Patent ID: 7244918

Claim:
A method of operating a pixel array comprising the steps of: activating a global storage signal to store a photosensor charge in a first storage region of each pixel of said array; activating a first reset signal for the pixels in a first row of said array to reset a second storage region of each pixel in said first row; sampling said reset second storage region for the pixels of said first row; activating a third reset signal for the pixels in a second row of said array to reset a third storage region of each pixel in said second row; sampling said reset third storage region for the pixels of said second row; transferring said photosensor charge from said first storage region of each pixel in a first set of columns of said first and second rows of said array respectively to said second and third storage regions for the pixels in said first and second rows; sampling said photosensor charge from said second storage region from said pixels in said first row and first set of columns; and sampling said photosensor charge from said third storage region from said pixels in said second row and first set of columns.