位置。 即使秒针移动了一秒，每隔两个步骤执行位置检测。

    Hand position detecting device and method
    2.
    发明授权
    Hand position detecting device and method 有权
    手位检测装置及方法

    公开(公告)号：US08107324B2

    公开(公告)日：2012-01-31

    申请号：US12341470

    申请日：2008-12-22

    申请人： Tadashi Kojima

    发明人： Tadashi Kojima

    IPC分类号： G04B19/04 ,  G04B19/02

    CPC分类号： G04C3/14

    摘要： A hand position detecting device stops optical detection of the respective rotational positions of seconds, center and hour hands when such detection is impossible. When it is determined that the respective positions of the hands have not been detected successively a predetermined number of times, the detection of the hand positions is stopped until a predetermined time, for example 5 minutes before 11 o'clock or 55 minutes past 10 o'clock. This prevents unnecessary repetition of detection of the hand positions and hence useless consumption of battery energy which would otherwise occur.

    摘要翻译： 当这种检测不可能时，指针位置检测装置停止对秒针，中针和时针的各个旋转位置的光学检测。 当确定没有连续检测到手的各个位置预定次数时，停止手位的检测，直到预定的时间，例如在10点之前的11点钟或55分钟之前的5分钟 '时钟。 这样可防止不必要地重复检测手部位置，因此无法消除否则会发生的电池能量。

    Hand position detecting device and hand position control method
    3.
    发明授权
    Hand position detecting device and hand position control method 有权
    手位检测装置和手位控制方法

    公开(公告)号：US08023364B2

    公开(公告)日：2011-09-20

    申请号：US12472515

    申请日：2009-05-27

    申请人： Tadashi Kojima

    发明人： Tadashi Kojima

    IPC分类号： G04B19/02

    CPC分类号： G04C3/14 ,  G04C10/00 ,  G04G19/12

    摘要： A solar panel determines whether or not a wristwatch is in darkness. When the darkness has continued for a predetermined time period, e.g., for 61-70 minutes, it is determined that the wristwatch is not in use and set in a sleep state. Out of seconds, center and hour hands, at least the seconds hand is rotated to a reference position (00-second position) and stopped, and positions of the center and hour hands are detected. Therefore, power consumption during can be reduced when the wristwatch is not in use.

    摘要翻译： 太阳能电池板确定手表是否在黑暗中。 当黑暗持续预定时间段（例如61-70分钟）时，确定手表不在使用中并且设置为睡眠状态。 秒针，中针和小时针，至少秒针旋转到参考位置（00秒位置）并停止，并检测中针和时针的位置。 因此，当手表不使用时，可以减少功耗。

    HAND POSITION DETECTING DEVICE AND HAND POSITION CONTROL METHOD
    4.
    发明申请
    HAND POSITION DETECTING DEVICE AND HAND POSITION CONTROL METHOD 有权
    手位检测装置和手位控制方法

    公开(公告)号：US20090296533A1

    公开(公告)日：2009-12-03

    申请号：US12472515

    申请日：2009-05-27

    申请人： Tadashi KOJIMA

    发明人： Tadashi KOJIMA

    IPC分类号： G04C99/00

    CPC分类号： G04C3/14 ,  G04C10/00 ,  G04G19/12

    摘要： A solar panel determines whether or not a wristwatch is in darkness. When the darkness has continued for a predetermined time period, e.g., for 61-70 minutes, it is determined that the wristwatch is not in use and set in a sleep state. Out of seconds, center and hour hands, at least the seconds hand is rotated to a reference position (00-second position) and stopped, and positions of the center and hour hands are detected. Therefore, power consumption during can be reduced when the wristwatch is not in use.

    摘要翻译： 太阳能电池板确定手表是否在黑暗中。 当黑暗持续预定时间段（例如61-70分钟）时，确定手表不在使用中并且设置为睡眠状态。 秒针，中针和小时针，至少秒针旋转到参考位置（00秒位置）并停止，并检测中针和时针的位置。 因此，当手表不使用时，可以减少功耗。