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    PORTABLE PROTECTIVE DEVICE FOR PREVENTING RESPIRATORY VIRUSES
    71.
    发明申请
    PORTABLE PROTECTIVE DEVICE FOR PREVENTING RESPIRATORY VIRUSES 有权

    公开(公告)号：US20220240604A1

    公开(公告)日：2022-08-04

    申请号：US17586954

    申请日：2022-01-28

    申请人： Young Tae KIM ,  DAESUNG INDUSTRIAL CO., LTD ,  YOUNG CONSULTING LTD.

    发明人： Young Tae KIM

    IPC分类号： A41D13/11 ,  A62B7/10 ,  A62B23/02

    摘要： The present disclosure relates to a portable protective device for preventing respiratory viruses, which is characterized in that a face shield can be worn in close contact with the user's face to prevent the user's eyes and respiratory organs from being exposed to the outside, whereby it is possible to prevent permeation of contaminated air by supplying purified air through an air purifier, and to enable a user to take drink, etc. while minimizing exposure to respiratory viruses because an insertion port for inserting a straw to enable the user to take drink such as coffee is provided.

    Method and apparatus for ultrasound diagnosis that reduces interference and restores missed signals
    73.
    发明授权
    Method and apparatus for ultrasound diagnosis that reduces interference and restores missed signals 有权
    用于超声诊断的方法和装置，其减少干扰并恢复遗漏信号

    公开(公告)号：US09354301B2

    公开(公告)日：2016-05-31

    申请号：US13493464

    申请日：2012-06-11

    申请人： Hwan Shim ,  Young-Tae Kim

    发明人： Hwan Shim ,  Young-Tae Kim

    IPC分类号： A61B8/00 ,  G01S7/52 ,  G01S15/89

    CPC分类号： G01S7/52077 ,  G01S7/52023 ,  G01S7/52026 ,  G01S15/8979

    摘要： A method and apparatus for ultrasound diagnosis that reduces interference and restores missed signals, is provided. The method of ultrasound diagnosis includes operations of receiving a Doppler signal having at least one gap; respectively obtaining model parameter sets of first and second Doppler signals by using Doppler signal periods before and after a start of the at least one gap; synthesizing first and second Doppler information by respectively using the model parameter sets of the first and second Doppler signals; and generating Doppler information for the at least one gap by cross-fading the synthesized first and second Doppler information. The apparatus includes a transformer for transforming received I and Q signals into stereo audio signals using a Hilbert transform; and a source separator which removes interference from the stereo audio signals by performing source separation on the stereo audio signals.

    摘要翻译： 提供了一种减少干扰并恢复丢失信号的超声诊断方法和装置。 超声诊断方法包括接收具有至少一个间隙的多普勒信号的操作; 分别通过在所述至少一个间隙开始之前和之后的多普勒信号周期获得第一和第二多普勒信号的模型参数集合; 通过分别使用第一和第二多普勒信号的模型参数集合合成第一和第二多普勒信息; 以及通过使合成的第一和第二多普勒信息交叉衰落来产生用于所述至少一个间隙的多普勒信息。 该装置包括用于使用希尔伯特变换将接收的I和Q信号变换成立体声音频信号的变压器; 以及源分离器，其通过对立体声音频信号执行源分离来消除来自立体声音频信号的干扰。

    Method and apparatus for outputting sound source signal by using virtual speaker
    75.
    发明授权
    Method and apparatus for outputting sound source signal by using virtual speaker 有权
    使用虚拟扬声器输出声源信号的方法和装置

    公开(公告)号：US08804969B2

    公开(公告)日：2014-08-12

    申请号：US12076357

    申请日：2008-03-17

    申请人： Young-tae Kim ,  Jung-ho Kim ,  Sang-chul Ko

    发明人： Young-tae Kim ,  Jung-ho Kim ,  Sang-chul Ko

    IPC分类号： H04R5/00 ,  H04R5/02

    CPC分类号： H04R3/12 ,  H04S2400/11

    摘要： A method and apparatus for outputting a sound source signal by using a virtual speaker are provided. The method includes generating a virtual sound source signal delayed by a virtual delay value, instead of by the minimum delay value, according to a sampling rate of an input sound source signal, from the input sound source signal; generating a speaker output signal in which a sampling rate is changed based on the input sound source signal and the generated virtual sound source signal; and outputting the generated speaker output signal. Thus, a non-uniform radiation pattern, which causes distortion in a sound radiated from a speaker array, is removed and the limitation of a frequency band of a controllable sound source signal is overcome, thereby providing a stable sound.

