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    • 3. 发明申请
    • Method for composing lookup table and searching index thereof
    • 组合查找表和搜索索引的方法
    • US20070124354A1
    • 2007-05-31
    • US11541213
    • 2006-09-29
    • Eung-Don LeeO-Hyung KwonSoo-In Lee
    • Eung-Don LeeO-Hyung KwonSoo-In Lee
    • G06F15/00
    • G06F1/0353
    • A method for composing a lookup table and searching indexes thereof is provided. The method includes the steps of: a) composing a lookup table using a symmetry of a sine and a cosine function; b) changing and setting a gain of a DCO by reflecting a lookup table size in the DCO; c) transforming an absolute value of a DCO output to an integer value; d) determining a range of the integer value of the DCO output; e) searching indexes of a sine and an cosine function according to the range of the integer value of the DCO output; and f) correcting a sign of a lookup table value corresponding to the searched index of the sine function and a sign of a lookup table value corresponding to the searched index of the cosine function according to the range of integers of the DCO output.
    • 提供了一种组合查找表和搜索索引的方法。 该方法包括以下步骤:a)使用正弦和余弦函数的对称来构成查找表; b)通过反映DCO中的查找表大小来更改和设置DCO的增益; c)将DCO输出的绝对值转换为整数值; d)确定DCO输出的整数值的范围; e)根据DCO输出的整数值的范围,搜索正弦和余弦函数的索引; 以及f)根据所述DCO输出的整数的范围,校正与搜索到的正弦函数的索引相对应的查找表值的符号和与所搜索的余弦函数的索引相对应的查找表值的符号。
    • 8. 发明授权
    • Method for controlling error of internet fax data
    • 控制互联网传真数据错误的方法
    • US07639384B2
    • 2009-12-29
    • US12001665
    • 2007-12-11
    • Eung-don LeeTae-gyu Kang
    • Eung-don LeeTae-gyu Kang
    • G06F15/00H03M13/00
    • H04L65/1009H04L1/0007H04L1/0009H04L1/0026H04L29/06H04L29/06027H04L47/10H04L47/26
    • Provided are a method for controlling errors of an Internet fax data according to the statue of a network by using a receiver report (RR) message in a real-time transport control protocol (RTCP) and a gateway to which the method is applied. Therefore, transmission errors are reduced and a transmission speed of a fax data is improved in transmitting a fax data over the Internet. The provided method includes receiving a T.38 fax data for analyzing a predetermined QoS motoring data of the T.38 fax data and generating status information, transmitting the status information to a gateway which has transmitted the T.38 fax data, receiving the status information for analyzing a packet loss of the transmitted T.38 fax data based on the status information, and increasing or decreasing a secondary message sequence length based on an analysis result. The provided method can control errors of a T.38 packet in real time, according to the status of a network, in transmitting a T.38 fax data over the Internet. Therefore, the performance of an error control improves, thereby securing a stable communication and improving a transmission speed. As a result, a communication speed increases so that transmission efficiency improves.
    • 提供了一种通过使用实时传输控制协议(RTCP)中的接收器报告(RR)消息和应用了该方法的网关来根据网络的雕像来控制因特网传真数据的错误的方法。 因此,通过因特网传送传真数据,传输错误减少,传真数据的传输速度得到提高。 所提供的方法包括接收T.38传真数据,用于分析T.38传真数据的预定QoS驾驶数据并产生状态信息,将状态信息发送到已发送T.38传真数据的网关,接收状态 用于基于状态信息分析所发送的T.38传真数据的分组丢失的信息,以及基于分析结果增加或减少辅助消息序列长度。 所提供的方法可以根据网络的状态,通过Internet传输T.38传真数据,实时控制T.38数据包的错误。 因此,提高了错误控制的性能,从而确保了稳定的通信并提高了传输速度。 结果,通信速度增加,从而提高了传输效率。
    • 9. 发明授权
    • Dual layer parallax barrier-based 3D display device and method
    • 基于双层视差屏障的3D显示设备及方法
    • US09036014B2
    • 2015-05-19
    • US13527195
    • 2012-06-19
    • Hyun LeeEung Don Lee
    • Hyun LeeEung Don Lee
    • H04N13/04G02B27/22
    • H04N13/31G02B27/2214H04N13/373
    • A dual layer parallax barrier-based 3D display device may include an image panel that displays a left image and a right image so as to alternately display a left-image column and a right-image column, a dual layer parallax barrier that includes a first common electrode, a second common electrode, a plurality of first individual electrodes, a plurality of second individual electrodes, and a liquid crystal layer, and blocks specific portions of the displayed images and a driving unit that drives the electrodes based on the distance between the image panel and the viewer so as to allow the viewer to view the left image and the right image, separately, and simultaneously drives, in a particular state, at least one of the first common electrode and the plurality of first individual electrodes and at least one of the second common electrode and the plurality of second individual electrodes.
    • 基于双层视差屏障的3D显示设备可以包括显示左图像和右图像以交替地显示左图像列和右图像列的图像面板,双层视差屏障,其包括第一 公共电极,第二公共电极,多个第一单独电极,多个第二单独电极和液晶层,并且阻挡所显示图像的特定部分,以及驱动单元,其基于 图像面板和观看者,以允许观看者单独地观看左图像和右图像,并且在特定状态下同时驱动第一公共电极和多个第一单独电极中的至少一个,并且至少 第二公共电极和多个第二单独电极中的一个。