Patent ID: 7289148
Filing Date: 2007-10-30
Classification: H04N

Abstract:
1. An image sensor, comprising: an array of pixels comprising a column of pixels; a pixel column output line coupled to the column of pixels; a first switch coupled to the pixel output line; a capacitor coupled to the first switch; a first crossbar switch having a first input coupled to the pixel column output line and a second input coupled to the capacitor, wherein the first crossbar switch has a first output and a second output; a first column amplifier having an input coupled to the first output of the first crossbar switch, wherein the first column amplifier has an output; a second column amplifier having an input coupled to the second output of first crossbar switch, wherein the second column amplifier has an output; a first bus line coupled to the output of the first column amplifier; a second bus line coupled to the output of the second column amplifier; a second crossbar switch coupled to the first and second bus lines; and an output amplifier coupled to the second crossbar switch.