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    • 3. 发明申请
    • ELECTRONIC WATCH WITH BUILT-IN SOLAR CELL
    • 具有内置太阳能电池的电子手表
    • WO1998011473A1
    • 1998-03-19
    • PCT/JP1997003208
    • 1997-09-11
    • CITIZEN WATCH CO., LTD.MAFUNE, MasaoKAMISAWA, Osamu
    • CITIZEN WATCH CO., LTD.
    • G04G01/00
    • G04C17/00G04C10/02
    • An electronic watch comprising a case (1) having a display window (1a), a movement (4) housed in the case (1) and a display unit (5) which is provided above the movement (4) in the case (1) and which is visible from the outside through the display window (1a). The display unit (5) comprises a light transmitting digital display means. A solar cell member (6) is provided between the display unit (5) and the movement (4), and a light transmitting member (8) is provided between the display unit (5) and the solar cell member (6). With this constitution, though the solar cell member (6) is provided below the display unit (5), light is transmitted and supplied sufficiently to the solar cell member (6) through the light transmitting display unit (5), the display area of the display unit (5) is not restricted by the solar cell member (6) at all and hence the wide display area is ensured. Further, the light transmitting member (8) not only transmits and supplies light to the solar cell member (6) but also reflects a part of the light, so that the characters, etc. on the display unit (5) are easily seen.
    • 一种电子表,包括具有显示窗(1a)的壳体(1),容纳在壳体(1)中的移动体(4))和设置在壳体(1)中的移动体(4)上方的显示单元(5) ),并且通过显示窗(1a)从外部可见。 显示单元(5)包括光发射数字显示装置。 在显示单元(5)和移动体(4)之间设置太阳能电池元件(6),并且在显示单元(5)和太阳能电池元件(6)之间设置有透光元件(8)。 利用这种结构,尽管太阳能电池元件(6)设置在显示单元(5)的下方,但是光通过透光显示单元(5)向太阳能电池元件(6)充分传输和供应,显示区域 显示单元(5)完全不受太阳能电池组件(6)的限制,因此确保了宽的显示区域。 此外,透光构件(8)不仅向太阳能电池构件(6)发送并提供光,而且还反射一部分光,使得容易看到显示单元(5)上的字符等。
    • 5. 发明申请
    • MOTOR DRIVING DEVICE
    • 电机驱动装置
    • WO1997038487A1
    • 1997-10-16
    • PCT/JP1997001276
    • 1997-04-11
    • CITIZEN WATCH CO., LTD.HIGUCHI, HaruhikoICHIKAWA, MasakazuKIHARA, HiroyukiMURAKAMI, TomomiTSUCHIYA, Hidetaka
    • CITIZEN WATCH CO., LTD.
    • H02P08/00
    • H02P6/20H02P8/02H02P8/08
    • A phase locked driving type motor is reliably started and stably rotated. A motor driving device is provided with a stepper motor constituted at least of a bipolar stator, a rotor with a bipolar permanent magnet, and a driving coil magnetically coupled to the stator, a driving pulse generating means which outputs a driving pulse signal for driving the stepper motor, a driving circuit which supplies a driving current to the driving coil according to the signal from the driving pulse generating means, a voltage detecting circuit which detects the back electromotive voltage generated by the rotation of the rotor, and a magnetic pole position detecting means which detects the position of the magnetic pole of the rotating rotor with respect to the stator based on the detection signal of the voltage detecting circuit. The driving pulse generating means controls the outputting timing of the driving pulse signal based on the detection signal of the pole position detecting means used. The magnetic pole position detecting means stops the output of the driving pulse signal based on the signal detected by means of the voltage detecting circuit while the driving pulse signal is outputted and, at the same time, causes a driving pulse signal whose phase is opposite to that of the driving pulse signal to be outputted. The phase locked driving type motor is started reliably, accelerated quicky, and rotated stably. A higher-performance motor driving circuit can be realized by combining embodiments. Moreover, high-speed high-torque rotation of the motor is realized with a simple system constitution without changing the structure of a conventional flat type bipolar motor.
