Patent ID: 11956570
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The imaging system according to claim 4,
wherein the imaging device comprises a pixel block, a first circuit, and a second circuit,
wherein the pixel block comprises a plurality of pixels,
wherein the first circuit is configured to supply a first potential or a second potential to each of the pixels,
wherein each of the pixels is configured to obtain the first data,
wherein each of the pixels is configured to generate the second data by adding the first potential to the first data,
wherein each of the pixels is configured to generate the third data by adding the second potential to the first data, and
wherein the second circuit is configured to generate the fourth data corresponding to a difference between a sum of the second data output from the plurality of pixels and a sum of the third data output from the plurality of pixels.