摘要:
As a contactless identification tag is removed from a commercial product, a section to be detected is cut and separated from a removal detection circuit section composing the contactless identification tag and remains on the commercial product. When a detection section judges that the section to be detected is removed from the contactless identification tag, the contactless identification tag changes functions.
摘要:
A data communication system is provided comprising: a reader/writer device; and an identification tag that is capable of data communications with the reader/writer device, wherein: the reader/writer device has a first data communication section that is capable of data communications with the identification tag; the identification tag has a second data communication section that is capable of data communications with the reader/writer device, and a display section that is capable of displaying based on data received by the second data communication section, and the display section is capable of retaining a display content for a predetermined period of time in a state in which no drive voltage is applied; and a display retaining period of the display section is variable.