| 摘要 |
PROBLEM TO BE SOLVED: To provide a display device, a display method, and a display program that make it easy to update information stored in an RF tag even when radio communication to the RF tag contained in a device using a reader/writer is difficult due to a reason, such as the installation situation of the device.SOLUTION: A display device comprises: a detection unit for detecting an external tag; a verification unit for verifying information stored in the external tag detected by the detection unit; a sharing unit for sharing information stored in the external tag and an internal tag on the basis of a verification result verified by the verification unit; an internal tag communication unit for communicating with the internal tag to read information stored in the internal tag shared by the sharing unit; and an image display unit for displaying an image on the basis of information stored in the internal tag read by the internal tag communication unit.SELECTED DRAWING: Figure 7 |
