发明授权
US08310449B1 Touch interface device, system, and method 有权
触摸界面设备,系统和方法

Touch interface device, system, and method
摘要:
A touch interface that includes a plurality of push-buttons, each of which has a first stage portion and a second stage portion. A display screen displays a plurality of display items each of which is associated with a corresponding one of the push-buttons. Activation of the first stage portion of one of the push-buttons causes the corresponding display item on the screen to highlight thereby indicating to the user that the push-button associated with that display item is being pressed, without launching a function associated with the display item. This allows the user to determine whether or not he is pressing the correct push-button prior to activating a function without taking his eyes off of the display screen. If the user is satisfied that he is contacting the correct push-button, the user can then activate the second stage portion and thereby launch the function.
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