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    • 53. 发明授权
    • Self-powered solar tracker
    • 自供电太阳能跟踪器
    • US09070806B2
    • 2015-06-30
    • US14114884
    • 2012-08-22
    • Jae Jin Lee
    • Jae Jin Lee
    • H02N6/00H01L31/042F24J2/38F24J2/40G01S3/786
    • H01L31/042F24S30/45F24S50/00F24S50/20G01S3/7861H01L25/042H02S20/00H02S20/32Y02E10/47
    • Provided is a self-powered solar tracker, which is a solar tracker for adjusting the altitude of and horizontally rotating a solar collector panel such that the solar collector panel on which a plurality of solar cells are provided can face the sun, wherein the self-powered solar tracker comprises: an altitude adjustment optical sensor unit which has one or more first optical sensors formed by being uniformly spaced on the upper side of convex support surfaces to face the sun and one or more second optical sensors formed by being uniformly spaced on the lower side of the convex support surfaces, and which senses the sunlight so as to adjust the altitude of the solar collector panel; a horizontal rotation optical sensor unit which has one or more third optical sensors formed by being uniformly spaced on the left side of the convex support surfaces to face the sun and one or more fourth optical sensors formed by being uniformly spaced on the right side of the convex support surfaces, and which senses sunlight so as to horizontally rotate the solar collector panel; a passive element circuit which has one or more first comparison circuits for comparing the difference in the quantity of output light between the first optical sensors and the second optical sensors and one or more second comparison circuits for comparing the difference in the quantity of output light between the third optical sensors and the fourth optical sensors, and which outputs a driving value for adjusting the altitude of and horizontally rotating the solar collector panel in the direction having a larger light value; an altitude adjustment driving unit for receiving a driving power source from the solar cells of the solar collector panel and for adjusting the altitude of the solar collector panel according to the driving value of the passive element circuit; and a horizontal rotation driving unit for performing the horizontal rotation.
    • 提供了一种自供电的太阳能跟踪器,其是用于调节太阳能收集器板的高度并水平旋转的太阳能跟踪器,使得其上设置有多个太阳能电池的太阳能收集器面板可面向太阳,其中, 具有:高度调节光学传感器单元,其具有一个或多个第一光学传感器,所述第一光学传感器通过在凸起的支撑表面的上侧均匀地间隔开以面对太阳镜,以及一个或多个第二光学传感器,所述第二光学传感器通过在 凸起的支撑表面的下侧,并且感测太阳光以调节太阳能收集器板的高度; 水平旋转光学传感器单元,其具有一个或多个第三光学传感器,所述第三光学传感器通过在凸状支撑表面的左侧均匀地隔开以形成以面对太阳,以及一个或多个第四光学传感器,其通过在 凸起的支撑表面,并且其感测太阳光以水平地旋转太阳能收集器面板; 无源元件电路,其具有用于比较第一光学传感器和第二光学传感器之间的输出光量的差异的一个或多个第一比较电路和用于比较第一光学传感器和第二光学传感器之间的输出光量差异的一个或多个第二比较电路, 第三光传感器和第四光传感器,并且输出用于调节具有较大光值的方向的太阳能收集板的高度和水平旋转的驱动值; 高度调节驱动单元,用于从太阳能收集板的太阳能电池接收驱动电源,并根据无源元件电路的驱动值调节太阳能收集板的高度; 以及水平旋转驱动单元,用于执行水平旋转。
    • 54. 发明授权
    • Data equalizing circuit and data equalizing method
    • 数据均衡电路和数据均衡方法
    • US08817866B2
    • 2014-08-26
    • US13407478
    • 2012-02-28
    • Chun Seok JeongJae Jin LeeChang Sik YooJang Woo LeeSeok Joon Kang
    • Chun Seok JeongJae Jin LeeChang Sik YooJang Woo LeeSeok Joon Kang
    • H03H7/30
    • H04L25/03878H04L25/03012
    • A data equalizing circuit includes an equalizer configured to output data according to a control code; and a detection unit configured to divide the data into N number of calculation periods, count data transition frequencies for the N calculation periods, calculate dispersion values of the data transition frequencies for the N calculation periods, and output the control code corresponding to a largest dispersion value, in response to a counting interruption signal and a counting completion signal, wherein n is equal to or greater than 2, N is greater than n, and the data is divided to n number of unit intervals (UI), andwherein a phase shift of each of the calculation periods with respect to its corresponding UI is different from a phase shift of any of the other calculation periods with respect to its corresponding UI.
