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    • 1. 发明授权
    • Memory device having backup power supply
    • 具有备用电源的存储器件
    • US4777626A
    • 1988-10-11
    • US807828
    • 1985-12-11
    • Tsuyoshi MatsushitaYoshiaki Ito
    • Tsuyoshi MatsushitaYoshiaki Ito
    • G06F1/24G11C5/14G11C7/22G11C7/24G11C7/00G11C11/40
    • G06F1/24G11C5/141G11C7/22G11C7/24
    • A memory device includes a reset signal generator for generating a reset signal when the output voltage from a main power supply circuit to supply a driving voltage to a memory decreases to a first predetermined voltage, and a switching circuit for allowing a data holding voltage from a backup power supply to be supplied to the memory in place of the driving voltage from the main power supply circuit in response to the reset signal. This memory device further includes a comparator for generating an inhibiting signal when it detects that the data holding voltage from the backup power supply following generation of the reset signal is lower than the voltage necessary to hold the data in the memory, and a control circuit for setting the memory into an operation inhibition state when it detects that the inhibiting signal was generated from the comparator following the reset signal.
    • 存储装置包括复位信号发生器,用于当来自主电源电路的输出电压向存储器提供驱动电压时产生复位信号,将其恢复到第一预定电压;以及切换电路,用于允许来自 替代来自主电源电路的驱动电压的备用电源被提供给存储器,以响应于复位信号。 该存储装置还包括一个比较器,用于在检测到复位信号产生之后的备用电源的数据保持电压低于将数据保持在存储器中所需的电压时,产生禁止信号;以及控制电路, 当检测到从复位信号后的比较器产生禁止信号时,将存储器设置为操作禁止状态。
    • 4. 发明授权
    • DCDC converter, semiconductor device, and power generation device
    • DCDC转换器,半导体器件和发电装置
    • US09362820B2
    • 2016-06-07
    • US13239515
    • 2011-09-22
    • Yoshiaki ItoKei Takahashi
    • Yoshiaki ItoKei Takahashi
    • G05F1/00H02M3/156
    • H02M3/156
    • A DCDC converter includes a control circuit, a transistor in which switching is controlled by being supplied voltage output from the control circuit to a gate electrode of the transistor, a voltage conversion portion in which supply of input voltage is controlled by the switching of the transistor and output power commensurate with duty ratio of the switching of the transistor, and a detection circuit detecting the output power. Further, the control circuit includes a control signal generation circuit generating a control signal with a pulse voltage waveform and a selection circuit applying voltage of the control signal to the gate electrode in the case where current detected by the detection circuit is the same as or exceeds the threshold value and applying voltage for turning on the transistor to the gate electrode in the case where the current detected by the detection circuit falls below the threshold value.
    • DCDC转换器包括控制电路,通过从控制电路向晶体管的栅电极输出的电压来控制开关的晶体管,通过晶体管的开关来控制输入电压的供给的电压转换部分 以及与晶体管的开关的占空比相当的输出功率,以及检测输出功率的检测电路。 此外,控制电路包括控制信号产生电路,在由检测电路检测到的电流相同或超过的情况下,产生具有脉冲电压波形的控制信号和选择电路将施加控制信号的电压施加到栅电极 在由检测电路检测到的电流低于阈值的情况下,将阈值和用于将晶体管接通至栅电极的施加电压。
    • 5. 发明授权
    • DC-DC converter and manufacturing method thereof
    • DC-DC转换器及其制造方法
    • US09224757B2
    • 2015-12-29
    • US13307084
    • 2011-11-30
    • Kei TakahashiYoshiaki Ito
    • Kei TakahashiYoshiaki Ito
    • G05F1/569H01L27/12H02M3/158H02M3/335H02M1/00
    • H01L27/1225H01L27/1251H02M3/158H02M3/33523H02M2001/0006
    • A DC-DC converter is driven by single high input voltage, and includes a voltage converter circuit and a control circuit. The increase of the occupied area of the DC-DC converter is suppressed. The DC-DC converter includes an input terminal to which input voltage is applied; a voltage converter circuit connected to the input terminal, and including a first transistor; a control circuit configured to control the voltage converter circuit, and including a second transistor including a silicon material in a channel formation region; and a third transistor provided between the input terminal and the control circuit, and configured to convert the input voltage into power supply voltage that is lower than the input voltage. The first transistor and the third transistor include an oxide semiconductor material in channel formation regions. The first transistor and the third transistor are stacked over the second transistor with an insulating film provided therebetween.
