Patent ID: 11882263
Assignee: LG INNOTEK CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A time of flight (ToF) camera comprising:
a light source unit including an infrared light-emitting device array and configured to generate a light signal;
a lens unit disposed on the light source unit and including a plurality of lenses; and
an adjustment unit configured to adjust the lens unit such that a light pattern of the light signal, which has passed through the lens unit, becomes a surface lighting or a spot lighting including a plurality of spot patterns,
wherein the lens unit is configured to have a preset and controllable distortion aberration in a form of barrel distortion in which irradiance of the light pattern decreases in a direction away from a central portion.