Patent ID: 11953597
Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 23:
24. An image sensor comprising:
a controller that instructs a light source section to emit a first light pulse, the first light pulse including a first ramp portion between a first signal level and a second signal level and a first discrete signal edge between the first signal level and the second signal level that is different from the first ramp portion;
a plurality of light receivers that each includes a photodiode which causes a signal charge to be generated by receiving a first reflected light pulse corresponding to the first light pulse, and each generates a light reception signal by storing the signal charge and converting the signal charge into a voltage;
a signal edge detector that performs a first detection operation of detecting the first discrete signal edge corresponding to the first reflected light pulse in the light reception signal; and
a measurement section that performs, on a basis of the first discrete signal edge, a first measurement operation of measuring a first time interval from an emission timing of the first light pulse in the light source section to a reception timing of the first reflected light pulse in one of the plurality of light receivers.