Imaging device and electronic equipment
An imaging device of the present disclosure includes a plurality of pixels each including a light receiving element that performs photoelectric conversion on incident light to generate an electrical signal, the pixels outputs a detection signal when detecting that an amount of change of the electrical signal exceeds a predetermined threshold, and a control section that reads out, when pixels of a pixel combination of two or more pixels including a pixel of interest both output detection signals, the detection signals. Further, electronic equipment of the present disclosure includes the imaging device including the plurality of pixels and a detection section that have the above-mentioned configurations.
1. An imaging device, comprising:
a plurality of pixels, wherein
each pixel of the plurality of pixels includes a light receiving element configured to execute photoelectric conversion on incident light to generate an electrical signal, and
each pixel of the plurality of pixels is configured to output a detection signal based on an amount of change of the electrical signal that exceeds a threshold; and
a control section configured to:
read out, in a case where each pixel of a pixel combination of at least two pixels of the plurality of pixels outputs the detection signal, the detection signal of each pixel of the pixel combination, wherein
the pixel combination includes a pixel of interest, and
the plurality of pixels includes a pixel associated with the pixel of interest; and
reset the pixel of interest in a case where the pixel of interest outputs the detection signal, and the pixel associated with the pixel of interest does not output the detection signal within a specific period.
2. The imaging device according to claim 1 , wherein the pixel combination includes a combination of:
the pixel of interest, and
a pixel, of the plurality of pixels, adjacent to the pixel of interest in one direction in a matrix arrangement of the plurality of pixels.
3. The imaging device according to claim 1 , wherein the pixel combination includes a combination of:
the pixel of interest, and
a pixel, of the plurality of pixels, adjacent to the pixel of interest in two directions in a matrix arrangement of the plurality of pixels.
4. The imaging device according to claim 1 , wherein the pixel combination includes a combination of:
the pixel of interest, and
a specific pixel, of the plurality of pixels, adjacent to the pixel of interest with one pixel between the pixel of interest and the specific pixel in one direction in a matrix arrangement of the plurality of pixels.
5. The imaging device according to claim 1 , wherein the pixel combination includes a combination of:
the pixel of interest, and
a specific pixel, of the plurality of pixels, adjacent to the pixel of interest with one pixel between the pixel of interest and the specific pixel in two directions in a matrix arrangement of the plurality of pixels.
6. The imaging device according to claim 1 , wherein the control section includes an arithmetic circuit configured to execute a logical operation of the detection signal output from each pixel of the pixel combination of the at least two pixels.
7. The imaging device according to claim 6 , wherein the arithmetic circuit includes an AND circuit.
8. The imaging device according to claim 6 , wherein the arithmetic circuit includes a combination of a NAND circuit and an inverter circuit.
9. The imaging device according to claim 6 , wherein the arithmetic circuit includes a combination of two inverter circuits and a NOR circuit.
10. An imaging device, comprising:
a plurality of pixels, wherein
each pixel of the plurality of pixels includes a light receiving element configured to execute photoelectric conversion on incident light to generate an electrical signal,
each pixel of the plurality of pixels is configured to output a detection signal based on an amount of change of the electrical signal that exceeds a predetermined threshold;
the plurality of pixels includes a first pixel and a second pixel, and
the second pixel is adjacent to the first pixel in at least one direction in a matrix arrangement of the plurality of pixels; and
a control section connected to the first pixel and the second pixel wherein the control section is configured to:
read out, in a case where each of the first pixel and the second pixel output the detection signal, the detection signal of each of the first pixel and the second pixel; and
reset the first pixel in a case where the first pixel outputs the detection signal, and the second pixel associated with the pixel of interest does not output the detection signal within a specific period.
11. The imaging device according to claim 10 , further comprising a color filter on the plurality of pixels, wherein the first pixel and the second pixel are same color pixels.
12. An electronic equipment, comprising:
an imaging device; and
an imaging optical system configured to capture incident light to lead the incident light to the imaging device, wherein the imaging device includes:
a plurality of pixels, wherein
each pixel of the plurality of pixels includes a light receiving element configured to execute photoelectric conversion on the captured incident light to generate an electrical signal, and
each pixel of the plurality of pixels is configured to output a detection signal based on an amount of change of the electrical signal that exceeds a threshold; and
a control section configured to:
read out, in a case where each pixel of a pixel combination of at least two pixels of the plurality of pixels outputs the detection signal, the detection signal of each pixel of the pixel combination, wherein
the pixel combination includes a pixel of interest, and
the plurality of pixels includes a pixel associated with the pixel of interest; and
reset the pixel of interest in a case where the pixel of interest outputs the detection signal, and the pixel associated with the pixel of interest does not output the detection signal within a specific period.