A method and device for changing input states of an electronic device, the device comprising an input portion and being capable of carrying out user operations, the input states comprising a locked state, where the use of the input portion is significantly restricted, and an unlocked state, where the...http://www.google.es/patents/US7414613?utm_source=gb-gplus-sharePatente US7414613 - Method for intermediate unlocking of a keypad on a mobile electronic device
Method for intermediate unlocking of a keypad on a mobile electronic device