    • 数据均衡电路包括:均衡器,被配置为根据控制码输出数据; 以及检测单元,被配置为将数据划分为N个计算周期,用于N个计算周期的计数数据转换频率,计算N个计算周期的数据转换频率的色散值,并输出与最大色散对应的控制码 响应于计数中断信号和计数完成信号,其中n等于或大于2,N大于n,并且数据被划分为n个单位间隔(UI),并且其中相位 每个计算周期相对于其对应的UI的移位不同于任何其他计算周期相对于其对应的UI的相移。
    • 56. 发明授权
    • System and method for detecting sleepiness
    • 用于检测嗜睡的系统和方法
    • US07887489B2
    • 2011-02-15
    • US12520246
    • 2008-08-29
    • Jae Jin LeeChung Hwan KimMin Gun Kim
    • Jae Jin LeeChung Hwan KimMin Gun Kim
    • A61B5/02
    • G08B21/06A61B5/0205A61B5/0402A61B5/0507A61B5/1102A61B5/7455A61B2503/22
    • The present invention relates to a drowsiness detection method. A heartbeat signal and a breathing signal are detected by exploiting together a scheme and an optical system scheme. The detected signals are applied to respective amplification units, noise signals are eliminated from the detected signals, and noise-free signals are amplified. The amplified signals are applied to a central processing unit, signal processing is processed on the signals, and processed signals are combined. The combined signal is counted, and a warning sound, voice message or vibration is output in a case where a value, obtained by subtracting a counted output value monitored one minute before a current time, from a counted output value monitored two minutes before the current time, falls within a detection range and where, with a passage of time, the value falling within the detection range is successively detected from two to ten times.
    • 本发明涉及一种嗜睡检测方法。 通过一起利用方案和光学系统方案来检测心跳信号和呼吸信号。 检测到的信号被施加到各个放大单元,从检测到的信号中消除噪声信号,并且无噪声信号被放大。 将放大的信号施加到中央处理单元,对信号进行信号处理,并且处理的信号被组合。 对组合的信号进行计数,并且在通过从当前时间之前1分钟监视的计数输出值减去得到的值从在当前的两分钟前监视的计数输出值得到的值的情况下输出警告声音,语音消息或振动 时间落在检测范围内,并且随着时间的流逝,落在检测范围内的值被连续地检测到两到十次。
    • 59. 发明授权
    • Adaptive execution method for multithreaded processor-based parallel system
    • 基于多线程处理器的并行系统的自适应执行方法
    • US07526637B2
    • 2009-04-28
    • US11453288
    • 2006-06-15
    • Chang Hee JungDae Seob LimJae Jin LeeSang Yong Han
    • Chang Hee JungDae Seob LimJae Jin LeeSang Yong Han
    • G06F9/00
    • G06F8/456G06F9/5066G06F11/3404G06F2201/88
    • Provided is a parallel program execution method in which in order to reflect structural characteristics of a multithreaded processor-based parallel system, performance of the parallel loop is predicted while compiling or executing using a performance prediction model and then the parallel program is executed using an adaptive execution method.The method includes the steps of: generating as many threads as the number of physical processors of the parallel system in order to execute at least one parallel loop contained in the parallel program; by the generated threads, executing at least one single loop of each parallel loop; measuring an execution time, the number of executed instructions, and the number of cache misses for each parallel loop; determining an execution mode of each parallel loop by determining the number of threads used to execute each parallel loop based on the measured values; and allocating the threads to each physical processor according to the result of the determination to execute each parallel loop.The method significantly improves the performance of the parallel program driven in the multithreaded processor-based parallel system.
    • 提供了一种并行程序执行方法,其中为了反映基于多线程处理器的并行系统的结构特征,在使用性能预测模型编译或执行时预测并行循环的性能,然后使用自适应 执行方式。 该方法包括以下步骤:生成与并行系统的物理处理器的数量一样多的线程,以便执行并行程序中包含的至少一个并行循环; 通过生成的线程执行每个并行循环的至少一个单个循环; 测量执行时间,执行指令的数量以及每个并行循环的高速缓存未命中数; 通过基于测量值确定用于执行每个并行循环的线程数,确定每个并行循环的执行模式; 以及根据确定的结果将线程分配给每个物理处理器以执行每个并行循环。 该方法显着提高了在基于多线程处理器的并行系统中驱动的并行程序的性能。