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    • 41. 发明授权
    • Operational amplifier
    • 运算放大器
    • US06922105B2
    • 2005-07-26
    • US10632849
    • 2003-08-04
    • Hiroshi ImaiMitsuru AokiHiroyuki Ban
    • Hiroshi ImaiMitsuru AokiHiroyuki Ban
    • H03F1/52H03F3/30H03F3/45H03F3/26
    • H03F3/3071H03F3/45183H03F2203/30036H03F2203/30051H03F2203/45324H03F2203/45352H03F2203/45632H03F2203/45708
    • In an operational amplifier, a differential amplifying circuit is configured to amplify an input voltage inputted from the input terminal. An outputting transistor is connected to the output terminal. A driving transistor is connected to the differential amplifying circuit and the outputting transistor. The driving transistor turns on according to a control signal supplied from the differential amplifying circuit to the driving circuit. The driving transistor is also configured to drive the outputting transistor according to the control signal. A control signal reducing circuit, when a voltage is applied on the driving transistor through the outputting transistor, is configured to reduce the control signal within a range that the driving transistor is kept to on state. The voltage applied on the driving transistor exceeds a predetermined threshold voltage.
    • 在运算放大器中,差分放大电路被配置为放大从输入端输入的输入电压。 输出晶体管连接到输出端子。 驱动晶体管连接到差分放大电路和输出晶体管。 驱动晶体管根据从差分放大电路向驱动电路提供的控制信号导通。 驱动晶体管也被配置为根据控制信号来驱动输出晶体管。 当通过输出晶体管对驱动晶体管施加电压时,控制信号降低电路被配置为在驱动晶体管保持导通状态的范围内减少控制信号。 施加在驱动晶体管上的电压超过预定阈值电压。
    • 44. 发明授权
    • Analog switching circuit
    • 模拟开关电路
    • US5994744A
    • 1999-11-30
    • US898752
    • 1997-07-23
    • Tetsuya KatayamaTakeshi MikiJunji HayakawaHiroyuki Ban
    • Tetsuya KatayamaTakeshi MikiJunji HayakawaHiroyuki Ban
    • H01L27/02H03K17/082H01L29/72
    • H03K17/0822H01L27/0251H01L27/0266H03K2217/0018
    • An analog switching circuit comprises an insulated-gate field-effect transistor (Q20) having two n-type input-side and outpu-side semiconductor regions (201, 202) and a p-type semiconductor substrate region 203, for controlling conductiveness between an input terminal (IN) and an output terminal (OUT) based on a gate potential. A surge pulse detecting circuit (1020), responsive to an electric potential (Vi) of the input terminal (IN), produces a detection signal of a surge pulse equivalent to a forward bias of a PN junction formed between the semiconductor substrate region (203) and the input-side semiconductor region (201). A substrate potential setting circuit (1010) varies an electric potential of the semiconductor substrate region (203) in response to the electric potential (Vi) of the input terminal (IN) when aby detection signal is produced. Furthermore, a gate potential control circuit (1030) varies the gate potential of the insulated-gate field-effect transistor (Q20) in the same direction as the electric potential of the semiconductor substrate region (203) when the detection signal is produced.
    • 模拟开关电路包括具有两个n型输入侧和外侧半导体区域(201,202)和p型半导体衬底区域203的绝缘栅场效应晶体管(Q20),用于控制导电性 输入端子(IN)和输出端子(OUT)。 响应于输入端子(IN)的电位(Vi)的浪涌脉冲检测电路(1020)产生与在半导体衬底区域(203)之间形成的PN结的正向偏压相当的浪涌脉冲的检测信号 )和输入侧半导体区域(201)。 基板电位设定电路(1010)响应于当产生aby检测信号时的输入端子(IN)的电位(Vi),改变半导体衬底区域(203)的电位。 此外,当产生检测信号时,栅极电位控制电路(1030)在与半导体衬底区域(203)的电位相同的方向上改变绝缘栅极场效应晶体管(Q20)的栅极电位。
    • 47. 发明申请
    • REACTOR AND REACTING METHOD
    • 反应器和反应方法
    • US20100178213A1
    • 2010-07-15
    • US12482903
    • 2009-06-11
    • Hiroyuki BanKoji NoishikiKazuto OkadaSeiichi Yamamoto
    • Hiroyuki BanKoji NoishikiKazuto OkadaSeiichi Yamamoto
    • B01J14/00
    • B01J4/001B01F5/0471B01F13/0059B01J19/249B01J2219/2453B01J2219/2458B01J2219/247B01J2219/2485B01J2219/2486B01J2219/2487B01J2219/2488B01J2219/249
    • It is aimed to improve reaction efficiency by increasing a contact area of first and second reactants per unit volume without reducing dimensions of an inlet path for the first reactant and an inlet path for the second reactant in a layer-thickness direction.In a reactor, a channel includes a first inlet path having the first reactant introduced thereinto, a second inlet path arranged while being separated from the first inlet path and having the second reactant introduced thereinto, a junction channel for causing the first reactant flowing via the first inlet path and the second reactant flowing via the second inlet path to join in the form of the laminar flows separated from each other, and a reaction channel connected with a downstream side of the junction channel for permitting the laminar flow of the first reactant and that of the second reactant held in contact with each other and reacting the two reactants at a contact interface thereof. A dimension of the reaction channel in the layer-thickness direction perpendicular to the contact interface is set to be smaller than the sum of a dimension of the first inlet path in the layer-thickness direction and a dimension of the second inlet path in the layer-thickness direction.
