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    • 1. 发明授权
    • Optical pickup actuator and optical recording and/or reproducing apparatus having the same
    • 光拾取器致动器及具有该拾取器执行器的光学记录和/或再现装置
    • US07969828B2
    • 2011-06-28
    • US11402990
    • 2006-04-13
    • Seok-jung KimMoon-whan LeeDo-hoan NamJung-gug PaeSoo-han Park
    • Seok-jung KimMoon-whan LeeDo-hoan NamJung-gug PaeSoo-han Park
    • G11B7/00G11B5/58
    • G11B7/0933G11B7/0935G11B7/0956G11B2007/0006
    • An optical pickup actuator independently drivable in focusing, tilting and tracking directions. The optical pickup includes a lens holder movably installed on a base, and mounted with an objective lens for transmitting an incident light to an optical information recording medium; and a magnetic circuit to independently driving the lens holder in the focusing, tilting and tracking directions. The magnetic circuit includes opposing magnets; a focusing coil and tilting coils interposed between the magnets, mounted inside the lens holder, and wound around respective axes parallel to the focusing direction; and a plurality of tracking coils mounted outside the lens holder, interposed between the magnets and wound around respective axes transverse to the focusing direction. The magnetic fields of the magnets are guided by outer yokes partially encompassing the magnets and inner yokes positioned within the focusing coil and the tilting coils.
    • 光学拾音器执行器可以在聚焦,倾斜和跟踪方向上独立驱动。 光拾取器包括可移动地安装在基座上并安装有用于将入射光传输到光学信息记录介质的物镜的透镜保持器; 以及用于在聚焦,倾斜和跟踪方向独立地驱动透镜架的磁路。 磁路包括相对的磁体; 聚焦线圈和夹在所述磁体之间的倾斜线圈,安装在所述透镜保持器内部,并围绕平行于所述聚焦方向的相应轴线缠绕; 以及多个跟踪线圈,其安装在透镜保持器的外部,插入在磁体之间并围绕横向于聚焦方向的各个轴线缠绕。 磁体的磁场由位于聚焦线圈和倾斜线圈内部的磁体和内轭铁的部分包围的外轭引导。
    • 2. 发明申请
    • ACTUATOR USED WITH AN OPTICAL PICKUP
    • 使用光学拾取器的执行器
    • US20090016178A1
    • 2009-01-15
    • US12235832
    • 2008-09-23
    • Seok-jung KimYong-hoon LeeSun-mo Kim
    • Seok-jung KimYong-hoon LeeSun-mo Kim
    • G11B7/00
    • G11B7/1374G11B7/0933G11B7/0935G11B2007/0006
    • An actuator used with an optical pickup includes: a base on which a holder is fixed; a lens holder in which a plurality of installation holes are formed such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights; a support member, which movably supports the lens holder, having one end coupled to the lens holder and the other end coupled to the holder; and a magnetic circuit which drives the lens holder in focusing and tracking directions. The plurality of installation holes include a first installation hole in which a first objective lens for at least one type of low density optical disc is installed, and a second installation hole in which a second objective lens for a higher density optical disc than the low density optical disc is installed. When a working distance of the first objective lens for the low density optical disc installed in the first installation hole is represented as WD1, and a working distance of the second objective lens for the high density optical disc installed in the second installation hole is represented as WD2, the first and second installation holes are provided so that the first and second objective lenses are installed to satisfy the Equation: WD1≧WD2, a separation distance between the optical disc and the second objective lens=WD2+α where, α=|WD1−WD2|×(0.1˜1.0). The second installation hole is located in a more outer circumference of the optical disc than the first installation hole.
