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    • 1. 发明申请
    • Device for driving light emitting diode for flash of camera
    • 用于驱动相机闪光灯的发光二极管的装置
    • US20050265709A1
    • 2005-12-01
    • US10935360
    • 2004-09-08
    • Hyung KimYong Kim
    • Hyung KimYong Kim
    • G03B7/17G03B15/02G03B15/03G03B15/05H01S3/00H04N5/225H04N101/00
    • H04N5/2256G03B15/05G03B2215/0567H04N5/23241
    • Disclosed herein is a device for driving a LED for a flash of a camera, such as a digital camera or a camera of a mobile phone, which is capable of driving the LED in two modes to reduce power consumption. The LED drive device comprises the LED, a continuous low current driver for continuously supplying current which is lower than or equal to rated current of the LED to the LED, a high-current pulse driver for supplying current which is higher than the rated current of the LED to the LED for a predetermined period of time, and a mode selector for selecting one of the continuous low current driver and the high-current pulse driver to drive the LED. According to the present invention, it is possible to prevent unnecessary power consumption and deterioration of reliability of the LED, and obtain an image of brighter picture quality.
    • 这里公开了一种用于驱动诸如数字照相机或移动电话的照相机的照相机的闪光灯的LED的装置,其能够以两种模式驱动LED以降低功耗。 LED驱动装置包括LED,连续的低电流驱动器,用于连续向LED提供低于或等于LED的额定电流的电流;高电流脉冲驱动器,用于提供高于LED的额定电流的电流 LED到LED预定时间段,以及模式选择器,用于选择连续低电流驱动器和大电流脉冲驱动器之一来驱动LED。 根据本发明,可以防止不必要的电力消耗和LED的可靠性的劣化,并且获得更亮的图像质量的图像。
    • 5. 发明申请
    • Drum washing machine
    • 滚筒洗衣机
    • US20070101773A1
    • 2007-05-10
    • US11500513
    • 2006-08-08
    • Jae ParkHyung KimSang PyoSun ParkSung Kang
    • Jae ParkHyung KimSang PyoSun ParkSung Kang
    • D06F37/00B08B3/12D06F25/00
    • D06F39/008D06F39/04
    • A drum washing machine, in which scale deposited in a steam generating device installed for improving sterilizing and washing capacities is efficiently eliminated. The drum washing machine includes a housing; a tub for containing washing water; a drum rotatably installed in the tub; and a steam generating device installed in the housing for supplying steam for sterilizing laundry to the drum, wherein a scale eliminating unit is installed in a water supply channel of the steam generating device, and includes at least one protrusion formed on the inner circumferential surface of the water supply channel or a water supply valve and a pulsation circuit for controlling the flow rate and amount of the water. The scale eliminating unit forms turbulence in the steam generating device or supplies water having varied flow rate and amount to the steam generating device, thereby efficiently eliminating scale deposited in the steam generating device.
    • 有效地消除了沉积在安装用于提高消毒和洗涤能力的蒸汽发生装置中的水垢的滚筒洗衣机。 滚筒洗衣机包括壳体; 一个含洗涤水的洗手盆; 可旋转地安装在桶中的滚筒; 以及蒸汽发生装置,其安装在所述壳体中,用于向所述滚筒提供用于将衣物消毒的蒸汽,其中,所述除垢单元安装在所述蒸汽发生装置的供水通道中,并且包括形成在所述蒸汽发生装置的内周面上的至少一个突起, 供水通道或供水阀和用于控制水的流量和量的脉动电路。 除垢单元在蒸汽发生装置中形成湍流,或者向蒸汽发生装置供给具有变化的流量和量的水,从而有效地消除蒸汽发生装置中沉积的垢。
    • 6. 发明申请
    • Pole adaptor to a multi-task extension pole
    • 极点适配器到多任务扩展杆
    • US20070098487A1
    • 2007-05-03
    • US11264611
    • 2005-10-31
    • Hyung Kim
    • Hyung Kim
    • F16B7/10
    • B25G3/18B25G1/04F16B7/00Y10T403/32467
    • A pole adaptor for connecting and disconnecting a multi-task pole with an attachment tool provides a secure connection and preserves the useful life of the multi-task pole. The adaptor embodies an elongated cylindrical housing having a first open end with two clip holes, a mid-section, and a second open end having four tab holes. The first open end forms a receptacle for the multi-task pole and an alignment with the clip holes for securely attaching the pole adaptor. The second open end forms a receptacle for the attachment tool handle and allowing the handle tabs to connect with two tab holes therein. Four tab holes are provided at the second open end for continued use of the adaptor if two tab wholes wear out.
