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    • 2. 发明授权
    • Monolithically integrated circuit for linear image scanning with
matchable sensors
    • 用于线性图像扫描的单片集成电路,具有可匹配的传感器
    • US4334239A
    • 1982-06-08
    • US171717
    • 1980-07-24
    • Heiner HerbstMatthias Niemeyer
    • Heiner HerbstMatthias Niemeyer
    • H04N1/028G06T1/00H01L27/148H04N1/04H04N9/04H04N9/07
    • H04N9/045
    • A color image scanning circuit has a linear image sensor with photodiode sensor elements disposed in two adjacent rows integrated on a semiconductor substrate. The sensor elements are divided into groups with all sensors in each group being covered with one of several different color filters. An overflow gate is provided on the substrate between the rows of sensor elements for each group of sensor elements and are provided with individually variable clock pulse voltages for selectively varying the integration time of each group of sensor elements. By selective dimensioning of the respective integration times, compensation of the varying spectral light-sensitivities of the sensor elements can be accurately and simply achieved for generating balanced output signals for each sensor element group.
    • 彩色图像扫描电路具有线性图像传感器,其具有集成在半导体衬底上的两个相邻行中的光电二极管传感器元件。 传感器元件被分成组,每个组中的所有传感器被几个不同的滤色器之一覆盖。 在每组传感器元件的传感器元件行之间的衬底上设置溢流门,并且设置有可变时钟脉冲电压,用于选择性地改变每组传感器元件的积分时间。 通过选择性地确定各积分时间的尺寸,可以准确且简单地实现传感器元件的变化的光谱灵敏度的补偿,以便为每个传感器元件组产生平衡的输出信号。
    • 3. 发明授权
    • Readout circuit for a monolithically integrated circuit for linear image
scanning
    • 用于线性图像扫描的单片集成电路的读出电路
    • US4353084A
    • 1982-10-05
    • US171718
    • 1980-07-24
    • Heiner HerbstMatthias Niemeyer
    • Heiner HerbstMatthias Niemeyer
    • H04N5/335H01L27/148H04N9/07H01L27/14
    • H01L27/14825H01L27/14887
    • A monolithically integrated circuit for linear image scanning is coupled through clock pulse-supplied transfer gates to a number of readout charge transfer devices and has an overflow drain zone and an overflow gate disposed between the drain zone and the sensors connected to a clock pulse for selectively permitting transfer of charge between the sensors and the drain zone, with the sensors divided into groups representing image lines. The linear image scanning circuit operated by the interlacing method by which partial images are generated by different groups of sensors. The clock pulse controlling the overflow gate restricts the integration times of the various groups of sensors so that during the scanning of the partial images generated thereby, overlapping of the image data of one line of adjacent partial images is eliminated.
    • 用于线性图像扫描的单片集成电路通过时钟脉冲提供的传输门耦合到多个读出的电荷转移装置,并且具有溢流漏极区和布置在漏极区和连接到时钟脉冲的传感器之间的溢流门,以选择性地 允许在传感器和排水区之间传送电荷,传感器被分成表示图像线的组。 由隔行扫描方式操作的线性图像扫描电路通过不同的传感器组生成部分图像。 控制溢出门的时钟脉冲限制了各组传感器的积分时间,使得在扫描由此生成的部分图像的过程中,消除了一行相邻局部图像的图像数据的重叠。