    • 与光学拾取器一起使用的致动器包括:固定有保持器的基座; 其中形成多个安装孔的透镜保持器,使得用于记录和/或再现具有不同记录密度的光盘的多个物镜安装在不同的高度; 支撑构件,其可移动地支撑透镜保持器,其一端联接到透镜保持器,另一端联接到保持器; 以及在聚焦和跟踪方向上驱动透镜架的磁路。 多个安装孔包括:第一安装孔,其中安装有用于至少一种类型的低密度光盘的第一物镜;以及第二安装孔,其中用于高密度光盘的第二物镜低于低密度 安装光盘。 当安装在第一安装孔中的低密度光盘的第一物镜的工作距离表示为WD1时,将安装在第二安装孔中的高密度光盘的第二物镜的工作距离表示为 WD2,第一和第二安装孔被设置成使得第一和第二物镜被安装以满足等式:<?in-line-formula description =“In-line Formulas”end =“lead”?> WD1> = WD2,<?in-line-formula description =“In-line Formulas”end =“tail”?>光盘与第二物镜之间的间隔距离= WD2 + alpha其中,α= | WD1-WD2 | x (0.1〜1.0)。 第二安装孔位于光盘的比第一安装孔更外侧的圆周上。
    • 5. 发明授权
    • Micro actuator
    • 微型执行器
    • US06600634B1
    • 2003-07-29
    • US09676757
    • 2000-10-02
    • Seok-jung KimYong-hoon Lee
    • Seok-jung KimYong-hoon Lee
    • G11B5596
    • G11B5/5552
    • A micro actuator for moving a head device in a track direction of a recording medium by a magnetic force generated between the magnetic cores. In normal use, the micro actuator is mounted on an actuator arm which pivots in a track direction across a track of the recording medium. The slider moves above the recording medium and has an accommodating portion facing the recording medium. A first magnetic core is arranged to move in the accommodating portion, for supporting the head device. A second magnetic core, separated a predetermined distance from and facing the first magnetic core, is installed in the accommodating portion such that the center of the first magnetic core in a magnetic direction, which is perpendicular to the track direction and horizontal with respect to the surface of the recording medium, is offset from the center of the first magnetic core. A first magnetic coil is wound around the first magnetic core so that the axis of the first magnetic coil runs in the vertical direction and a magnetic force in a direction perpendicular to a surface of the recording medium is generated when current is applied. Leaf springs elastically connects the first magnetic core and the inner side of the accommodating portion in the track direction. When current is applied to the first magnetic coil, the first magnetic core is moved in the track direction by a magnetic force generated between the magnetic cores.
    • 一种用于通过在磁芯之间产生的磁力在记录介质的磁道方向上移动磁头装置的微致动器。 在正常使用中,微型致动器安装在致动器臂上,该致动器臂沿着记录介质的轨道在轨道方向上枢转。 滑块移动到记录介质上方并具有面向记录介质的容纳部分。 第一磁芯布置成在容纳部分中移动,用于支撑头部装置。 与容纳部分隔开预定距离并面对第一磁芯的第二磁芯被安装在容纳部分中,使得第一磁芯的磁心方向的中心与轨道方向垂直并相对于 记录介质的表面偏离第一磁芯的中心。 第一磁性线圈围绕第一磁芯卷绕,使得第一磁性线圈的轴线在垂直方向上延伸,并且当施加电流时产生与记录介质的表面垂直的方向上的磁力。 板弹簧在轨道方向弹性地连接容纳部分的第一磁芯和内侧。 当电流施加到第一磁性线圈时,第一磁芯通过在磁芯之间产生的磁力在轨道方向上移动。
    • 6. 发明授权
    • Disk drive head suspension assembly with microactuator
    • 带微型制动器的磁盘驱动器头悬挂组件
    • US06535360B1
    • 2003-03-18
    • US09580459
    • 2000-05-30
    • Seok-jung KimYong-hoon Lee
    • Seok-jung KimYong-hoon Lee
    • G11B2124
    • G11B5/5552
    • A head suspension assembly of a hard disk drive includes a rod beam coupled to an end portion of an actuator arm capable of pivoting in a direction following tracks of a disk, a slider supported at an end portion of the rod beam for reading and writing data from and on the disk, a micro actuator including first and second magnetic members installed at the rod beam and the slider, respectively, and being moved by an electromagnetic force between the magnetic members to allow the slider to minutely move with respect to the rod beam, and a connection device for elastically connecting the first magnetic member and the second magnetic member.
    • 硬盘驱动器的磁头悬挂组件包括耦合到致动器臂的端部的杆梁,其能够沿着盘的轨道的方向枢转,支撑在杆梁的端部处的用于读取和写入数据的滑块 微型致动器包括分别安装在杆梁和滑块处的第一和第二磁性构件,并通过电磁力在磁性构件之间移动,以允许滑块相对于杆梁微小地移动 以及用于弹性地连接第一磁性构件和第二磁性构件的连接装置。
    • 7. 发明授权
    • Actuator for optical pick-up and method of rolling driving coil therefor
    • 用于光学拾取的执行器及其驱动线圈的方法
    • US06507554B2
    • 2003-01-14
    • US09301464
    • 1999-04-29
    • Yong-ki SonByung-ryul RyooYong-hoon LeeSeok-jung Kim
    • Yong-ki SonByung-ryul RyooYong-hoon LeeSeok-jung Kim
    • G11B1700
    • G11B21/16G11B7/0933G11B7/0935G11B33/08
    • An actuator for an optical pick-up and a method of rolling a driving coil using the same. The actuator for the optical pick-up includes a bobbin for holding an object lens, a suspension for connecting the bobbin to a holder, and a magnetic driver. The magnetic driver includes a pair of permanent magnets respectively positioned near opposite sides of the bobbin, a plurality of tracking coils with pairs of the tracking coils rolled on opposite side surfaces of the bobbin, and a focus coil rolled around the bobbin and the plurality of tracking coils. The plurality of tracking coils and focus coil receive current to move the optical pickup through interaction with the permanent magnets, and a strong force is generated by narrowing a distance between the permanent magnets and the focus coil based upon the focus coil being rolled around the bobbin and the tracking coils. Accordingly, it is possible to improve the sensitivity and to prevent improper tilting of the actuator.
