Latency control circuit and semiconductor device including the circuit
    31.
    发明授权
    Latency control circuit and semiconductor device including the circuit 有权
    延迟控制电路和包括该电路的半导体器件

    公开(公告)号:US08837239B2

    公开(公告)日:2014-09-16

    申请号:US13797574

    申请日:2013-03-12

    CPC classification number: G11C7/222 G11C2207/2272

    Abstract: A latency control circuit includes a clock delay configured to output a plurality of serial delay signals obtained by serially delaying an input clock signal with the same intervals, a deviation information generating unit configured to generate a deviation information on the basis of a delay value, which the clock signal undergoes in a chip, and latency information, a clock selector configured to output a plurality of clock selection signals based on the plurality of serial delay signals and the deviation information, a command signal processing unit configured to generate a read signal based on an input command signal, and output a variable delay duplication signal by variably delaying the read signal, and a latency shifter configured to output a latency signal by combining the plurality of clock selection signals with the variable delay duplication signal.

    Abstract translation: 延迟控制电路包括:时钟延迟,被配置为输出通过以相同间隔串行延迟输入时钟信号而获得的多个串行延迟信号;偏差信息生成单元,被配置为基于延迟值生成偏差信息, 时钟信号经历芯片,等待时间信息,时钟选择器,被配置为基于多个串行延迟信号和偏差信息输出多个时钟选择信号;命令信号处理单元,被配置为基于 输入命令信号,并通过可变地延迟读取信号来输出可变延迟复制信号;以及等待时间移位器,被配置为通过将多个时钟选择信号与可变延迟复制信号组合来输出等待时间信号。

    METHOD AND APPARATUS FOR SYNCHRONIZING MEDIA DATA OF MULTIMEDIA BROADCAST SERVICE
    35.
    发明申请
    METHOD AND APPARATUS FOR SYNCHRONIZING MEDIA DATA OF MULTIMEDIA BROADCAST SERVICE 有权
    用于同步多媒体广播服务媒体数据的方法和装置

    公开(公告)号:US20130074141A1

    公开(公告)日:2013-03-21

    申请号:US13624328

    申请日:2012-09-21

    Abstract: A method and an apparatus for synchronizing media data and auxiliary data received by a service through a broadcast network or a communication network in a multimedia broadcast service are provided. The method includes receiving regular media data provided for a broadcast service, receiving and storing control information regarding adjunct media data comprising auxiliary data regarding the regular media data, determining location information of the adjunct media data included in the control information, and receiving and storing the adjunct media data according to the location information. If an identifier of the adjunct media data is included in a header of the regular media data, reading the stored adjunct media data corresponding to the identifier of the adjunct media data, and executing the adjunct media data in synchronization with the regular media data according to synchronization information included in the header.

    Abstract translation: 提供了一种用于通过广播网络或通信网络在多媒体广播服务中同步媒体数据和由服务接收的辅助数据的方法和装置。 该方法包括:接收和存储有关关于常规媒体数据的辅助数据的附加媒体数据的控制信息,确定包含在控制信息中的附加媒体数据的位置信息,以及接收和存储 根据位置信息附加媒体数据。 如果附加媒体数据的标识符被包括在常规媒体数据的标题中,则读取与附加媒体数据的标识符相对应的存储的附加媒体数据,并且根据常规媒体数据与常规媒体数据同步地执行附加媒体数据 标题中包含的同步信息。

    Photodetectors
    36.
    发明授权
    Photodetectors 有权
    光电探测器

    公开(公告)号:US08373153B2

    公开(公告)日:2013-02-12

    申请号:US12472168

    申请日:2009-05-26

    Applicant: Doyeol Ahn

    Inventor: Doyeol Ahn

    Abstract: Implementations of quantum well photodetectors are provided. In one embodiment, a quantum structure includes a first barrier layer, a well layer located on the first barrier layer, and a second barrier layer located on the well layer. A metal layer is located adjacent to the quantum structure.

