Patent ID: 8825788

Claim:
A display data management unit, comprising: a communication interface that facilitates the sending and receiving of travel data; and a display content management unit that receives travel data through the communication interface, the received travel data containing travel-related content from a plurality of data sources, requests identification information for a low-cost display unit through the communication interface, receives a display unit profile containing display parameters for the low-cost display unit based on the identification information through the communication interface, determines which elements of the travel-related content are to be separately displayed on each particular low-cost display unit of a plurality of low-cost display units, determines in what format the elements of the travel-related content are to be displayed on each particular low-cost display unit, formats the elements of the travel-related content for display on each particular low-cost display unit, and sends the formatted travel-related content to each particular low-cost display unit through the communication interface for display, wherein: the elements of the travel-related content include at least one of arrival information, departure information, subway schedules, terminal maps, station maps, location maps, advertisements, paging information, emergency information, current time and date information, and weather information, in formatting the elements of travel-related data content, the display content management unit determines where on a screen of each particular low-cost display unit individual elements of the travel-related content are to be displayed, and the plurality of low-cost display units have integrated processors and are not liquid-crystal displays (LCDs) or plasma displays, wherein two or more of the plurality of low-cost display units are grouped together as a display bank, and wherein the display content management unit configures the elements of the travel-related content to be different for each low-cost display unit in the display bank.