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

Claim 15:
16. A device for monitoring occupants of seats in a passenger compartment of a vehicle, comprising:
a heat sink divided into a plurality of sections, each of the sections comprising a base and a plurality of cooling fins, the bases extending along a common axis and defining a central niche therebetween;
a plurality of structured light sources, each of the plurality of structured light sources attached to one of the plurality of sections and projecting light laterally away from the central niche, wherein each of the plurality of structured light sources has an optical element for forming a structured light pattern, wherein the plurality of structured light sources are oriented along the common axis and at oblique angles to the central niche, such that the plurality of structured light patterns, in combination, are directed to cover said occupants of said seats of said vehicle;
a plurality of unstructured light sources arranged to illuminate an area targeted with the plurality of structured light patterns, wherein the plurality of structured light sources and the plurality of unstructured light sources are oriented along the common axis at oblique angles relative to the central niche, and wherein the plurality of structured light sources define generated fields directed toward sides of said vehicle; and
a camera attached to the central niche and configured to capture image patterns resulting from distortion of the plurality of structured light patterns by said occupants of said seats.