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    • 3. 发明授权
    • Column output circuits for image sensors
    • 图像传感器的列输出电路
    • US08411184B2
    • 2013-04-02
    • US12644490
    • 2009-12-22
    • Bruce V. Johnson
    • Bruce V. Johnson
    • H04N5/335H01L27/146
    • H04N5/3742H04N5/378
    • A pixel array in an image sensor includes multiple pixels arranged in rows and columns with each column of pixels electrically connected to a column output line. A sample and hold circuit is electrically connected to each column output line. In one embodiment in accordance with the invention, each sample and hold circuit includes one capacitor for receiving and storing a signal voltage and a second capacitor for receiving and storing a reset voltage. The sample and hold circuits are divided into distinct groups, with each group including two or more sample and hold circuits. A pair of buffers is electrically connected to each distinct group. One global bus receives the signal voltages from at least a portion of buffers and another global bus receives the reset voltages from at least a portion of the other buffers. The global buses can include one or more signal lines.
    • 图像传感器中的像素阵列包括以行和列排列的多个像素,每列像素电连接到列输出线。 采样和保持电路电连接到每个列输出线。 在根据本发明的一个实施例中,每个采样和保持电路包括用于接收和存储信号电压的一个电容器和用于接收和存储复位电压的第二电容器。 采样和保持电路分为不同的组,每组包括两个或多个采样和保持电路。 一对缓冲器电连接到每个不同的组。 一个全局总线接收来自缓冲器的至少一部分的信号电压,另一个全局总线接收来自其它缓冲器的至少一部分的复位电压。 全局总线可以包括一条或多条信号线。
    • 4. 发明申请
    • COLUMN OUTPUT CIRCUITS FOR IMAGE SENSORS
    • 图像传感器的柱输出电路
    • US20110149136A1
    • 2011-06-23
    • US12644490
    • 2009-12-22
    • Bruce V. Johnson
    • Bruce V. Johnson
    • H04N5/335H01L27/146
    • H04N5/3742H04N5/378
    • A pixel array in an image sensor includes multiple pixels arranged in rows and columns with each column of pixels electrically connected to a column output line. A sample and hold circuit is electrically connected to each column output line. In one embodiment in accordance with the invention, each sample and hold circuit includes one capacitor for receiving and storing a signal voltage and a second capacitor for receiving and storing a reset voltage. The sample and hold circuits are divided into distinct groups, with each group including two or more sample and hold circuits. A pair of buffers is electrically connected to each distinct group. One global bus receives the signal voltages from at least a portion of buffers and another global bus receives the reset voltages from at least a portion of the other buffers. The global buses can include one or more signal lines.
    • 图像传感器中的像素阵列包括以行和列排列的多个像素,每列像素电连接到列输出线。 采样和保持电路电连接到每个列输出线。 在根据本发明的一个实施例中,每个采样和保持电路包括用于接收和存储信号电压的一个电容器和用于接收和存储复位电压的第二电容器。 采样和保持电路分为不同的组,每组包括两个或多个采样和保持电路。 一对缓冲器电连接到每个不同的组。 一个全局总线接收来自缓冲器的至少一部分的信号电压,另一个全局总线接收来自其它缓冲器的至少一部分的复位电压。 全局总线可以包括一条或多条信号线。
    • 7. 发明授权
    • Shear layer control in a free-vortex aerodynamic window
    • 自由涡旋空气动力学窗口中的剪切层控制
    • US4559628A
    • 1985-12-17
    • US488838
    • 1983-04-26
    • Bruce V. JohnsonRoy N. Guile
    • Bruce V. JohnsonRoy N. Guile
    • H01S3/034H01S3/08
    • H01S3/0343H01S3/034
    • A boundary-controlled aerodynamic window positioned adjacent the exit aperture of a gas laser is transparent to the laser beam emitted from the cavity of the laser. The boundary-controlled aerodynamic window is formed by a high velocity gas flow directed by a duct across the exit aperture for the laser beam isolating the low pressure region of the cavity from the high pressure of the atmosphere. The exit aperture is enlarged and an auxiliary gas flow injected along the sidewall of the duct adjacent the exit aperture to expand the thickness of the boundary layer. In a second embodiment, particulate matter is fixedly attached to the sidewall of the duct to increase the roughness of the wall surface. A third embodiment uses a plurality of nozzles, each injecting gas with a predetermined velocity.
    • 位于气体激光器出口孔附近的边界控制的空气动力学窗对从激光器腔发射的激光束是透明的。 边界控制的空气动力学窗口由导管穿过出口孔的高速气流形成,用于将空腔的低压区域与大气压的高压隔离。 出口孔被扩大,辅助气流沿着管道的侧壁与出口孔相邻地注入,以扩大边界层的厚度。 在第二实施例中,颗粒物质固定地附接到管道的侧壁以增加壁表面的粗糙度。 第三实施例使用多个喷嘴,每个喷嘴以预定的速度喷射气体。