| 摘要 |
A low-cost display unit that displays wayfinding information to a traveler in a public travel-related area is disclosed and may include a communication interface that facilitates receiving of travel-related information, a machine-readable marking reader that determines the presence of a travel document having one or more machine readable markings, scans the one or more machine-readable markings, and decodes the scanned one or more machine-readable markings, wherein the one or more machine-readable markings contain encoded traveled-related information pertaining to the traveler; and a display control unit that receives the decoded one or more machine-readable marking, determines the traveler's destination in the public travel-related area from the decoded one or more machine-readable markings, determines the path that the traveler should travel to reach the destination, and displays the determined path to the traveler on the low-cost display unit. |
