Patent ID: 6366321
Filing Date: 2002-04-02
Classification: H04N

Abstract:
A solid-state imaging device, comprising:a plurality of pixel units for storing signal charges generated by photo-electric conversion, a signal voltage of each pixel unit corresponding to an amount of accumulated signal charge, each of said pixel units being connected to a vertical scanning line and to a vertical signal line to which said signal voltage is read out; a capacitor connected between said vertical signal line and a fixed potential; a reset switch for resetting a potential of said capacitor to a reset potential; a connection switch in said vertical signal line for controlling a connection between one of said pixel units and said capacitor so that the potential of said capacitor has a same potential as a potential of the pixel unit selected, one end of said reset switch being connected between said connection switch and a horizontal switch connected to an output, and one end of the capacitor being connected to a junction between the connection switch and the horizontal switch; and a capacitance of said capacitor being equal to or larger than a capacitance of said vertical signal line such that KTC noise is reduced to obtain improved signal-to-noise ratio.