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33 条记录 (耗时 0.027 秒)

    Noise-matching dynamic bias for column ramp comparators in a CMOS image sensor
    1.
    发明授权
    Noise-matching dynamic bias for column ramp comparators in a CMOS image sensor 有权
    CMOS图像传感器中的列斜率比较器的噪声匹配动态偏置

    公开(公告)号：US08872088B2

    公开(公告)日：2014-10-28

    申请号：US13585492

    申请日：2012-08-14

    申请人： Guangbin Zhang ,  Zhiqiang Song

    发明人： Guangbin Zhang ,  Zhiqiang Song

    IPC分类号： H01L27/00 ,  H01L27/146 ,  H03F3/08

    CPC分类号： H01L27/14641 ,  H03F3/087 ,  H04N5/365 ,  H04N5/3658 ,  H04N5/374 ,  H04N5/378

    摘要： Embodiments of an image sensor including a pixel array with a plurality of pixels arranged into rows and columns. Control circuitry coupled to the pixels in each row, and an analog-to-digital converter is coupled to the pixels in each column of the pixel array. Each analog-to-digital converter includes a ramp comparator, and a variable current source coupled to the ramp comparator to provide a variable bias current to the ramp comparator. The bias current can adjusted during reading of a row of pixels according to a dynamic bias current profile that maintains at least a specified margin between the random noise of the pixels and an acceptable noise level. Other embodiments are disclosed and claimed.

    摘要翻译： 包括具有排列成行和列的多个像素的像素阵列的图像传感器的实施例。 耦合到每行中的像素的控制电路和模数转换器耦合到像素阵列的每列中的像素。 每个模数转换器包括斜坡比较器和耦合到斜坡比较器的可变电流源，以向斜坡比较器提供可变偏置电流。 根据在像素的随机噪声和可接受的噪声水平之间保持至少指定的余量的动态偏置电流分布，可以在读取一行像素期间调整偏置电流。 公开和要求保护其他实施例。

    NOISE-MATCHING DYNAMIC BIAS FOR COLUMN RAMP COMPARATORS IN A CMOS IMAGE SENSOR
    2.
    发明申请
    NOISE-MATCHING DYNAMIC BIAS FOR COLUMN RAMP COMPARATORS IN A CMOS IMAGE SENSOR 有权
    CMOS图像传感器中的色散比较器的噪声匹配动态偏置

    公开(公告)号：US20140048685A1

    公开(公告)日：2014-02-20

    申请号：US13585492

    申请日：2012-08-14

    申请人： Guangbin Zhang ,  Zhiqiang Song

    发明人： Guangbin Zhang ,  Zhiqiang Song

    IPC分类号： H01L27/146

    CPC分类号： H01L27/14641 ,  H03F3/087 ,  H04N5/365 ,  H04N5/3658 ,  H04N5/374 ,  H04N5/378

    摘要： Embodiments of an image sensor including a pixel array with a plurality of pixels arranged into rows and columns. Control circuitry coupled to the pixels in each row, and an analog-to-digital converter is coupled to the pixels in each column of the pixel array. Each analog-to-digital converter includes a ramp comparator, and a variable current source coupled to the ramp comparator to provide a variable bias current to the ramp comparator. The bias current can adjusted during reading of a row of pixels according to a dynamic bias current profile that maintains at least a specified margin between the random noise of the pixels and an acceptable noise level. Other embodiments are disclosed and claimed.

    摘要翻译： 包括具有排列成行和列的多个像素的像素阵列的图像传感器的实施例。 耦合到每行中的像素的控制电路和模数转换器耦合到像素阵列的每列中的像素。 每个模数转换器包括斜坡比较器和耦合到斜坡比较器的可变电流源，以向斜坡比较器提供可变偏置电流。 根据在像素的随机噪声和可接受的噪声水平之间保持至少指定的裕度的动态偏置电流分布，可以在读取一行像素期间调整偏置电流。 公开和要求保护其他实施例。

    Polyelectrolyte complexes as thickeners for high ionic strength salt solutions
    4.
    发明授权
    Polyelectrolyte complexes as thickeners for high ionic strength salt solutions 失效
    聚电解质配合物作为高离子强度盐溶液的增稠剂

    公开(公告)号：US08419976B2

    公开(公告)日：2013-04-16

    申请号：US11988969

    申请日：2006-07-12

    申请人： Zhiqiang Song ,  Jianwen Mao

    发明人： Zhiqiang Song ,  Jianwen Mao

    IPC分类号： H01B1/00 ,  C08G18/42 ,  C08K3/02

    CPC分类号： C08L33/02 ,  C08L33/26 ,  C08L2666/04

    摘要： A polyelectrolyte complex composition capable of viscosifying or thickening an aqueous high salt-containing system comprises a mixture of at least one anionic polymer and at least one cationic polymer in an inorganic salt-containing aqueous medium. The anionic polymer and cationic polymer can each be linear and water-soluble, crosslinked and water-soluble, or crosslinked and water-insoluble or swellable.

    摘要翻译： 能够使含水高盐系统增粘或增稠的聚电解质复合组合物包含至少一种阴离子聚合物和至少一种阳离子聚合物在无机盐水溶液介质中的混合物。 阴离子聚合物和阳离子聚合物各自可以是直链和水溶性的，交联的和水溶性的，或交联的和水不溶的或可溶胀的。

    Aqueous two-part isocyanate-free curable, polyurethane resin systems
    9.
    发明授权
    Aqueous two-part isocyanate-free curable, polyurethane resin systems 失效
    水性两部分无异氰酸酯的可固化聚氨酯树脂体系

    公开(公告)号：US5567761A

    公开(公告)日：1996-10-22

    申请号：US313837

    申请日：1994-09-28

    申请人： Zhiqiang Song

    发明人： Zhiqiang Song

    IPC分类号： C08L75/16 ,  C09D133/06 ,  C09D133/14 ,  C09D175/16 ,  C08J3/00 ,  C08F8/30 ,  C08L75/00

    CPC分类号： C09D133/14 ,  C09D133/062 ,  C09D175/16 ,  C08L75/16

    摘要： Aqueous-borne coating compositions containing:(A) an acetoacetylated polymer; and(B) a polyacrylate having at least two (meth)acrylate end groups,have long pot lives and may be cured by the evaporation of water in the presence of a basic catalyst. Acrylic copolymers having pendent urethane side groups which are terminated with (meth)acrylate groups are water-dispersible and may be cured with polyfunctional crosslinking agents or by free radical initiators to afford coatings having excellent properties. Incorporation of a crosslinking component containing epoxy groups improves the coating properties.

    摘要翻译： 含有（A）乙酰乙酰化聚合物的水性涂料组合物; 和（B）具有至少两个（甲基）丙烯酸酯端基的聚丙烯酸酯具有长的使用寿命并且可以在碱性催化剂的存在下通过蒸发水而固化。 具有端接（甲基）丙烯酸酯基的侧链氨基甲酸酯侧基的丙烯酸共聚物是水分散性的，并且可以用多官能交联剂或自由基引发剂固化以提供具有优异性能的涂层。 含有环氧基团的交联组分的结合改善了涂层性能。