PASSIVE ELECTRONIC TAG, AND METHOD, APPARATUS AND SYSTEM FOR CONTROLLING PASSIVE ELECTRONIC TAG

摘要

A passive electronic tag, and a method, apparatus and system for controlling the passive electronic tag. The passive electronic tag comprises: a tag card board (10) and a conducting wire (20). The tag card board (10) comprises: a tag circuit (11), an antenna (12) and a light-emitting element (13). The tag circuit (11) is configured to control a passive electronic tag to execute a control instruction. The control instruction comprises: a query instruction obtained by means of the tag circuit (11) interacting with a tag reader-writer via the antenna (12), and a selection instruction or an instruction for controlling the brightness and darkness of the light-emitting element (13). The antenna (12) and the light-emitting element (13) are respectively connected to the tag circuit (11). The conducting wire (20) is connected to the tag circuit (11). The conducting wire (20) is configured to receive energy transmitted by the tag reader-writer.