Patent ID: 8780051

Claim:
A keypad for a portable electronic device comprising: a plurality of keys, at least some of the plurality of keys having a ridge that extends upwardly from a top surface of the key; wherein each ridge extends between a lower edge of the key and an upper edge of the key and is curved therebetween, and each ridge is offset from a midline of each key; wherein at least some of the keys have a first concave dip adjacent the ridge, the first concave dip operable to assist a finger or thumb to securely engage that particular key; and wherein at least some of the keys have a convex rise adjacent the first dip, a second dip adjacent each rise generally on the side of the key opposite the ridge, and a chamfered edge on the opposite side of the ridge from the first dip, each chamfered edge cooperating with the second dip from an adjacent key to create extra space between two adjacent keys and further assist in distinguishing between adjacent keys.