    • 旨在通过增加每单位体积的第一和第二反应物的接触面积而不减少第一反应物的入口路径的尺寸和层厚度方向上的第二反应物的入口路径来提高反应效率。 在反应器中,通道包括具有引入其中的第一反应物的第一入口路径,第二入口通道,其与第一入口路径分离并且具有引入第二入口路径的第二入口通道,用于使第一反应物经由 第一入口路径和第二反应物经由第二入口路径流动以彼此分离的层流的形式连接;以及反应通道,其与接合通道的下游侧连接,以允许第一反应物的层流,以及 第二反应物彼此接触并在其接触界面处使两种反应物反应。 垂直于接触界面的层厚度方向上的反应通道的尺寸被设定为小于层厚度方向上的第一入口路径的尺寸和层中的第二入口路径的尺寸之和 厚度方向。
    • 49. 发明授权
    • Current mirror circuit for reducing chip size
    • 电流镜电路,减少芯片尺寸
    • US07554314B2
    • 2009-06-30
    • US11589878
    • 2006-10-31
    • Satoshi SobueHiroyuki BanShigenori Mori
    • Satoshi SobueHiroyuki BanShigenori Mori
    • G05F3/16
    • G05F3/265G05F3/267
    • A current mirror circuit includes transistors having bases coupled together and emitters connected to a voltage line. The current mirror circuit further includes a zener diode having an anode connected to the bases and a cathode connected to the voltage line. When a base potential of the transistors decreases, a reverse current of the zener diode increases. Therefore, the zener diode has a resistance and acts as a resistor to clamp the base potential of the transistors. A layout area of the zener diode is much smaller than that of the resistor having a resistance equal to that of the zener diode. The current mirror circuit achieves reduced chip size by using the zener diode instead of the resistor.
    • 电流镜电路包括具有耦合在一起的基极和连接到电压线的发射极的晶体管。 电流镜电路还包括具有连接到基极的阳极和连接到电压线的阴极的齐纳二极管。 当晶体管的基极电位降低时,齐纳二极管的反向电流增加。 因此,齐纳二极管具有电阻并且用作钳位晶体管的基极电位的电阻器。 齐纳二极管的布局面积远小于具有等于齐纳二极管电阻的电阻器的布局面积。 电流镜电路通过使用齐纳二极管而不是电阻实现了减小的芯片尺寸。
    • 50. 发明授权
    • Input protection circuit
    • 输入保护电路
    • US07542255B2
    • 2009-06-02
    • US11715421
    • 2007-03-08
    • Shinichiro NakataHiroyuki BanSatoshi Ichikawa
    • Shinichiro NakataHiroyuki BanSatoshi Ichikawa
    • H02H3/22
    • H01L27/0255H01L2924/0002H01L2924/00
    • An input protection circuit comprises a reverse flow preventing diode, a series circuit of a diode and a Zener diode, and a current path forming resistor or diode. The reverse flow preventing diode is connected between an input terminal and an internal circuit. The series circuit is connected between the input terminal and a ground. The current path forming resistor or diode is connected between a first common connection point of the reverse flow preventing diode and the internal circuit and a second common connection point of the series circuit, and sets a potential at the first common connection point to be less than a potential at the input terminal when the surge voltage is applied to the input terminal.
    • 输入保护电路包括反向阻流二极管,二极管和齐纳二极管的串联电路以及电流路径形成电阻器或二极管。 反向防流二极管连接在输入端和内部电路之间。 串联电路连接在输入端和地之间。 电流通路形成电阻器或二极管连接在反向防流二极管的第一公共连接点和内部电路之间,并且串联电路的第二公共连接点连接,并将第一公共连接点处的电位设置为小于 当浪涌电压施加到输入端时在输入端子处的电位。