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    • 1. 发明授权
    • Electronic timepiece
    • 电子钟表
    • US07583565B2
    • 2009-09-01
    • US11703014
    • 2007-02-06
    • Kenji OgasawaraYoshihiro Shibuya
    • Kenji OgasawaraYoshihiro Shibuya
    • G06F1/04H03B5/32
    • G04F5/04
    • To be able to promote oscillation start characteristic while having a simple constitution and maintaining low power consumption. In starting to oscillate an oscillation circuit, a capacitor for protecting from leakage is shortcircuited by bringing a switch of an oscillation stabilizing circuit 11 into a closed state and a constant voltage circuit starts to oscillate the oscillation circuit by supplying a drive voltage of a power source voltage to the oscillation circuit. After an elapse of a predetermined time period, oscillation is prevented from being stopped by leakage by inserting the capacitor into the oscillation circuit loop by bringing the switch into an open state, and an oscillation operation is continued by supplying a voltage lower than the power source voltage to the oscillation circuit by intermittently driving the constant voltage circuit.
    • 能够提供振荡起动特性,同时具有简单的结构并保持低功耗。 在开始振荡电路的振荡时,通过使振荡稳定电路11的开关变为闭合状态,恒定电压电路通过提供电源的驱动电压而使振荡电路振荡,来防止泄漏的电容器短路 电压到振荡电路。 在预定时间段过去之后,通过将开关置于断开状态将电容器插入振荡电路回路中,防止振荡而停止振荡,并且通过提供低于电源的电压来继续振荡操作 通过间歇地驱动恒压电路对振荡电路施加电压。
    • 3. 发明申请
    • Step motor drive circuit and analog electronic timepiece
    • 步进电机驱动电路和模拟电子表
    • US20070188124A1
    • 2007-08-16
    • US11703015
    • 2007-02-06
    • Kenji OgasawaraYoshihiro Shibuya
    • Kenji OgasawaraYoshihiro Shibuya
    • H02P8/00
    • H02P8/16
    • To be able to supply a large drive current to a motor and to be able to downside the motor. In driving to rotate a motor, a first drive cycle of driving transistors to an ON state and driving transistors to an OFF state, and a second drive cycle of driving the transistors to the ON state and driving the transistors to the OFF state are carried out alternately, and in braking the motor provided at an interval between times of driving to rotate the motor, the transistors are driven to the ON state, the transistors are driven to the OFF state. A large drive current is made to be able to supply to the motor and the motor is made to be able to be downsized by using the transistors for driving the motor and for electrostatic resistance.
    • 为了能够向电动机提供大的驱动电流并且能够使电机下降。 在驱动旋转电动机时,执行驱动晶体管为导通状态并驱动晶体管截止状态的第一驱动周期以及将晶体管驱动为导通状态并将晶体管驱动至截止状态的第二驱动周期 交替地,并且在以驱动时间间隔设置的电动机制动电动机之间,晶体管被驱动到导通状态,晶体管被驱动到截止状态。 使得能够向马达提供大的驱动电流,并且通过使用用于驱动马达的晶体管和静电电阻使电机能够被小型化。
    • 5. 发明授权
    • Dynamic flip flop
    • 动态触发器
    • US06586981B2
    • 2003-07-01
    • US10017247
    • 2001-12-13
    • Yoshihiro Shibuya
    • Yoshihiro Shibuya
    • H03K3289
    • G11C19/28
    • It is intended to provide a dynamic flip flop that prevents a floating signal from maintaining a voltage below a substrate voltage level in a P-type semiconductor substrate and that prevents a floating signal from maintaining a voltage exceeding the substrate voltage level in an N-type semiconductor substrate. In the dynamic flip flop, an N-type MOSFET (5) controlled by an output signal MX from an inverter (2) and an N-type MOSFET (6) controlled by an output signal Q from an inverter (4) are provided as switches for short-circuiting a signal M and a signal QX to be brought into a floating state to a substrate.
