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    • 15. 发明公开
    • Electronic timepiece with generator function
    • Elektronische Uhr mit Generatorfunktion
    • EP1978423A2
    • 2008-10-08
    • EP08250795.5
    • 2008-03-07
    • Seiko Epson Corporation
    • Kawaguchi, Takashi
    • G04C10/04
    • G04C10/04
    • An electronic timepiece with a generator function, including a generating means, a storage means that stores electrical energy produced by the generating means, a timekeeping control means that is driven by the electrical energy stored in the storage means, a time display means that is controlled by the timekeeping control means and displays time, a generator output detection means that detects the power generated by the generating means, a remaining operating time calculation means that integrates the power output detected by the generator output detection means and calculates a remaining operating time, and a remaining operating time display means that displays the remaining operating time calculated by the remaining operating time calculation means.
    • 一种具有发电机功能的电子钟表,包括产生装置,存储由发电装置产生的电能的存储装置,由存储在存储装置中的电能驱动的计时控制装置,被控制的时间显示装置 通过计时控制装置和显示时间,发电机输出检测装置,检测由发生装置产生的电力;剩余操作时间计算装置,其对由发电机输出检测装置检测的功率输出进行积分并计算剩余的运行时间;以及 剩余操作时间显示装置显示由剩余操作时间计算装置计算的剩余操作时间。
    • 18. 发明公开
    • Method, apparatus and control program for driving a piezoelectric actuator
    • Verfahren,Vorrichtung und Steuerprogramm zum Betreiben eines piezoelektrischen Aktors
    • EP1617489A1
    • 2006-01-18
    • EP05015097.8
    • 2005-07-12
    • SEIKO EPSON CORPORATION
    • Matsuzaki, JunKawaguchi, TakashiNagahama, Reiko
    • H01L41/04H02N2/14
    • H02N2/004H02N2/103H02N2/142
    • To provide a drive method for a piezoelectric actuator, wherein the consumption current of the piezoelectric actuator can be reduced and system failures can be avoided the frequency of a drive signal supplied to a piezoelectric actuator 91 is swept within a specific range, the consumption current of the piezoelectric actuator 91 is determined, and when the consumption current is equal to or greater than a reference value, the frequency of the drive signal supplied to the piezoelectric actuator 91 is shifted proportionate to a specific frequency and returned to its initial value, and the frequency sweep is continued. The resonance frequency component can be removed when the frequency of the drive signal supplied to the piezoelectric element is swept. Consequently, the piezoelectric element can be driven outside of the resonance frequency range at which the consumption current is highest, allowing extreme increases in the consumption current to be prevented and system failures due to the flow of an excessive consumption current to be avoided.
    • 为了提供一种用于压电致动器的驱动方法,其中可以减小压电致动器的消耗电流并且可以避免系统故障,提供给压电致动器91的驱动信号的频率在特定范围内扫描,消耗电流 确定压电致动器91,并且当消耗电流等于或大于基准值时,提供给压电致动器91的驱动信号的频率与特定频率成比例地移位并返回到其初始值,并且 频率扫描继续。 当提供给压电元件的驱动信号的频率被扫描时,可以去除谐振频率分量。 因此,压电元件可以被驱动到消耗电流最高的谐振频率范围之外,从而允许防止消耗电流的极大增加,并避免由于过量消耗电流的流动导致的系统故障。
    • 19. 发明公开
    • Timepiece device
    • 钟表设备
    • EP0844540A1
    • 1998-05-27
    • EP97309411.3
    • 1997-11-21
    • SEIKO EPSON CORPORATION
    • Kawaguchi, TakashiKubota, Masaru
    • G04C10/04
    • G04C10/04
    • A timepiece device including: display means (20) for displaying time information; display-driving means (16) for driving said display means (20); termination-detection means (12) for outputting a termination-detection signal when halt of said display means (20) is detected; storage means (10) for holding and outputting a termination-storage signal, based on said termination-detection signal; power-supply means (2) for supplying a voltage to the display driving means (16); power-supply-voltage detection means (4) for outputting a power-supply-voltage detection signal when the voltage from the power-supply means (2) is equal to or more than a first reference voltage which is higher than a movement-start voltage; and modulation-signal generating means (8) for outputting a modulation signal; the modulation signal being output when said power-supply-voltage detection signal is input to said modulation-signal generating means (8) while said termination-storage signal is being input to said modulation-signal generating means (8); said display-driving means (16) performing modulated driving after receipt of said modulation signal for alerting a user of the timepiece device of a start of said display means (20).
    • 一种钟表装置,包括:显示装置(20),用于显示时间信息; 用于驱动所述显示装置的显示驱动装置; 终止检测装置(12),用于当检测到所述显示装置(20)停止时输出终止检测信号; 存储装置(10),用于根据所述终止检测信号保存和输出终止存储信号; 向显示驱动装置(16)提供电压的电源装置(2); 当来自电源装置(2)的电压等于或高于高于移动开始的第一基准电压时输出电源电压检测信号的电源电压检测装置(4) 电压; 和调制信号发生装置(8),用于输出调制信号; 当所述电源电压检测信号被输入到所述调制信号产生装置(8)时,所述调制信号被输出,同时所述终端存储信号被输入到所述调制信号产生装置(8)。 在接收到所述调制信号之后,所述显示驱动装置(16)进行调制驱动,用于向所述钟表装置的使用者发出所述显示装置(20)启动的提示。
    • 20. 发明公开
    • Electronic watch
    • 电子手表
    • EP0769734A3
    • 1997-05-21
    • EP96203410.4
    • 1994-06-30
    • SEIKO EPSON CORPORATION
    • Kubota, MasaruKawaguchi, TakashiAkahane, HidehiroOguchi, KeiichiroIto, MikikoHayashi, YouichiMakiba, HidenoriIijima, Yoshitaka
    • G04C3/00G04C3/14G04G1/00
    • G04G21/02G04C3/008G04C3/146
    • A multifunctional electronic watch of the present invention displays data measured by a built in atmospheric pressure sensor (56) by means of a small atmospheric pressure pointer (10) and an atmospheric pressure pointer (11). It is also capable of displaying a differential between the present atmospheric pressure and an atmospheric pressure three hours before by means of an atmospheric pressure tendency pointer (21). A dial ring (17) attached around a clockface of the watch is formed with an atmospheric pressure scale (18). The watch further comprises a battery (74) and a control IC (40). The IC (40), the sensor (56) and the battery (74) are positioned so that they are deviated with one another on a plane. The built in sensor is accommodated in the watch so as not to project from the rotation bezel of the watch. Accordingly, an electronic watch which has additional functions of indicating environmental data such as atmospheric pressure and is thin can be realized.
    • 本发明的多功能电子表通过小气压指示器(10)和大气压指示器(11)显示由内置大气压力传感器(56)测量的数据。 借助于大气压趋势指针(21),它还能够在三小时之前显示当前大气压与大气压之间的差值。 围绕钟表表盘周围的拨圈(17)形成有大气压力标尺(18)。 手表还包括电池(74)和控制IC(40)。 IC(40),传感器(56)和电池(74)被定位成使得它们在平面上相互偏离。 内置的传感器安装在手表内,不会从手表的旋转挡板突出。 因此,可以实现具有指示诸如大气压力的环境数据和薄的附加功能的电子表。