Patent ID: 8315045

Claim:
A portable electronic device, comprising: a housing having a first surface and two opposite second surfaces extending from two opposite edges of the first surface, a receiving recess defined in one end of the first surface and extending through the two second surfaces, and a display mounted on another end of the first surface, the receiving recess having a resisting member formed in a bottom center of the receiving recess; a keypad slidably received in the receiving recess and coplanar with a top of the display, the keypad comprising a plurality of keys arranged on a top surface thereof and exposed from the receiving recess, and defining a first receiving cavity, a second receiving cavity, and a third receiving cavities on an opposite bottom surface arranged in a line, the first, second and third receiving cavities receivable with the resisting member respectively; wherein when the resisting member is received in the second receiving cavity, the keypad is completely received in the receiving recess, and two opposite sides of the keypad are respectively coplanar with the second surfaces; when the keypad is pushed toward one of the second surfaces and extends out of one of the second surfaces for exposing one part of the receiving recess, the resisting member is received in one of the first receiving cavity and the third receiving cavity.