公开(公告)号：US20120049676A1

公开(公告)日：2012-03-01

申请号：US12929043

申请日：2010-12-23

申请人： Ta Kyoung Lee ,  Young Tae Kim ,  Seung Woo Ha

发明人： Ta Kyoung Lee ,  Young Tae Kim ,  Seung Woo Ha

IPC分类号： F16C32/06 ,  H02K7/08

CPC分类号： H02K7/08 ,  F16C17/107 ,  F16C32/0629 ,  F16C33/1085 ,  F16C33/745 ,  F16C2370/12 ,  H02K5/1675

摘要： There are provided a fluid dynamic bearing assembly and a motor having the same. The fluid dynamic bearing assembling according to the present invention may include: a sleeve formed to have a hollow into which a shaft is inserted; a sleeve housing formed to insert the sleeve therein; a bypass passage formed to axially communicate the upper portion and the lower portion of the sleeve between the sleeve and the sleeve housing dispersing pressure of a lubricating fluid in the hollow; and an oil sealing cap having an oil passage communicated with the bypass passage and taper-sealing the lubricating fluid within the oil passage.

摘要翻译： 提供了一种流体动力轴承组件和具有该轴承组件的马达。 根据本发明的流体动态轴承组装可以包括：形成为具有中空的套筒，轴被插入其中; 套筒壳体，其形成为将套筒插入其中; 旁通通道，其形成为在套筒和套筒壳体之间轴向连通套筒的上部和下部，以分散空心中的润滑流体的压力; 以及油封盖，其具有与所述旁通通路连通的油路，并对所述油路内的润滑流体进行锥形密封。

公开(公告)号：US08125851B2

公开(公告)日：2012-02-28

申请号：US12469917

申请日：2009-05-21

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

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

IPC分类号： H04B1/02 ,  G03B42/06 ,  H03G5/00

CPC分类号： H04R3/12

摘要： Provided are an apparatus and method for controlling an acoustic radiation pattern output through an array of speakers. The apparatus stores a plurality of filter values for forming a plurality of corresponding control patterns set in advance from an input signal. The apparatus forms a compensation control pattern such that signals output through the array of speakers have an intended pattern in consideration of a filter value of a focusing filter. The apparatus selects at least one of the control patterns set in advance to form the compensation control pattern, and processes the input signal using a filter value corresponding to the selected control pattern.

摘要翻译： 提供了一种用于控制通过扬声器阵列输出的声辐射图案的装置和方法。 该装置存储用于形成从输入信号预先设定的多个对应控制图案的多个滤波器值。 该装置形成补偿控制模式，使得考虑到聚焦滤波器的滤波器值，通过扬声器阵列输出的信号具有期望的模式。 该装置选择预先设定的控制模式中的至少一个以形成补偿控制模式，并且使用与所选择的控制模式对应的滤波器值处理输入信号。

公开(公告)号：US07957545B2

公开(公告)日：2011-06-07

申请号：US11316860

申请日：2005-12-27

申请人： Young Tae Kim ,  Jung Ho Kim

发明人： Young Tae Kim ,  Jung Ho Kim

IPC分类号： H03G5/00 ,  H04R5/00 ,  H04R1/02 ,  H04B7/00 ,  H04M1/00

CPC分类号： H04R1/245 ,  H04R3/14

摘要： A stereo speaker system including: a speaker unit having a plurality of speakers which output audio; and a filter unit selectively receiving low frequency components of the outputted audio. The filter unit eliminates the received low frequency components to decrease back pressure on the speakers. Thus, the phenomenon of air-loading caused by back-pressure is removed and the low frequency characteristic of stereo speakers is improved by activating the vibration of a vibrating plate.

摘要翻译： 一种立体声扬声器系统，包括：扬声器单元，具有输出音频的多个扬声器; 以及选择性地接收输出音频的低频分量的滤波器单元。 滤波器单元消除接收到的低频分量，以降低扬声器的背压。 因此，通过启动振动板的振动，消除了由背压引起的空气负载现象，提高了立体声扬声器的低频特性。

公开(公告)号：US20110091042A1

公开(公告)日：2011-04-21

申请号：US12903347

申请日：2010-10-13

申请人： Sang-Chul KO ,  Young-Tae KIM ,  Jung-Ho KIM ,  Jung-Woo CHOI

发明人： Sang-Chul KO ,  Young-Tae KIM ,  Jung-Ho KIM ,  Jung-Woo CHOI

IPC分类号： H04R5/00

CPC分类号： H04R5/02

摘要： Disclosed are an apparatus and method for creating an acoustic radiation pattern, which may improve sound focusing performance to a target position. The acoustic radiation pattern creating apparatus may process an input signal which may be output through a speaker array in a room such that at least one vertical-directional reflected wave component of the input signal may overlap a direct sound of the input signal at the target position. Then, the acoustic radiation pattern creating apparatus may replicate the processed input signal by the number of output channels of the speaker array, and may process the replicated input signals such that the replicated input signals may form a predetermined radiation pattern in a horizontal direction in the room when the replicated input signals are output through the speaker array.

