Imaging device
AssigneeSony Semiconductor Solutions Corporation
InventorKohei Horii
Life of this patent
Estimating the term…
Abstract
Imaging devices with suppressed white image blackening are disclosed. In one example, an imaging device includes a pixel unit including pixels that respectively photoelectrically convert incident light to generate a pixel signal. A first signal line transmits the pixel signal from the pixel unit, a signal processing unit converts the pixel signal into a digital value, a differentiation circuit between the first signal line and the signal processing unit differentiates the pixel signal and outputs a differentiation result, and a first comparison unit between the differentiation circuit and the signal processing unit compares the differentiation result with a predetermined threshold and outputs a comparison result to the signal processing unit.
Claims15
An imaging device comprising:
- a pixel unit including a plurality of pixels that photoelectrically converts incident light to generate a pixel signal;
- a first signal line that transmits the pixel signal from the pixel unit;
- a signal processing unit that converts the pixel signal into a digital value;
- a differentiation circuit that is provided between the first signal line and the signal processing unit, differentiates the pixel signal, and outputs a differentiation result;
- and
- a first comparison unit that is provided between the differentiation circuit and the signal processing unit, compares the differentiation result with a predetermined threshold, and outputs a comparison result to the signal processing unit.
Dependencies are inferred from the claim text.