Methods, apparatus and systems for reading recorded information stored in RFID tags

摘要

A viewer qualification is stored in an RFID tag of a reader operator who is a user of the tag information reader and a viewer qualification range defined for each piece of article information depending on confidentiality of the article is stored in the article tag along with multiple pieces of article information. The wireless communication part in the tag information reader obtains the viewer qualification from the tag of the user, obtains the multiple pieces of article information and the viewer qualification range from the article tag, and stores them in a storage area. The information extracting part extracts the article information a viewer qualification range of which covers the viewer qualification from the storage area, and passes it to a display part for displaying it.