18923216. PHOTOELECTRIC CONVERSION DEVICE AND PHOTOELECTRIC CONVERSION SYSTEM (Canon Kabushiki Kaisha)
PHOTOELECTRIC CONVERSION DEVICE AND PHOTOELECTRIC CONVERSION SYSTEM
Organization Name
Inventor(s)
SEIICHIROU Sakai of Kanagawa JP
PHOTOELECTRIC CONVERSION DEVICE AND PHOTOELECTRIC CONVERSION SYSTEM
This abstract first appeared for US patent application 18923216 titled 'PHOTOELECTRIC CONVERSION DEVICE AND PHOTOELECTRIC CONVERSION SYSTEM
Original Abstract Submitted
A photoelectric conversion device includes a pixel including a photoelectric conversion unit configured to generate charge by photoelectric conversion, a floating diffusion configured to hold charge transferred from the photoelectric conversion unit, and an output unit configured to output a signal corresponding to an amount of charge held in the floating diffusion, the pixel being enabled to switch a capacitance value of the floating diffusion, and a control unit configured to switch the capacitance value of the floating diffusion. The control unit is configured to set the floating diffusion to a first capacitance value when an absolute value of a power supply voltage supplied to the output unit is a first voltage and set the floating diffusion to a second capacitance value larger than the first capacitance value when the absolute value of the power supply voltage is a second voltage lower than the first voltage.