    • 用于使用附件工具连接和断开多任务杆的极适配器提供了一个安全的连接,并保留了多任务杆的使用寿命。 适配器具有细长的圆柱形壳体,其具有带有两个夹孔的第一开口端,中间部分和具有四个突出孔的第二开口端。 第一开口端形成用于多任务极的插座和与夹子孔对准,用于牢固地连接极适配器。 第二开口端形成用于附接工具手柄的插座,并且允许手柄接片与其中的两个接头孔连接。 在第二开口端设有四个接头孔,以便如果两个接头的整体磨损,则继续使用适配器。
    • 7. 发明申请
    • Refresh control circuit and method for performing a repetition refresh operation and semiconductor memory device having the same
    • 用于执行重复刷新操作的刷新控制电路和方法以及具有该刷新控制电路的半导体存储器件
    • US20070019491A1
    • 2007-01-25
    • US11270650
    • 2005-11-10
    • Young JangJin SoHyung Kim
    • Young JangJin SoHyung Kim
    • G11C7/00
    • G11C11/406G11C11/408G11C11/4087
    • A refresh control circuit and semiconductor devices that may include an address counter for generating a counting address, a repetition address selector for generating a repetition address, a repetition refresh controller for generating a refresh repetition signal based on the counting address and repetition address, and a row decoder for selecting a row of a memory bank based on the counting address and the refresh repetition signal. A method for performing a refresh operation on a semiconductor device that may include receiving a refresh trigger, generating a counting address, generating a repetition address corresponding to a row having a degraded memory cell, providing a refresh repetition signal based on a comparison of the counting address and repetition address, and selecting a row to be refreshed based on one or more of the counting address, repetition address, and the refresh repetition address.
    • 刷新控制电路和半导体器件,其可以包括用于产生计数地址的地址计数器,用于产生重复地址的重复地址选择器,用于基于计数地址和重复地址产生刷新重复信号的重复刷新控制器,以及 行解码器,用于基于计数地址和刷新重复信号来选择存储体组的行。 一种用于在半导体器件上执行刷新操作的方法,所述方法包括:接收刷新触发,产生计数地址,产生与具有劣化存储单元的行对应的重复地址,基于计数的比较提供刷新重复信号 地址和重复地址,并且基于计数地址,重复地址和刷新重复地址中的一个或多个来选择要刷新的行。
    • 8. 发明申请
    • Process for the preparation of dimethylether from hydrocarbons
    • 从碳氢化合物制备二甲醚的方法
    • US20060287405A1
    • 2006-12-21
    • US11450580
    • 2006-06-10
    • Young BaekWon ChoByoung ChoJung SuhDong KimHyung KimSeung LeeWoo Ju
    • Young BaekWon ChoByoung ChoJung SuhDong KimHyung KimSeung LeeWoo Ju
    • C07C27/06
    • C07C41/09C07C41/01C07C43/043
    • Disclosed herein is a process for the preparation of dimethylether from hydrocarbons, including tri-reforming a feedstock mixture comprised of hydrocarbons, carbon dioxide and water vapor in the presence of a tri-reforming catalyst, to prepare a syngas, which then undergoes gas-phase direct synthesis into dimethylether in one step in the presence of a hybrid catalyst. According to the process of this invention, three main processes among typical syngas preparation processes are simultaneously performed, and then, the syngas thus obtained is prepared into dimethylether through a direct reaction in one step, thereby decreasing the apparatus cost and operation cost. In addition, all of the carbon dioxide separated and recovered from the unreacted material and by-products may be reused as reaction material, thus decreasing the generation of carbon dioxide and reducing the material cost.
    • 本文公开了一种从烃制备二甲醚的方法,包括在三重转化催化剂的存在下,由烃,二氧化碳和水蒸气组成的原料混合物进行三重重整,以制备合成气,然后合成气经历气相 在混合催化剂存在下,在一个步骤中直接合成二甲醚。 根据本发明的方法,同时进行典型的合成气制备过程中的三个主要过程,然后通过一步直接反应将由此获得的合成气制备成二甲醚,从而降低设备成本和操作成本。 此外,从未反应的物质和副产物中分离回收的二氧化碳全部可以作为反应物质再利用,从而减少二氧化碳的产生并降低材料成本。