    • 用于光学拾取器的致动器和使用其的滚动驱动线圈的方法。 用于光学拾取器的致动器包括用于保持物镜的线轴,用于将线轴连接到保持器的悬架以及磁性驱动器。 磁驱动器包括分别位于线轴相对侧的一对永久磁铁,多个跟踪线圈,其具有在绕线筒的相对侧面上滚动的跟踪线圈对,以及围绕线轴卷绕的聚焦线圈, 跟踪线圈。 多个跟踪线圈和聚焦线圈接收电流以通过与永磁体的相互作用来移动光学拾取器,并且基于聚焦线圈围绕线轴卷绕而使永磁体和聚焦线圈之间的距离变窄,产生强大的力 和跟踪线圈。 因此,可以提高灵敏度并防止致动器的不正确倾斜。
    • 8. 发明授权
    • Noise killing circuit for video tape duplicating apparatus
    • 用于录像带复印设备的噪声杀伤电路
    • US5212561A
    • 1993-05-18
    • US635243
    • 1990-12-28
    • Seok-jung Kim
    • Seok-jung Kim
    • G11B5/027G11B5/86G11B27/024G11B27/028H04N5/91H04N9/79
    • H04N9/79G11B27/024G11B27/028G11B5/86G11B2220/90
    • A color noise killing circuit for video tape duplicating apparatus which is capable of eliminating the color noise during a fine copy mode comprises mode setting circuit, color signal detecting circuit, selecting circuit and transmission, controlling circuit so that the color noise killing circuit detects via color signal detecting circuit a color signal of the play back system during the fine copy mode and thereby the transmission controlling circuit controls the selecting circuit to selectively supply signals corresponding to the respective modes to the recorder system. Consequently, by supplying the recorder with only luminance signals when black and white image signals are reproduced during the fine copy mode, the circuit achieves an improvement of picture quality duplicated.
    • 一种能够在精细复制模式下消除彩色噪声的视频磁带复制装置的彩色噪声消除电路包括模式设置电路,彩色信号检测电路,选择电路和传输,控制电路,使得彩色噪声消除电路经由颜色检测 信号检测电路在精细复制模式期间播放系统的彩色信号,从而传输控制电路控制选择电路,以选择性地将对应于各种模式的信号提供给记录器系统。 因此,当在精细复制模式期间再现黑白图像信号时,通过向记录器提供亮度信号,电路实现重复的图像质量的提高。
    • 10. 发明申请
    • Apparatus for Operating Syringe Piston
    • 用于操作注射器活塞的装置
    • US20150073351A1
    • 2015-03-12
    • US14019657
    • 2013-09-06
    • Seok-Jung KIMCheong-Ho CHANGJae-Deog JANGHyun-Shin PARKSae-Bom LEEKyoung-Phil BYUN
    • Seok-Jung KIMCheong-Ho CHANGJae-Deog JANGHyun-Shin PARKSae-Bom LEEKyoung-Phil BYUN
    • A61M5/315A61M5/31
    • A61M5/31511A61M5/20A61M5/31A61M5/31565A61M5/484A61M2005/2026
    • An apparatus for operating a syringe has developed comprising that: an upper semi-cylindrical tube section, semi-circular groove shaped locking slot and lower semi-cylindrical tube section. The upper semi-cylindrical tube section is integrally formed an upper head part with a threaded hole for axial movement. The lower semi-cylindrical tube section forms a top portion, intermediate portion and end portion. A diameter (Dc) at the intermediate portion is larger than the diameter (Dtip) at end portion, which is gradually reduced from intermediate to end portion. The length of tapered portion is same as that of the constant diameter portion. A tip portion has formed an opened semi-circular shape to simply overlap the syringe over the syringe mounting device for easily snapping-in and out. The syringe piston moves downward with no reverse action when the piston press unit is rotated, so that it is possible to inject the precise amount of medical to a patient with constant pressure.
    • 已经开发了一种用于操作注射器的装置,其包括:上半圆筒管部分,半圆形槽形锁定槽和下半圆筒管部分。 上部半圆柱形管部分一体地形成有具有用于轴向移动的螺纹孔的上部头部。 下半圆柱形管部分形成顶部,中间部分和端部。 中间部分处的直径(Dc)大于从中间部分逐渐减小的端部处的直径(Dtip)。 锥形部分的长度与恒定直径部分的长度相同。 尖端部分形成为开放的半圆形形状,以便在注射器安装装置上简单地将注射器重叠,以便容易地进入和退出。 当活塞压力单元旋转时,注射器活塞向下移动而不反作用,从而可以将恒定压力的精确量的医疗注射给患者。