Patent ID: 7661732

Claim:
A portable electronic device comprising: a body section; a cover section rotatably connecting to the body section; and a switch assembly comprising: a first magnetic component mounted on the cover section; a second magnetic component mounted on the body section, and attracting to the first magnetic component to maintain the portable electronic device in a closed position; a pressing section movably mounted to the body section, the pressing section comprising a button exposed from the body section, and a beam extending towards the first and second magnetic components and defining a receiving groove therein; an elastic member configured to provide a rebounding force to the pressing section; and a movable magnetic component received in the receiving groove, and repelling both the first and second magnetic components, the movable magnetic component being configured to provide a repulsive force to repel the cover to rotate outwards from the body section when the movable magnetic component is driven to move close to the first and second magnetic components.