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    • 43. 发明公开
    • 미세입자 분리장치
    • 用于分离和收集通过颗粒尺寸从气体相中的材料获得的纳米颗粒以测量有害影响的装置
    • KR1020050015871A
    • 2005-02-21
    • KR1020030055168
    • 2003-08-09
    • 조명행이규원임경수권순박한규태
    • 조명행한규태이규원권순박임경수
    • B82B3/00B82Y40/00B82Y35/00
    • PURPOSE: A device for separating and collecting nanoparticles obtained from its precursors in gas phase by their particles size, is provided to measure harmful effects of the small gas phase materials in the air. CONSTITUTION: The device for separating and collecting nanoparticles comprises: a nanoparticle-generating means(10) in which gas phase precursors of air pollutants are nucleated and condensed to particles and the particles are developed to nanosized particles; and a separation means(30) in which nanosized particles are classified by certain size ranges, wherein the separation means comprises pluralities of separation means which are arranged in series starting from a means for separating particles having bigger diameter and comprise a device for measuring harmful effects of the nanoparticles, wherein the separation means may be a differential mobility analyzer or an inertial impactor.
    • 目的:提供一种用于分离和收集由其前体在气相中通过其颗粒尺寸获得的纳米颗粒的装置,以测量小气相材料在空气中的有害影响。 构成:用于分离和收集纳米颗粒的装置包括:纳米颗粒发生装置(10),其中空气污染物的气相前体成核并冷凝成颗粒,并将颗粒显影成纳米颗粒; 和分离装置(30),其中纳米级颗粒被分类为一定的尺寸范围,其中分离装置包括多个分离装置,其从用于分离具有较大直径的颗粒的装置开始串联排列,并且包括用于测量有害影响的装置 的纳米颗粒,其中分离装置可以是差速迁移率分析仪或惯性冲击器。
    • 44. 发明公开
    • 동영상 압축 및 복원방법과 그 장치
    • 用于压缩和恢复移动图像的方法及其装置
    • KR1020040072612A
    • 2004-08-18
    • KR1020047002792
    • 2002-12-10
    • 임경수
    • 임경수
    • H04N19/132H04N19/176
    • H04N19/59H04N19/60H04N19/895
    • PURPOSE: A method for compressing and restoring a moving image is provided to search a position of an inclined line with a minimal function, and to interpolate compressed data into the position, thereby minimizing a line cut-off phenomenon. CONSTITUTION: A video screen block processor(100) inputs original screen video data, and divides into continuous square blocks for pixels of inputted images. A block screen contracting portion(102) down-samples some pixels within each block, and contracts size of each block screen. A DCT portion(104) performs a DCT process to convert into a frequency area from a spatial area for each contracted block, and generates DCT coefficients. A quantizer(106) quantizes the DCT coefficients. An entropy coder(108) codes the quantized coefficients to generate compressed coding data. An entropy decoder(200) decodes the coding data to output the quantized DCT coefficients. A reverse quantizer(202) reversely quantizes the DCT coefficients to restore the DCT coefficients. An IDCT portion(204) performs an IDCT process for the DCT coefficients to restore the contracted blocks.
    • 目的:提供一种用于压缩和恢复运动图像的方法来搜索具有最小功能的倾斜线的位置,并且将压缩数据内插到该位置,从而最小化线截止现象。 构成:视频屏幕块处理器(100)输入原始屏幕视频数据,并将其分成用于输入图像的像素的连续的方块。 块屏幕收缩部分(102)对每个块内的一些像素进行下采样,并收缩每个块屏幕的大小。 DCT部分(104)执行DCT处理,以从每个收缩块的空间区域转换成频率区域,并且生成DCT系数。 量化器(106)量化DCT系数。 熵编码器(108)对量化系数进行编码以产生压缩编码数据。 熵解码器(200)对编码数据进行解码以输出量化的DCT系数。 反向量化器(202)逆DCT量化DCT系数以恢复DCT系数。 IDCT部分(204)对DCT系数执行IDCT处理以恢复收缩块。