Imaging element, distance measuring device, and electronic device
AssigneeSony Semiconductor Solutions Corporation
InventorKenichi Tayu
Life of this patent
Estimating the term…
Abstract
Provided are an imaging element, a distance measuring device, and an electronic device capable of improving resolution of a distance image while preventing generation of electromagnetic noise. An imaging element according to the present disclosure includes: a signal generator configured to generate a clock signal; a plurality of flip-flops connected in a cascade manner; a circuit block configured to supply a first signal to a clock terminal of each of the plurality of flip-flops and to supply a second signal to an input terminal of a first-stage flip-flop of the plurality of flip-flops in accordance with the clock signal; and a pixel array including pixels configured to be driven using pulse signals supplied from different stages of the plurality of flip-flops.
Claims15
An imaging element, comprising:
- a signal generator configured to generate a clock signal;
- a plurality of flip-flops connected in a cascade manner;
- a circuit block configured to:
- supply a first signal to a clock terminal of each of the plurality of flip-flops based on the clock signal;
- and
- supply a second signal to an input terminal of a first-stage flip-flop of the plurality of flip-flops based on the clock signal;
- and
- a pixel array including pixels, wherein
- the pixel array is configured to receive pulse signals from different stages of the plurality of flip-flops,
- the pixels are driven based on the pulse signals received from the different stages of the plurality of flip-flops,
- each of the pixels in the pixel array includes a signal taking-out unit, and
- the signal taking-out unit includes an N+ semiconductor region, an N− semiconductor region, a P+ semiconductor region, and a P− semiconductor region.
A distance measuring device, comprising:
- a signal generator configured to generate a clock signal;
- a plurality of flip-flops connected in a cascade manner;
- a circuit block configured to:
- supply a first signal to a clock terminal of each of the plurality of flip-flops based on the clock signal;
- and
- supply a second signal to an input terminal of a first-stage flip-flop of the plurality of flip-flops based on the clock signal;
- a pixel array including pixels, wherein
- the pixel array is configured to receive pulse signals from different stages of the plurality of flip-flops,
- the pixels are driven based on the pulse signals received from the different stages of the plurality of flip-flops,
- each of the pixels in the pixel array includes a signal taking-out unit, and
- the signal taking-out unit includes an N+ semiconductor region, an N− semiconductor region, a P+ semiconductor region, and a P− semiconductor region;
- and
- a signal processing unit configured to generate a distance image based on a charge, wherein the charge is generated based on photoelectric conversion in the pixels of the pixel array.
An electronic device, comprising:
- a signal generator configured to generate a clock signal;
- a plurality of flip-flops connected in a cascade manner;
- a circuit block configured to:
- supply a first signal to a clock terminal of each of the plurality of flip-flops based on the clock signal;
- and
- supply a second signal to an input terminal of a first-stage flip-flop of the plurality of flip-flops based on the clock signal;
- and
- a pixel array including pixels, wherein
- the pixel array is configured to receive pulse signals from different stages of the plurality of flip-flops,
- the pixels are driven based on the pulse signals received from the different stages of the plurality of flip-flops,
- each of the pixels in the pixel array includes a signal taking-out unit, and
- the signal taking-out unit includes an N+ semiconductor region, an N− semiconductor region, a P+ semiconductor region, and a P− semiconductor region.
Dependencies are inferred from the claim text.