Patent ID: 9342102
Filing Date: 2016-05-17
CPC Classification: A45C,G06F,H01H,H04B,H05K

Claim Text:
1. A case for a portable device provided with a screen and a sensor, wherein the sensor is configured to sense a magnetic field, and the screen is configured to be turned on or off depending on the sensed magnetic field, the case comprising: a cover portion configured to cover the screen of the portable device, and foldable to a back surface of the portable device; a magnet part incorporated in the cover portion at a location corresponding to the sensor of the portable device; and wherein the magnet part has a double layer structure comprising a main magnet and a magnetic field shielding layer, the main magnet comes into contact with the screen of the portable device when the cover portion covers the screen of the portable device, and the magnetic field shielding layer is attached on the main magnet and comes into contact with the back surface of the portable device when the cover portion is folded to the back surface of the portable device, the magnetic field shielding layer is configured to prevent the screen from being turned off by a magnetic field from the magnet part when the cover portion is folded to the back surface of the portable device by cancelling out the magnetic field with a strength lower than a predetermined strength applied from the main magnet.