US Patent 9383835 Multi-functional touch pen

The disclosure provides a stylus comprising a first barrel, a second barrel, a first electromagnetic touch module and a capacitive touch module. The first electromagnetic touch module is disposed inside the first barrel. The second barrel is detachably sleeved to the outside of the first barrel and is of metallic material. When the first barrel is located inside the second barrel, the second barrel wraps the first barrel and the first electromagnetic touch module is shielded by the second barrel made of metal. When the second barrel and the first barrel are interlaced, the first electromagnetic touch module is exposed outside the second barrel. In addition, the second barrel has a capacitive touch end. The capacitive touch module is disposed corresponding to the capacitive touch end and has an electrical connection portion capable of being electrically connected to the capacitive touch end of the second barrel.