Patent ID: 9232090
Filing Date: 2016-01-05
CPC Classification: H04N

Claim Text:
1. An electronic apparatus, comprising: a display unit; a memory unit configured to store relation information to relate selectable items to be selected by a user in a layered tree structure; and a display control unit configured to perform a first step and a second step; wherein the first step causes the display unit to display a first window in which selectable items in a layer is displayed so as to enable the user to select one of the selectable items; and the second step is performed if one of the selectable items is selected in the first window; wherein the second step causes the display unit to display a second window in which selectable items are displayed so as to enable the user to select one of the selectable items in the second window while the selectable items are displayed in the first window so as to enable the user to select one of the selectable items in the first window also; the selectable items displayed in the second window are related with the selected selectable item in the first window and are located in a layer lower than the layer of the selected selectable item in the first window by one layer in the relation information; wherein the display control unit is further configured to perform a third step if one of the selectable items is selected in the second window; the third step causing the display unit to display a third window in which selectable items are displayed so as to enable the user to select one of the selectable items in the third window while the selectable items are displayed in the first and second windows so as to enable the user to select one of the selectable items in the first window and the second window also; the selectable items displayed in the third window are related with the selected selectable item in the second window and is located in a layer lower than the layer of the selected selectable item in the second window by one layer in the relation information; the display control unit is further configured to perform a fourth step changing and displaying the selectable items displayed in the third window after changing and displaying the selectable items displayed in the second window, if one of the selectable items is newly selected in the first window while the first window, the second window and the third window are displayed; and the fourth step (a) changes the selectable items displayed in the second window to selectable items that are related with the newly selected selectable item in the first window and are located in a layer lower than the layer of the newly selected selectable item in the first window by one layer in the relation information, and (b) changes the selectable items displayed in the third window to selectable items that are related with a predetermined one of the selectable items displayed in the second window and are located in a layer lower than the layer of the predetermined selectable item in the second window by one layer in the relation information.