Patent ID: 8560965
Filing Date: 2013-10-15
Classification: G06F

Abstract:
1. A display device comprising: a display unit including a first portion and a second portion; a storing unit configured to store a plurality of screen images, a plurality of title strings, a plurality of reverse-transition screen images, and correspondence data indicating a relationship among each of the plurality of screen images, one of the plurality of title strings, and one of the plurality of reverse-transition screen images, the plurality of screen images including a base screen image, a first screen image currently displayed on the first portion, and a second screen image of a lower hierarchical level than the first screen image displayed on the first portion, the plurality of screen images being arranged hierarchically from the base screen image along a screen navigation path starting from the base screen image, the reverse-transition screen image being higher hierarchical level than the first screen image, the plurality of reverse-transition screen images including a first reverse-transition screen image of a first hierarchical level higher than the first screen image; and a processor configured to: display the first screen image on the first portion; display the second screen image on the first portion instead of the first screen image currently displayed on the first portion as an updated first screen image when the first screen image is displayed on the first portion and a user performs a prescribed selection; display on the first portion the first reverse-transition screen image corresponding to the first screen image displayed on the first portion instead of the first screen image currently displayed on the first portion as the updated first screen image based on the correspondence data stored in the storing unit when the first screen image is displayed on the first portion and the user performs a first reverse operation; displays a navigation string on the second portion based on screen navigation data when the first screen image is displayed on the first portion, the screen navigation data indicating relationships between the screen images, the navigation string including one of the title strings corresponding to one of the screen images when the one of the screen images is positioned in a part of the screen navigation path from the base screen image to the first screen image, wherein the navigation string includes the plurality of title strings corresponding to a plurality of screen images respectively when the plurality of screen images are positioned in a part of the screen navigation path from the base screen image to the first screen image, the plurality of title strings being arranged in hierarchical level order; and attach a single mark to one of the title strings corresponding to the first reverse-transition screen image of the first screen image based on the correspondence data stored in the storing unit in order to distinguish the title string attached with the mark from the other title strings.