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    • 51. 发明授权
    • Multi function cutting tool
    • 多功能切割工具
    • US08043031B2
    • 2011-10-25
    • US12445541
    • 2007-12-17
    • Wook Jung SungSang Yong Lee
    • Wook Jung SungSang Yong Lee
    • B23C5/20B23C5/10
    • B23C5/2221B23B27/1622B23B2200/125B23B2200/201B23B2200/204B23B2200/3654B23B2205/12B23C2200/125B23C2200/201B23C2200/205B23C2200/366B23C2210/168Y10T407/1924Y10T407/1936Y10T407/23
    • A multi-function cutting tool is disclosed. The multi-function cutting tool includes a cutting insert (200) and a cutter body (300). The cutting insert has an upper surface (201), a lower surface (205), and first and second cutting edge corner parts (210) and (220), which are provided on the upper surface such that the upper surface has a symmetrical structure with respect to a diagonal direction. The cutting insert further has a major cutting edge part (230), a first minor cutting edge part (240), and a lowered cutting edge part (250). The major cutting edge part has a downwardly inclined angle ranging from 3° to 10°, and extends from the first cutting edge corner part towards the corresponding second cutting edge corner part. When seen in the front view of the cutting insert, the major cutting edge is defined by a convex curved line, which has a curvature radius of 1000 mm or more.
    • 公开了一种多功能切削工具。 多功能切割工具包括切削刀片(200)和刀具本体(300)。 切削刀片具有上表面(201),下表面(205)以及设置在上表面上的第一和第二切削刃角部(210)和(220),使得上表面具有对称结构 相对于对角线方向。 切削刀片还具有主切削刃部分(230),第一副切削刃部分(240)和下切削刃部分(250)。 主切削刃部分具有3°至10°的向下倾斜的角度,并且从第一切削刃角部向相应的第二切削刃角部延伸。 当在切削刀片的前视图中看到时,主切削刃由曲率半径为1000mm或更大的凸曲线限定。
    • 55. 发明申请
    • Liquid crystal display device and method for fabricating the same
    • 液晶显示装置及其制造方法
    • US20090015780A1
    • 2009-01-15
    • US12003586
    • 2007-12-28
    • Young Seok ChoiYu Ho JungSang Yong Lee
    • Young Seok ChoiYu Ho JungSang Yong Lee
    • G02F1/1339G02F1/1333
    • G02F1/13394G02F1/133371G02F1/134363G02F1/136286
    • A liquid crystal display device includes first and second substrates facing each other; gate lines and data lines formed on the first substrate such that the gate lines and the data lines intersect each other to define pixel regions; thin film transistors formed at respective intersections of the gate lines and the data lines; a black matrix layer formed on the second substrate such that the black matrix layer corresponds to a region other than the pixel regions; color filter layers extending in an extension direction of the data lines in respective pixel regions; a liquid crystal layer interposed between the first and second substrates; first column spacers formed on one of the first and second substrates such that each first column spacer corresponds to an associated one of the gate lines or to a channel region of an associated one of the thin film transistors to maintain a cell gap between the first-and second substrate; and spacer patterns formed on one of the first and second substrates such that each spacer pattern corresponds to at least one of an associated one of the gate lines and an associated one of the data lines, thereby forming a first gap between the spacer pattern and the other substrate facing the spacer pattern, and reducing an amount of liquid crystals filled between the first and second substrates.
    • 液晶显示装置包括彼此面对的第一和第二基板; 栅极线和数据线形成在第一基板上,使得栅极线和数据线彼此相交以限定像素区域; 形成在栅极线和数据线的各交叉处的薄膜晶体管; 形成在所述第二基板上的黑矩阵层,使得所述黑矩阵层对应于除所述像素区域之外的区域; 彩色滤光片层,沿各个像素区域中的数据线的延伸方向延伸; 介于所述第一和第二基板之间的液晶层; 第一列间隔物形成在第一和第二基板中的一个上,使得每个第一列间隔物对应于相关联的一条栅极线或相关联的一个薄膜晶体管的沟道区,以保持第一 - 和第二衬底; 以及形成在所述第一和第二基板中的一个上的间隔图案,使得每个间隔图案对应于相关联的一条栅极线和相关联的一条数据线中的至少一个,从而在间隔物图案与第二基板之间形成第一间隙 面对间隔图案的其它基板,以及减少填充在第一和第二基板之间的液晶的量。
    • 58. 发明授权
    • Remote starting circuit and method for brushless DC motor
    • 无刷直流电机远程启动电路及方法
    • US5650699A
    • 1997-07-22
    • US534171
    • 1995-09-26
    • Shi Ming TangSang Woo LeeSang Yong Lee
    • Shi Ming TangSang Woo LeeSang Yong Lee
    • H02P6/08H02P6/00H02P6/18H02P6/20
    • H02P6/21
    • A remote starting control circuit for a polyphase motor includes a controller, a zero-crosspoint detector, a power switch, a commutation circuit and a motor drive output circuit. The controller controls an excitation current applied to the motor. When the motor starts normally, it is accelerated in accordance with a detected zero-crosspoint. If the zero-crosspoint detector indicates that the motor has not started under optimal conditions, the controller adjusts a power-OFF interval and an excitation pulse width and re-starts the motor accordingly. Because of the ability to controllably adjust the starting of the motor under various excitation conditions, the motor can be started successfully without such problems as torque dead-point, head sticking and insufficient starting torque.
    • 用于多相电动机的遥控启动控制电路包括控制器,零交叉点检测器,电源开关,换向电路和电动机驱动输出电路。 控制器控制施加到电机的励磁电流。 当电机正常启动时,根据检测到的零交叉点加速。 如果零交叉点检测器指示电机在最佳条件下没有启动,则控制器调节关断间隔和激励脉冲宽度,并相应地重新启动电机。 由于能够在各种激励条件下可靠地调节电动机的启动,所以可以成功地启动电动机,而不会出现转矩死点,头部粘附和起动转矩不足等问题。