IMPROVED KEY-BASED NAVIGATION FACILITIES Russian patent published in 2010 - IPC G06F3/01 G06F3/48 G09G5/32 G01C21/00 

FIELD: information technologies.

SUBSTANCE: navigation may be executed with preservation of perspective and context in relation to large volume of content. Navigation may be executed on the basis of keys, so that one or several keys of key panel may be used to view, increase scale and/or reduce scale of content. According to one aspect, content may be segmented into any number of subsectors or segments, so that each segment may comply with a certain numerical key, owing to that specific sections of content may be observed with higher or lower extent of detail, pressing or transiently pressing according numerical key. Besides when viewing the first fragment of content, it is possible to quickly change over to the nearest content, pressing and holding according key. After release of keys, the view returns to the first fragment.

EFFECT: facilitation of navigation and viewing large information spaces at relatively small portable devices.

42 cl, 38 dwg