    Abstract translation: 提供了量子阱光电探测器的实现。 在一个实施例中,量子结构包括第一阻挡层,位于第一阻挡层上的阱层和位于阱层上的第二势垒层。 金属层位于量子结构附近。

    Semiconductor device
    37.
    发明授权
    Semiconductor device 有权
    半导体器件

    公开(公告)号:US08368047B2

    公开(公告)日:2013-02-05

    申请号:US12606880

    申请日:2009-10-27

    Applicant: Doyeol Ahn

    Inventor: Doyeol Ahn

    CPC classification number: H01L29/167 H01L33/0004 H01L33/385

    Abstract: Semiconductor devices including a light emitting layer, and at least one surface plasmon metal layer in contact with the light emitting layer are provided. The light emitting layer includes an active layer having a first band gap, and one or more barrier layers having a second band gap. The first band gap is smaller than the second band gap. Methods for fabricating semiconductor devices are also provided.

    Abstract translation: 提供包括发光层的半导体器件和与发光层接触的至少一个表面等离子体金属层。 发光层包括具有第一带隙的有源层和具有第二带隙的一个或多个势垒层。 第一带隙小于第二带隙。 还提供了制造半导体器件的方法。

    LIGHT EMITTING DIODE DRIVER HAVING OFFSET VOLTAGE COMPENSATING FUNCTION
    38.
    发明申请
    LIGHT EMITTING DIODE DRIVER HAVING OFFSET VOLTAGE COMPENSATING FUNCTION 审中-公开
    具有偏置电压补偿功能的发光二极管驱动器

    公开(公告)号:US20120319609A1

    公开(公告)日:2012-12-20

    申请号:US13288728

    申请日:2011-11-03

    CPC classification number: H05B33/0812 H05B33/0848 Y02B20/345

    Abstract: There is provided a light emitting diode (LED) driver having an offset voltage compensating function compensating for an offset voltage generated at the time of driving of an LED, the LED driver including: a driving unit detecting a current flowing in an LED unit having at least one LED, as a voltage and controlling the current flowing in the LED unit according to a comparison result between the detected voltage and a reference voltage having a preset voltage level; and an offset compensating unit integrating a voltage difference between the detected voltage and the reference voltage and adding or subtracting a compensating current according to an integration result to thereby compensate for an offset.

    Abstract translation: 提供一种发光二极管(LED)驱动器,其具有补偿在驱动LED时产生的偏移电压的偏移电压补偿功能,所述LED驱动器包括:驱动单元,其检测在具有 至少一个LED作为电压,并且根据检测到的电压和具有预设电压电平的参考电压之间的比较结果来控制在LED单元中流动的电流; 以及偏移补偿单元,其将检测到的电压和参考电压之间的电压差积分,并根据积分结果来补偿或减去补偿电流,从而补偿偏移。

    Optical fiber sensor
    40.
    发明授权
    Optical fiber sensor 有权
    光纤传感器

    公开(公告)号:US08270782B2

    公开(公告)日:2012-09-18

    申请号:US12695288

    申请日:2010-01-28

    Applicant: Ju Han Lee

    Inventor: Ju Han Lee

    CPC classification number: G01L1/242 G01D5/35348 G01K11/32

    Abstract: An optical fiber sensor may include an optical fiber configured to receive a light having a first frequency from a light source and to transmit the light through the optical fiber, the transmitted light having the first frequency and a second frequency which is generated by stimulated Brillouin scattering (SBS), a photodetector configured to receive the transmitted light from the optical fiber and to convert the transmitted light into an electric signal and a sensing circuit configured to calculate an average squared value of the electric signal received from the photodetector, which is dependent on a frequency difference between the first frequency and the second frequency.

    Abstract translation: 光纤传感器可以包括光纤,其被配置为从光源接收具有第一频率的光并且透射光通过光纤,具有第一频率的透射光和由受激布里渊散射产生的第二频率 (SBS),被配置为接收来自光纤的透射光并且将透射光转换成电信号的光电检测器,以及被配置为计算从光电检测器接收的电信号的平均平方值的感测电路,其依赖于 第一频率和第二频率之间的频率差。

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