    • DC-DC转换器由单个高输入电压驱动,并且包括电压转换器电路和控制电路。 DC-DC转换器的占用面积的增加被抑制。 DC-DC转换器包括施加输入电压的输入端子; 连接到所述输入端子的电压转换器电路,并且包括第一晶体管; 控制电路,被配置为控制所述电压转换器电路,并且包括在沟道形成区域中包括硅材料的第二晶体管; 以及第三晶体管,其设置在所述输入端子和所述控制电路之间,并且被配置为将所述输入电压转换为低于所述输入电压的电源电压。 第一晶体管和第三晶体管包括沟道形成区域中的氧化物半导体材料。 第一晶体管和第三晶体管堆叠在第二晶体管上,其间设置有绝缘膜。
    • 9. 发明授权
    • Flexible endoscope part
    • 柔性内窥镜部件
    • US08562518B2
    • 2013-10-22
    • US13421477
    • 2012-03-15
    • Hideya KitagawaYoshiaki Ito
    • Hideya KitagawaYoshiaki Ito
    • A61B1/008
    • A61B1/0055A61B1/0011A61B1/008
    • A flexible endoscope part including an operation member pulling operated to curve a flexible part, a plurality of joint rings connected substantially coaxially to be pivot-able in relation to each other, each the joint rings have an opening part and an engagement part, and an operation-member receiving unit which is inserted into the opening part from outside to inside in the radial direction of the joint ring, is formed by performing bending process on an elastic wire material, is protruded into inside of the joint ring, wherein the operation-member insertion part forms a coil shape which extends in an insertion direction of the operation member.
    • 一种柔性内窥镜部件,包括操作部件,其被拉动操作以弯曲柔性部件;多个接头环,其基本上同轴地相对于彼此可枢转地连接,每个接合环具有开口部和接合部, 通过对弹性丝材进行弯曲加工而形成在接合环的径向外侧从内侧插入开口部的操作部件接收部,突出到接合环的内部, 构件插入部形成沿操作构件的插入方向延伸的线圈形状。
    • 10. 发明授权
    • Power supply circuit having error amplifier
    • 电源电路具有误差放大器
    • US08519695B2
    • 2013-08-27
    • US12911095
    • 2010-10-25
    • Yoshiaki Ito
    • Yoshiaki Ito
    • G05F3/16
    • H03F3/45475H03F2203/45526
    • One of the objects of the present invention is to suppress variations in the frequency response of a feedback circuit due to variations in the value of a passive element in an error amplifier. One of the embodiments of the present invention provides a configuration allowing the frequency response of a feedback circuit in an error amplifier to be determined by not only the value of a passive element but the gain of an active element. This error amplifier includes a voltage-to-current converter which is an active element. In addition, a first terminal, a second terminal, an operational amplifier, a first resistor, a second resistor, first to fifth transistors, a first current source, and a second current source can be built into an integrated circuit, and a capacitor can be externally provided.
    • 本发明的目的之一是抑制由误差放大器中的无源元件的值的变化引起的反馈电路的频率响应的变化。 本发明的一个实施例提供一种允许误差放大器中的反馈电路的频率响应不仅通过无源元件的值而是通过有源元件的增益来确定的配置。 该误差放大器包括一个作为有源元件的电压 - 电流转换器。 此外,集成电路可以内置第一端子,第二端子,运算放大器,第一电阻器,第二电阻器,第一至第五晶体管,第一电流源和第二电流源,并且电容器 外部提供。