    • 锁定驱动型电动机可靠地启动并稳定旋转。 电动机驱动装置设置有至少由双极性定子构成的步进电动机,具有双极型永久磁铁的转子和与该定子磁耦合的驱动线圈,驱动脉冲发生装置输出驱动脉冲信号 步进电机,根据来自驱动脉冲发生装置的信号向驱动线圈提供驱动电流的驱动电路,检测由转子旋转产生的反电动势电压的电压检测电路和磁极位置检测 基于电压检测电路的检测信号来检测旋转转子的磁极相对于定子的位置的装置。 驱动脉冲发生装置根据所使用的磁极位置检测装置的检测信号来控制驱动脉冲信号的输出定时。 磁极位置检测装置在输出驱动脉冲信号的同时基于通过电压检测电路检测到的信号来停止驱动脉冲信号的输出,同时使相位相反的驱动脉冲信号 驱动脉冲信号的输出。 锁定驱动型电动机可靠地启动,加速快速并且稳定地旋转。 可以通过组合实施例来实现更高性能的电动机驱动电路。 此外,通过简单的系统结构实现电动机的高速高扭矩旋转,而不改变传统平面型双极电动机的结构。
    • 9. 发明申请
    • INDEXING APPARATUS AND METHOD FOR DRIVING THE SAME FOR INDEXING THE SAME
    • 指引装置及其驱动方法用于引导它们
    • WO1998025729A1
    • 1998-06-18
    • PCT/JP1996003656
    • 1996-12-13
    • CITIZEN WATCH CO., LTD.SUGIMOTO, KenjiSHINOHARA, HiroshiPFEIFER, Wolfgang
    • CITIZEN WATCH CO., LTD.
    • B23Q16/02
    • B23B3/168B23Q16/06Y10T82/10Y10T82/2506Y10T82/2508Y10T408/37
    • Provided between a base (10) and a turret (11) are a pair of positioning engagement members (27) which engage with each other to prevent rotation of the turret (11), and a screw feed mechanism comprising a ball screw (21) and a nut (25) converts the rotation of the ball screw (21) or nut (25) into rectilinear movement of the turret (11) to cause engagement/disengagement of the positioning engagement members (27). The screw feed mechanism is driven by a first motor (24), and the turret (11) is made to index a work by a second motor (32). When the second motor (32) is actuated to rotate the turret (11) for indexing, the first motor (24) is rotated in a predetermined rotational direction at a predetermined ratio of rotational speed to that of the second motor (32) whereby relative rotation between the ball screw (21) and the nut (25) of the screw feed mechanism is made zero to prevent rectilinear movement of the positioning engagement members (27).
    • 在基座(10)和转台(11)之间设有一对彼此接合以防止转台(11)旋转的定位接合件(27),以及包括滚珠丝杠(21)的螺旋进给机构, 并且螺母(25)将滚珠丝杠(21)或螺母(25)的旋转转换成转台(11)的直线运动,从而使定位卡合部件(27)卡合/脱开。 螺钉进给机构由第一马达(24)驱动,转塔(11)由第二马达(32)制成工件。 当第二马达(32)被致动以转动用于分度的转台(11)时,第一马达(24)以预定的转速与第二马达(32)的旋转速度以预定的旋转方向旋转,由此相对 滚珠丝杠(21)和螺旋进给机构的螺母(25)之间的旋转为零,以防止定位接合构件(27)的直线运动。
    • 10. 发明申请
    • ELECTRONIC TIMEPIECE
    • 电子计时器
    • WO1998019221A1
    • 1998-05-07
    • PCT/JP1997003996
    • 1997-10-31
    • CITIZEN WATCH CO., LTD.NAKAJIMA, Fumio
    • CITIZEN WATCH CO., LTD.
    • G04G01/00
    • G01R31/3648G04C10/00G04C10/04
    • In an electronic timepiece provided with a power generating means (1) which generates electric power from external energy and a charging means (3) which is charged with the electric power generated by the power generating means (1), a clock means (4) performs time displaying operations by using the electric power from the power generating means (1) or charging means (3) and, at the same time, generates a counting pulse (S10) for counting the electric energy held by the charging means (3). A charging monitoring means (6) counts the electric energy held by the charging means (3) based on the pulse (S10) and displays the electric energy based on the count value of the monitoring means (6).
    • 在设置有从外部能量产生电力的发电装置(1)的电子表和对由发电装置(1)产生的电力进行充电的充电装置(3)的钟表装置(4)中, 通过使用来自发电装置(1)或充电装置(3)的电力来执行时间显示操作,并且同时产生用于对由充电装置(3)保持的电能进行计数的计数脉冲(S10) 。 充电监视装置(6)基于脉冲(S10)对充电装置(3)保持的电能进行计数,并且基于监视装置(6)的计数值显示电能。