Patent ID: 9300127
Filing Date: 2016-03-29
CPC Classification: H02H

Claim Text:
1. An interface unit to connect a first electronic product and a second electronic product to each other, the interface unit comprising: a first interface device being connectable with the first electronic product; a second interface device being connectable with the second electronic product and connected with the first interface device through a VCC line and a ground line; a ground overcurrent interrupter installed on the ground line between grounds of the first interface device and the second interface device, the ground overcurrent interrupter preventing overcurrent resulting from a ground voltage difference between the first interface device and the second interface device by interrupting overcurrent flowing in the ground line; and an overvoltage protector installed on the VCC line between VCCs of the first interface device and the second interface device, the overvoltage protector keeping a voltage applied to the VCC line at a predetermined reference level or less.