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    • 6. 发明授权
    • Voltage level shifting circuit and method
    • 电压电平移位电路及方法
    • US07034572B2
    • 2006-04-25
    • US10868468
    • 2004-06-14
    • Tae H. KimHoward C. Kirsch
    • Tae H. KimHoward C. Kirsch
    • H03K19/094H03K19/0175
    • H03K3/356113H03K3/356165
    • A voltage level shifting circuit and method that can be used for shifting the voltage level of an input signal to provide an output signal having a higher output voltage level. The voltage level shifting circuit includes pull-up transistors that are switched OFF by the voltage of a pair of switching nodes and not the voltage at the output node. The speed at which the pull-up transistors can be switched OFF is decoupled to some extent from the speed at which the voltage at the output node changes. Additionally, having the output node separated from the nodes that switch the pull-up transistors OFF further allows for dimensions of the various transistors of the voltage level shifting circuit to be scaled advantageously.
    • 一种电压电平移动电路和方法,可用于移位输入信号的电压电平以提供具有较高输出电压电平的输出信号。 电压电平移位电路包括被一对开关节点的电压切断的上拉晶体管,而不是输出节点处的电压。 上拉晶体管可以关断的速度在一定程度上与输出节点处的电压变化的速度解耦。 另外,将输出节点与将上拉晶体管断开的节点分开的输出节点进一步允许电压电平移位电路的各种晶体管的尺寸被有利地缩放。
    • 7. 发明授权
    • Water-soluble copolymerized polyester resin composition
    • 水溶性共聚聚酯树脂组合物
    • US5070179A
    • 1991-12-03
    • US653963
    • 1991-02-12
    • Kwang T. KimTae H. KimYoung S. Kim
    • Kwang T. KimTae H. KimYoung S. Kim
    • C08G63/66C08G63/181C08G63/46C08G63/672C08G63/68C08G63/688C08G63/695C08L67/00C08L67/02C09D167/02
    • C08G63/672C08G63/68
    • The present invention relates to water-soluble copolymerized polyester resin suitable to produce a polyester film having a good adhesion and surface properties.That is, the composition of the present invention comprise 50.about.85 mol % of aromatic dicarbonic acid, 0.5.about.25 mol % of aromatic dicarbonic acid containing sulfonic acid alkali metallic base and 0.5.about.25 mol % of dicarbonic acid containing silane system represented by the following formula (I) in the total dicorbonic acid components, wherein the glycol components contained in the composition comprising more than 60 mol % of aliphatic or alicyclic glycol and 1.about.40 mol % of diethylene glycol or triethylene glycol. ##STR1## wherein R.sub.1 is aliphatic hydrocarbon group of 1 to 15 carbon atoms, R.sub.2 is aliphatic hydrocarbon group of 1 to 4 carbon atoms.
    • 本发明涉及适于生产具有良好粘附性和表面性能的聚酯薄膜的水溶性共聚聚酯树脂。 也就是说,本发明的组合物包含50%的芳族二羧酸85摩尔%,含有20摩尔%的含有磺酸碱金属碱的芳族二碳酸的0.5分子和含有25摩尔%的含二羧酸的硅烷体系的0.5分子 在总二氯碳酸组分中的下式(I)表示,其中所述组合物中所含的二醇组分包含超过60摩尔%的脂族或脂环族二醇和1分子量40摩尔%的二甘醇或三甘醇。 (I)其中R 1为1至15个碳原子的脂族烃基,R 2为1至4个碳原子的脂族烃基。
    • 8. 发明授权
    • Brake master cylinder
    • 制动主缸
    • US09096203B2
    • 2015-08-04
    • US13620678
    • 2012-09-14
    • Tae H. Kim
    • Tae H. Kim
    • B60T11/16B60T7/04B60T7/08B60T17/22
    • B60T11/16B60T7/042B60T7/085B60T17/22
    • Disclosed is a brake master cylinder configured to sense a variation in magnetic flux in accordance with operation of a piston installed with a magnet, and thus to control activation of brake lamps. The brake master cylinder includes a cylinder body connected to a booster, first and second pistons to reciprocate in the cylinder body, a Hall sensor installed at an outside of the cylinder body, to sense operation of the pistons, for control of activation of brake lamps, a coupling shaft formed at an end of the second piston facing the first piston, and a magnet ring assembly installed at the coupling shaft such that the magnet ring assembly faces the Hall sensor. The magnet ring assembly includes a bushing centrally formed with a fitting hole to receive the coupling shaft, and a ring-shaped magnet fitted around the bushing, to exert magnetic force on the Hall sensor.
    • 公开了一种制动主缸,其被配置为根据安装有磁体的活塞的操作来感测磁通量的变化,从而控制制动灯的启动。 制动主缸包括连接到升压器的缸体,在缸体中往复运动的第一和第二活塞,安装在缸体外部的霍尔传感器,以感测活塞的运动,以控制制动灯的启动 ,形成在所述第二活塞的面向所述第一活塞的端部处的联接轴以及安装在所述联接轴处的磁环组件,使得所述磁环组件面向所述霍尔传感器。 磁环组件包括中心形成有用于接收联接轴的装配孔和围绕衬套安装的环形磁体的衬套,以在霍尔传感器上施加磁力。
    • 10. 发明授权
    • Printed circuit board with reduced signal distortion
    • 印刷电路板,信号失真减少
    • US08201133B2
    • 2012-06-12
    • US12140730
    • 2008-06-17
    • Moises CasesTae H. KimBhyrav M. Mutnury
    • Moises CasesTae H. KimBhyrav M. Mutnury
    • G06F17/50
    • H05K1/0224H05K1/0225H05K1/0237H05K1/0253H05K3/0005H05K2201/09681Y10T29/49124
    • A printed circuit board with reduced signal distortion, including one or more layers of non-conductive substrate upon which are disposed conductive pathways that conduct signals, the signals characterized by distortion at least partly caused by orientation of the conductive pathways on the layers of the printed circuit board, and a periodically patterned reference plane; each conductive pathway that conducts signals oriented orthogonally or diagonally at forty-five degrees with respect to other conductive pathways that conduct signals on the printed circuit board; the periodically patterned reference plane comprising a conductor having discontinuities arranged in a periodically recurring pattern, the pattern of the discontinuities oriented on a surface of a layer of the printed circuit board at an optimum angle, with respect to the conductive pathways that conduct signals on the printed circuit board, that reduces distortion of the signals.
    • 具有降低的信号失真的印刷电路板,包括一层或多层不导电基底,在其上设置传导信号的导电路径,其特征在于至少部分地由印刷的层上的导电路径的取向引起的变形 电路板和周期性图案化参考平面; 每个导电通路相对于在印刷电路板上传导信号的其它导电通路传导正交或对角地定向四十五度的信号; 所述周期性图案化参考平面包括具有以周期性重复图案布置的不连续性的导体,所述不连续性的图案相对于在所述印刷电路板上传导信号的导电路径以最佳角度定向在所述印刷电路板的层的表面上 印刷电路板,可以减少信号的失真。