    • 旨在提供一种动态触发器,其防止浮置信号在P型半导体衬底中保持低于衬底电压电平的电压,并且防止浮动信号保持超过N型衬底电压电平的电压 半导体衬底。 在动态触发器中,由逆变器(2)的输出信号MX控制的N型MOSFET(5)和来自逆变器(4)的输出信号Q所控制的N型MOSFET(6)被设置为 用于使信号M短路的信号QX和信号QX进入浮置状态到基板。
    • 6. 发明申请
    • Electronic timepiece
    • 电子钟表
    • US20070189125A1
    • 2007-08-16
    • US11703014
    • 2007-02-06
    • Kenji OgasawaraYoshihiro Shibuya
    • Kenji OgasawaraYoshihiro Shibuya
    • G04F5/00G06F1/04
    • G04F5/04
    • To be able to promote oscillation start characteristic while having a simple constitution and maintaining low power consumption. In starting to oscillate an oscillation circuit, a capacitor for protecting from leakage is shortcircuited by bringing a switch of an oscillation stabilizing circuit 11 into a closed state and a constant voltage circuit starts to oscillate the oscillation circuit by supplying a drive voltage of a power source voltage to the oscillation circuit. After an elapse of a predetermined time period, oscillation is prevented from being stopped by leakage by inserting the capacitor into the oscillation circuit loop by bringing the switch into an open state, and an oscillation operation is continued by supplying a voltage lower than the power source voltage to the oscillation circuit by intermittently driving the constant voltage circuit.
    • 能够提供振荡起动特性,同时具有简单的结构并保持低功耗。 在开始振荡电路的振荡时,通过使振荡稳定电路11的开关变为闭合状态,恒定电压电路通过提供电源的驱动电压而使振荡电路振荡,来防止泄漏的电容器短路 电压到振荡电路。 在预定时间段过去之后,通过将开关置于断开状态将电容器插入振荡电路回路中,防止振荡而停止振荡,并且通过提供低于电源的电压来继续振荡操作 通过间歇地驱动恒压电路对振荡电路施加电压。
    • 7. 发明授权
    • Step motor drive circuit and analog electronic timepiece
    • 步进电机驱动电路和模拟电子表
    • US07538513B2
    • 2009-05-26
    • US11703015
    • 2007-02-06
    • Kenji OgasawaraYoshihiro Shibuya
    • Kenji OgasawaraYoshihiro Shibuya
    • H02P8/00
    • H02P8/16
    • A step motor drive circuit has a first transistor pair having first and transistors, a second transistor pair having third and fourth transistors, and fifth and sixth transistors connected in parallel with the first and third transistors, respectively. A driving circuit alternately drives the first transistor pair and the second transistor pair to an ON state in a state of rotating the motor (first stated), and shortcircuits drive terminals of the motor by driving the first and third transistors to an ON state and driving the second and the fourth transistors to an OFF state in a state of braking the motor (second state). The driving circuit drives the fifth transistor to an ON state when the first transistor is driven to the ON state in the second state of the motor, drives the sixth transistor to an ON state when the third transistor is driven to the ON state in the first state of the motor, and drives the sixth transistor to an OFF state when the third transistor is driven to an ON state in the second state of the motor. The fifth transistor and the sixth transistor function as protecting transistors that protect the first to fourth transistors by increasing the electrostatic resistance thereof.
    • 步进电动机驱动电路具有第一晶体管和晶体管,第二晶体管对具有第三和第四晶体管,第五和第六晶体管分别与第一和第三晶体管并联连接。 驱动电路在使电机旋转的状态下交替地驱动第一晶体管对和第二晶体管对为导通状态,并且通过将第一和第三晶体管驱动为导通状态并驱动而使电动机的驱动端短路 第二和第四晶体管在制动电动机的状态下处于OFF状态(第二状态)。 当第一晶体管在电动机的第二状态下被驱动到导通状态时,驱动电路将第五晶体管驱动到导通状态,当第三晶体管在第一晶体管被驱动到导通状态时,驱动第六晶体管为导通状态 并且当电动机的第二状态将第三晶体管驱动到ON状态时,驱动第六晶体管截止状态。 第五晶体管和第六晶体管用作通过增加其静电电阻来保护第一至第四晶体管的保护晶体管。