摘要翻译： 公开了一种用于创建声辐射图案的装置和方法，其可以将声音聚焦性能改善到目标位置。 声辐射图形生成装置可以处理可以通过房间中的扬声器阵列输出的输入信号，使得输入信号的至少一个垂直方向反射波分量可以与目标位置处的输入信号的直接声音重叠 。 然后，声辐射图形生成装置可以通过扬声器阵列的输出通道的数量来复制经处理的输入信号，并且可以处理复制的输入信号，使得复制的输入信号可以在水平方向上形成预定的辐射图案 复制的输入信号通过扬声器阵列输出时的空间。

公开(公告)号：US07929367B2

公开(公告)日：2011-04-19

申请号：US11534609

申请日：2006-09-22

申请人： Seung-Moon Yoo ,  Myung Chan Choi ,  Young Tae Kim ,  Sung Ju Son ,  Sang-Kyun Han ,  Sun Hyoung Lee

发明人： Seung-Moon Yoo ,  Myung Chan Choi ,  Young Tae Kim ,  Sung Ju Son ,  Sang-Kyun Han ,  Sun Hyoung Lee

IPC分类号： G11C7/00 ,  G11C5/14

CPC分类号： G11C11/4091 ,  G11C7/065 ,  G11C7/08 ,  G11C7/20 ,  G11C8/08 ,  G11C8/10 ,  G11C8/12 ,  G11C8/14 ,  G11C11/406 ,  G11C11/4072 ,  G11C11/4074 ,  G11C11/4085 ,  G11C11/4087 ,  G11C2207/065 ,  G11C2207/2227 ,  G11C2211/4068 ,  H01L27/0207 ,  H01L27/10897

摘要： Circuits and methods for suppressing integrated circuit leakage currents are described. Many of these circuits and methods are particularly well-suited for use in dynamic memory circuits. Examples describe the use of power, ground, or both and power and ground source transistors used for generating virtual voltages. An aspect of the invention describes lowering refresh current. An aspect describes reducing the standby current. An aspect of the invention describes lowering leakage resulting from duplicated circuits, such as row decoders and word line drivers. An aspect describes methods of performing early wake-up of source transistors. A number of source transistor control mechanisms are taught. Circuit layouts methods are taught for optimizing integrated circuit layouts using the source transistors.

摘要翻译： 描述用于抑制集成电路漏电流的电路和方法。 这些电路和方法中的许多特别适用于动态存储器电路。 示例描述了用于产生虚拟电压的电源，接地或两者以及电源和接地源晶体管的使用。 本发明的一个方面描述降低刷新电流。 一方面描述了减少待机电流。 本发明的一个方面描述了降低由诸如行解码器和字线驱动器的复制电路产生的泄漏。 一方面描述了执行源晶体管的早期唤醒的方法。 教授了许多源晶体管控制机制。 教导了使用源极晶体管优化集成电路布局的电路布局方法。

公开(公告)号：US20100296660A1

公开(公告)日：2010-11-25

申请号：US12780099

申请日：2010-05-14

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

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

IPC分类号： H04R29/00 ,  G10K11/16 ,  H04M1/00

CPC分类号： H04R3/12 ,  H04R1/323 ,  H04R1/403 ,  H04R2499/11

摘要： A sound focusing technique is provided to transfer sound to a particular direction. In a sound focusing apparatus, first and second speakers may be arranged to emit sound in opposite directions to form a sound zone. An amplitude and/or a phase of a received signal may be adjusted by a signal processing unit to assign the received signal and the adjusted signal to the first and second speakers, respectively.

摘要翻译： 提供声音聚焦技术以将声音传送到特定方向。 在声音聚焦装置中，第一扬声器和第二扬声器可以布置成在相反的方向上发出声音以形成声音区域。 接收信号的振幅和/或相位可以由信号处理单元来调整，以将接收的信号和调整的信号分别分配给第一和第二扬声器。

公开(公告)号：US20100123519A1

公开(公告)日：2010-05-20

申请号：US12483298

申请日：2009-06-12

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

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

IPC分类号： H03F1/26

CPC分类号： H03F1/32 ,  H03F1/30 ,  H03F2200/459

摘要： Disclosed are an apparatus and method for controlling output distortions of an amplifier. The apparatus for controlling output distortions of an amplifier, includes a compensation signal generator to predict a fluctuation of a supply voltage of a power supply using a prediction model which reflects fluctuations characteristics of the supply voltage, and to generate a compensation signal based on the prediction, and a compensator to transform an input signal using the compensating signal to control the output distortions.

