Information display system

Details Information display system Information display system

G - Physics

06

F

375/4

G06F 3/037 (2006.01) G06F 3/033 (2006.01)

Patent

CA 1225475

17 ABSTRACT "DISPLAY SYSTEM WITH NESTED INFORMATION DISPLAY" An information display system which can produce an information display (e.g. on a television monitor) from any one of a plurality of different information sources. The information sources are associated with different facilities such as teletext and viewdata. For obtaining information from a particular information source the associated facility option is selected. This selection is made from the available facility options by selecting from the television screen "nested" areas which pertain to one or more facility options. The selection can be effected using a touch-sensitive screen which overlies the television screen. The selection process can involve the display of a number of successive display frames containing "nested" areas, the selection of an area in one frame causing the display of a fresh display frame which re-defines areas which are nested within the selected area. See Figures (1) and (2).

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