Patent ID: 8941686
Filing Date: 2015-01-27
Classification: H04B,H04N

Abstract:
1. An information display apparatus for performing a visual light communication and superimposing light source information transmitted from a light source onto images captured in time sequence for display on a screen, the information display apparatus comprising: an imaging section that captures an image in time sequence in an imaging range; a cache memory; an information processing section that extracts light source information transmitted from a light source in the imaging range; and a display control section that superimposes the light source information onto the image captured by the imaging section, and displays the image, on which the light source information has been superimposed, on the screen, wherein the information processing section includes logic that, when executed, performs the steps of deleting the light source information, cached in the cache memory, in an order starting from light source information having a lowest priority level.