Patent ID: 8009215

Claim:
A method of operating a semiconductor circuit of an array of complementary metal oxide semiconductor (CMOS) image sensor pixels, said method comprising: providing an array of CMOS image sensor pixels, wherein each CMOS image sensor pixel includes a plurality of frame transfer transistors in a serial connection and electrically connected to a photosensitive diode; exposing an entirety of said array at least twice prior to reading data from said array, wherein a plurality of frames is stored in said plurality of frame transfer transistors, and wherein each of said plurality of frames corresponds to one of said multiple exposures; shifting said plurality of frames within said plurality of frame transfer transistors away from said photosensitive diode; and applying a common gate voltage to gate electrodes of every third frame transfer transistor among said plurality of frame transfer transistors or to gate electrodes of every fourth frame transfer transistor among said plurality of frame transfer transistors during said shifting of said plurality of frames.