Patent ID: 6486912
Filing Date: 2002-11-26
Classification: H04N

Abstract:
An image sensor with sampling control system comprising:a sensor unit having a number of pixel circuits arranged in matrix; a memory unit having a number of memory circuits arranged in matrix, the number of said memory circuits being equal to that of said pixel circuits; a first horizontal shift register for writing memory values constituting a pixel read-out pattern into said memory circuits in accordance with a sample selection signal; a first vertical shift register for generating a signal for writing said memory values into said memory circuits as well as a signal for reading said memory values out of said memory circuits; a second vertical shift register driven in synchronism with said first vertical shift register to generate a signal for reading out pixel values from said pixel circuits as well as a reset signal to said pixels circuits; a second horizontal shift register for outputting pixel value or values selected in accordance with the memory values stored in said memory circuits; a third horizontal shift register for outputting all pixel values; and a switch unit for controlling read-out of pixel values from any one of said second and third horizontal shift registers in accordance with the memory values stored in said memory circuits.