CPC G01S 17/894 (2020.01) [G01S 17/36 (2013.01); H04N 25/59 (2023.01); H04N 25/75 (2023.01)] | 20 Claims |
1. A time-of-flight camera, comprising:
a global shutter image sensor comprising a plurality of pixels, each pixel of the plurality of pixels comprising one or more taps, each tap comprising
a photogate,
a short-exposure storage node configured to receive charge during a short-exposure interval of an integration period,
a long-exposure storage node configured to receive charge during a long-exposure interval of the integration period,
a short-exposure switch gate in series with the photogate, the short-exposure switch gate configured to direct charge generated during the short-exposure interval to the short-exposure storage node,
a long-exposure switch gate in series with the photogate and in parallel with the short-exposure switch gate, the long-exposure switch gate configured to direct charge generated during the long-exposure period to the long-exposure storage node, and
a readout mechanism comprising one or more floating diffusion (FD) capacitors.
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