Patent ID: 8326687
Filing Date: 2012-12-04
Classification: G06Q

Abstract:
1. An advertisement display system comprising: a photograph unit that obtains image data of one or more signal lights of a signal, the signal being a traffic signal or an alarm for a railway crossing; an image display unit that displays the image data of the one or more signal lights of the signal obtained by the photograph unit, an optical sensor that detects a change in lighting, a change in color, or a blinking condition of the one or more signal lights of the signal as a signal condition of the signal based on the image data of the one or more signal lights of the signal displayed on the image display unit, the optical sensor being attached to a screen of the image display unit; a relay unit connected to the optical sensor; and an advertisement display unit that (i) is viewable from the street, (ii) communicates with the relay unit to obtain the signal condition detected by the optical sensor, (iii) extracts advertisement display information based on a correlation between the extracted advertisement display information and the signal condition of the signal light detected by the optical sensor, and (iv) displays the extracted advertisement display information.