US Patent 11175026 Track electronic apparatus

A track electronic apparatus includes multiple converter heads, a converter body, a middle electrode and a function body. The multiple converter heads are respectively corresponding to multiple tracks. The converter body has a first end connecting to one selected converter head. The middle electrode is stored in the converter body. The middle electrode is detachably electrically connected to the head electrode. The function unit is fixed to the converter body. The function unit includes an electronic component connected to the external power source via the middle electrode and the head electrode.