Patent ID: 11930285
Assignee: SK HYNIX INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. An image sensing device comprising:
a timing control circuit suitable for generating M number of initialization signals, which respectively stay enabled different amounts of time during an initialization period; and
M number of converters each including:
a comparator suitable for generating a corresponding comparison signal at an output node by comparing a ramp signal provided to a first input node and a comparison pixel signal provided to a second input node;
a switch suitable for coupling the output node and the second input node while a corresponding one of the initialization signals stays enabled;
a capacitive circuit coupled between the second input node and a node, through which a pixel signal is provided during a readout period;
a counter suitable for generating a corresponding converted pixel signal based on the corresponding comparison signal and a clock signal; and
a calculator suitable for averaging the M number of converted pixel signals to generate an average pixel signal including an average noise.