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    • 32. 发明授权
    • Voltage booster circuit control method
    • 电压升压电路控制方式
    • US06433623B1
    • 2002-08-13
    • US09421236
    • 1999-10-20
    • Mitsuhiko OkutsuShoji Sato
    • Mitsuhiko OkutsuShoji Sato
    • G05F324
    • H02M3/07
    • A voltage boost circuit operates by: applying a power supply voltage to both terminals of a booster capacitance in a discharge period; and in a charging period which follows the discharge period, by turning on a switching circuit in response to application of one shot pulse thereto, a power supply voltage is applied to one terminal of said booster capacitance, a ground potential is applied to the other one terminal thereof, wherein, during the charging of the booster capacitance, a pulse width of said one shot pulse is adjusted in accordance with a magnitude of the power supply voltage.
    • 升压电路通过以下方式工作:在放电期间对增压电容的两端施加电源电压; 并且在随着放电期间的充电期间,通过响应于施加单次脉冲而接通开关电路,向所述升压电容的一个端子施加电源电压,将另一个施加接地电位 其中,在所述升压电容的充电期间,根据所述电源电压的大小来调整所述单触发脉冲的脉冲宽度。
    • 35. 发明授权
    • Power source apparatus for electronic equipment
    • 电子设备用电源设备
    • US5021728A
    • 1991-06-04
    • US437034
    • 1989-11-15
    • Shoji Sato
    • Shoji Sato
    • H02P8/14G05F1/62H02M3/156H02P8/00H02P8/12
    • H02P29/026G05F1/62H02M3/156H02P8/00
    • A power source apparatus used in electronic equipment includes a power source for supplying a power source voltage, a voltage transformer for transforming the power source voltage supplied from the power source into a voltage different from the power source voltage, a load driven by the voltage supplied from the power source, a transistor for switching between the voltage output from the voltage transformer and the voltage directly output from the power source and supplying one of the voltages output from the voltage transformer and the power source to the load, and a controller for switching the transistor to select the voltage output from the voltage transformer when a level of the power source voltage exceeds a predetermined value, and for switching the transistor to select the voltage directly output from the power source when the level of the power source voltage is below the predetermined value.
    • 用于电子设备的电源设备包括用于提供电源电压的电源,用于将从电源提供的电源电压变换为不同于电源电压的电压的电压互感器,由所提供的电压驱动的负载 从所述电源切换从所述电压变换器输出的电压与从所述电源直接输出的电压之间切换的晶体管,并将从所述电压互感器和所述电源输出的电压中的一个供给到所述负载;以及控制器,用于切换 所述晶体管当所述电源电压的电平超过预定值时选择从所述电压互感器输出的电压,并且当所述电源电压的电平低于所述电源电压时,用于切换所述晶体管以选择从所述电源直接输出的电压 预定值。