Patent ID: 11943551
Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 12:
13. A method for operating a depth-sensing device, comprising:
controlling a pixel array of an image sensor of the depth-sensing device to sense a reflected light signal reflected from a target to the pixel array, wherein the reflected light signal forms a plurality of light speckles on the pixel array, and the pixel array comprises a plurality of first-type pixels and a plurality of second-type pixels; and
obtaining a time-of-flight (TOF) of the reflected light signal based on a plurality of sensing results of the plurality of first-type pixels and obtaining depth information of the target according to the TOF, wherein the first set of pixel rows do not overlap with the second set of pixel rows, and the second-type pixels are not used to calculate the depth information;
wherein the plurality of light speckles have a plurality of light speckle rows extending along the first predetermined direction, the plurality of light speckle rows are equally spaced, and the plurality of light speckles in each of the light speckle rows are pseudo-randomly spaced.