Patent ID: 11895400
Assignee: LUMILEDS, LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 11:
12. A method for operating an image device, the method comprising:
receiving infrared light reflected from a scene;
partially attenuating the infrared light with a filter, the filter including a first area that is substantially transparent to infrared light and substantially transparent to visible light, the first area including a plurality of subareas that do not adjoin one another, the filter including a second area that is substantially opaque to infrared light and substantially transparent to visible light; and
forming an image of the scene using the infrared light and visible light that is reflected from the scene or emitted by the scene, the image being formed with an imaging lens that defines a central axis that extends through the second area of the filter, the subareas being equidistant from the central axis.