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    • 25. 发明授权
    • Piezoelectric actuator, timepiece, and electronic device
    • 压电执行器,钟表和电子设备
    • US07109638B2
    • 2006-09-19
    • US11060521
    • 2005-02-17
    • Joji KitaharaShigeaki Seki
    • Joji KitaharaShigeaki Seki
    • H02N2/12H01L41/08
    • G04C13/12H02N2/004H02N2/0085H02N2/103
    • A piezoelectric actuator A has an oscillator 10 that has a flat base layer 32 and piezoelectric elements 30, 31 layered on the base layer 32 and oscillates as a result of a drive signal applied to the piezoelectric elements 30, 31, and a rotor 100 driven by vibrations from the oscillator 10. The piezoelectric actuator A includes a fastening part 11 for securing the oscillator 10, and lead substrates 14A, 14B that are secured to the fastening part 11 for applying a drive signal to the piezoelectric elements from a drive circuit 500 for driving the piezoelectric elements 30, 31. The lead substrates 14A, 14B have connecting parts 17A–17C extending to the power supply electrodes 33A, 33C and a detection electrode 34.
    • 压电致动器A具有振荡器10,其具有平坦的基极层32和层叠在基极层32上的压电元件30,31,并且作为施加到压电元件30,31的驱动信号并且驱动的转子100而振荡 通过来自振荡器10的振动。 压电致动器A包括用于固定振荡器10的紧固部11和固定到紧固部11的引导基板14A,14B,用于从用于驱动压电元件的驱动电路500向压电元件施加驱动信号 30,31。 引线基板14A,14B具有延伸到电源电极33A,33C的连接部分17A-17C和检测电极34。
    • 27. 发明授权
    • Electronic watch
    • 电子手表
    • US06183125B2
    • 2001-02-06
    • US09176389
    • 1998-10-21
    • Tatsuo HaraJoji Kitahara
    • Tatsuo HaraJoji Kitahara
    • G04B2900
    • G04B31/0123G04B31/08
    • In an electronic watch including a so-called automatic winding dynamo, structures of parts themselves and layout of the parts are improved to achieve a reduction in thickness of the electronic watch. Bearing portions for a rotational shaft (211) of a dynamo rotor (21) are made up of hole jewels (212, 214) and ring-shaped caps (213, 215). The cap (215) covers, from the outer side, one end surface (216) of the hole jewel (214) which locates on the side facing a dynamo rotor (21), and defines a lubricant holding annular slot (G3) between the cap and an outer circumferential surface of the rotational shaft (211). Accordingly, even with the dynamo rotor (21) rotating at a high speed, a lubricant is prevented from scattering to the surroundings from the annular slot (G3). Spacings between adjacent parts can be narrowed and the thickness of the electronic watch can be reduced.
    • 在包括所谓的自动绕线发电机的电子手表中,改进了部件本身的结构和部件的布局,以实现电子手表的厚度的减小。 发电机转子(21)的旋转轴(211)的轴承部分由孔珠(212,214)和环形盖(213,215)组成。 盖215从外侧覆盖位于面向发电机转子21的一侧上的钻石宝石214的一个端面216,并且在其间限定有润滑剂保持环形槽(G3) 盖和旋转轴(211)的外周面。 因此,即使发电机转子21高速旋转,防止润滑剂从环形槽G3向周围散射。 相邻部件之间的间距可以变窄,并且电子手表的厚度可以减小。
    • 28. 发明授权
    • Electronic device
    • 电子设备
    • US6163126A
    • 2000-12-19
    • US284384
    • 1999-04-12
    • Hiroyuki KojimaNoriaki ShimuraJoji Kitahara
    • Hiroyuki KojimaNoriaki ShimuraJoji Kitahara
    • G04C3/14G04C9/08H02P8/00H02P8/02G05B19/40G04C3/00
    • H02P8/02G04C3/14G04C3/143
    • In an electronic apparatus such as a timing device capable of a quick-moving operation, a detecting coil wound coaxially with a driving coil for driving a rotor is arranged, a feedback-induced voltage appearing in the detecting coil is detected by a detector circuit, and a first peak appearing first subsequent to the supply of a drive pulse and having the same polarity as the drive pulse is picked up to detect the rotation of a rotor. Based on the detected timing of the first peak, a next drive pulse is supplied, and the drive pulse is thus fast supplied while the rotation of the rotor is checked. This arrangement allows a quick-moving operation free from faulty watch hand driving to run even faster.
    • PCT No.PCT / JP98 / 03570 Sec。 371日期1999年4月12日 102(e)1999年4月12日PCT PCT 1998年8月11日PCT公布。 出版物WO99 /​​ 08375 日期:1999年02月18日在诸如能够进行快速移动操作的定时装置的电子设备中,布置与用于驱动转子的驱动线圈同轴缠绕的检测线圈,检测出在检测线圈中的反馈感应电压 并且拾取首先在提供驱动脉冲并且具有与驱动脉冲相同的极性之后出现的第一峰值以检测转子的旋转。 基于检测到的第一峰值的定时,提供下一个驱动脉冲,并且因此在检查转子的旋转的同时快速提供驱动脉冲。 这种布置允许快速移动的操作没有错误的手表手驱动以更快地运行。