摘要翻译： 公开了一种用于控制放大器的输出失真的装置和方法。 用于控制放大器的输出失真的装置包括补偿信号发生器，用于使用反映电源电压的波动特性的预测模型来预测电源的电源电压的波动，并且基于预测产生补偿信号 以及补偿器，用于使用补偿信号来变换输入信号以控制输出失真。

公开(公告)号：US07599724B2

公开(公告)日：2009-10-06

申请号：US11390202

申请日：2006-03-28

申请人： Jin-woo Cho ,  Jun-tai Kim ,  Sangchul Ko ,  Young-tae Kim ,  Jung-ho Kim

发明人： Jin-woo Cho ,  Jun-tai Kim ,  Sangchul Ko ,  Young-tae Kim ,  Jung-ho Kim

IPC分类号： H04W88/02 ,  H04M1/03

CPC分类号： H04M1/03 ,  H04M1/0235 ,  H04M1/0247 ,  H04R1/2811 ,  H04R2499/11

摘要： A portable terminal includes: a body case including a button operation unit and a circuit unit; at least one sliding case which is sildably connected to the body case to protrude from the body case and in which a closed resonance space is formed when the sliding case protrudes; and at least one speaker which is installed in the sliding case and is placed in the resonance space when the sliding case protrudes. Accordingly, since the resonance space is formed in the sliding case, the quality of sound provided from the speakers to a user is enhanced.

摘要翻译： 便携式终端包括：主体壳体，包括按钮操作单元和电路单元; 至少一个滑动壳体，其滑动地连接到主体壳体以从主体壳体突出并且当滑动壳体突出时形成有闭合的共鸣空间; 以及安装在滑动壳体中并且当滑动壳体突出时放置在共振空间中的至少一个扬声器。 因此，由于在滑动壳体中形成共振空间，因此提高了从扬声器向用户提供的声音的质量。

公开(公告)号：US20090141915A1

公开(公告)日：2009-06-04

申请号：US12076277

申请日：2008-03-14

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

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

IPC分类号： H04R25/00

CPC分类号： H04R1/403 ,  H04R3/005 ,  H04R2430/23

摘要： Provided is a method and apparatus for focusing sound using an array speaker system. The method includes generating a plurality of delayed signals to be focused to a predetermined position from an input signal, filtering a low-frequency signal having a frequency that is lower than a reference frequency from the delayed signals, generating low-frequency focusing signals divided into 2 groups by adjusting a gain of the filtered low-frequency signal, and applying the low-frequency focusing signals divided into the 2 groups to speaker units of the array speaker system at both sides with respect to a center portion of the array speaker system and outputting the low-frequency focusing signals through the speaker units. In this way, the performance of sound focusing for the low-frequency signal can be improved and thus a listener located a predetermined distance from and in a predetermined direction relative to the array speaker system can clearly listen to the low-frequency focusing signals.

摘要翻译： 提供了一种使用阵列扬声器系统对声音进行聚焦的方法和装置。 该方法包括从输入信号产生要聚焦到预定位置的多个延迟信号，从延迟信号中滤出具有低于基准频率的频率的低频信号，产生分为 2组，通过调整滤波的低频信号的增益，并且将相对于阵列扬声器系统的中心部分分成两组的低频聚焦信号施加到两侧的阵列扬声器系统的扬声器单元;以及 通过扬声器单元输出低频聚焦信号。 以这种方式，可以提高对低频信号的声音聚焦的性能，并且因此相对于阵列扬声器系统位于预定方向上和在预定方向上的收听者可以清楚地收听低频聚焦信号。

公开(公告)号：US20090139875A1

公开(公告)日：2009-06-04

申请号：US12245181

申请日：2008-10-03

申请人： Jong Yun KIM ,  Seoung Jae Lee ,  Bae Kyun Kim ,  Young Tae Kim ,  Mi Jin Choi

发明人： Jong Yun KIM ,  Seoung Jae Lee ,  Bae Kyun Kim ,  Young Tae Kim ,  Mi Jin Choi

IPC分类号： C25F3/02

CPC分类号： B23H3/08 ,  C25F3/02

摘要： Disclosed is an electrolyte for electrochemical machining of a metal product, which can reduce a defect of an electro-chemical machining product, increase a lifespan of an electrolyte and an electrode, and improve efficiency of the electrochemical machining. The electrolyte includes an inorganic salt and at least one of a complexing agent and a reducing agent in a solvent.

摘要翻译： 公开了用于电化学加工金属产品的电解质，其可以减少电化学加工产品的缺陷，增加电解质和电极的寿命，并提高电化学加工的效率。 电解质包括无机盐和溶剂中的络合剂和还原剂中的至少一种。