Image sensor system, a camera module, an electronic device and a method for operating a camera module for detecting events using infrared

A monolithic image sensor system sensitive to electromagnetic irradiation and comprising:

• a first pixel area comprising an array of synchronous first image sensor pixels and an infrared pixel area comprising infrared image sensor pixels sensitive to infrared irradiation,
• a change detector area comprising multiple asynchronous change detectors, and
• a synchronous intensity read-out circuitry,
• wherein a first electromagnetic receptor of a respective first image sensor pixel is electrically coupled to the synchronous intensity read-out circuitry,
• and wherein an infrared detector of a respective infrared image sensor pixel is electrically coupled to a respective first asynchronous change detector out of the multiple asynchronous change detectors,
• wherein the change detector area is a distinct part of the monolithic image sensor system which is separate from the pixel areas,
• wherein the infrared pixel area is arranged to at least partly surround the first pixel area, and
• wherein the change detector area is arranged to at least partly surround the pixel areas.