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    • 6. 发明授权
    • Infinite wavelength antenna device
    • 无限波长天线装置
    • US08797219B2
    • 2014-08-05
    • US13142937
    • 2009-12-09
    • Jae Woo KoJeong Hae LeeJoon Hyun BaekJae Hyun Park
    • Jae Woo KoJeong Hae LeeJoon Hyun BaekJae Hyun Park
    • H01Q1/00
    • H01Q9/0421H01Q1/38H01Q5/40H01Q9/045H01Q21/30
    • The present invention relates to an infinite wavelength antenna device, which includes: a board body made of a dielectric and having a slab structure; a feed part arranged on one surface of the board body, and generating a magnetic field when power is applied; and an MNG resonance part arranged on the board body so that a preset distance is maintained from the feed part and at least a portion thereof is placed within the magnetic field, grounded through both ends thereof, resonating at a specific frequency band when the magnetic field is generated, and having a negative permeability. In the present invention, as the infinite wavelength antenna device operates according to the infinite wavelength property, the resonant frequency band may be determined independently of the size of the antenna device. Hence, miniaturization of the infinite wavelength antenna device can be realized. In addition, as power feeding is performed using magnetic coupling in the infinite wavelength antenna device, power can be easily fed to multiple resonance parts of the antenna device. Consequently, the infinite wavelength antenna device may resonate at multiple frequency bands or a wider frequency band.
    • 无限长波长天线装置技术领域本发明涉及无限长波长天线装置,其特征在于,包括:由电介质构成的板状体, 设置在所述基板主体的一个表面上的馈电部,并且在施加电力时产生磁场; 以及布置在电路板主体上的MNG共振部分,使得从馈电部分保持预设距离,并且其至少一部分被放置在磁场内,通过其两端接地,当磁场 并且具有负导磁率。 在本发明中,随着无限波长天线装置根据无限波长特性进行工作,可以独立于天线装置的尺寸来确定谐振频带。 因此,可以实现无限波长天线装置的小型化。 此外,由于在无限波长天线装置中使用磁耦合进行供电,因此能够容易地将电力馈送到天线装置的多个谐振部。 因此,无限波长天线装置可以在多个频带或更宽的频带谐振。
    • 8. 发明授权
    • Turn table for spindle motor
    • 主轴电机转台
    • US08584154B2
    • 2013-11-12
    • US12562392
    • 2009-09-18
    • Jae Hyun ParkCheong Un Han
    • Jae Hyun ParkCheong Un Han
    • G11B17/028
    • G11B17/0282
    • A turn table of a spindle motor in which a small-diameter disk can be freely attached and detached is disclosed, wherein the disk insertion unit includes an inclination portion guiding the inserted disk, and a vertical portion extensively formed from the inclination portion to the disk accommodation unit to allow an inner periphery of the disk to be brought into contact, and wherein the claw includes an inclination claw portion guiding the inserted disk and a vertical claw portion bent from the inclination claw portion to chuck the disk, and wherein an outer diameter of the vertical portion at the disk insertion unit is 14.94˜l4.96 mm and an outer diameter of the vertical claw portion at the claw is 15.17˜15.23 mm.
    • 公开了一种主轴电动机的转台,其中小直径盘可以自由地安装和拆卸,其中盘插入单元包括引导插入盘的倾斜部分和从倾斜部到盘的广泛形成的垂直部分 容纳单元,以使盘的内周接触,并且其中所述爪包括引导插入盘的倾斜爪部分和从倾斜爪部弯曲以夹紧盘的垂直爪部,并且其中外径 的盘片插入单元的垂直部分为14.94〜1.94mm,爪部的垂直爪部的外径为15.17〜15.23mm。
    • 10. 发明授权
    • Mounting device for disk in spindle motor
    • 主轴电机中的磁盘安装装置
    • US08508087B2
    • 2013-08-13
    • US13335650
    • 2011-12-22
    • Jae Hyun ParkJin Seung Yoo
    • Jae Hyun ParkJin Seung Yoo
    • H02K7/00
    • H02K7/003G11B17/0282G11B19/2009
    • A spindle motor including a base, a bearing housing supported on the base, a bearing provided within the bearing housing, a rotating shaft rotatably supported by the bearing, a stator including a core fixed to the bearing housing and coils wound around the core, a rotor including a rotor yoke fixed to the rotating shaft, and a first magnet installed on the rotor yoke facing the stator, a turntable positioned on the rotor yoke, rotating together with the rotating shaft, a center guide member coupled to the rotating shaft at an upper side of the turntable, an elastic member disposed between the turntable and the center guide member for elastically supporting the center guide member.
    • 一种主轴电动机,包括基座,支撑在所述基座上的轴承壳体,设置在所述轴承壳体内的轴承,由所述轴承可旋转地支撑的旋转轴,定子,所述定子包括固定到所述轴承壳体的芯和缠绕在所述芯上的线圈, 转子,其包括固定到所述旋转轴的转子轭,以及安装在面向所述定子的所述转子轭上的第一磁体,位于所述转子轭上的转盘,与所述旋转轴一起旋转;中心引导构件, 转台的上侧,设置在转盘和中心引导构件之间的弹性构件,用于弹性地支撑中心引导构件。