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    • 1. 发明授权
    • Electronic timepiece
    • 电子钟表
    • US4241441A
    • 1980-12-23
    • US22253
    • 1979-03-20
    • Mitsuhiro Murata
    • Mitsuhiro Murata
    • G04C21/16G04C23/14G04G13/02G04B23/08G04B21/00G04C23/18
    • G04G13/02G04C21/16
    • An electronic timepiece having time indicating hands and an alarm time indicating hand which can be set to an alarm time within a range of twelve hours. Alarm time setting can be performed such that an alarm warning is produced the first time that alarm time coincidence is detected, and at subsequent times separated by 24 hour intervals, or such that the alarm warning is produced the second time that alarm time coincidence is detected, and at subsequent times separated by 24 hour intervals. Greater resolution for alarm time setting is achieved than for a timepiece in which the alarm time is set within a 24 hour range.
    • 具有时间指示手的电子表和可以设定为十二小时以内的报警时间的报警时间指示手。 可以进行报警时间设定,使得在第一次检测到报警时间一致时产生报警警告,并且在随后的时间间隔24小时的间隔,或者使得在第二次检测到报警时间一致时产生报警警告 ,并在随后的时间间隔24小时。 比闹钟时间设定在24小时范围内的钟表,可实现更高的报警时间设置分辨率。
    • 4. 发明授权
    • Two-speed constant drive timer
    • 双速恒速驱动定时器
    • US3882734A
    • 1975-05-13
    • US41698273
    • 1973-11-19
    • CONTROLS CO OF AMERICA
    • OBERMANN GEORGEWILLIGMAN JOHN
    • G04C23/14H01H43/10F16H5/06
    • H01H43/101Y10T74/19279Y10T74/194Y10T74/19447
    • In the low speed setting the motor drive pinion drives the cam drum internal gear through a gear train which includes a one-way, spring loaded, ratchet coupling. When the lever is moved to the high speed setting, it removes the spring load holding the clutch output out of engagement with the input so the clutch spring can engage the high speed clutch which results in driving the cam drum at high speed. Since the clutch output and the output of the one-way drive are connected through gearing, the one-way drive overrides its input while the cam drum is driven at high speed. At low speed the clutch output is driven from the cam drum but the clutch is disengaged.
    • 在低速设置中,电动机驱动小齿轮通过包括单向弹簧加载棘轮联轴器的齿轮系驱动凸轮鼓内齿轮。 当杠杆移动到高速设置时,它去除了保持离合器输出与输入接合的弹簧载荷,使得离合器弹簧可以接合高速离合器,这导致高速驱动凸轮鼓。 由于离合器输出和单向驱动器的输出通过齿轮连接,单向驱动器在高速驱动凸轮鼓时覆盖其输入。 在低速时离合器输出由凸轮鼓驱动,但离合器分离。
    • 10. 发明授权
    • Analogue alarm electronic timepiece
    • 模拟报警电子表
    • US4358840A
    • 1982-11-09
    • US124255
    • 1980-02-25
    • Kenichi OnoShuji OtawaMasaharu Shida
    • Kenichi OnoShuji OtawaMasaharu Shida
    • G04C3/00G04C3/14G04C9/08G04G13/02G04C21/16G04C23/14
    • G04G13/025G04C3/14
    • An analogue alarm electronic timepiece has electronic circuitry for controlling the drive of the time-indicating hands by a reversible stepping motor to selectively position the hands at desired alarm time and display time settings. Externally operable switches control the operation of the electronic circuitry and enable re-positioning of the hands by the motor to the previously set alarm time so that the user of the timepiece may confirm the alarm time setting. The electronic circuit includes a first settable memory means for storing the time difference between the alarm time and the present time, and a second settable memory means for storing the time difference between the present time and the display time. First means are provided for detecting coincidences between the alarm time and the present time. Second means are provided for detecting coincidence between the present time and the display time.
    • 模拟警报电子表具有电子电路,用于通过可逆步进电机来控制指示指针的驱动,以选择性地将手定位在所需的警报时间和显示时间设置。 外部可操作的开关控制电子电路的操作,并且使电动机的手能够重新定位到先前设置的报警时间,以便钟表的使用者可以确认报警时间设置。 电子电路包括用于存储报警时间和当前时间之间的时间差的第一可设置存储装置,以及用于存储当前时间和显示时间之间的时间差的第二可设置存储装置。 提供了用于检测报警时间和当前时间之间的巧合的第一装置。 提供了用于检测当前时间和显示时间之间的一致性的第二装置。