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    • 7. 发明申请
    • METHODS FOR PROCESSING AN IMAGE CAPTURED BY AN IMAGE SENSOR HAVING MULTIPLE OUTPUT CHANNELS
    • 用于处理具有多个输出通道的图像传感器捕获的图像的方法
    • US20120147239A1
    • 2012-06-14
    • US12967311
    • 2010-12-14
    • Christopher Parks
    • Christopher Parks
    • H04N5/335
    • H04N5/372H04N5/37213
    • Charge packets are transferred from a pixel array in an image sensor to a horizontal shift register. Each charge packet is shifted to a non-destructive sense node. Each charge packet is non-destructively sensed and a signal representative of a number of charge carriers in the charge packet is produced. Respective charge packets are directed to a charge multiplying output channel when the signal representative of the number of charge carriers in each charge packet indicates the charge packet will not saturate the charge multiplying horizontal shift register. Respective charge packets are directed to a charge bypass output channel or an amplifier when the signal representative of the number of charge carriers in each charge packet indicates the charge packet will saturate the charge multiplying horizontal shift register.
    • 充电包从图像传感器中的像素阵列传送到水平移位寄存器。 每个充电分组被移动到非破坏性感测节点。 每个电荷分组被非破坏性地感测,并且产生代表电荷分组中的电荷载流子数量的信号。 当表示每个充电分组中的电荷载体数量的信号指示充电分组不会使电荷乘法水平移位寄存器饱和时,各个电荷分组被引导到电荷倍增输出通道。 当表示每个充电分组中的电荷载体数量的信号指示充电分组将使充电倍增水平移位寄存器饱和时,各个充电分组被引导到充电旁路输出通道或放大器。
    • 8. 发明授权
    • Electronic shutter control in image sensors
    • 图像传感器中的电子快门控制
    • US08184186B2
    • 2012-05-22
    • US12770806
    • 2010-04-30
    • Christopher ParksGregory O. Moberg
    • Christopher ParksGregory O. Moberg
    • H04N3/14H04N5/335H01L27/00
    • H04N5/372
    • An image sensor includes an electronic shutter layer that is used to drain charge during an electronic shutter operation. A timing generator is electrically connected to a selector component. The selector component is electrically connected to an electronic shutter pulse driver component. The electronic shutter pulse driver component is electrically connected to a current sensing component. The current sensing component is electrically connected to the electronic shutter layer through a contact. The current sensing component senses a current level in the electronic shutter layer and changes a state of an alert signal when the current level equals or exceeds a threshold current level. Depending on the state of an alert signal, the selector component either transmits, or does not transmit, the drive pulse signal to the electronic shutter pulse driver component. An electronic shutter operation is performed when the electronic shutter pulse driver component receives the drive pulse signal.
    • 图像传感器包括用于在电子快门操作期间排出电荷的电子快门层。 定时发生器电连接到选择器部件。 选择器部件电连接到电子快门脉冲驱动器部件。 电子快门脉冲驱动器部件电连接到电流感测部件。 电流感测部件通过触点电连接到电子快门层。 电流感测部件感应电子快门层中的电流电平,并且当电流等于或超过阈值电流电平时改变警报信号的状态。 根据警报信号的状态,选择器部件将驱动脉冲信号传输或不传送到电子快门脉冲驱动器部件。 当电子快门脉冲驱动器部件接收到驱动脉冲信号时,执行电子快门操作。
    • 10. 发明授权
    • Wide aperture image sensor pixel
    • 宽光圈图像传感器像素
    • US08035716B2
    • 2011-10-11
    • US12138651
    • 2008-06-13
    • Christopher Parks
    • Christopher Parks
    • H04N3/14H04N9/083
    • H04N5/37457H01L27/14603H01L27/14609H01L27/14636H01L27/14641H01L27/14645H01L27/14689H04N5/347
    • An image sensor includes a unit cell of four pixels. The unit cell includes four photosensitive regions that collect charge in response to light; four transfer transistors that respectively pass the charge from each of the four photosensitive regions to one common charge-to-voltage conversion mechanism; three control wires in which a first control wire controls two of the transfer transistors and a second control wire controls one of the transfer transistors and a third control wire controls one of the transfer transistors; an amplifier connected to the common charge-to-voltage conversion mechanism that outputs an output signal in response to a signal from the charge-to-voltage conversion mechanism; and a reset transistor connected to the common charge-to-voltage conversion mechanism for resetting the charge-to-voltage conversion mechanism to a predetermined signal level.
    • 图像传感器包括四个像素的单位单元。 单位电池包括响应于光而收集电荷的四个感光区域; 四个转移晶体管分别将电荷从四个感光区域中的每一个传递到一个公共的电荷 - 电压转换机构; 三条控制线,其中第一控制线控制两个转移晶体管,第二控制线控制转移晶体管之一,第三控制线控制转移晶体管之一; 连接到公共电荷 - 电压转换机构的放大器,其响应于来自电荷 - 电压转换机构的信号输出输出信号; 以及连接到公共电荷到电压转换机构的复位晶体管,用于将电荷 - 电压转换机构复位到预定的信号电平。