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    • 61. 发明授权
    • Hydraulic circuit for heavy equipment option apparatus using boom confluence spool
    • 液压回路重型设备选配装置采用吊臂汇流阀芯
    • US06971302B2
    • 2005-12-06
    • US10847929
    • 2004-05-17
    • Jae Hoon Lee
    • Jae Hoon Lee
    • E02F9/20E02F9/22F15B11/02F15B11/028F15B11/16F15B20/00F15B13/04
    • F15B20/00E02F9/2235
    • There is provided a hydraulic circuit for an option apparatus of heavy equipment using a boom confluence spool, comprising a poppet valve installed at a flow path of a supply side of a spool for the option apparatus, a boom confluence spool that controls the flow rate supplied to the option apparatus and work apparatus and is installed at a direct upstream of the spool of the option apparatus, a second electromagnetic proportion reducing valve that is installed at a flow path between the pilot pump and the boom confluence spool and outputs a secondary pressure in response to an electric signal from the controller and controls the boom confluence spool, and a first spool that is installed at a downstream of the poppet valve and is switched when a pressure difference between upstream and downstream of the boom confluence spool is larger than a set value.
    • 提供了一种用于使用吊杆汇流阀芯的重型设备的选件装置的液压回路,包括安装在用于可选装置的阀芯的供给侧的流动路径处的提升阀,用于控制供应的流量的吊杆汇合阀芯 安装在可选装置和工作装置的直接上游,安装在选配装置的卷轴的上游;第二电磁比例减压阀,安装在先导泵和吊臂汇合线轴之间的流动路径处,并输出二次压力 响应于来自控制器的电信号并控制起重臂汇合线轴,以及第一线轴,其安装在提升阀的下游,并且当起重臂汇流线轴的上游和下游之间的压力差大于设定值时切换 值。
    • 64. 发明授权
    • Power device and method for manufacturing the same
    • 动力装置及其制造方法
    • US08564022B2
    • 2013-10-22
    • US13353990
    • 2012-01-19
    • Jae Hoon Lee
    • Jae Hoon Lee
    • H01L29/06H01L29/66
    • H01L29/0615H01L29/1058H01L29/2003H01L29/66431H01L29/66462H01L29/7787
    • Provided is a power device. The power device may include a two-dimensional electron gas (2-DEG) layer in a portion corresponding to a gate electrode pattern since a second nitride layer is further formed on a lower portion of the gate electrode pattern after a first nitride layer is formed and thus, may be capable of performing a normally-OFF operation. Accordingly, the power device may adjust generation of the 2-DEG layer based on a voltage of a gate, and may reduce power consumption. The power device may regrow only the portion corresponding to the gate electrode pattern or may etch a portion excluding the portion corresponding to the gate electrode pattern and thus, a recess process may be omissible, a reproducibility of the power device may be secured, and a manufacturing process may be simplified.
    • 提供电力设备。 功率器件可以包括对应于栅电极图案的部分中的二维电子气(2-DEG)层,因为在形成第一氮化物层之后在栅电极图案的下部还形成第二氮化物层 因此,能够进行常关动作。 因此,功率器件可以基于栅极的电压来调整2-DEG层的产生,并且可以降低功耗。 功率器件可以只再生对应于栅极电极图案的部分,或者可以蚀刻除了与栅电极图案对应的部分之外的部分,因此凹陷处理可以是不允许的,可以确保功率器件的再现性,并且 制造过程可以被简化。
    • 65. 发明申请
    • CAMERA MODULE
    • 相机模块
    • US20130148016A1
    • 2013-06-13
    • US13408995
    • 2012-02-29
    • Seung Yun OhJae Hoon LeeIn Taek SongTae Young Kim
    • Seung Yun OhJae Hoon LeeIn Taek SongTae Young Kim
    • H04N5/225
    • H04N5/2253
    • Disclosed herein is a camera module. The camera module according to preferred embodiments of the present invention includes: a housing; a printed circuit board disposed in the housing and having a heat dissipating hole formed at a first side thereof; an image sensor bonded to the printed circuit board and disposed on one surface of the heat dissipating hole; and a heat dissipating part having one side contacting the image sensor and the printed circuit board through the heat dissipating hole and the other side disposed at the outside of the housing to discharge heat generated from the image sensor and the printed circuit board to the outside of the housing.
