Patent ID: 8766876

Claim:
A projector system for an advertising image, the projector system comprising: an image processing unit provided in an engine room of a train to reproducing an advertising image; a plurality of image distribution units provided in respective passenger cars of the train to receive the advertising image via communication with the image processing unit; and a plurality of image display units disposed at certain distances in the proximity of windows inside the passenger car and outputting and displaying the advertising images, transmitted from the image processing unit and received by the image distribution units, onto exposed surfaces of the windows, wherein the image processing unit includes a communication section communicating with a server or the image distribution units to receive, at the image processing unit, the advertising image or transmit the advertising image to the image distribution units, respectively, an input section through which a variety of information, the advertising image, and a command signal from a manager are input, an image reproduction section reproducing the advertising image received via the communication section or through the input section, an image conversion section correcting the advertising image reproduced by the image reproduction section, using an angle and a distance between the exposed surface of the window and the image display unit, and a controller controlling the advertising image output from the image conversion section to be transmitted to the image distribution units via the communication section.