Patent ID: 8099526

Claim:
A portable electronic device comprising: a processor provided in a housing, said processor for switching said portable electronic device from a normal operating mode to a device lock mode that still permits an emergency call to be placed without disabling the device lock mode; a first input device and a second input device in communication with said processor, said first input device and said second input device being provided in said housing on opposing sides of said portable electronic device, said first input device and said second input device intersecting an activation axis and being actuable toward one another along said activation axis, said activation axis being aligned with the shortest distance between said first input device and said second input device; wherein actuation of said first input device within a maximum delay of actuation of said second input device enables said device lock mode, wherein actuation of said first input device within said maximum delay of actuation of said second input device enables said normal operating mode when said portable electronic device is operating in said device lock mode, and wherein at least one of said first input device and said second input device is a capacitive touch sensors.