    • 这里公开了一种相机模块。 根据本发明的优选实施例的相机模块包括:壳体; 布置在所述壳体中并具有在其第一侧形成的散热孔的印刷电路板; 结合到印刷电路板并设置在散热孔的一个表面上的图像传感器; 以及散热部,其具有通过所述散热孔与所述图像传感器和所述印刷电路板接触的一侧,所述散热部设置在所述壳体的外部,以将从所述图像传感器和所述印刷电路板产生的热量排出到 住房。
    • 66. 发明申请
    • POWER DEVICE AND METHOD FOR MANUFACTURING THE SAME
    • 电力装置及其制造方法
    • US20130009164A1
    • 2013-01-10
    • US13353990
    • 2012-01-19
    • Jae Hoon Lee
    • Jae Hoon Lee
    • H01L29/78H01L21/336
    • H01L29/0615H01L29/1058H01L29/2003H01L29/66431H01L29/66462H01L29/7787
    • Provided is a power device. The power device may include a two-dimensional electron gas (2-DEG) layer in a portion corresponding to a gate electrode pattern since a second nitride layer is further formed on a lower portion of the gate electrode pattern after a first nitride layer is formed and thus, may be capable of performing a normally-OFF operation. Accordingly, the power device may adjust generation of the 2-DEG layer based on a voltage of a gate, and may reduce power consumption. The power device may regrow only the portion corresponding to the gate electrode pattern or may etch a portion excluding the portion corresponding to the gate electrode pattern and thus, a recess process may be omissible, a reproducibility of the power device may be secured, and a manufacturing process may be simplified.
    • 提供电力设备。 功率器件可以包括对应于栅电极图案的部分中的二维电子气(2-DEG)层,因为在形成第一氮化物层之后在栅电极图案的下部还形成第二氮化物层 因此,能够进行常关动作。 因此,功率器件可以基于栅极的电压来调整2-DEG层的产生,并且可以降低功耗。 功率器件可以只再生对应于栅极电极图案的部分,或者可以蚀刻除了与栅电极图案对应的部分之外的部分,因此凹陷处理可以是不允许的,可以确保功率器件的再现性,并且 制造过程可以被简化。
    • 68. 发明申请
    • POWER FACTOR CORRECTION CIRCUIT
    • 功率因数校正电路
    • US20110110127A1
    • 2011-05-12
    • US12674618
    • 2008-08-22
    • Jae Hoon Lee
    • Jae Hoon Lee
    • H02M1/42
    • G05F1/70
    • The present invention relates to a power factor correction circuit that can reduce distortion of input current in a switching mode power supply. The power factor correction circuit provided in the present invention basically comprises a first inductor which is electrically connected at a first end thereof to an input terminal, a second coil that is coupled to the first inductor to form an induced voltage, a switch electrically connected to the a second terminal of the first inductor, and a switching control unit for controlling turn-on and turn-off of the switch. In such a power factor correction circuit of the present invention, the switching control unit is configured to differently set a turn-on period of the switch depending on the input voltage by generating a signal for controlling the turn-off of the switch using a second coil voltage induced at the secondary coil of the inductor by input voltage or a directly sensed input voltage. Accordingly, distortion of input current can be effectively corrected.
    • 本发明涉及能够减少开关模式电源中的输入电流的失真的功率因数校正电路。 本发明提供的功率因数校正电路基本上包括:第一电感器,其第一端电连接到输入端子;第二线圈,其耦合到第一电感器以形成感应电压,开关电连接到 第一电感器的第二端子和用于控制开关的接通和断开的开关控制单元。 在本发明的这种功率因数校正电路中,开关控制单元被配置为根据输入电压不同地设置开关的导通周期,通过产生用于控制开关的关断的信号,使用第二 通过输入电压或直接感应的输入电压在电感器的次级线圈感应的线圈电压。 因此,可以有效地校正输入电流的失真。