Patent attributes
An USB application device includes a housing having a received room therein and a front opening connected to the received room, a PCB having opposite a rear end portion completely received in the receiving room and a front end portion completely extended outside the housing from the front opening and opposite a top surface and a bottom surface, contacts disposed on the top surface of the front end portion of the PCB and exposed outside of the housing, a shell engaged with the housing and completely covers the front end portion of the PCB and the contacts, and a protection element received in the shell and covering the bottom surface of the front end portion of the PCB. The contacts are exposed outside the protection element. The shell is made of metal material for improving ESD protection in order to comply with the USB standard specification.
