Technique and Steps for Against Information Deliver to Miniature Wireless Earphones

摘要

It is given in the paper that the derivation directly by electromagnetic field and force through analyzing the miniature wireless earphones' mechanism and working principle. It thinks that the rare earths steel is not only higher magnetic intensity, but also can gather availably the magnetic lines of force and drive the earphone phonation inactively like RFID (Radio Frequency Identification). There are 3 ways to keep away the practice fraud in lab. (1) The detectors check audio electromagnetic field; (2) The power audio-electromagnetic field jams all working systems of miniature wireless earphone or earplug in the room, and forces the user to stop practice fraud; (3) To interrupt the mobile phone and stop the communication by power jam the mobile phone and disturb its codes. It describes the two main ways how against cheat by audio and high frequency.