Patent ID: 9667928
Date: 2017-05-30
CPC Classifications: G09G,H04N

Claim:
1. A system, comprising: a screen, the screen including: one or more light sources; one or more raster scan devices; one or more focusing lenses, wherein the one or more light sources, the one or more raster scanning devices and the one or more focusing lenses are arranged such that light emitted from the one or more light sources is directed at the one or more raster scanning devices and then directed through the one of more focusing lenses and then onto the screen; and a plurality of detectors, wherein each of the plurality of detectors is placed within a space between the second side of the filter layer and the one or more focusing lenses, wherein each detector has a face and wherein the face of each detector is angled towards a portion of the screen, wherein each detector's face is angled to a direction that is away from the detector's nearest point of the screen.