LIDAR CHIP WITH MULTIPLE DETECTOR ARRAYS

Abstract: a lidar system uses a detector chip have a first column of light sensors and a second column of light sensors, arranged to detect light from pulses of laser light reflected by one or more objects in the environment. the second column of light sensors is arranged to scan a field of view before the first column of light sensor. a processor can adjust power of the emitter, or adjust detector gain of the first column of light sensors, in response to data from the second column of light sensors scanning the field of view, so that light in a dynamic range of the first column of sensors can be used to generate data for a three-dimensional point cloud.

Inventor(s): Chang Seok Shin, Jun Pei, Liqun Han, Dongyi Liao, James Haslim

CPC Classification: G01S17/894 (3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar)

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