    摘要翻译： 提供了一种通过使用虚拟扬声器输出声源信号的方法和装置。 该方法包括根据输入声源信号的采样率，根据输入声源信号产生延迟了虚拟延迟值而不是最小延迟值的虚拟声源信号; 产生基于所输入的声源信号和所生成的虚拟声源信号使采样率改变的扬声器输出信号; 并输出所生成的扬声器输出信号。 因此，消除了从扬声器阵列辐射的声音失真的不均匀辐射图，克服了可控声源信号的频带的限制，从而提供稳定的声音。

    Spindle motor
    76.
    发明授权
    Spindle motor 失效
    主轴电机

    公开(公告)号：US08454237B2

    公开(公告)日：2013-06-04

    申请号：US12874103

    申请日：2010-09-01

    申请人： Young Tae Kim

    发明人： Young Tae Kim

    IPC分类号： F16C32/06

    CPC分类号： F16C17/026 ,  F16C17/246

    摘要： The spindle motor includes a rotating shaft and a sleeve. The rotating shaft has a stepped portion in a fluid dynamic pressure shafting system. The sleeve is fitted over the circumferential outer surface of the rotating shaft. A sleeve recess is formed in the inner surface of the sleeve so that the edges of the stepped portion are spaced apart from the sleeve.

    摘要翻译： 主轴电机包括旋转轴和套筒。 旋转轴在流体动压轴系中具有台阶部分。 套筒安装在旋转轴的圆周外表面上。 套筒凹部形成在套筒的内表面中，使得阶梯部分的边缘与套筒间隔开。

    Method, medium and apparatus enhancing a bass signal using an auditory property
    77.
    发明授权
    Method, medium and apparatus enhancing a bass signal using an auditory property 有权
    方法，介质和装置，使用听觉属性增强低音信号

    公开(公告)号：US08386242B2

    公开(公告)日：2013-02-26

    申请号：US11812950

    申请日：2007-06-22

    申请人： Jung-ho Kim ,  Sang-wook Kim ,  Young-tae Kim ,  Sang-chul Ko

    发明人： Jung-ho Kim ,  Sang-wook Kim ,  Young-tae Kim ,  Sang-chul Ko

    IPC分类号： G10L19/00

    CPC分类号： G10L21/02 ,  G10H1/0091 ,  G10L21/0264 ,  H04R3/04 ,  H04R2430/03

    摘要： Provided are a method, medium and apparatus for enhancing an acoustic signal using an auditory property. An acoustic signal is enhanced by generating a plurality of harmonic signals based on a predetermined acoustic signal frequency, selecting harmonic signals, which exist in an area masked by the predetermined harmonic signal, from among the generated plurality of harmonic signals, and outputting harmonic signals remaining after excluding the selected harmonic signals from the generated plurality of harmonic signals. The enhancement results in a bass signal of good sound quality and having a low distortion ratio, without changing the structure of a micro speaker.

    摘要翻译： 提供了一种使用听觉特性来增强声信号的方法，介质和装置。 通过基于预定的声信号频率生成多个谐波信号，选择存在于由预定谐波信号屏蔽的区域中的谐波信号，从生成的多个谐波信号中产生多个谐波信号并输出​​剩余的谐波信号，从而增强声信号 在从生成的多个谐波信号中排除所选择的谐波信号之后。 该增强导致低音信号具有良好的音质并且具有低失真比，而不改变微型扬声器的结构。

    METHOD AND APPARATUS FOR ULTRASOUND DIAGNOSIS THAT REDUCES INTERFERENCE AND RESTORES MISSED SIGNALS
    78.
    发明申请
    METHOD AND APPARATUS FOR ULTRASOUND DIAGNOSIS THAT REDUCES INTERFERENCE AND RESTORES MISSED SIGNALS 有权
    用于超声诊断的方法和装置，其减少干扰和恢复丢失的信号

