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    • 3. 发明授权
    • Power supply voltage regulator circuit and microcomputer
    • 电源稳压电路和微电脑
    • US08078887B2
    • 2011-12-13
    • US12043506
    • 2008-03-06
    • Satoshi Matsui
    • Satoshi Matsui
    • G06F1/00G06F1/26G06F1/32
    • G06F1/26G06F1/32
    • A power supply voltage regulator circuit including a power supply circuit which switches to a first through a fourth state; the first state being the state wherein voltage is supplied to neither a normal circuit nor a backup system circuit based on the combination of logic for the normal circuit power control signal, the second state being the state wherein a primary power supply voltage is supplied to the normal circuit and a secondary power supply voltage is supplied to the backup system circuit, the third state being the state wherein voltage is not supplied to the normal circuit and the secondary power supply voltage is supplied to the backup system circuit, the fourth state being the state wherein the primary power supply voltage is supplied to both the normal circuit and the backup system circuit.
    • 一种电源稳压器电路,包括切换到第一至第四状态的电源电路; 第一状态是基于用于正常电路功率控制信号的逻辑的组合而不向正常电路和备用系统电路供应电压的状态,第二状态是向第一状态提供主电源电压的状态 正常电路和次级电源电压被提供给备用系统电路,第三状态是其中电压不被提供给正常电路并且次级电源电压被提供给备用系统电路的状态,第四状态是 其中主电源电压被提供给正常电路和备用系统电路。
    • 5. 发明授权
    • Pulse width modulation circuit
    • 脉宽调制电路
    • US07315158B1
    • 2008-01-01
    • US11494620
    • 2006-07-28
    • Satoshi Matsui
    • Satoshi Matsui
    • G05F1/40
    • H03K7/08
    • A PWM circuit includes a counter, a cycle register, a cycle detector, a pulse width register, a pulse width detector, an additional pulse width register, a voltage generator, a selector, and a voltage controller. The voltage controller controls the selector so as to add a first additional pulse at a first voltage to the end of a pulse width, based on a cycle detection signal outputted by the cycle detector, a pulse width detection signal outputted by the pulse width detector, and a set value indicating the first voltage of the first additional pulse outputted by the additional pulse register, thereby deciding a voltage outputted from the PWM circuit and a period in which the voltage is output.
    • PWM电路包括计数器,周期寄存器,周期检测器,脉冲宽度寄存器,脉冲宽度检测器,附加脉冲宽度寄存器,电压发生器,选择器和电压控制器。 电压控制器根据循环检测器输出的周期检测信号,由脉冲宽度检测器输出的脉冲宽度检测信号,控制选择器,以将第一电压的第一附加脉冲加到脉冲宽度的末端, 以及指示由附加脉冲寄存器输出的第一附加脉冲的第一电压的设定值,从而判定从PWM电路输出的电压和输出电压的周期。
    • 10. 发明授权
    • Pulse width measuring device with automatic range setting function
    • 具有自动量程设定功能的脉宽测量装置
    • US07006936B2
    • 2006-02-28
    • US11085138
    • 2005-03-22
    • Satoshi Matsui
    • Satoshi Matsui
    • G06F19/00
    • G01R29/02G01R31/2882G01R31/31725G01R31/31937
    • A pulse width measuring device is disclosed that calculates the pulse width of a signal to be measured, based on a count value and a count clock signal. In the pulse width measuring device, the counter circuit has a plurality of bits that are divided into an exponent and a significand. The control unit of the pulse width measuring device includes: an exponent storing unit that stores an exponent setting value that represents the number of bits of the exponent of the counter circuit; and a decoder unit that generates a count value setting signal for rewriting the count value of the counter circuit, based on the exponent setting value stored in the exponent storing unit, when the count value overflows in the counter circuit, the decoder unit then outputting the count value setting signal to the counter circuit.
    • 公开了一种基于计数值和计数时钟信号来计算要测量的信号的脉冲宽度的脉宽测量装置。 在脉宽测量装置中,计数器电路具有被分成指数和有效位数的多个位。 脉宽测量装置的控制单元包括:指数存储单元,其存储表示计数器电路的指数的位数的指数设定值; 以及解码器单元,当计数器电路中的计数值溢出时,基于存储在指数存储单元中的指数设定值,生成用于重写计数器电路的计数值的计数值设定信号,然后输出 计数值设定信号到计数器电路。