Patent ID: 9557894
Date: 2017-01-31
CPC Classifications: G06F

Claim:
1. A display system having a state being one of a window selection mode for selecting one of a plurality of display windows defined on a screen panel and a function selection mode for selecting one of a plurality of button images displayed on the one of the plurality of display windows that is selected in the window selection mode, each one of the plurality of button images being linked to a corresponding predetermined function, the display system comprising: an input device including an input panel that is arranged apart from the screen panel, the input device defining a plurality of input regions on the input panel in the window selection mode, an arrangement of the plurality of input regions corresponding to an arrangement of the plurality of display windows defined on the screen panel; a switch device, based on a manipulation made by a user on one of the plurality of input regions in the window selection mode, the switch device: a region enlarging device, when the state of the display system is switched from the window selection mode to the function selection mode by the switch device, defining an enlarged input region on the input panel by enlarging a size of the selected input region while maintaining a relative positional arrangement correspondence between the plurality of display windows and the plurality of input regions, each of the plurality of display windows corresponding to one of the plurality of input regions of the input device after the size of the selected input region is enlarged, the enlarged input region receiving a manipulation made by the user for selecting a specific one of the plurality of button images included in the selected display window in the function selection mode, wherein the region enlarging device defines the enlarged input region on the input panel in response to the manipulation made by the user on the one of the plurality of input regions regardless of a size of the selected display window.