HANDHELD DEVICE HAVING A KEYPAD FOR SINGLE-HANDED OPERATION

摘要

An ergonomically designed handheld device for easy one-handed use is provide d. The device has a keypad that is shaped and positioned for easy operation by the thumb without requiring awkward or unnatural movement or requiring the user to hol d the device in a clumsy manner. Keys in the keypad are arranged in a pattern that conforms to the thumb's natural range of motion. The keypad is positioned on the device to be within easy reach of the thumb without requiring the user to stretch the thumb or adjust his or her grip. Inputs are placed for easy reach by any finger of the hand holding the device. The device may include a rotatable keypad; a keypad may be disposed on an inclined surface.