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    • 22. 发明授权
    • Image sensor with readout circuit
    • 带读出电路的图像传感器
    • US07911512B2
    • 2011-03-22
    • US10405904
    • 2003-04-02
    • Robert Henderson
    • Robert Henderson
    • H04N9/68H04N5/335
    • H04N5/363H04N5/365H04N5/374H04N5/378
    • An image sensor has an array of pixels. Each column has a first and a second column line connected to a read-reset amplifier/comparator which acts in a first mode as a unity gain buffer amplifier to reset the pixels via the first lines, and in a second mode acts as a comparator and AD converter to produce digitized reset and signal values. The reset and signal values are read out a line at a time in interleaved fashion. Reset values are stored in a memory and subsequently subtracted from the corresponding signal values. The arrangement reduces both fixed pattern and kT/C noise.
    • 图像传感器具有像素阵列。 每列具有连接到以第一模式作为单位增益缓冲放大器的读 - 复位放大器/比较器的第一和第二列线,经由第一行复位像素,并且在第二模式中,作为比较器, AD转换器产生数字化复位和信号值。 复位和信号值以交错方式一次读出一行。 复位值存储在存储器中,并随后从相应的信号值中减去。 该装置减少固定模式和kT / C噪声。
    • 25. 发明授权
    • Method for down-scaling a digital image and a digital camera for processing images of different resolutions
    • 用于缩小数字图像的方法和用于处理不同分辨率的图像的数字照相机
    • US07436441B2
    • 2008-10-14
    • US10360516
    • 2003-02-07
    • Keith FindlaterRobert HendersonStewart SmithJonathan HurwitzMirko Guarnera
    • Keith FindlaterRobert HendersonStewart SmithJonathan HurwitzMirko Guarnera
    • H04N5/262
    • H04N5/374H04N5/3456H04N5/3458H04N9/045
    • A digital camera for capturing and processing images of different resolutions and a corresponding method for down-scaling a digital image are provided. The method includes forming an image of a real scene on an image sensor that is made up of a plurality of pixels arranged in a matrix. The method further includes addressing and reading pixels in the matrix to obtain analog quantities related to the pixels luminance values, converting the analog quantities from the pixels matrix into digital values, and processing the digital values to obtain a data file representing the image of the real scene. To reduce computation time and power consumption, the addressing and reading of the pixels includes selecting a group of pixels from the matrix, and storing the analog quantities related to the pixels of the selected group of pixels into an analog storing circuit. The stored analog quantities are averaged to obtain an analog quantity corresponding to an average pixel luminance value.
    • 提供了用于捕获和处理不同分辨率的图像的数字照相机和用于缩小数字图像的相应方法。 该方法包括在由矩阵排列的多个像素构成的图像传感器上形成真实场景的图像。 该方法还包括寻址和读取矩阵中的像素以获得与像素亮度值相关的模拟量,将来自像素矩阵的模拟量转换为数字值,并处理数字值以获得表示真实图像的数据文件 现场。 为了减少计算时间和功耗,像素的寻址和读取包括从矩阵中选择一组像素,并将与所选择的像素组的像素相关的模拟量存储到模拟存储电路中。 对存储的模拟量进行平均以获得对应于平均像素亮度值的模拟量。
    • 29. 发明授权
    • Apparatus for cleaning a swimming pool water filter
    • 清洗游泳池水过滤器的设备
    • US06497814B1
    • 2002-12-24
    • US09883617
    • 2001-06-18
    • Ken AlexanderRobert Henderson
    • Ken AlexanderRobert Henderson
    • B01D2700
    • E04H4/1209
    • A water pump normally used in a system circulating pool water through a filter cartridge 26 is used to clean the filter cartridge by coupling a 3-way or inline valve 32 and a tee 36 in the piping 12 between the pump 16 and the filter. In a first valve position, the filter housing receives the entire water output from the pump, and in a second position, the entire water output of the pump is diverted to a flexible hose 52 secured to a first water discharge wand 58. A circular ring-shaped manifold 64 with an array of discharge apertures 66 directs streams of water radially outward into the filter cartridge in a direction opposite the normal flow of water for hydraulically flushing debris from the filter cartridge. A second wand with a C-shaped manifold (FIG. 5) is then connected to the hose and used to direct water streams onto the outer periphery of the filter cartridge.
    • 通常在通过过滤器滤芯26循环池水的系统中使用的水泵被用于通过将泵3与过滤器之间的管道12中的三通或直列阀32和三通管36联接来清洁过滤器滤芯。 在第一阀位置,过滤器壳体接收从泵输出的整个水,并且在第二位置,泵的整个水输出被转移到固定到第一排水杆58的柔性软管52。圆环 具有排放孔66阵列的形状歧管64将水流沿着与正常水流相反的方向径向向外引导到过滤筒中,用于液体冲洗来自滤筒的碎屑。 然后将具有C形歧管(图5)的第二棒连接到软管并用于将水流引导到过滤器滤芯的外周。