Invention Grant
US08732743B2 Passenger information control device and method for providing video data for passenger information control device 有权
乘客信息控制装置和方法,用于为乘客信息控制装置提供视频数据

Passenger information control device and method for providing video data for passenger information control device
Abstract:
A passenger information control device having a video display controller that transmits video data sent from a ground transmission controller to display devices in a train includes: a storage unit that stores a program table and the video data, the program table storing a number of times an advertisement video has been presented, a validity period of the advertisement video, a time period from the last presentation time to the present, and a volume of the video data, being associated with each advertisement; a deletion determining unit that determines whether to designate the video data as a candidate for deletion based on a program table; and a deleting unit that deletes the video data stored in the storage unit based on determination by the deletion determining unit.
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