首页>
外国专利>
Keypad for mobile phones characterised that the commonly used alpha-numeric keys are ergonomically placed within the reach of a thumb whereupon the operation of the keypad is able to fully controlled by a single thumb
Keypad for mobile phones characterised that the commonly used alpha-numeric keys are ergonomically placed within the reach of a thumb whereupon the operation of the keypad is able to fully controlled by a single thumb
An ergonomically angled keypad for use with an opposable thumb suitable for communication devices such as cellular phones. The keypad is preferably located above a display screen.
展开▼