Patent ID: 8881064

Claim:
A method of providing a user interface for controlling a system, including the acts of: observing a presence of a body or body part of a user in a certain environment of a device; making a perceptible part of the user interface available to the user in association with a particular functionality for interacting with the system controlled by the user interface in dependence on a rate of displacement of the body or body part of the user observed in the certain environment; hiding remaining parts of the user interface, the remaining parts being parts other than the perceptible part made available to the user; and providing on the user interface one control selected from at least one of a first control associated with a first action to control the device and a second control associated with a second action to control the device, wherein which one of the first control and second control being the selected control provided on the user interface depends on an approach speed of the body or the body part of the user such that when the approach speed is greater than a threshold value, then the second control is provided on the user interface, otherwise the first control is provided on the user interface, the first action responsive to activation of the first control provided on the user interface being different from the second action responsive to activation of the second control provided on the user interface, wherein the perceptible part of the user interface is caused to be made available to the user in a manner dependent on a location at which the body or body part of the user is observed to be present in the certain environment and the rate of displacement of the body or body part of the user.