Patents Represented by Attorney Nancy Ru

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  • Imaging devices and methods for charge transfer
    Patent number: 8324548
    Abstract: A pixel circuit having improved charge transfer including an amplifier having an input node electrically connected to a charge storage node of the pixel circuit, and a negative feedback control loop having a capacitance element electrically connected between the input node and an output node of said amplifier.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: December 4, 2012
    Assignee: Aptina Imaging Corporation
    Inventors: Yaowu Mo, Chen Xu