    公开(公告)号：US20120316444A1

    公开(公告)日：2012-12-13

    申请号：US13493464

    申请日：2012-06-11

    申请人： Hwan SHIM ,  Young-tae KIM

    发明人： Hwan SHIM ,  Young-tae KIM

    IPC分类号： A61B8/00

    CPC分类号： G01S7/52077 ,  G01S7/52023 ,  G01S7/52026 ,  G01S15/8979

    摘要： A method and apparatus for ultrasound diagnosis that reduces interference and restores missed signals, is provided. The method of ultrasound diagnosis includes operations of receiving a Doppler signal having at least one gap; respectively obtaining model parameter sets of first and second Doppler signals by using Doppler signal periods before and after a start of the at least one gap; synthesizing first and second Doppler information by respectively using the model parameter sets of the first and second Doppler signals; and generating Doppler information for the at least one gap by cross-fading the synthesized first and second Doppler information. The apparatus includes a transformer for transforming received I and Q signals into stereo audio signals using a Hilbert transform; and a source separator which removes interference from the stereo audio signals by performing source separation on the stereo audio signals.

    摘要翻译： 提供了一种减少干扰并恢复丢失信号的超声诊断方法和装置。 超声诊断方法包括接收具有至少一个间隙的多普勒信号的操作; 分别通过在所述至少一个间隙开始之前和之后的多普勒信号周期获得第一和第二多普勒信号的模型参数集合; 通过分别使用第一和第二多普勒信号的模型参数集合合成第一和第二多普勒信息; 以及通过使合成的第一和第二多普勒信息交叉衰落来产生用于所述至少一个间隙的多普勒信息。 该装置包括用于使用希尔伯特变换将接收的I和Q信号变换成立体声音频信号的变压器; 以及源分离器，其通过对立体声音频信号执行源分离来消除来自立体声音频信号的干扰。

    Method of manufacturing hydrodynamic bearing
    79.
    发明授权
    Method of manufacturing hydrodynamic bearing 失效
    制造流体动力轴承的方法

    公开(公告)号：US08230599B2

    公开(公告)日：2012-07-31

    申请号：US12285879

    申请日：2008-10-15

    申请人： Young Tae Kim ,  Jin San Kim ,  Young Hwan Lim ,  Il Oung Park ,  Ta Kyoung Lee

    发明人： Young Tae Kim ,  Jin San Kim ,  Young Hwan Lim ,  Il Oung Park ,  Ta Kyoung Lee

    IPC分类号： B21D53/10 ,  B23H3/00

    CPC分类号： B21D53/10 ,  F16C17/02 ,  F16C17/026 ,  F16C33/14 ,  F16C2220/20 ,  F16C2220/66 ,  F16C2220/68 ,  F16C2223/04 ,  Y10T29/49639 ,  Y10T29/49702 ,  Y10T29/49707 ,  Y10T29/49709

    摘要： Disclosed herein is a method of manufacturing a hydrodynamic bearing in which a metal bearing made of sintered metal powder is internally subjected to chemical etching, to form hydrodynamic pressure grooves thereon, thus assuring a high-precision and reliable hydrodynamic bearing. The method includes: compressing metal powder that is a raw material of the bearing in a press unit, and sintering the compressed metal powder at a predetermined temperature, thus preparing a sintered bearing; removing foreign substances adhering to the sintered bearing through a deburring process, and pressing the sintered bearing into a desired shape; forming a hydrodynamic groove, configured to generate hydrodynamic pressure, on an internal surface of the shaped bearing using chemical etching; and conducting a post treatment of cleaning the bearing including the hydrodynamic grooves thereon and drying the bearing.

    摘要翻译： 本文公开了一种制造流体动力轴承的方法，其中由烧结金属粉末制成的金属轴承在内部进行化学蚀刻，以在其上形成流体动力学压力槽，从而确保高精度和可靠的流体动力轴承。 该方法包括：在压制单元中压制作为轴承原料的金属粉末，并在预定温度下烧结压缩的金属粉末，从而制备烧结轴承; 通过去毛刺处理去除附着在烧结轴承上的异物，将烧结后的轴承压制成所希望的形状; 使用化学蚀刻形成在所述成形轴承的内表面上产生流体动力学压力的流体动力槽; 并对其上包括流体动力槽的轴承进行清洗，并干燥轴承。