Patent ID: 11895441
Assignee: GENTEX CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A device for monitoring occupants of seats in a passenger compartment of a vehicle, comprising:
a plurality of structured light sources, each of the plurality of structured light sources attached to one of a plurality of heat sinks and having a diffractive optical element for forming a structured light pattern, wherein the structured light pattern is a two-dimensional light matrix, and wherein the plurality of structured light sources are oriented such that at least one structured light pattern of the plurality of structured light patterns extends onto each occupant of said occupants of a cabin space of said vehicle;
a camera attached to a central niche and configured to capture image patterns resulting from distortion of the plurality of structured light patterns by said occupants of said seats; and
a processor configured to monitor the distortion of the plurality of structured light patterns, wherein the processor analyzes changes in the image patterns captured by the camera.