Patent ID: 9063644
Filing Date: 2015-06-23
Classification: G06F

Abstract:
1. A computer-implemented method for receiving user input to a touchscreen interface, the method comprising: providing a representation of a device comprising a virtual knob on the touchscreen interface for adjusting a parameter associated with the virtual knob, the virtual knob occupying a first graphical area on the touchscreen interface; detecting a selection of the virtual knob; in response to detecting the selection of the virtual knob, displaying an annular input icon around the virtual knob, the annular input icon occupying a second graphical area on the touchscreen interface having a larger area than the first graphical area of the virtual knob; detecting a user input corresponding motion around the annular input icon; and adjusting the parameter associated with the virtual knob of the device and concurrently rotating a representation of the virtual knob according to the user input corresponding motion around the annular input icon.