Improved approaches are disclosed for processing overloaded keys substantially more in accordance with user's expected behavior. With the improved approaches, users are less likely to undergo unexpected processing in response to overloaded key presses. In one embodiment, the processing ignores certain...http://www.google.co.uk/patents/US6907273?utm_source=gb-gplus-sharePatent US6907273 - Method and system for processing overloaded keys of a mobile device
